Power generation control method and device, storage medium and vehicle

Abstract

The embodiment of the invention provides a power generation control method and device, a storage medium and a vehicle. The method comprises the steps of obtaining a real-time current value of a power battery; determining an average current value in a preset time period before the current moment according to the obtained real-time current value; acquiring a current SOC value of the power battery; and the power generation power of the generator is adjusted according to the current SOC value and the average current value, the power generation power of the generator is dynamically adjusted, the power generation power of the generator can better follow the power utilization power of the vehicle, the SOC of the power battery is adjusted within a reasonable interval, and the power battery is prevented from being overcharged and overdischarged.

Description

Technical Field

[0001] The present invention relates to the technical field of power generation control, and in particular to a power generation control method, device, storage medium and vehicle. Background Art

[0002] In vehicles using small-capacity power batteries, the battery capacity is very small and cannot support long-term energy absorption or replenishment. When the generator cannot quickly follow the change in driving power, the charging and discharging capacity of the power battery can be used to replenish and absorb electric energy to ensure the vehicle's driving responsiveness. At present, the power generation of the generator is generally used to follow the average power of the load, and the power generation is adjusted based on the SOC state to achieve power generation control.

[0003] However, this method uses deep charging and discharging of the battery to smooth out the peaks and fill the valleys. For small-capacity power batteries, the amount of electricity that can be compensated or absorbed is limited due to its limited capacity, and it is impossible to achieve long-term and large-scale peak-to-valley shaving for high-power equipment. In addition, the power of the drive motor is calculated through DC voltage and DC current, and the current accuracy error is large. At the same time, the message cycle and sending time of each power-consuming component are inconsistent, which will lead to low accuracy of the real-time power of the drive motor. Therefore, using the above solution, it is difficult for the generated power to accurately follow the drive power, which will cause the power battery to continuously discharge or charge. For small-capacity batteries, the SOC will change rapidly, and it is more likely to overcharge or over-discharge the battery, resulting in a shortened battery life or even direct damage.

[0004] Therefore, in the power generation control scheme for the generator in the prior art, the power generation of the generator is difficult to follow the power consumption of the vehicle, the following effect of the power generation and power consumption is not good, it is difficult to adjust the SOC of the power battery within a reasonable range, and the battery is prone to overcharge or over-discharge. Summary of the invention

[0005] The purpose of the embodiments of the present invention is to provide a power generation control method, device, storage medium and vehicle, so as to solve the problem of poor tracking effect between the power generation power of the generator and the power consumption of the vehicle in the prior art.

[0006] In order to achieve the above object, the present invention provides a first aspect of a power generation control method, comprising:

[0007] Get the real-time current value of the power battery;

[0008] Determine the average current value in a preset time period before the current moment according to the acquired real-time current value;

[0009] Get the current SOC value of the power battery;

[0010] The generator power generation is adjusted according to the current SOC value and the average current value.

[0011] In an embodiment of the present invention, adjusting the power generation of the generator according to the current SOC value and the average current value includes: determining the current power generation level adjustment amount of the generator according to the current SOC value and the average current value; determining the current power generation power of the generator according to the current power generation level adjustment amount, a preset reference level power and the power generation power of the generator at the previous moment; and controlling the generator to operate at the current power generation power.

[0012] In an embodiment of the present invention, determining the current power generation level adjustment amount of the generator according to the current SOC value and the average current value includes: determining the SOC interval and the current interval in which the current SOC value and the average current value are respectively located, wherein the current interval is one of the preset current intervals divided based on the maximum charging current value and the maximum discharging current value of the power battery; traversing the power generation level adjustment table to obtain the preset power generation level adjustment amount that matches the SOC interval and the current interval; and determining the matched preset power generation level adjustment amount as the current power generation level adjustment amount.

[0013] In an embodiment of the present invention, a power generation level adjustment table is used to characterize the relationship between any preset current interval and any preset SOC interval and a preset power generation level adjustment amount, wherein the preset current interval includes at least one charging current value interval, a zero current interval and at least one discharge current value interval, and the preset power generation level adjustment amount includes a preset power generation level increase amount and a preset power generation level decrease amount. The larger the charging current value interval and the larger the SOC, the corresponding preset SOC interval has a larger decrease in the preset power generation level. The larger the discharge current value interval and the smaller the SOC, the corresponding preset SOC interval has a larger increase in the preset power generation level. The smaller the SOC in the zero current interval, the corresponding preset SOC interval has a larger increase in the preset power generation level.

[0014] In an embodiment of the present invention, determining the power generation power of a generator at a current moment according to a current power generation level adjustment amount, a preset reference level power and the power generation power of the generator at a previous moment includes: determining the adjustment power for the generator according to the current power generation level adjustment amount and the preset reference level power; determining the power generation power of the generator at a current moment according to the adjustment power and the power generation power of the generator at a previous moment.

[0015] In an embodiment of the present invention, determining the adjusted power for the generator according to the current power generation level adjustment amount and the preset reference level power includes: determining the product of the current power generation level adjustment amount and the preset reference level power as the adjusted power.

[0016] In the embodiment of the present invention, determining the current power generation of the generator according to the adjusted power and the power generation of the generator at the previous moment includes: determining the sum of the adjusted power and the power generation of the generator at the previous moment as the current power generation.

[0017] A second aspect of the present invention provides a power generation control device, comprising:

[0018] a memory configured to store instructions;

[0019] The controller is configured to call instructions from the memory and implement the above-mentioned power generation control method when executing the instructions.

[0020] A third aspect of the present invention provides a machine-readable storage medium having instructions stored thereon, which, when executed by a processor, configure the processor to execute the above-mentioned power generation control method.

[0021] A fourth aspect of the present invention provides a vehicle, comprising:

[0022] Power batteries, used to store electrical energy;

[0023] The current sensor is installed on the positive or negative electrode of the power battery to detect the charging and discharging current of the power battery;

[0024] An engine, used to drive a generator to generate electricity;

[0025] Generators, used to provide electrical energy;

[0026] at least one drive motor for consuming electrical energy;

[0027] The above-mentioned power generation control device.

[0028] Through the above technical scheme, the tracking situation between the current power generation of the generator and the power consumption of the vehicle is evaluated according to the real-time current of the power battery, the deviation between the power generation power and the power consumption of the vehicle is accurately identified according to the current SOC value and average current value of the power battery, and the power generation power of the generator is dynamically adjusted so that the power generation power of the generator can better follow the power consumption of the vehicle, and the SOC of the power battery is adjusted within a reasonable range to prevent overcharging and over-discharging of the power battery.

[0029] Other features and advantages of the embodiments of the present invention will be described in detail in the subsequent detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The accompanying drawings are used to provide a further understanding of the embodiments of the present invention and constitute a part of the specification. Together with the following specific implementations, they are used to explain the embodiments of the present invention, but do not constitute a limitation on the embodiments of the present invention. In the accompanying drawings:

[0031] Figure 1 A schematic diagram of a flow chart of a power generation control method according to an embodiment of the present invention is shown;

[0032] Figure 2 A schematic diagram of a flow chart of a power generation control method according to another embodiment of the present invention is shown;

[0033] Figure 3 A schematic diagram of an energy management system according to an embodiment of the present invention is schematically shown;

[0034] Figure 4 The internal structure of a computer device according to an embodiment of the present invention is schematically shown. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It should be understood that the specific implementation methods described herein are only used to illustrate and explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0036] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0037] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0038] Figure 1 The flowchart of the power generation control method according to an embodiment of the present invention is schematically shown. Figure 1 As shown, in one embodiment of the present invention, a power generation control method is provided, comprising the following steps:

[0039] Step 101: Obtain the real-time current value of the power battery.

[0040] The vehicle may include a generator and a power battery. The generator converts mechanical energy into electrical energy when generating electricity, which is used to provide electrical energy. When the power generated by the generator is greater than the power consumption of the vehicle's drive motor, the generator can provide electrical energy to the drive motor and the power battery, and the power battery is charged to absorb and store excess electrical energy. When the power generated by the generator is less than the power consumption of the drive motor, the generator provides electrical energy to the drive motor, and the power battery can be discharged to supplement the power of the drive motor.

[0041] The vehicle may further include a current sensor. The current sensor may be installed at the positive electrode or the negative electrode of the power battery. The real-time current value of the power battery may be collected through the current sensor. When performing power generation control, the controller may obtain the real-time current value of the power battery through the current sensor. When the power battery is charging, the real-time current value may be a real-time charging current value. When the power battery is discharging, the real-time current value may be a real-time discharging current value.

[0042] In one embodiment, in order to improve the sampling accuracy of the current value, the current sensor installed on the power battery may be a high-precision DC current sensor.

[0043] In one embodiment, in order to improve the real-time sampling of the current value, the electrical signal of the current sensor may be connected to the IO pin of the controller.

[0044] The vehicles of this embodiment include traditional vehicles and new energy vehicles used in the new energy field, such as extended-range electric vehicles, hybrid vehicles, etc.; in addition, the vehicles of this embodiment also belong to intelligent networked vehicles, which may include sensor / perception systems, communication systems, etc., and collect vehicle operation data and vehicle surrounding environment information through the sensor / perception system in the vehicle, and achieve network connection with other vehicles and the cloud through the communication system, and share the collected vehicle operation data, vehicle surrounding environment information, etc. to the cloud and other authorized vehicles to realize data sharing, remote analysis, intelligent driving and other operations.

[0045] Step 102: Determine the average current value in a preset time period before the current moment according to the acquired real-time current value.

[0046] The processor can determine the average current value in the preset time period before the current moment according to the acquired real-time current value. Specifically, all real-time current values ​​in the preset time period before the current moment can be averaged to obtain the average current value in the preset time period. The preset time period can be customized according to actual conditions.

[0047] In one embodiment, the average current value within a preset time period is determined by the following formula:

[0048]

[0049] Where I refers to the average current value within the preset time period, I k refers to the kth real-time current value within the preset time period, and N refers to the total number of real-time current values ​​within the preset time period.

[0050] Step 103: Obtain the current SOC value of the power battery.

[0051] Step 104: Adjust the power generation of the generator according to the current SOC value and the average current value.

[0052] The processor can obtain the current SOC value of the power battery. SOC refers to the state of charge. The processor can adjust the power generation of the generator according to the current SOC value and the average current value. For example, if the current SOC value is small, the power storage of the power battery is low, and the larger the discharge amount indicated by the average current value, the higher the power generation of the generator can be adjusted. If the current SOC value is large, the power storage of the power battery is high, and the larger the charge amount indicated by the average current value, the lower the power generation of the generator can be adjusted.

[0053] In an embodiment of the present invention, adjusting the power generation of the generator according to the current SOC value and the average current value includes: determining the current power generation level adjustment amount of the generator according to the current SOC value and the average current value; determining the current power generation power of the generator according to the current power generation level adjustment amount, a preset reference level power and the power generation power of the generator at the previous moment; and controlling the generator to operate at the current power generation power.

[0054] The controller can determine the current power generation level adjustment amount of the generator according to the current SOC value and the average current value. The current power generation level adjustment amount refers to the level of power generation level that needs to be increased or decreased at the current moment.

[0055] In an embodiment of the present invention, determining the current power generation level adjustment amount of the generator according to the current SOC value and the average current value includes: determining the SOC interval and the current interval in which the current SOC value and the average current value are respectively located, wherein the current interval is one of the preset current intervals divided based on the maximum charging current value and the maximum discharging current value of the power battery; traversing the power generation level adjustment table to obtain the preset power generation level adjustment amount that matches the SOC interval and the current interval; and determining the matched preset power generation level adjustment amount as the current power generation level adjustment amount.

[0056] The controller can obtain the maximum charging current value and the maximum discharging current value of the power battery, and can divide it into multiple preset current intervals from the maximum charging current value to the maximum discharging current value according to the preset intervals. For example, the maximum charging current is -Imax , maximum discharge current +I max , can be divided into multiple preset current intervals, and the multiple preset current intervals can be specifically represented by X1~X10, wherein the preset current interval X1 to the preset current interval X4 is a charging section, and the charging current gradually decreases, the preset current interval X5 is a zero current interval, and the preset current interval X6 to the preset current interval X10 is a discharging section, and the discharging current gradually increases.

[0057] The controller can obtain the SOC range of the power battery and divide the SOC range into multiple preset SOC intervals. For example, the SOC range is 0 to 100, which can be divided into multiple preset SOC intervals, which can be specifically represented by Y1 to Y4, wherein the SOC value of the preset SOC interval Y1 is the lowest, and the SOC value of the preset SOC interval Y4 is the highest. From the preset SOC interval Y1 to the preset SOC interval Y4, the SOC value increases in sequence.

[0058] After determining the current SOC value and average current value of the power battery, the controller can determine the SOC interval corresponding to the current SOC value from multiple preset current intervals, and can determine the current interval corresponding to the average current value from multiple preset current intervals. The controller can determine whether the current power generation is reasonable based on the SOC interval and current interval in which the current SOC value and the average current value are located, and adjust the current power generation level.

[0059] Specifically, the controller can traverse the power generation level adjustment table to obtain a preset SOC interval that matches the SOC interval and a preset current interval that matches the current interval, thereby matching and obtaining a preset power generation level adjustment amount that matches the SOC interval and the current interval. The controller can determine the matched preset power generation level adjustment amount as the current power generation level adjustment amount of the generator.

[0060] The above-mentioned power generation level adjustment table can be constructed based on the following methods: (1) When the power battery is discharged, the power generation level is increased. The greater the discharge current of the power battery, the greater the increase in the power generation level; the smaller the discharge current of the power battery, the smaller the increase in the power generation level; when the discharge current of the power battery is in the zero range or close to the zero range, the power generation level is not adjusted; (2) When the power battery is charged, the power generation level is reduced. The greater the charging current of the power battery, the greater the reduction in the power generation level; the smaller the charging current of the power battery, the smaller the reduction in the power generation level; when the charging current of the power battery is in the zero range or close to the zero range, the power generation level is not adjusted; (3) When the current of the power battery is the same and the SOC value of the power battery is different, the power generation level is compensated according to the SOC state. When the SOC value of the power battery is low, the power generation level adjustment should be appropriately increased. When the SOC value of the power battery is high, the power generation level adjustment should be appropriately reduced.

[0061] In an embodiment of the present invention, a power generation level adjustment table is used to characterize the relationship between any preset current interval and any preset SOC interval and a preset power generation level adjustment amount, wherein the preset current interval includes at least one charging current value interval, a zero current interval and at least one discharge current value interval, and the preset power generation level adjustment amount includes a preset power generation level increase amount and a preset power generation level decrease amount. The larger the charging current value interval and the larger the SOC, the corresponding preset SOC interval has a larger decrease in the preset power generation level. The larger the discharge current value interval and the smaller the SOC, the corresponding preset SOC interval has a larger increase in the preset power generation level. The smaller the SOC in the zero current interval, the corresponding preset SOC interval has a larger increase in the preset power generation level.

[0062] For example, as shown in Table 1 below, a power generation level adjustment table is illustrated. The positive (+) and negative (-) values ​​of the preset power generation level adjustment amount K represent the adjustment direction. When K is a positive value, it means that the power generation level increases, and when K is a negative value, it means that the power generation level decreases.

[0063] Table 1

[0064]

[0065] The controller can determine the current power generation of the generator according to the current power generation level adjustment, the preset reference level power and the power generation of the generator at the last moment. The preset reference level power refers to the reference power required to set each time the power generation level is reduced or increased. The controller can control the generator to operate at the current power generation.

[0066] In an embodiment of the present invention, determining the power generation power of a generator at a current moment according to a current power generation level adjustment amount, a preset reference level power and the power generation power of the generator at a previous moment includes: determining the adjustment power for the generator according to the current power generation level adjustment amount and the preset reference level power; determining the power generation power of the generator at a current moment according to the adjustment power and the power generation power of the generator at a previous moment.

[0067] The controller may determine the adjusted power for the generator according to the current power generation level adjustment amount and the preset reference level power. Specifically, in an embodiment of the present invention, determining the adjusted power for the generator according to the current power generation level adjustment amount and the preset reference level power includes: determining the product between the current power generation level adjustment amount and the preset reference level power as the adjusted power. The controller may determine the product between the current power generation level adjustment amount and the preset reference level power, and determine the product as the adjusted power of the generator at the current moment.

[0068] In one embodiment, the adjusted power for the generator is determined by the following formula:

[0069] P deta =P 0 *K

[0070] Among them, P deta is the adjusted power of the generator, P 0 is the preset reference level power, and K is the power generation level adjustment at time t.

[0071] The controller may determine the power generation of the generator at the current moment according to the adjusted power and the power generation of the generator at the previous moment. Specifically, in an embodiment of the present invention, determining the current power generation of the generator according to the adjusted power and the power generation of the generator at the previous moment includes: determining the sum of the adjusted power and the power generation of the generator at the previous moment as the current power generation.

[0072] The controller can obtain the power generated by the generator at the last moment, and can sum the adjusted power of the generator with the power generated by the generator at the last moment, and determine the sum of the adjusted power and the power generated by the generator at the last moment as the current power generated.

[0073] In one embodiment, the power generated by the generator at the current moment is determined by the following formula:

[0074] P t =P deta +P t-1

[0075] Among them, P t It refers to the power generated by the generator at the current moment, P t-1 is the power generated by the generator at the last moment, P deta The adjusted power of the generator.

[0076] like Figure 2 As shown, a flow chart of another power generation control method is provided.

[0077] When performing power generation control, the controller can obtain the real-time current and calculate the average value of the real-time current to obtain the average current value over a period of time. The controller can obtain the SOC value of the power battery and determine the power generation adjustment level based on the SOC value of the power battery and the current average value. After that, the power generation adjustment power can be determined based on the power generation adjustment level, and the power generation power of the generator at the current moment can be determined based on the power generation adjustment power, and the corresponding power generation request can be generated to the generator so that the generator can operate according to the corresponding power generation power.

[0078] Through the above technical scheme, the tracking situation between the current power generation of the generator and the power consumption of the vehicle is evaluated according to the real-time current of the power battery, the deviation between the power generation power and the power consumption of the vehicle is accurately identified according to the current SOC value and average current value of the power battery, and the power generation power of the generator is dynamically adjusted so that the power generation power of the generator can better follow the power consumption of the vehicle, and the SOC of the power battery is adjusted within a reasonable range to prevent overcharging and over-discharging of the power battery.

[0079] Figure 1 and 2 FIG. 1 is a flow chart of a power generation control method in one embodiment. It should be understood that although Figure 1 and 2 The steps in the flowchart are shown in sequence as indicated by the arrows, but these steps are not necessarily executed in the order indicated by the arrows. Unless otherwise specified in this document, there is no strict order restriction for the execution of these steps, and these steps can be executed in other orders. Moreover, Figure 1 and 2 At least part of the steps may include multiple sub-steps or multiple stages. These sub-steps or stages are not necessarily executed at the same time, but can be executed at different times. The execution order of these sub-steps or stages is not necessarily sequential, but can be executed in turn or alternately with other steps or at least part of the sub-steps or stages of other steps.

[0080] In one embodiment, a power generation control device is provided, comprising:

[0081] a memory configured to store instructions;

[0082] The controller is configured to call instructions from the memory and implement the above-mentioned power generation control method when executing the instructions.

[0083] In one embodiment, a storage medium is provided, on which a program is stored, and when the program is executed by a processor, the above-mentioned power generation control method is implemented.

[0084] In one embodiment, a processor is provided, and the processor is used to run a program, wherein the above-mentioned power generation control method is executed when the program is run.

[0085] In an embodiment of the present invention, a vehicle is provided, comprising:

[0086] Power batteries, used to store electrical energy;

[0087] The current sensor is installed on the positive or negative electrode of the power battery to detect the charging and discharging current of the power battery;

[0088] An engine, used to drive a generator to generate electricity;

[0089] Generators, used to provide electrical energy;

[0090] at least one drive motor for consuming electrical energy;

[0091] The above-mentioned power generation control device.

[0092] The vehicle may include a power battery, a current sensor, an engine, a generator, at least one drive motor, and the above-mentioned power generation control device. The power battery is used to store electrical energy. The current sensor may be installed at the positive electrode or the negative electrode of the power battery. The real-time current value of the power battery may be collected by the current sensor. When the power battery is charging, the real-time current value may be a real-time charging current value. When the power battery is discharging, the real-time current value may be a real-time discharging current value.

[0093] The engine is used to drive the generator to generate electricity. When the power generated by the generator is greater than the power consumed by the vehicle's drive motor, the generator can provide power to the drive motor and the power battery, and the power battery can absorb and store excess power by charging. When the power generated by the generator is less than the power consumed by the drive motor, the generator provides power to the drive motor, and the power battery can be discharged to supplement the power of the drive motor.

[0094] In one embodiment, in order to improve the sampling accuracy of the current value, the current sensor installed on the power battery may be a high-precision DC current sensor.

[0095] In one embodiment, in order to improve the real-time sampling of the current value, the electrical signal of the current sensor may be connected to the IO pin of the controller of the power generation control device.

[0096] like Figure 3 As shown, a schematic diagram of an energy management system is provided. The energy management system includes an energy management controller, a power battery, a generator, an engine and at least one drive motor.

[0097] Among them, a high-precision current sensor is installed on the power battery. The engine is used as a power source to drive the generator to rotate. The energy management controller can control the generator's power generation by controlling the generator's power generation torque. The drive motor is an electrical device that responds to driving needs, drives the entire machine to operate, and consumes electrical energy.

[0098] High-precision current sensors can collect the current of the power battery. The energy management controller can obtain the current and SOC of the power battery, and can adjust the power generation of the generator according to the current and SOC of the power battery, and then control the generator to operate according to the adjusted power generation, ensuring that the power generation follows the power consumption, and adjusting the battery SOC within a reasonable range to prevent overcharging and over-discharging of the battery.

[0099] In one embodiment, a computer device is provided. The computer device may be a server, and its internal structure diagram may be as follows: Figure 4 As shown. The computer device includes a processor A01, a network interface A02, a memory (not shown in the figure) and a database (not shown in the figure) connected via a system bus. Among them, the processor A01 of the computer device is used to provide computing and control capabilities. The memory of the computer device includes an internal memory A03 and a non-volatile storage medium A04. The non-volatile storage medium A04 stores an operating system B01, a computer program B02 and a database (not shown in the figure). The internal memory A03 provides an environment for the operation of the operating system B01 and the computer program B02 in the non-volatile storage medium A04. The database of the computer device is used to store data such as the current power generation power of the generator. The network interface A02 of the computer device is used to communicate with an external terminal through a network connection. When the computer program B02 is executed by the processor A01, a power generation control method is implemented.

[0100] Those skilled in the art will understand that Figure 4 The structure shown in the figure is only a block diagram of a part of the structure related to the solution of the present invention, and does not constitute a limitation on the computer device to which the solution of the present invention is applied. The specific computer device may include more or fewer components than those shown in the figure, or combine certain components, or have a different arrangement of components.

[0101] An embodiment of the present invention provides a device, which includes a processor, a memory, and a program stored in the memory and executable on the processor. When the processor executes the program, the following steps are implemented: obtaining a real-time current value of a power battery; determining an average current value within a preset time period before a current moment based on the obtained real-time current value; obtaining a current SOC value of the power battery; and adjusting the power generation power of the generator based on the current SOC value and the average current value.

[0102] In one embodiment, adjusting the power generation of the generator according to the current SOC value and the average current value includes: determining the current power generation level adjustment amount of the generator according to the current SOC value and the average current value; determining the current power generation power of the generator according to the current power generation level adjustment amount, a preset reference level power and the power generation power of the generator at the previous moment; and controlling the generator to operate at the current power generation power.

[0103] In one embodiment, determining the current power generation level adjustment amount of the generator based on the current SOC value and the average current value includes: determining the SOC interval and current interval in which the current SOC value and the average current value are respectively located, wherein the current interval is one of the preset current intervals divided based on the maximum charging current value and the maximum discharging current value of the power battery; traversing the power generation level adjustment table to obtain the preset power generation level adjustment amount that matches the SOC interval and the current interval; and determining the matched preset power generation level adjustment amount as the current power generation level adjustment amount.

[0104] In one embodiment, a power generation level adjustment table is used to characterize the relationship between any preset current interval and any preset SOC interval and a preset power generation level adjustment amount, wherein the preset current interval includes at least one charging current value interval, a zero current interval and at least one discharge current value interval, and the preset power generation level adjustment amount includes a preset power generation level increase amount and a preset power generation level decrease amount. The larger the charging current value interval and the larger the SOC in the preset SOC interval, the larger the corresponding preset power generation level decrease amount. The larger the discharge current value interval and the smaller the SOC in the preset SOC interval, the larger the corresponding preset power generation level increase amount. The smaller the SOC in the zero current interval, the larger the corresponding preset power generation level increase amount.

[0105] In one embodiment, determining the power generation power of a generator at a current moment based on a current power generation level adjustment, a preset reference level power and the power generation power of the generator at a previous moment includes: determining the adjustment power for the generator based on the current power generation level adjustment and the preset reference level power; determining the power generation power of the generator at a current moment based on the adjustment power and the power generation power of the generator at a previous moment.

[0106] In one embodiment, determining the adjusted power for the generator according to the current power generation level adjustment amount and the preset reference level power includes: determining the product of the current power generation level adjustment amount and the preset reference level power as the adjusted power.

[0107] In one embodiment, determining the current power generation of the generator according to the adjusted power and the power generation of the generator at the last moment includes: determining the sum of the adjusted power and the power generation of the generator at the last moment as the current power generation.

[0108] The present invention also provides a computer program product, which, when executed on a data processing device, is suitable for executing a program initialized with the steps of the above-mentioned power generation control method.

[0109] Those skilled in the art will appreciate that embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0110] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0111] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0112] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 A step that specifies a function in one or more boxes.

[0113] In a typical configuration, a computing device includes one or more processors (CPU), input / output interfaces, network interfaces, and memory.

[0114] The memory may include non-permanent memory in a computer-readable medium, random access memory (RAM) and / or non-volatile memory in the form of read-only memory (ROM) or flash RAM. The memory is an example of a computer-readable medium.

[0115] Computer readable media include permanent and non-permanent, removable and non-removable media that can be implemented by any method or technology to store information. Information can be computer readable instructions, data structures, program modules or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, compact disk read-only memory (CD-ROM), digital versatile disk (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices or any other non-transmission media that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include temporary computer readable media (transitory media), such as modulated data signals and carrier waves.

[0116] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, commodity or device including the elements.

[0117] The above are only embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A power generation control method, characterized in that: Applied to a vehicle, the vehicle includes a generator and a power battery, and the method includes: Obtaining a real-time current value of the power battery; Determine the average current value in a preset time period before the current moment according to the acquired real-time current value; Obtaining a current SOC value of the power battery; The power generation power of the generator is adjusted according to the current SOC value and the average current value.

2. The power generation control method according to claim 1, characterized in that: The adjusting the power generation power of the generator according to the current SOC value and the average current value comprises: Determine a current power generation level adjustment amount of the generator according to the current SOC value and the average current value; Determining the current power generation power of the generator according to the current power generation level adjustment amount, the preset reference level power and the power generation power of the generator at the last moment; The generator is controlled to operate at the current generated power.

3. The power generation control method according to claim 2, characterized in that: The step of determining the current power generation level adjustment amount of the generator according to the current SOC value and the average current value comprises: Determining the SOC interval and the current interval in which the current SOC value and the average current value are respectively located, wherein the current interval is one of preset current intervals divided based on the maximum charging current value and the maximum discharging current value of the power battery; Traversing the power generation level adjustment table to obtain a preset power generation level adjustment amount matching the SOC interval and the current interval; The matched preset power generation level adjustment amount is determined as the current power generation level adjustment amount.

4. The power generation control method according to claim 3, characterized in that: The power generation level adjustment table is used to characterize the relationship between any preset current interval and any preset SOC interval and the preset power generation level adjustment amount, wherein the preset current interval includes at least one charging current value interval, a zero current interval and at least one discharge current value interval, and the preset power generation level adjustment amount includes a preset power generation level increase amount and a preset power generation level decrease amount. The larger the charging current value interval and the larger the SOC, the larger the corresponding preset power generation level decrease amount. The larger the discharge current value interval and the smaller the SOC, the larger the corresponding preset SOC interval. The smaller the SOC in the zero current interval, the larger the corresponding preset power generation level increase amount.

5. The power generation control method according to claim 1, characterized in that: The determining the power generation power of the generator at the current moment according to the current power generation level adjustment amount, the preset reference level power and the power generation power of the generator at the previous moment comprises: Determining an adjustment power for the generator according to the current power generation level adjustment amount and the preset reference level power; The power generation power of the generator at the current moment is determined according to the adjusted power and the power generation power of the generator at the previous moment.

6. The power generation control method according to claim 5, characterized in that: The step of determining the adjusted power for the generator according to the current power generation level adjustment amount and the preset reference level power includes: The product of the current power generation level adjustment amount and the preset reference level power is determined as the adjustment power.

7. The power generation control method according to claim 5, characterized in that: The determining the current power generation of the generator according to the adjusted power and the power generation of the generator at the last moment comprises: The sum of the adjustment power and the power generated by the generator at the last moment is determined as the current power generated.

8. A power generation control device, characterized in that: The device comprises: a memory configured to store instructions; A controller is configured to call the instructions from the memory and implement the power generation control method according to any one of claims 1 to 7 when executing the instructions.

9. A machine-readable storage medium having instructions stored thereon, characterized in that: When the instruction is executed by a processor, the processor is configured to execute the power generation control method according to any one of claims 1 to 7.

10. A vehicle, characterized in that: include: Power batteries, used to store electrical energy; A current sensor, mounted on the positive electrode or negative electrode of the power battery, for detecting the charge and discharge current of the power battery; An engine, used to drive a generator to generate electricity; Generators, used to provide electrical energy; at least one drive motor for consuming electrical energy; The power generation control device according to claim 8.

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