Driving analysis method, system, electronic device and engineering device

Abstract

This invention provides a driving analysis method, system, electronic device, and engineering equipment, belonging to the field of driving analysis. The driving analysis method includes: acquiring the engine speed within a target road segment and acquiring the engine torque corresponding to the engine speed; determining the specific fuel consumption weight and theoretical specific fuel consumption based on the engine speed and engine torque; determining the actual specific fuel consumption based on the specific fuel consumption weight and theoretical specific fuel consumption; integrating the actual specific fuel consumption to obtain the average specific fuel consumption within the target road segment; and determining that the engine is not operating within the economic range when the average specific fuel consumption exceeds a set threshold, and providing driving suggestions based on the economic range. This invention can reduce fuel consumption by analyzing the driving process and providing driving suggestions based on the engine's economic range when the vehicle engine is not operating within it.

Description

Technical Field

[0001] This invention relates to the field of driving analysis technology, and in particular to a driving analysis method, system, electronic device, and engineering device. Background Technology

[0002] In recent years, drivers have frequently reported high fuel consumption in their vehicles. However, research indicates that the majority of these issues stem from engines not operating within their optimal fuel-efficient range. Because drivers have varying driving habits, and there is no standardized method to quantify these habits, there is currently no solution to address this problem. Summary of the Invention

[0003] This invention provides a driving analysis method, system, electronic device, and engineering equipment to solve the problem of excessive fuel consumption caused by the engine not operating within the economic range in the prior art. By analyzing the driver's driving process and providing driving suggestions, fuel consumption can be reduced.

[0004] This invention provides a driving analysis method, comprising:

[0005] Obtain the engine speed within the target road segment, and obtain the engine torque corresponding to the engine speed;

[0006] The specific fuel consumption weight and theoretical specific fuel consumption are determined based on the engine speed and the engine torque.

[0007] The actual specific fuel consumption is determined based on the specific fuel consumption weight and the theoretical specific fuel consumption.

[0008] Integrating the actual specific fuel consumption yields the average specific fuel consumption within the target road segment;

[0009] When the average fuel consumption is greater than a set threshold, it is determined that the engine is not operating in the economic range, and driving suggestions are given based on the economic range.

[0010] Optionally, obtaining the engine speed within the target road segment and the engine torque corresponding to the engine speed includes:

[0011] Determine the accelerator pedal opening and vehicle speed within the target road segment;

[0012] When the accelerator pedal opening and vehicle speed are not both 0, the engine speed and the corresponding engine torque are obtained.

[0013] Optionally, determining the actual specific fuel consumption based on the specific fuel consumption weight and the theoretical specific fuel consumption includes:

[0014] The actual specific fuel consumption is determined by multiplying the specific fuel consumption weight and the theoretical specific fuel consumption.

[0015] Optionally, the theoretical specific fuel consumption is determined based on the engine speed and the engine torque, including:

[0016] Based on the engine speed and the engine torque, the engine universal characteristic diagram is consulted to determine the theoretical specific fuel consumption.

[0017] Optionally, determining the specific fuel consumption weight based on the engine speed and the engine torque includes:

[0018] Obtain the engine's rated internal torque;

[0019] The actual torque percentage of the engine is determined based on the engine's internal torque and the engine's rated internal torque.

[0020] The fuel consumption weight is determined based on the actual percentage of engine torque and engine speed.

[0021] Optionally, the set threshold is determined based on engine attributes.

[0022] The present invention also provides a driving analysis system, comprising:

[0023] The data acquisition module is used to acquire the engine speed within the target road segment and the engine torque corresponding to the engine speed.

[0024] The specific fuel consumption weight and theoretical specific fuel consumption determination module is used to determine the specific fuel consumption weight and theoretical specific fuel consumption based on the engine speed and the engine torque;

[0025] The actual specific fuel consumption determination module is used to determine the actual specific fuel consumption based on the specific fuel consumption weight and the theoretical specific fuel consumption.

[0026] The average specific fuel consumption calculation module is used to integrate the actual specific fuel consumption to obtain the average specific fuel consumption within the target road segment;

[0027] The driving analysis module is used to determine that the engine is not operating in the economic range when the average specific fuel consumption is greater than a set threshold, and to provide driving suggestions based on the economic range.

[0028] Optionally, it also includes:

[0029] The driving suggestion display module is used to display the economic range when the engine is not running in the economic range, and to prompt the driver to drive in the economic range.

[0030] The present invention also provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement the driving analysis method described above.

[0031] The present invention also provides an engineering device, including the driving analysis system or the electronic device described above.

[0032] This invention provides a driving analysis method, system, electronic device, and engineering equipment. It acquires the engine speed within a target road segment and the corresponding engine torque. Based on the engine speed and engine torque, it determines a specific fuel consumption weight and a theoretical specific fuel consumption. Based on the specific fuel consumption weight and the theoretical specific fuel consumption, it determines the actual specific fuel consumption. It integrates the actual specific fuel consumption to obtain the average specific fuel consumption within the target road segment. When the average specific fuel consumption exceeds a set threshold, it determines that the engine is not operating within the economic range and provides driving suggestions based on the economic range. In other words, this invention can analyze the driving process to determine the driver's driving habits and, when the vehicle engine is not operating within the economic range, provide driving suggestions based on the engine's economic range, thereby reducing fuel consumption. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0034] Figure 1 This is a schematic diagram of the driving analysis method provided by the present invention;

[0035] Figure 2 This is a schematic diagram of the weighted table of fuel consumption provided by the present invention;

[0036] Figure 3 This is a schematic diagram of the universal characteristic diagram of the engine provided by the present invention;

[0037] Figure 4 This is a schematic diagram of the driving analysis system structure provided by the present invention;

[0038] Figure 5 This is a schematic diagram of the structure of the electronic device provided by the present invention. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0040] The following is combined Figures 1-5 The present invention describes a driving analysis method, system, electronic device, and engineering device.

[0041] Figure 1 This is a schematic diagram of the driving analysis method provided by the present invention; for example... Figure 1 As shown, a driving analysis method includes:

[0042] Step 101: Obtain the engine speed within the target road segment, and obtain the engine torque corresponding to the engine speed.

[0043] In one specific embodiment, engine speed refers to the number of times the crankshaft rotates per minute when the engine is running, and its unit is RPM (Revolutions per minute). Engine torque refers to the torque generated by the combustion of fuel within the engine.

[0044] In one specific embodiment, the engine speed within the target road segment is obtained via TBOX, and the corresponding engine torque is also obtained. It should be noted that other methods can also be used to obtain the engine speed within the target road segment and the corresponding engine torque; this invention does not impose any limitations.

[0045] In one specific embodiment, step 101 specifically includes:

[0046] Determine the accelerator pedal opening and vehicle speed within the target road segment. Accelerator pedal opening indicates the degree to which the accelerator is depressed, controlling the engine's output power; adjusting the accelerator pedal opening regulates the engine's torque output. Vehicle speed refers to the distance traveled by the vehicle per unit of time, usually expressed in km / h (kilometers per hour).

[0047] When the accelerator pedal opening and vehicle speed are not both 0, the engine speed and the corresponding engine torque are obtained. Since the vehicle is stationary when both the accelerator pedal opening and vehicle speed are 0, the data at this time is irrelevant to driving but will affect the final driving analysis results. Therefore, to ensure the accuracy of the driving analysis results, this invention will discard the engine speed and corresponding engine torque when both the accelerator pedal opening and vehicle speed are 0; that is, only the engine speed and corresponding engine torque under driving conditions will be retained.

[0048] In one specific embodiment, the accelerator pedal opening and vehicle speed within the target road segment are determined by other means through TBOX, and the present invention does not impose any limitations.

[0049] Step 102: Determine the specific fuel consumption weight and theoretical specific fuel consumption based on the engine speed and the engine torque.

[0050] In one specific embodiment, determining the specific fuel consumption weight based on the engine speed and the engine torque includes:

[0051] Obtain the engine's rated internal torque; determine the engine's actual torque percentage based on the engine's internal torque and rated internal torque; determine the specific fuel consumption weight based on the engine's actual torque percentage and engine speed.

[0052] In one specific embodiment, the table of weights based on fuel consumption is as follows: Figure 2 As shown, the present invention can determine the specific fuel consumption weight by looking up a table, wherein the relationship between engine speed, engine actual torque percentage and specific fuel consumption weight in the table is pre-stored in the vehicle.

[0053] In a specific embodiment, such as Figure 2 The table described is based on historical data. The horizontal axis represents engine speed, and the vertical axis represents the percentage of actual engine torque. For example, within 100 seconds, TBOX collected 1000 engine speeds and the corresponding engine torque for each speed. Among these 1000 data points, there were three instances where the engine speed was 800 RPM and the actual engine torque percentage was 10%. Therefore, the corresponding data points are... Figure 2 In this context, the specific fuel consumption weight at this point is 0.3%, therefore... Figure 2 The sum of all weighted values ​​for fuel consumption on the horizontal and vertical axes is 1. It should be noted that... Figure 2 This is merely a schematic diagram of the present invention. Figure 2 The system can also be configured with more precise scales for the horizontal and vertical axes, depending on the requirements.

[0054] In one specific embodiment, determining the theoretical specific fuel consumption based on the engine speed and the engine torque includes:

[0055] Based on the engine speed and the engine torque, the engine universal characteristic diagram is consulted to determine the theoretical specific fuel consumption.

[0056] In one specific embodiment, the engine universal characteristic diagram is as follows: Figure 3 As shown, the engine universal characteristic diagram, also known as the engine specific fuel consumption universal characteristic MAP, refers to the ratio of fuel quantity to work done by the engine under various loads and speeds. Figure 3 The horizontal axis represents engine speed, and the vertical axis represents engine torque. This table data is pre-stored in the vehicle and can be retrieved directly when needed.

[0057] Step 103: Determine the actual specific fuel consumption based on the specific fuel consumption weight and the theoretical specific fuel consumption.

[0058] In one specific embodiment, the actual specific fuel consumption is determined based on the product of the specific fuel consumption weight and the theoretical specific fuel consumption.

[0059] Step 104: Integrate the actual specific fuel consumption to obtain the average specific fuel consumption within the target road segment.

[0060] In one specific embodiment, the average specific fuel consumption within the target road segment is obtained by integrating the actual specific fuel consumption over a time scale. Here, average specific fuel consumption refers to the ratio of fuel consumed by the vehicle to the work done during driving, typically expressed in g / kWh (grams per kilowatt-hour). Time refers to the driving time on the target road segment (excluding the time when both the accelerator pedal opening and vehicle speed are at 0). This invention calculates the average specific fuel consumption within the target road segment based on integration, making driving analysis data-driven, more intuitive, and more accurate.

[0061] Step 105: When the average specific fuel consumption is greater than the set threshold, it is determined that the engine is not operating in the economic range, and driving suggestions are given based on the economic range.

[0062] In one specific embodiment, the threshold value is determined based on engine attributes and provided by the engine manufacturer. When the engine is not operating within its economic range, an economic range indicator will be displayed, and the driver will be advised to drive within that range.

[0063] In one specific embodiment, determining the set threshold based on engine attributes includes: since the set threshold is related to the universal MAP of engine specific fuel consumption, the set threshold can be determined based on the universal MAP of engine specific fuel consumption. Alternatively, the set threshold can also be determined based on historical average data of the engine's average specific fuel consumption collected by the TBOX. For example, by analyzing and summarizing the average specific fuel consumption data from 1000 vehicles equipped with this engine, 66% can be set as the set threshold.

[0064] In one specific embodiment, driving recommendations include, but are not limited to, the following:

[0065] 1. Remind drivers to keep the engine running in the economic range (e.g., 1000 to 1500 RPM) while driving, so that the operating point is as close as possible to the point where the actual fuel consumption is lower than the actual fuel consumption.

[0066] 2. Remind drivers to keep the accelerator and vehicle speed as stable as possible while driving, for example, to control the rate of change of accelerator and vehicle speed within a certain threshold.

[0067] 3. When a traffic light or a need to slow down is detected ahead, the driver should be advised not to suddenly accelerate and then brake to a stop. For example, the driver can coast through the traffic light or other situations requiring slowing down. In short, the number of braking incidents should be reduced to minimize unnecessary waste of vehicle energy.

[0068] This invention can analyze the driving process to determine the driver's driving habits, and when the vehicle engine is not operating within the economic range, it can provide targeted driving improvement suggestions based on the engine's economic range, thereby reducing fuel consumption and achieving the goal of saving fuel and protecting the environment.

[0069] The driving analysis system provided by the present invention is described below. The driving analysis system described below can be referred to in correspondence with the driving analysis method described above.

[0070] Figure 4 This is a schematic diagram of the driving analysis system structure provided by the present invention; as shown below. Figure 4 As shown, a driving analysis system includes:

[0071] The data acquisition module 401 is used to acquire the engine speed within the target road segment and the engine torque corresponding to the engine speed.

[0072] The specific fuel consumption weight and theoretical specific fuel consumption determination module 402 is used to determine the specific fuel consumption weight and theoretical specific fuel consumption based on the engine speed and the engine torque.

[0073] The actual specific fuel consumption determination module 403 is used to determine the actual specific fuel consumption based on the specific fuel consumption weight and the theoretical specific fuel consumption.

[0074] The average specific fuel consumption calculation module 404 is used to integrate the actual specific fuel consumption to obtain the average specific fuel consumption within the target road segment.

[0075] The driving analysis module 405 is used to determine that the engine is not operating in the economic range when the average specific fuel consumption is greater than a set threshold, and to provide driving suggestions based on the economic range.

[0076] In one specific embodiment, the driving analysis system further includes a driving suggestion display module, used to display the economic range when the engine is not running in the economic range, and prompt the driver to drive in the economic range.

[0077] Figure 5 An example is a schematic diagram of the physical structure of an electronic device, such as... Figure 5As shown, the electronic device may include: a processor 510, a communications interface 520, a memory 530, and a communication bus 540, wherein the processor 510, the communications interface 520, and the memory 530 communicate with each other via the communication bus 540. The processor 510 can call logical instructions in the memory 530 to execute driving analysis methods, including:

[0078] Obtain the engine speed within the target road segment, and obtain the engine torque corresponding to the engine speed.

[0079] The specific fuel consumption weight and theoretical specific fuel consumption are determined based on the engine speed and the engine torque.

[0080] The actual specific fuel consumption is determined based on the specific fuel consumption weight and the theoretical specific fuel consumption.

[0081] The average specific fuel consumption within the target road segment is obtained by integrating the actual specific fuel consumption.

[0082] When the average fuel consumption is greater than a set threshold, it is determined that the engine is not operating in the economic range, and driving suggestions are given based on the economic range.

[0083] Furthermore, the logical instructions in the aforementioned memory 530 can be implemented as software functional units and, when sold or used as independent products, can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, essentially, or the part that contributes to the prior art, or a part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present invention. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0084] On the other hand, the present invention also provides a computer program product, the computer program product comprising a computer program that can be stored on a non-transitory computer-readable storage medium, wherein when the computer program is executed by a processor, the computer is capable of performing a driving analysis method, including:

[0085] Obtain the engine speed within the target road segment, and obtain the engine torque corresponding to the engine speed.

[0086] The specific fuel consumption weight and theoretical specific fuel consumption are determined based on the engine speed and the engine torque.

[0087] The actual specific fuel consumption is determined based on the specific fuel consumption weight and the theoretical specific fuel consumption.

[0088] The average specific fuel consumption within the target road segment is obtained by integrating the actual specific fuel consumption.

[0089] When the average fuel consumption is greater than a set threshold, it is determined that the engine is not operating in the economic range, and driving suggestions are given based on the economic range.

[0090] In another aspect, the present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, is implemented to perform a driving analysis method, including:

[0091] Obtain the engine speed within the target road segment, and obtain the engine torque corresponding to the engine speed.

[0092] The specific fuel consumption weight and theoretical specific fuel consumption are determined based on the engine speed and the engine torque.

[0093] The actual specific fuel consumption is determined based on the specific fuel consumption weight and the theoretical specific fuel consumption.

[0094] The average specific fuel consumption within the target road segment is obtained by integrating the actual specific fuel consumption.

[0095] When the average fuel consumption is greater than a set threshold, it is determined that the engine is not operating in the economic range, and driving suggestions are given based on the economic range.

[0096] The present invention also provides an engineering equipment, including the driving analysis system or the electronic equipment; wherein, the engineering equipment may include heavy trucks, trailers, excavators, roadheaders, bulldozers, road rollers and concrete pump trucks and other operating engineering equipment; or tower cranes, construction hoists and material hoists and other mechanical operating equipment.

[0097] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0098] Through the above description of the embodiments, those skilled in the art can clearly understand that each embodiment can be implemented by means of software plus necessary general-purpose hardware platforms, and of course, it can also be implemented by hardware. Based on this understanding, the above technical solutions, in essence or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, magnetic disk, optical disk, etc., and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute the methods described in the various embodiments or some parts of the embodiments.

[0099] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A driving analysis method, characterized in that, include: Obtain the engine speed within the target road segment, and the engine torque corresponding to the engine speed; The specific fuel consumption weight and theoretical specific fuel consumption are determined based on the engine speed and the engine internal torque, wherein the specific fuel consumption weight is determined based on the actual engine torque percentage and the engine speed, and the actual engine torque percentage is determined based on the engine internal torque and the engine rated internal torque; The actual specific fuel consumption is determined based on the specific fuel consumption weight and the theoretical specific fuel consumption. Integrating the actual specific fuel consumption yields the average specific fuel consumption within the target road segment; When the average fuel consumption is greater than a set threshold, it is determined that the engine is not operating in the economic range, and driving suggestions are given based on the economic range.

2. The driving analysis method according to claim 1, characterized in that, Obtaining the engine speed within the target road segment, and the corresponding engine torque, including: Determine the accelerator pedal opening and vehicle speed within the target road segment; When the accelerator pedal opening and vehicle speed are not both 0, the engine speed and the corresponding engine torque are obtained.

3. The driving analysis method according to claim 1 or 2, characterized in that, The actual specific fuel consumption is determined based on the specific fuel consumption weight and the theoretical specific fuel consumption, including: The actual specific fuel consumption is determined by multiplying the specific fuel consumption weight and the theoretical specific fuel consumption.

4. The driving analysis method according to claim 1 or 2, characterized in that, The theoretical specific fuel consumption is determined based on the engine speed and the engine torque, including: Based on the engine speed and the engine torque, the engine universal characteristic diagram is consulted to determine the theoretical specific fuel consumption.

5. The driving analysis method according to claim 1 or 2, characterized in that... Also includes: Obtain the rated internal torque of the engine.

6. The driving analysis method according to claim 1 or 2, characterized in that, The set threshold is determined based on engine properties.

7. A driving analysis system, characterized in that, include: The data acquisition module is used to acquire the engine speed within the target road segment and the engine torque corresponding to the engine speed. The specific fuel consumption weight and theoretical specific fuel consumption determination module is used to determine the specific fuel consumption weight and theoretical specific fuel consumption based on the engine speed and the engine internal torque, wherein the specific fuel consumption weight is determined based on the engine actual torque percentage and the engine speed, and the engine actual torque percentage is determined based on the engine internal torque and the engine rated internal torque; The actual specific fuel consumption determination module is used to determine the actual specific fuel consumption based on the specific fuel consumption weight and the theoretical specific fuel consumption. The average specific fuel consumption calculation module is used to integrate the actual specific fuel consumption to obtain the average specific fuel consumption within the target road segment; The driving analysis module is used to determine that the engine is not operating in the economic range when the average specific fuel consumption is greater than a set threshold, and to provide driving suggestions based on the economic range.

8. The driving analysis system according to claim 7, characterized in that, Also includes: The driving suggestion display module is used to display the economic range when the engine is not running in the economic range, and to prompt the driver to drive in the economic range.

9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that, When the processor executes the program, it implements the driving analysis method as described in any one of claims 1 to 6.

10. An engineering device, characterized in that, This includes the driving analysis system as described in claim 7 or 8, or the electronic device as described in claim 9.

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