Method, device, electronic equipment and medium for determining environmental factors of NOx model

Abstract

The present invention discloses a method, device, electronic device and medium for determining the environmental factors of a NOx model. By calibrating standard environmental area points, high temperature environmental area points, plateau environmental area points, plateau high-cold environmental area points and high-cold environmental area points, multiple working areas are determined with the standard environmental area points, high temperature environmental area points, plateau environmental area points, plateau high-cold environmental area points and high-cold environmental area points as dividing points; the current environmental temperature and the current environmental pressure are obtained, and the target working area is determined; the reference environmental correction factor is determined based on the target working area, and the environmental factor correction coefficient of the NOx model is calculated according to the reference environmental correction factor. The problem that the NOx emission of the engine is greatly affected by environmental factors such as altitude and temperature during actual operation is solved, and the beneficial effect of correcting the NOx model and improving the accuracy of the NOx model is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of NOx model correction, and in particular to a method, device, electronic equipment and medium for determining an environmental factor of a NOx model. Background Art

[0002] In order to meet higher emission standards, the engine aftertreatment system injects urea according to the NOx (nitrogen oxides) emissions generated by engine combustion to reduce NOx pollution to the environment. Studies have shown that during actual engine operation, NOx emissions are greatly affected by environmental factors such as altitude and temperature. Currently, NOx emissions are generally estimated by establishing a NOx model. Therefore, environmental factors are crucial to the correction of the NOx model. Summary of the invention

[0003] The present invention provides a method, device, electronic equipment and medium for determining environmental factors of a NOx model, so as to solve the problem that the NOx emission of an engine during actual operation is greatly affected by environmental factors such as altitude and temperature.

[0004] According to one aspect of the present invention, a method for determining an environmental factor of a NOx model is provided, the method comprising:

[0005] According to the ambient temperature and ambient pressure, the standard environment area point, high temperature environment area point, plateau environment area point, plateau high-cold environment area point and high-cold environment area point are calibrated respectively;

[0006] Determine a plurality of working areas by using the standard environment area point, the high temperature environment area point, the plateau environment area point, the plateau high-cold environment area point and the high-cold environment area point as dividing points;

[0007] Acquire the current ambient temperature and the current ambient pressure, and determine the target working area according to the current ambient temperature and the current ambient pressure;

[0008] A reference environment correction factor is determined based on the target working area, and an environmental factor correction coefficient of the NOx model is calculated according to the reference environment correction factor.

[0009] Optionally, the standard environment area point, the high temperature environment area point, the plateau environment area point, the plateau high-cold environment area point and the high-cold environment area point are used as dividing points to determine multiple working areas, including:

[0010] A first working area is determined based on the standard environmental area point and the high temperature environmental area point, a second working area is determined based on the high temperature environmental area point, a third working area is determined based on the high temperature environmental area point and the plateau environmental area point, a fourth working area is determined based on the high temperature environmental area point, a fifth working area is determined based on the plateau environmental area point and the plateau high-cold environmental area point, a sixth working area is determined based on the high temperature environmental area point, a seventh working area is determined based on the plateau high-cold environmental area point and the high-cold environmental area point, an eighth working area is determined based on the high temperature environmental area point, a ninth working area is determined based on the standard environmental area point and the high-cold environmental area point, a tenth working area is determined based on the standard environmental area point, the plateau high-cold environmental area point and the high-cold environmental area point, an eleventh working area is determined based on the standard environmental area point, the plateau environmental area point and the plateau high-cold environmental area point, and a twelfth working area is determined based on the standard environmental area point, the high temperature environmental area point and the plateau environmental area point.

[0011] Optionally, the target working area is the first working area or the ninth working area;

[0012] Determining a baseline environmental correction factor based on the target working area, and calculating an environmental factor correction coefficient of a NOx model according to the baseline environmental correction factor, including:

[0013] Determine a first reference environment correction factor based on the temperature parameter corresponding to the first working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the first reference environment correction factor; or,

[0014] A ninth reference environmental correction factor is determined based on the temperature parameter corresponding to the ninth working area, and an environmental factor correction coefficient corresponding to the NOx model is calculated according to the ninth reference environmental correction factor.

[0015] Optionally, the target working area is the second working area, the fourth working area, the sixth working area or the eighth working area;

[0016] Determining a baseline environmental correction factor based on the target working area, and calculating an environmental factor correction coefficient of a NOx model according to the baseline environmental correction factor, including:

[0017] Determine a second reference environment correction factor based on the modified MAP corresponding to the second working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the second reference environment correction factor; or,

[0018] Determine a fourth reference environment correction factor based on the modified MAP corresponding to the fourth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the fourth reference environment correction factor; or,

[0019] Determine a sixth reference environment correction factor based on the modified MAP corresponding to the sixth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the sixth reference environment correction factor; or,

[0020] An eighth reference environment correction factor is determined based on the modified MAP corresponding to the eighth working area, and an environmental factor correction coefficient corresponding to the NOx model is calculated according to the eighth reference environment correction factor.

[0021] Optionally, the target working area is the third working area, the fifth working area, or the seventh working area;

[0022] Determining a baseline environmental correction factor based on the target working area, and calculating an environmental factor correction coefficient of a NOx model according to the baseline environmental correction factor, including:

[0023] Determine a third reference environment correction factor based on the temperature parameter and the pressure parameter corresponding to the third working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the third reference environment correction factor; or,

[0024] Determine a fifth reference environment correction factor based on the temperature parameter and the pressure parameter corresponding to the fifth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the fifth reference environment correction factor; or,

[0025] A seventh reference environmental correction factor is determined based on the temperature parameter and the pressure parameter corresponding to the seventh working area, and an environmental factor correction coefficient corresponding to the NOx model is calculated according to the seventh reference environmental correction factor.

[0026] Optionally, the target working area is the tenth working area, the eleventh working area, or the twelfth working area;

[0027] Determining a baseline environmental correction factor based on the target working area, and calculating an environmental factor correction coefficient of a NOx model according to the baseline environmental correction factor, including:

[0028] Determine a tenth reference environmental correction factor based on the temperature parameter and the pressure parameter corresponding to the tenth working area, and calculate the environmental factor correction coefficient corresponding to the NOx model according to the tenth reference environmental correction factor; or,

[0029] Determine an eleventh reference environment correction factor based on the temperature parameter and the pressure parameter corresponding to the eleventh working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the eleventh reference environment correction factor; or,

[0030] A twelfth reference environment correction factor is determined based on the temperature parameter and the pressure parameter corresponding to the twelfth working area, and an environmental factor correction coefficient corresponding to the NOx model is calculated according to the twelfth reference environment correction factor.

[0031] Optionally, the method for determining the environmental factor of the NOx model further includes:

[0032] A NOx model value of the NOx model is determined according to the original NOx value and the environmental factor correction coefficient.

[0033] According to another aspect of the present invention, there is provided a device for determining an environmental factor of a NOx model, the device for determining an environmental factor of a NOx model comprising:

[0034] An environmental area point determination module is used to calibrate standard environmental area points, high temperature environmental area points, plateau environmental area points, plateau high-cold environmental area points and high-cold environmental area points according to environmental temperature and environmental pressure;

[0035] A working area determination module, used to determine a plurality of working areas by taking the standard environment area point, the high temperature environment area point, the plateau environment area point, the plateau high-cold environment area point and the high-cold environment area point as dividing points;

[0036] A target working area determination module, used to obtain the current ambient temperature and the current ambient pressure, and determine the target working area according to the current ambient temperature and the current ambient pressure;

[0037] The environmental factor correction coefficient determination module is used to determine the baseline environmental correction factor based on the target working area, and calculate the environmental factor correction coefficient of the NOx model according to the baseline environmental correction factor.

[0038] According to another aspect of the present invention, there is provided an electronic device, the electronic device comprising:

[0039] at least one processor; and

[0040] a memory communicatively connected to the at least one processor; wherein,

[0041] The memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor so that the at least one processor can execute the environmental factor determination method of the NOx model described in any embodiment of the present invention.

[0042] According to another aspect of the present invention, a computer-readable storage medium is provided, wherein the computer-readable storage medium stores computer instructions for enabling a processor to implement the environmental factor determination method of the NOx model described in any embodiment of the present invention when the computer instructions are executed.

[0043] The technical solution of the embodiment of the present invention is to calibrate the standard environment area point, high temperature environment area point, plateau environment area point, plateau high-cold environment area point and high-cold environment area point according to the environment temperature and environment pressure respectively; determine multiple working areas with the standard environment area point, the high temperature environment area point, the plateau environment area point, the plateau high-cold environment area point and the high-cold environment area point as the dividing points; obtain the current environment temperature and the current environment pressure, and determine the target working area according to the current environment temperature and the current environment pressure; determine the reference environment correction factor based on the target working area, and calculate the environmental factor correction coefficient of the NOx model according to the reference environment correction factor. The problem that the NOx emission of the engine is greatly affected by environmental factors such as altitude and temperature during actual operation is solved, and the beneficial effect of correcting the NOx model and improving the accuracy of the NOx model is achieved.

[0044] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present invention, nor are they intended to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0046] Figure 1 is a flow chart of a method for determining an environmental factor of a NOx model provided in accordance with Embodiment 1 of the present invention;

[0047] Figure 2 is a schematic diagram of dividing multiple working areas provided according to the first embodiment of the present invention;

[0048] Figure 3It is a schematic diagram of the principle of correcting the original NOx model according to the first embodiment of the present invention;

[0049] Figure 4 is a flow chart of a method for determining environmental factors of a NOx model provided in accordance with Embodiment 2 of the present invention;

[0050] Figure 5 2 is a schematic diagram of the structure of an environmental factor determination device for a NOx model according to Embodiment 3 of the present invention;

[0051] Figure 6 It is a schematic diagram of the structure of an electronic device for implementing the environmental factor determination method of the NOx model according to an embodiment of the present invention. DETAILED DESCRIPTION

[0052] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only embodiments of a part of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0053] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0054] Embodiment 1

[0055] Figure 1 A flowchart of a method for determining an environmental factor of a NOx model is provided for the first embodiment of the present invention. This embodiment is applicable to the case where the original NOx model is accurately corrected by determining an environmental correction factor. The method for determining an environmental factor of a NOx model can be executed by an environmental factor determination device for a NOx model. The environmental factor determination device for a NOx model can be implemented in the form of hardware and / or software. The environmental factor determination device for a NOx model can be configured in the corresponding electronic equipment of an engine environment test chamber. Figure 1As shown, the environmental factor determination method of the NOx model includes:

[0056] S110, calibrating the standard environment area point, the high temperature environment area point, the plateau environment area point, the plateau high-cold environment area point and the high-cold environment area point respectively according to the environment temperature and the environment pressure.

[0057] Among them, the standard environment area points, high temperature environment area points, plateau environment area points, plateau high-cold environment area points and high-cold environment area points can be calibrated respectively according to the ambient temperature and ambient pressure. The calibrated standard environment area points, high temperature environment area points, plateau environment area points, plateau high-cold environment area points and high-cold environment area points can respectively determine the corresponding Base_MAP, Heat_MAP, Altitude_MAP, ColdAlti_MAP and Cold_MAP. The specific corresponding relationship is shown in Table 1 below.

[0058] Table 1

[0059]

[0060] Referring to Table 1, the standard environment area point P1 is determined by a standard environment temperature parameter tNom_mp and a standard environment pressure parameter pNom_C.

[0061] It can be understood that, since the standard ambient temperature parameter tNom_mp represents a temperature range from A to B, the standard ambient temperature parameter tNom_mp is a temperature region rather than a simple point.

[0062] The calibration of Base_MAP corresponding to the standard environment area point P1 is a point determined within the temperature range represented by the standard environment temperature parameter tNom_mp and the pressure range represented by the standard environment pressure parameter pNom_C, and this embodiment does not impose any limitation on this.

[0063] Exemplarily, the standard ambient temperature parameter tNom_mp represents the temperature range of A to B, wherein A and B are calibration quantities, for example, A=0°C and B=35°C can be calibrated. If the ambient temperature is lower than 0°C, the standard ambient temperature parameter tNom_mp=0°C. If the ambient temperature is higher than 35°C, the standard ambient temperature parameter tNom_mp=35°C. If the ambient temperature is between A and B, the ambient temperature value at this time is directly output, for example, the standard ambient temperature parameter tNom_mp=25°C.

[0064] Furthermore, taking the standard ambient temperature parameter tNom_mp=25°C as an example, Base_MAP is calibrated at the standard temperature of 25°C. After Base_MAP is calibrated at 25°C, the standard environment with ambient temperature between A and B shall refer to Base_MAP for NOx emissions.

[0065] The high temperature environment area point P2 is jointly determined by the high temperature environment pressure parameter pNom_C (consistent with the standard environment pressure parameter pNom_C) and the high temperature environment temperature parameter tHeat_C. The high temperature environment pressure parameter pNom_C and the high temperature environment temperature parameter tHeat_C are respectively obtained by calibration. The environment point of the calibrated Heat_MAP is called the high temperature environment area point P2 (pNom_CtHeat_C).

[0066] For example, the high temperature environment pressure parameter pNom_C is calibrated to 1000hpa, and the high temperature environment temperature parameter tHeat_C is calibrated to 50°C, then Heat_MAP is the ratio of the actual NOx production under the environmental conditions to Base_MAP. Wherein, Base_MAP refers to the original NOx model value calibrated under the above standard environment. For example, at a certain operating point of the engine, Base_MAP = 500ppm, and at the same operating point of 1000hpa / 50°C, it is 600ppm, then the Heat_MAP value at this point is 1.2.

[0067] The plateau environmental area point P3 is jointly determined by the plateau environmental pressure parameter pAlti_C and the plateau environmental temperature parameter tNom_mp (consistent with the standard environmental temperature parameter tNom_mp). The environmental point for calibrating Altitude_MAP is called the plateau environmental area point P3 (pAlti_C tNom_mp).

[0068] Exemplarily, the plateau environmental pressure parameter pAlti_C is calibrated to 650hPa, and the plateau environmental temperature parameter tNom_mp is an uncalibrated variable. For example, the plateau environmental temperature parameter tNom_mp=25°C can be selected. Since Base_MAP is calibrated at the standard temperature of 25°C, if the temperature is difficult to control during the specific calibration, a similar temperature can be selected, which will not have a significant impact on the result.

[0069] The plateau alpine environment regional point P4 is determined by the plateau alpine environment pressure parameter pColdAlti_C and the plateau alpine environment temperature parameter tColdAlti_C. The environmental point for calibrating ColdAlti_MAP is called the plateau alpine environment regional point P4 (pColdAlti_C tColdAlti_C).

[0070] Exemplarily, the plateau high-cold environment pressure parameter pColdAlti_C is calibrated to 800hpa, and the plateau high-cold environment temperature parameter tColdAlti_C is calibrated to -10°C. Here, the calibration of the plateau high-cold environment pressure parameter pColdAlti_C and the plateau high-cold environment temperature parameter tColdAlti_C is within the range of the plateau environment pressure parameter pAlti_C and the high-cold environment temperature parameter tCold_C.

[0071] The high-cold environment area point P5 is determined by the high-cold environment pressure parameter pNom_C (consistent with the high-temperature environment pressure parameter pNom_C and the standard environment pressure parameter pNom_C) and the high-cold environment temperature parameter tCold_C. The environment point where Cold_MAP is calibrated is called the high-cold environment area point P5 (pNom_C tCold_C). Exemplarily, the high-cold environment temperature parameter tCold_C is calibrated to be -30°C.

[0072] S120, determining a plurality of working areas by using the standard environment area point, the high temperature environment area point, the plateau environment area point, the plateau high-cold environment area point and the high-cold environment area point as dividing points.

[0073] Among them, a first working area is determined based on the standard environment area point and the high temperature environment area point, a second working area is determined based on the high temperature environment area point, a third working area is determined based on the high temperature environment area point and the plateau environment area point, a fourth working area is determined based on the high temperature environment area point, a fifth working area is determined based on the plateau environment area point and the plateau high-cold environment area point, a sixth working area is determined based on the high temperature environment area point, a seventh working area is determined based on the plateau high-cold environment area point and the high-cold environment area point, an eighth working area is determined based on the high temperature environment area point, a ninth working area is determined based on the standard environment area point and the high-cold environment area point, a tenth working area is determined based on the standard environment area point, the plateau high-cold environment area point and the high-cold environment area point, an eleventh working area is determined based on the standard environment area point, the plateau environment area point and the plateau high-cold environment area point, and a twelfth working area is determined based on the standard environment area point, the high temperature environment area point and the plateau environment area point.

[0074] On the basis of the above, Figure 2 A schematic diagram of dividing multiple working areas according to the first embodiment of the present invention,

[0075] Twelve working areas are delineated within the entire environmental range of ambient temperature and ambient pressure, and the dividing points of the working areas are the above-mentioned standard environment area point P1, high temperature environment area point P2, plateau environment area point P3, plateau high-cold environment area point P4 and high-cold environment area point P5.

[0076] Specifically, Figure 2 As shown, the line connecting the high temperature environment area point P2 and the plateau environment area point P3 is line1, the plateau environment area point P3 and the plateau high-cold environment area point P4 is line2, the standard environment area point P1 and the plateau high-cold environment area point P4 is line3, and the plateau high-cold environment area point P4 and the high-cold environment area point P5 are line4. The dotted lines in the figure form a right angle distribution with the above-mentioned similar lines.

[0077] For example, see Figure 2 Region 1 (i.e., the first working region) is an area where the ambient pressure is greater than the standard ambient pressure parameter pNom_C and the ambient temperature is higher than the standard ambient temperature parameter tNom_mp. According to the above calibration example, this refers to a point greater than 1000hpa and higher than 35°C; Region 12 (i.e., the twelfth working region) refers to a point where the ambient pressure is between the plateau ambient pressure parameter pAlti_C and the standard ambient pressure parameter pNom_C, and the ambient temperature is below line1 (wherein, there is a fixed mathematical relationship between pressure and temperature in line1, and whether it is within line1 can be determined based on specific environmental conditions). Other areas are similar, and the range of each area is determined based on the defined parameters.

[0078] S130: Acquire the current ambient temperature and the current ambient pressure, and determine the target working area according to the current ambient temperature and the current ambient pressure.

[0079] Among them, the current ambient temperature EnvT_t represents the real-time ambient temperature, which can be obtained by the ambient temperature sensor on the engine, and the current ambient pressure EnvP_p represents the real-time ambient pressure, which can be obtained by the ambient pressure sensor on the engine.

[0080] Specifically, according to the current ambient temperature EnvT_t and the current ambient pressure EnvP_p, it is determined that the target working area is one of the first working area to the twelfth working area.

[0081] S140, determining a baseline environmental correction factor based on the target working area, and calculating an environmental factor correction coefficient of a NOx model according to the baseline environmental correction factor.

[0082] In this embodiment, combined with Table 1, the reference environment correction factor Fac can be calculated by the following formula:

[0083] Fac=Fac_0*1+Fac_1*Heat_MAP+Fac_2*Altitude_MAP+Fac_3*ColdAlti_MAP+Fac_4*Cold_MAP

[0084] Among them, Fac_0 to Fac_4 represent the correction factors of each environmental area point in Table 1 respectively, and Fac_0 to Fac_4 are obtained by calculation; Heat_MAP, Altitude_MAP, ColdAlti_MAP, Cold_MAP, etc. represent four emission correction MAPs, and the input of the MAP is the engine speed and fuel injection amount (specifically, the speed and fuel injection amount determine the operating conditions of the engine). The MAP value is obtained by test calibration and outputs the actual correction value, which is specifically obtained by actual calibration under pre-defined environmental conditions.

[0085] Figure 3 FIG. 1 is a schematic diagram showing the principle of correcting the original NOx model according to the first embodiment of the present invention. Figure 3 As shown, in this embodiment, by building an environmental factor correction model, the original NOx model is accurately corrected (the original NOx model refers to the NOx estimated under a standard environment, specifically under 25°C and 1000hpa conditions).

[0086] It should be noted that the NOx model mentioned in this embodiment is composed of a steady-state NOx pulse and a transient model. The steady-state NOx pulse refers to the NOx emissions of the engine under standard conditions with determined engine combustion parameters and intake parameters. The specific value is obtained by calibration based on actual data.

[0087] The technical solution of the embodiment of the present invention is to calibrate the standard environment area point, high temperature environment area point, plateau environment area point, plateau high-cold environment area point and high-cold environment area point according to the environment temperature and environment pressure respectively; determine multiple working areas with the standard environment area point, the high temperature environment area point, the plateau environment area point, the plateau high-cold environment area point and the high-cold environment area point as the dividing points; obtain the current environment temperature and the current environment pressure, and determine the target working area according to the current environment temperature and the current environment pressure; determine the reference environment correction factor based on the target working area, and calculate the environmental factor correction coefficient of the NOx model according to the reference environment correction factor. The problem that the NOx emission of the engine is greatly affected by environmental factors such as altitude and temperature during actual operation is solved, and the beneficial effect of correcting the NOx model and improving the accuracy of the NOx model is achieved.

[0088] Embodiment 2

[0089] Figure 4This is a flow chart of a method for determining an environmental factor of a NOx model provided in the second embodiment of the present invention. Based on the above embodiment, the determination of the environmental factor correction coefficient is further limited. Figure 4 As shown, the environmental factor determination method of the NOx model includes:

[0090] S410, calibrating the standard environment area point, the high temperature environment area point, the plateau environment area point, the plateau high-cold environment area point and the high-cold environment area point respectively according to the environment temperature and the environment pressure.

[0091] S420, determine a first working area based on the standard environmental area point and the high temperature environmental area point, determine a second working area based on the high temperature environmental area point, determine a third working area based on the high temperature environmental area point and the plateau environmental area point, determine a fourth working area based on the high temperature environmental area point, determine a fifth working area based on the plateau environmental area point and the plateau high-cold environmental area point, determine a sixth working area based on the high temperature environmental area point, determine a seventh working area based on the plateau high-cold environmental area point and the high-cold environmental area point, determine an eighth working area based on the high temperature environmental area point, determine a ninth working area based on the standard environmental area point and the high-cold environmental area point, determine a tenth working area based on the standard environmental area point, the plateau high-cold environmental area point and the high-cold environmental area point, determine an eleventh working area based on the standard environmental area point, the plateau environmental area point and the plateau high-cold environmental area point, and determine a twelfth working area based on the standard environmental area point, the high temperature environmental area point and the plateau environmental area point.

[0092] S430: Acquire the current ambient temperature and the current ambient pressure, and determine the target working area according to the current ambient temperature and the current ambient pressure.

[0093] S440: The target working area is the first working area or the ninth working area.

[0094] S441: Determine a first reference environment correction factor based on the temperature parameter corresponding to the first working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the first reference environment correction factor; or determine a ninth reference environment correction factor based on the temperature parameter corresponding to the ninth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the ninth reference environment correction factor. Execute step S480.

[0095] Exemplarily, if the target working area is in area 1 (i.e., the first working area), in combination with Table 1, Fac0 and Fac1 are obtained by interpolating the parameters defined by the standard environment area point P1 and the high temperature environment area point P2. Specifically, the definitions of the high temperature environment area point P2 (pNom_C tHeat_C) and the standard environment area point P1 (pNom_C tNom_mp) are the same, and only the temperature definitions tHeat_C and tNom_mp are different, so only the temperature is interpolated here. The temperature interpolation method of the standard environment area point P1 and the high temperature environment area point P2 is shown below, and the coefficients of Fac_2, Fac_3, and Fac_4 are 0.

[0096] Continue to see Figure 2 The actual environmental conditions at present have nothing to do with other defined environmental area points. The "Area 1 (P1&P2)" shown in the diagram, where (P1&P2) represents the interpolation calculation of the parameters defined by the standard environmental area point P1 and the high temperature environmental area point P2:

[0097] Environmental factor correction coefficient Fac = Fac_0*1+Fac_1*Heat_MAP+0*Altitude_MAP+0*ColdAlti_MAP+0*Cold_MAP

[0098] Where: Fac1 = (tNom_mp-EnvT_t) / (tNom_mp-tHeat_C)

[0099] Fac0=1-Fac1

[0100] The first reference environment correction factor includes Fac0 and Fac1.

[0101] For example, if the ambient temperature in area 1 is EnvT_t = 43°C, then:

[0102] Fac1 = (35-43) / (35-50) = 0.53

[0103] It can be understood that the ambient temperature EnvT_t = 43°C exceeds the standard ambient temperature parameter tNom_mp = 35°C, and the reference temperature adopts the standard ambient temperature parameter tNom_mp = 35°C.

[0104] Fac_0=1-0.53=0.47

[0105] Fac=0.47*1+0.53*Heat_MAP=0.47*1+0.53*1.2=1.106

[0106] The operating point Heat_MAP=1.2 is obtained by calibration, see above.

[0107] Furthermore, NOx model value = 1.106*Base_MAP = 1.106*500 = 553

[0108] Similarly, if the target working area is in area 9 (i.e., the ninth working area), combined with Table 1, Fac_0 and Fac_4 are obtained by interpolating the parameters defined by the standard environment area point P1 and the high-cold environment area point P5. Specifically, the definitions of the high-cold environment area point P5 (pNom_C tCold_C) and the standard environment area point P1 (pNom_C tNom_mp) are the same in pNom_C, and only the temperature definitions tHeat_C and tNom_mp are different, so only the temperature is interpolated here. The temperature interpolation method of the standard environment area point P1 and the high-cold environment area point P5 can be found above. The coefficients of Fac_2, Fac_3, and Fac_1 are 0, which will not be repeated in this article.

[0109] S450: The target working area is the second working area, the fourth working area, the sixth working area, or the eighth working area.

[0110] S451, determine the second reference environment correction factor based on the modified MAP corresponding to the second working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the second reference environment correction factor; or, determine the fourth reference environment correction factor based on the modified MAP corresponding to the fourth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the fourth reference environment correction factor; or, determine the sixth reference environment correction factor based on the modified MAP corresponding to the sixth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the sixth reference environment correction factor; or, determine the eighth reference environment correction factor based on the modified MAP corresponding to the eighth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the eighth reference environment correction factor. Execute step S480.

[0111] For example, if the target working area is in area 2 (i.e., the second working area, Figure 2 In "Region 2 (P2)", combined with Table 1, the second reference environmental correction factor Fac_1 = 1, Fac_0, Fac_2, Fac_3 and Fac_4 are all 0. At this time, the environmental factor correction coefficient Fac is:

[0112] Fac=0*1+1*Heat_MAP+0*Altitude_MAP+0*ColdAlti_MAP+0*Cold_MAP=Heat_MAP

[0113] Similarly, if the target working area is in area 4 (i.e., the fourth working area, Figure 2 In "Region 4 (P3)"), combined with Table 1, the fourth reference environmental correction factor Fac_2 = 1, Fac_0, Fac_1, Fac_3 and Fac_4 are all 0, refer to the above correspondence to obtain the corresponding environmental factor correction coefficient Fac.

[0114] Similarly, if the target working area is in area 6 (i.e., the sixth working area, Figure 2 In "Area 6 (P4)"), combined with Table 1, the sixth reference environmental correction factor Fac_3 = 1, Fac_0, Fac_1, Fac_2 and Fac_4 are all 0, refer to the above correspondence to obtain the corresponding environmental factor correction coefficient Fac.

[0115] Similarly, if the target working area is in area 8 (i.e., the eighth working area, Figure 2 In "Area 8 (P5)"), combined with Table 1, the eighth reference environmental correction factor Fac_4 = 1, Fac_0, Fac_1, Fac_3 and Fac_2 are all 0, refer to the above correspondence to obtain the corresponding environmental factor correction coefficient Fac.

[0116] S460: The target working area is the third working area, the fifth working area, or the seventh working area.

[0117] S461: Determine a third reference environment correction factor based on the temperature parameter and pressure parameter corresponding to the third working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the third reference environment correction factor; or, determine a fifth reference environment correction factor based on the temperature parameter and pressure parameter corresponding to the fifth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the fifth reference environment correction factor; or, determine a seventh reference environment correction factor based on the temperature parameter and pressure parameter corresponding to the seventh working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the seventh reference environment correction factor. Execute step S480.

[0118] For example, if the target working area is in area 3 (i.e., the third working area, Figure 2 In "Region 3 (P2&P3)"), combined with Table 1, the third reference environmental correction factor includes Fac1 and Fac2. Fac1 is obtained by interpolation calculation of the temperature parameters defined by the plateau environmental area point P3 and the high temperature environmental area point P2. Fac2 is obtained by interpolation calculation of the pressure parameters defined by the plateau environmental area point P3 and the high temperature environmental area point P2. At this time, the environmental factor correction coefficient Fac is:

[0119] Fac=Fac_0*1+Fac_1*Heat_MAP+Fac_2*Altitude_MAP+0*ColdAlti_MAP+0*Cold_MAP

[0120] Similarly, if the target working area is in area 5 (i.e., the fifth working area, Figure 2 In "Region 5 (P3&P4)"), combined with Table 1, the fourth benchmark environmental correction factor includes Fac2 and Fac3. Fac2 is obtained by interpolation calculation of pressure parameters defined by plateau environmental area point P3 and high temperature environmental area point P2. Fac3 is obtained by interpolation calculation of temperature parameters defined by plateau environmental area point P3 and plateau high-cold environmental area point P4. At this time, refer to the above correspondence to obtain the corresponding environmental factor correction coefficient Fac.

[0121] Similarly, if the target working area is in area 7 (i.e. the seventh working area, Figure 2 In "Region 7 (P4&P5)"), combined with Table 1, the fourth benchmark environmental correction factor includes Fac3 and Fac4. Fac3 is obtained by interpolation calculation of temperature parameters defined by plateau environmental area point P3 and plateau alpine environmental area point P4. Fac4 is obtained by interpolation calculation of pressure parameters defined by plateau alpine environmental area point P4 and alpine environmental area point P5. At this time, refer to the above correspondence to obtain the corresponding environmental factor correction coefficient Fac.

[0122] S470: The target working area is the tenth working area, the eleventh working area, or the twelfth working area.

[0123] S471, determine the tenth reference environment correction factor based on the temperature parameter and pressure parameter corresponding to the tenth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the tenth reference environment correction factor; or, determine the eleventh reference environment correction factor based on the temperature parameter and pressure parameter corresponding to the eleventh working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the eleventh reference environment correction factor; or, determine the twelfth reference environment correction factor based on the temperature parameter and pressure parameter corresponding to the twelfth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the twelfth reference environment correction factor. Execute step S480.

[0124] For example, if the target working area is in area 10 (i.e., the tenth working area, Figure 2In "Region 10 (P1&P4&P5)"), combined with Table 1, the tenth reference environmental correction factor includes Fac_3 and Fac_4. Fac_3 is obtained by interpolation calculation of the pressure parameters defined by the standard environmental area point P1 and the plateau alpine environmental area point P4. Fac_4 is obtained by interpolation calculation of the temperature parameters defined by the standard environmental area point P1 and the alpine alpine environmental area point P5. At this time, the environmental factor correction coefficient Fac is:

[0125] Fac=Fac_0*1+0*Heat_MAP+0*Altitude_MAP+Fac_3*ColdAlti_MAP+Fac_4*Cold_MAP

[0126] Similarly, if the target working area is in area 11 (i.e., the eleventh working area, Figure 2 In "Region 11 (P1&P3&P4)"), combined with Table 1, the eleventh reference environment correction factor includes Fac_2 and Fac_3. Fac_2 is obtained by interpolation calculation of the pressure parameters defined by the standard environment area point P1 and the plateau environment area point P3. Fac_3 is obtained by interpolation calculation of the temperature parameters defined by the standard environment area point P1 and the plateau alpine environment area point P4. At this time, the environmental factor correction coefficient Fac is:

[0127] Fac=Fac_0*1+0*Heat_MAP+Fac_2*Altitude_MAP+Fac_3*ColdAlti_MAP+0*Cold_MAP

[0128] Similarly, if the target working area is in area 12 (i.e., the twelfth working area, Figure 2 In "Region 12 (P1&P2&P3)"), combined with Table 1, the twelfth reference environment correction factor includes Fac_1 and Fac_2. Fac_1 is obtained by interpolation calculation of the temperature parameters defined by the standard environment area point P1 and the high temperature environment area point P2. Fac_2 is obtained by interpolation calculation of the pressure parameters defined by the standard environment area point P1 and the plateau environment area point P3. At this time, the environmental factor correction coefficient Fac is:

[0129] Fac=Fac_0*1+Fac_1*Heat_MAP+Fac_2*Altitude_MAP+0*ColdAlti_MAP+0*Cold_MAP

[0130] Where: Fac2 = (pNom_C-EnvP_p) / (pNom_C-pAlti_C)

[0131] Fac1=(tNom_mp-EnvT_t) / (tNom_mp-tHeat_C)

[0132] Fac0=1-Fac1-Fac2.

[0133] S480: Determine a NOx model value of the NOx model according to the original NOx value and the environmental factor correction coefficient.

[0134] Embodiment 3

[0135] Figure 5 This is a schematic diagram of the structure of a device for determining environmental factors of a NOx model provided in Embodiment 3 of the present invention. Figure 5 As shown, the environmental factor determination device of the NOx model includes:

[0136] The environmental region point determination module 510 is used to calibrate the standard environmental region point, the high temperature environmental region point, the plateau environmental region point, the plateau high-cold environmental region point and the high-cold environmental region point according to the environmental temperature and the environmental pressure;

[0137] A working area determination module 520 is used to determine a plurality of working areas by using the standard environment area point, the high temperature environment area point, the plateau environment area point, the plateau high-cold environment area point and the high-cold environment area point as dividing points;

[0138] The target working area determination module 530 is used to obtain the current ambient temperature and the current ambient pressure, and determine the target working area according to the current ambient temperature and the current ambient pressure;

[0139] The environmental factor correction coefficient determination module 540 is used to determine a baseline environmental correction factor based on the target working area, and calculate the environmental factor correction coefficient of the NOx model according to the baseline environmental correction factor.

[0140] Optionally, the working area determination module 520 includes:

[0141] A first working area is determined based on the standard environmental area point and the high temperature environmental area point, a second working area is determined based on the high temperature environmental area point, a third working area is determined based on the high temperature environmental area point and the plateau environmental area point, a fourth working area is determined based on the high temperature environmental area point, a fifth working area is determined based on the plateau environmental area point and the plateau high-cold environmental area point, a sixth working area is determined based on the high temperature environmental area point, a seventh working area is determined based on the plateau high-cold environmental area point and the high-cold environmental area point, an eighth working area is determined based on the high temperature environmental area point, a ninth working area is determined based on the standard environmental area point and the high-cold environmental area point, a tenth working area is determined based on the standard environmental area point, the plateau high-cold environmental area point and the high-cold environmental area point, an eleventh working area is determined based on the standard environmental area point, the plateau environmental area point and the plateau high-cold environmental area point, and a twelfth working area is determined based on the standard environmental area point, the high temperature environmental area point and the plateau environmental area point.

[0142] Optionally, the target working area is the first working area or the ninth working area;

[0143] The environmental factor correction coefficient determination module 540 includes:

[0144] Determine a first reference environment correction factor based on the temperature parameter corresponding to the first working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the first reference environment correction factor; or,

[0145] A ninth reference environmental correction factor is determined based on the temperature parameter corresponding to the ninth working area, and an environmental factor correction coefficient corresponding to the NOx model is calculated according to the ninth reference environmental correction factor.

[0146] Optionally, the target working area is the second working area, the fourth working area, the sixth working area or the eighth working area;

[0147] The environmental factor correction coefficient determination module 540 includes:

[0148] Determine a second reference environment correction factor based on the modified MAP corresponding to the second working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the second reference environment correction factor; or,

[0149] Determine a fourth reference environment correction factor based on the modified MAP corresponding to the fourth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the fourth reference environment correction factor; or,

[0150] Determine a sixth reference environment correction factor based on the modified MAP corresponding to the sixth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the sixth reference environment correction factor; or,

[0151] An eighth reference environment correction factor is determined based on the modified MAP corresponding to the eighth working area, and an environmental factor correction coefficient corresponding to the NOx model is calculated according to the eighth reference environment correction factor.

[0152] Optionally, the target working area is the third working area, the fifth working area, or the seventh working area;

[0153] The environmental factor correction coefficient determination module 540 includes:

[0154] Determine a third reference environment correction factor based on the temperature parameter and the pressure parameter corresponding to the third working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the third reference environment correction factor; or,

[0155] Determine a fifth reference environment correction factor based on the temperature parameter and the pressure parameter corresponding to the fifth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the fifth reference environment correction factor; or,

[0156] A seventh reference environmental correction factor is determined based on the temperature parameter and the pressure parameter corresponding to the seventh working area, and an environmental factor correction coefficient corresponding to the NOx model is calculated according to the seventh reference environmental correction factor.

[0157] Optionally, the target working area is the tenth working area, the eleventh working area, or the twelfth working area;

[0158] The environmental factor correction coefficient determination module 540 includes:

[0159] Determine a tenth reference environmental correction factor based on the temperature parameter and the pressure parameter corresponding to the tenth working area, and calculate the environmental factor correction coefficient corresponding to the NOx model according to the tenth reference environmental correction factor; or,

[0160] Determine an eleventh reference environment correction factor based on the temperature parameter and the pressure parameter corresponding to the eleventh working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the eleventh reference environment correction factor; or,

[0161] A twelfth reference environment correction factor is determined based on the temperature parameter and the pressure parameter corresponding to the twelfth working area, and an environmental factor correction coefficient corresponding to the NOx model is calculated according to the twelfth reference environment correction factor.

[0162] Optionally, the environmental factor determination device of the NOx model further includes:

[0163] A NOx model value of the NOx model is determined according to the original NOx value and the environmental factor correction coefficient.

[0164] The environmental factor determination device of the NOx model provided in the embodiment of the present invention can execute the environmental factor determination method of the NOx model provided in any embodiment of the present invention, and has the corresponding functional modules and beneficial effects of executing the environmental factor determination method of the NOx model.

[0165] Embodiment 4

[0166] Figure 6 A schematic diagram of the structure of an electronic device 10 that can be used to implement an embodiment of the present invention is shown. The electronic device is intended to represent various forms of digital computers, such as laptop computers, desktop computers, workstations, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers. The electronic device can also represent various forms of mobile devices, such as personal digital processing, cellular phones, smart phones, wearable devices (such as helmets, glasses, watches, etc.) and other similar computing devices. The components shown herein, their connections and relationships, and their functions are merely examples and are not intended to limit the implementation of the present invention described and / or required herein.

[0167] like Figure 6 As shown, the electronic device 10 includes at least one processor 11, and a memory connected to the at least one processor 11, such as a read-only memory (ROM) 12, a random access memory (RAM) 13, etc., wherein the memory stores a computer program that can be executed by at least one processor, and the processor 11 can perform various appropriate actions and processes according to the computer program stored in the read-only memory (ROM) 12 or the computer program loaded from the storage unit 18 to the random access memory (RAM) 13. In the RAM 13, various programs and data required for the operation of the electronic device 10 can also be stored. The processor 11, the ROM 12, and the RAM 13 are connected to each other through a bus 14. An input / output (I / O) interface 15 is also connected to the bus 14.

[0168] A number of components in the electronic device 10 are connected to the I / O interface 15, including: an input unit 16, such as a keyboard, a mouse, etc.; an output unit 17, such as various types of displays, speakers, etc.; a storage unit 18, such as a disk, an optical disk, etc.; and a communication unit 19, such as a network card, a modem, a wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information / data with other devices through a computer network such as the Internet and / or various telecommunication networks.

[0169] The processor 11 may be a variety of general and / or special processing components with processing and computing capabilities. Some examples of the processor 11 include, but are not limited to, a central processing unit (CPU), a graphics processing unit (GPU), various dedicated artificial intelligence (AI) computing chips, various processors running machine learning model algorithms, digital signal processors (DSPs), and any appropriate processors, controllers, microcontrollers, etc. The processor 11 executes the various methods and processes described above, such as the environmental factor determination method of the NOx model.

[0170] In some embodiments, the environmental factor determination method of the NOx model may be implemented as a computer program, which is tangibly contained in a computer-readable storage medium, such as a storage unit 18. In some embodiments, part or all of the computer program may be loaded and / or installed on the electronic device 10 via the ROM 12 and / or the communication unit 19. When the computer program is loaded into the RAM 13 and executed by the processor 11, one or more steps of the environmental factor determination method of the NOx model described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to execute the environmental factor determination method of the NOx model in any other appropriate manner (e.g., by means of firmware).

[0171] Various implementations of the systems and techniques described above herein can be implemented in digital electronic circuit systems, integrated circuit systems, field programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), application specific standard products (ASSPs), systems on chips (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various implementations can include: being implemented in one or more computer programs that can be executed and / or interpreted on a programmable system including at least one programmable processor, which can be a special purpose or general purpose programmable processor that can receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.

[0172] Computer programs for implementing the methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing device, so that when the computer program is executed by the processor, the functions / operations specified in the flow chart and / or block diagram are implemented. The computer program may be executed entirely on the machine, partially on the machine, partially on the machine and partially on a remote machine as a stand-alone software package, or entirely on a remote machine or server.

[0173] In the context of the present invention, a computer-readable storage medium may be a tangible medium that may contain or store a computer program for use by or in combination with an instruction execution system, device or equipment. A computer-readable storage medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, devices or equipment, or any suitable combination of the foregoing. Alternatively, a computer-readable storage medium may be a machine-readable signal medium. A more specific example of a machine-readable storage medium may include an electrical connection based on one or more lines, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

[0174] To provide interaction with a user, the systems and techniques described herein may be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user; and a keyboard and a pointing device (e.g., a mouse or trackball) through which the user can provide input to the electronic device. Other types of devices may also be used to provide interaction with the user; for example, the feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form (including acoustic input, voice input, or tactile input).

[0175] The systems and techniques described herein may be implemented in a computing system that includes backend components (e.g., as a data server), or a computing system that includes middleware components (e.g., an application server), or a computing system that includes frontend components (e.g., a user computer with a graphical user interface or a web browser through which a user can interact with implementations of the systems and techniques described herein), or a computing system that includes any combination of such backend components, middleware components, or frontend components. The components of the system may be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: a local area network (LAN), a wide area network (WAN), a blockchain network, and the Internet.

[0176] A computing system may include a client and a server. The client and the server are generally remote from each other and usually interact through a communication network. The client and server relationship is generated by computer programs running on the corresponding computers and having a client-server relationship with each other. The server may be a cloud server, also known as a cloud computing server or cloud host, which is a host product in the cloud computing service system to solve the defects of difficult management and weak business scalability in traditional physical hosts and VPS services.

[0177] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps described in the present invention can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solution of the present invention can be achieved, and this document does not limit this.

[0178] The above specific implementations do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for determining environmental factors of a NOx model, characterized in that: include: According to the ambient temperature and ambient pressure, the standard environment area point, high temperature environment area point, plateau environment area point, plateau high-cold environment area point and high-cold environment area point are calibrated respectively; Determine a plurality of working areas by using the standard environment area point, the high temperature environment area point, the plateau environment area point, the plateau high-cold environment area point and the high-cold environment area point as dividing points; Acquire the current ambient temperature and the current ambient pressure, and determine the target working area according to the current ambient temperature and the current ambient pressure; Determine a baseline environmental correction factor based on the target working area, and calculate an environmental factor correction coefficient of a NOx model according to the baseline environmental correction factor; The standard environment area point, the high temperature environment area point, the plateau environment area point, the plateau high-cold environment area point and the high-cold environment area point are used as dividing points to determine multiple working areas, including: A first working area is determined based on the standard environment area point and the high temperature environment area point, a second working area is determined based on the high temperature environment area point, a third working area is determined based on the high temperature environment area point and the plateau environment area point, a fourth working area is determined based on the high temperature environment area point, a fifth working area is determined based on the plateau environment area point and the plateau high-cold environment area point, a sixth working area is determined based on the high temperature environment area point, a seventh working area is determined based on the plateau high-cold environment area point and the high-cold environment area point, an eighth working area is determined based on the high temperature environment area point, a ninth working area is determined based on the standard environment area point and the high-cold environment area point, a tenth working area is determined based on the standard environment area point, the plateau high-cold environment area point and the high-cold environment area point, an eleventh working area is determined based on the standard environment area point, the plateau environment area point and the plateau high-cold environment area point, and a twelfth working area is determined based on the standard environment area point, the high temperature environment area point and the plateau environment area point; The target working area is the first working area or the ninth working area; Determining a baseline environmental correction factor based on the target working area, and calculating an environmental factor correction coefficient of a NOx model according to the baseline environmental correction factor, including: Determine a first reference environment correction factor based on the temperature parameter corresponding to the first working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the first reference environment correction factor; or, Determining a ninth reference environmental correction factor based on the temperature parameter corresponding to the ninth working area, and calculating an environmental factor correction coefficient corresponding to the NOx model according to the ninth reference environmental correction factor; The target working area is the second working area, the fourth working area, the sixth working area or the eighth working area; Determining a baseline environmental correction factor based on the target working area, and calculating an environmental factor correction coefficient of a NOx model according to the baseline environmental correction factor, including: Determine a second reference environment correction factor based on the modified MAP corresponding to the second working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the second reference environment correction factor; or, Determine a fourth reference environment correction factor based on the modified MAP corresponding to the fourth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the fourth reference environment correction factor; or, Determine a sixth reference environment correction factor based on the modified MAP corresponding to the sixth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the sixth reference environment correction factor; or, determining an eighth reference environment correction factor based on the modified MAP corresponding to the eighth working area, and calculating an environment factor correction coefficient corresponding to the NOx model according to the eighth reference environment correction factor; The target working area is the third working area, the fifth working area, or the seventh working area; Determining a baseline environmental correction factor based on the target working area, and calculating an environmental factor correction coefficient of a NOx model according to the baseline environmental correction factor, including: Determine a third reference environment correction factor based on the temperature parameter and the pressure parameter corresponding to the third working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the third reference environment correction factor; or, Determine a fifth reference environment correction factor based on the temperature parameter and the pressure parameter corresponding to the fifth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the fifth reference environment correction factor; or, Determine a seventh reference environment correction factor based on the temperature parameter and the pressure parameter corresponding to the seventh working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the seventh reference environment correction factor; The target working area is the tenth working area, the eleventh working area, or the twelfth working area; Determining a baseline environmental correction factor based on the target working area, and calculating an environmental factor correction coefficient of a NOx model according to the baseline environmental correction factor, including: Determine a tenth reference environmental correction factor based on the temperature parameter and the pressure parameter corresponding to the tenth working area, and calculate the environmental factor correction coefficient corresponding to the NOx model according to the tenth reference environmental correction factor; or, Determine an eleventh reference environment correction factor based on the temperature parameter and the pressure parameter corresponding to the eleventh working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the eleventh reference environment correction factor; or, A twelfth reference environment correction factor is determined based on the temperature parameter and the pressure parameter corresponding to the twelfth working area, and an environmental factor correction coefficient corresponding to the NOx model is calculated according to the twelfth reference environment correction factor.

2. The method for determining the environmental factors of the NOx model according to claim 1, characterized in that: The method for determining the environmental factor of the NOx model further includes: A NOx model value of the NOx model is determined according to the original NOx value and the environmental factor correction coefficient.

3. A device for determining environmental factors of a NOx model, characterized in that: include: An environmental area point determination module is used to calibrate standard environmental area points, high temperature environmental area points, plateau environmental area points, plateau high-cold environmental area points and high-cold environmental area points according to environmental temperature and environmental pressure; A working area determination module, used to determine a plurality of working areas by taking the standard environment area point, the high temperature environment area point, the plateau environment area point, the plateau high-cold environment area point and the high-cold environment area point as dividing points; A target working area determination module, used to obtain the current ambient temperature and the current ambient pressure, and determine the target working area according to the current ambient temperature and the current ambient pressure; An environmental factor correction coefficient determination module is used to determine a baseline environmental correction factor based on the target working area, and calculate the environmental factor correction coefficient of the NOx model according to the baseline environmental correction factor; Wherein, the working area determination module includes: A first working area is determined based on the standard environment area point and the high temperature environment area point, a second working area is determined based on the high temperature environment area point, a third working area is determined based on the high temperature environment area point and the plateau environment area point, a fourth working area is determined based on the high temperature environment area point, a fifth working area is determined based on the plateau environment area point and the plateau high-cold environment area point, a sixth working area is determined based on the high temperature environment area point, a seventh working area is determined based on the plateau high-cold environment area point and the high-cold environment area point, an eighth working area is determined based on the high temperature environment area point, a ninth working area is determined based on the standard environment area point and the high-cold environment area point, a tenth working area is determined based on the standard environment area point, the plateau high-cold environment area point and the high-cold environment area point, an eleventh working area is determined based on the standard environment area point, the plateau environment area point and the plateau high-cold environment area point, and a twelfth working area is determined based on the standard environment area point, the high temperature environment area point and the plateau environment area point; The target working area is the first working area or the ninth working area; Environmental factor correction coefficient determination module, including: Determine a first reference environment correction factor based on the temperature parameter corresponding to the first working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the first reference environment correction factor; or, Determining a ninth reference environmental correction factor based on the temperature parameter corresponding to the ninth working area, and calculating an environmental factor correction coefficient corresponding to the NOx model according to the ninth reference environmental correction factor; The target working area is the second working area, the fourth working area, the sixth working area or the eighth working area; Environmental factor correction coefficient determination module, including: Determine a second reference environment correction factor based on the modified MAP corresponding to the second working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the second reference environment correction factor; or, Determine a fourth reference environment correction factor based on the modified MAP corresponding to the fourth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the fourth reference environment correction factor; or, Determine a sixth reference environment correction factor based on the modified MAP corresponding to the sixth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the sixth reference environment correction factor; or, determining an eighth reference environment correction factor based on the modified MAP corresponding to the eighth working area, and calculating an environment factor correction coefficient corresponding to the NOx model according to the eighth reference environment correction factor; The target working area is the third working area, the fifth working area, or the seventh working area; Environmental factor correction coefficient determination module, including: Determine a third reference environment correction factor based on the temperature parameter and the pressure parameter corresponding to the third working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the third reference environment correction factor; or, Determine a fifth reference environment correction factor based on the temperature parameter and the pressure parameter corresponding to the fifth working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the fifth reference environment correction factor; or, Determine a seventh reference environment correction factor based on the temperature parameter and the pressure parameter corresponding to the seventh working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the seventh reference environment correction factor; The target working area is the tenth working area, the eleventh working area, or the twelfth working area; Environmental factor correction coefficient determination module, including: Determine a tenth reference environmental correction factor based on the temperature parameter and the pressure parameter corresponding to the tenth working area, and calculate the environmental factor correction coefficient corresponding to the NOx model according to the tenth reference environmental correction factor; or, Determine an eleventh reference environment correction factor based on the temperature parameter and the pressure parameter corresponding to the eleventh working area, and calculate the environment factor correction coefficient corresponding to the NOx model according to the eleventh reference environment correction factor; or, A twelfth reference environment correction factor is determined based on the temperature parameter and the pressure parameter corresponding to the twelfth working area, and an environmental factor correction coefficient corresponding to the NOx model is calculated according to the twelfth reference environment correction factor.

4. An electronic device, characterized in that: The electronic device comprises: at least one processor; and a memory communicatively connected to the at least one processor; wherein, The memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor so that the at least one processor can perform the environmental factor determination method of the NOx model according to any one of claims 1-2.

5. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a processor to implement the environmental factor determination method of the NOx model according to any one of claims 1 to 2 when executed.

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