CN114248784B - Data processing method and system for engine torque conversion - Google Patents
Data processing method and system for engine torque conversion Download PDFInfo
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- CN114248784B CN114248784B CN202111446450.XA CN202111446450A CN114248784B CN 114248784 B CN114248784 B CN 114248784B CN 202111446450 A CN202111446450 A CN 202111446450A CN 114248784 B CN114248784 B CN 114248784B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0001—Details of the control system
- B60W2050/0002—Automatic control, details of type of controller or control system architecture
- B60W2050/0004—In digital systems, e.g. discrete-time systems involving sampling
- B60W2050/0005—Processor details or data handling, e.g. memory registers or chip architecture
Abstract
The invention discloses a data processing method and a system for engine torque conversion, wherein the method comprises the following steps: acquiring dynamic calculation boundary parameters of data processing, wherein the dynamic calculation boundary parameters are basic attribute parameters of an automobile, and at least comprise basic attribute parameters of an engine and a gearbox; according to basic attribute parameters of the automobile, calculating the attaching traction and running resistance of the automobile under various working conditions, and calculating the driving force of the automobile according to the attaching traction and the running resistance of the automobile; acquiring speed ratio information of the gearbox in each gear according to basic attribute parameters of the gearbox; according to the driving force of the automobile and the speed ratio of the gearbox in each gear, the acceleration capacity of the traction force reserve in each gear is calculated, and the power reserve and the torque reserve of the engine in each gear are calculated. The invention aims to calculate the torque conversion of the engine, ensure that the matching state of the engine and the gearbox is at a better level, and improve the driving experience of a user.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a data processing method and system for engine torque conversion.
Background
For performance calibration of a powertrain of a fuel vehicle, the matching of the engine and the gearbox must take into account other parameters of the vehicle, such as the weight of the vehicle, the size of the vehicle, the chassis and drive system configuration, the usual driving conditions, etc.
In some cases, even with the same powertrain, it may perform well on one vehicle model, but perform poorly on another vehicle model. Therefore, the degree of matching of the engine and the gearbox directly affects the overall performance phenotype of the automobile. Therefore, data processing of engine torque conversion has been one of the research directions of those skilled in the art.
Disclosure of Invention
Based on the above, the invention aims to provide a data processing method and a system for engine torque conversion, which aim to calculate the engine torque conversion and can ensure that the matching state of an engine and a gearbox is at a better level, thereby improving the driving experience of a user.
A first aspect of the present invention is to provide a data processing method of engine torque conversion, the method comprising:
acquiring dynamic calculation boundary parameters of data processing, wherein the dynamic calculation boundary parameters are basic attribute parameters of an automobile and at least comprise basic attribute parameters of an engine and a gearbox;
according to the basic attribute parameters of the automobile, calculating the attaching traction force and the running resistance of the automobile under various working conditions, and calculating the driving force of the automobile according to the attaching traction force and the running resistance of the automobile;
acquiring speed ratio information of the gearbox in each gear according to basic attribute parameters of the gearbox;
and calculating the acceleration capacity of traction force reserve in each gear according to the driving force of the automobile and the speed ratio of the gearbox in each gear, and calculating the power reserve and the torque reserve of the engine in each gear.
According to an aspect of the foregoing technical solution, the dynamic computing boundary parameter further includes:
the automobile comprises a preparation mass, a full load mass, a windward area, a windward resistance coefficient, a tire dynamic radius, a friction coefficient, a steady-state dynamic parameter of the whole automobile, a transient dynamic parameter or acceleration characteristic of the whole automobile, a rolling radius, a rolling resistance coefficient, a power system transmission efficiency, a whole automobile economical parameter, a gravity acceleration and a performance index, wherein the performance index comprises a maximum automobile speed, a maximum climbing gradient, a maximum climbing automobile speed, 0-50km/h acceleration time and 0-100km/h acceleration time.
According to an aspect of the above technical solution, the calculation formulas of the traction force, the vehicle speed and the maximum traction force reserve are respectively:
wherein: f is traction force, T is engine torque, R is road resistance, i ttl Is the total speed ratio R dyn Is the dynamic radius eta of the tyre ttl Is the total transmission efficiency delta F reserve For maximum traction reserve, m is vehicle weight, f is coefficient of friction, α is slope angle, cd is wind drag coefficient, ρair is air density.
According to an aspect of the above technical solution, the calculation formula of the road resistance is:
wherein: m is the vehicle weight, f is the friction coefficient, alpha is the gradient angle, cd is the windage coefficient, ρair is the air density.
According to an aspect of the above technical solution, the calculation formula of the attack slope angle is:
α＝Sin -1 (ΔF reserve /mg)
a＝ΔF reserve /(ξ×m)。
a second aspect of the present invention is to provide a data processing system for engine torque conversion, the system comprising:
the attribute parameter acquisition module is used for acquiring dynamic calculation boundary parameters of data processing, wherein the dynamic calculation boundary parameters are basic attribute parameters of an automobile and at least comprise basic attribute parameters of an engine and a gearbox;
the first processing module is used for calculating the attaching traction force and the running resistance of the automobile under various working conditions according to the basic attribute parameters of the automobile, and calculating the driving force of the automobile according to the attaching traction force and the running resistance of the automobile;
the speed ratio information acquisition module is used for acquiring speed ratio information of the gearbox in each gear according to basic attribute parameters of the gearbox;
and the second processing module is used for calculating the acceleration capacity of the traction force reserve in each gear according to the driving force of the automobile and the speed ratio of the gearbox in each gear, and calculating the power reserve and the torque reserve of the engine in each gear.
According to an aspect of the foregoing technical solution, the first processing module is configured to calculate a traction force, a vehicle speed, and a maximum traction force reserve, where calculation formulas of the traction force, the vehicle speed, and the maximum traction force reserve are respectively:
wherein: f is traction force, T is engine torque, R is road resistance, i ttl Is the total speed ratio R dyn Is the dynamic radius eta of the tyre ttl Is the total transmission efficiency delta F reserve For maximum traction reserve, m is vehicle weight, f is coefficient of friction, α is slope angle, cd is wind drag coefficient, ρair is air density.
According to an aspect of the foregoing technical solution, the first processing module is further configured to calculate a road resistance, where a calculation formula of the road resistance is:
wherein: m is the vehicle weight, f is the friction coefficient, alpha is the gradient angle, cd is the windage coefficient, ρair is the air density.
A third aspect of the present invention is to provide a computer readable storage medium having stored thereon computer instructions which, when executed by a processor, perform the steps of the data processing method of engine torque conversion described above.
A third aspect of the present invention is to provide a computer apparatus comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the data processing method of engine torque conversion described above when executing the program.
Compared with the prior art, the data processing method and system for engine torque conversion have the beneficial effects that: the boundary parameters are calculated through determining the dynamic property of data processing, the speed ratio information of the gearbox is obtained, the attaching traction force and the running resistance of the automobile under various working conditions are calculated according to the basic attribute parameters of the automobile, the driving force of the automobile is calculated according to the attaching traction force and the running resistance of the automobile, the acceleration capacity of the traction force reserve in each gear is calculated according to the driving force of the automobile and the speed ratio of the gearbox in each gear, the power reserve and the torque reserve of the engine in each gear are calculated, and after the torque conversion of the engine is calculated, the matching state of the engine and the gearbox can be guaranteed to be in a better level, so that the driving experience of a user is improved.
Drawings
FIG. 1 is a flow chart of a data processing method of engine torque conversion in a first embodiment of the present invention;
FIG. 2 is a diagram showing the relationship between the vehicle speed and the driving force in each gear according to the second embodiment of the present invention;
FIG. 3 is a block diagram of a data processing system for engine torque conversion in a third embodiment of the present invention;
the following detailed description will further illustrate the invention with reference to the above-described drawings.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Several embodiments of the invention are presented in the figures. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
Referring to fig. 1, a first embodiment of the present invention provides a data processing method for engine torque conversion, the method including steps S10-S40:
step S10, acquiring dynamic performance calculation boundary parameters of data processing, wherein the dynamic performance calculation boundary parameters are basic attribute parameters of an automobile, and at least comprise the basic attribute parameters of an engine and a gearbox;
wherein, the dynamic computing boundary parameters of the data processing, namely basic attribute parameters of the automobile, include but are not limited to: basic attribute parameters of an engine and a gearbox in the power assembly; and the vehicle's preparation quality, full load quality, windward area, windward resistance coefficient, tyre dynamic radius, friction coefficient, steady state dynamic parameter of the whole vehicle, transient dynamic parameter or accelerating characteristic of the whole vehicle, rolling radius, rolling resistance coefficient, power system transmission efficiency, whole vehicle economical parameter, gravity acceleration, performance index including maximum vehicle speed, maximum climbing gradient, maximum climbing vehicle speed, 0-50km/h accelerating time and 0-100km/h accelerating time.
Specifically, the dynamic calculation boundary parameter is input to a computer device, and the traction force, the running resistance, and the driving force of the vehicle are calculated based on the required parameters.
Step S20, calculating the attaching traction and the running resistance of the automobile under various working conditions according to the basic attribute parameters of the automobile, and calculating the driving force of the automobile according to the attaching traction and the running resistance of the automobile;
the whole vehicle driving power=vehicle speed v×traction force F required for overcoming road resistance;
vehicle speed v= (engine angular speed/total speed ratio) tire dynamic radius;
traction force f= (engine torque T total gear ratio total transmission efficiency)/tire dynamic radius;
maximum traction reserve Δf reserve Traction force F-trackRoad resistance R.
Step S30, acquiring speed ratio information of the gearbox in each gear according to basic attribute parameters of the gearbox;
according to basic attribute parameters of the gearbox, gear information of the gearbox can be obtained, so that specific gear number of the gearbox and speed ratio information of each gear can be determined according to the gear information of the gearbox, the speed ratio information of the gearbox is input into computer equipment through obtaining the speed ratio information of the gearbox, and calculation of engine torque conversion is participated.
Step S40, calculating acceleration capacity of traction force reserve in each gear according to the driving force of the automobile and the speed ratio of the gearbox in each gear, and calculating power reserve and torque reserve of the engine in each gear.
Specifically, the processed dynamic performance calculation boundary parameters are read, parameters required for calculation are input into a data processing interface of computer equipment, acceleration capacity of each gear given by traction storage of the whole vehicle is obtained, power storage and torque storage of the engine in each gear are calculated, and dynamic performance calculation of matching of the engine and the whole vehicle is completed.
Compared with the prior art, the data processing method for engine torque conversion shown in the embodiment has the beneficial effects that: the boundary parameters are calculated through determining the dynamic property of data processing, the speed ratio information of the gearbox is obtained, the attaching traction force and the running resistance of the automobile under various working conditions are calculated according to the basic attribute parameters of the automobile, the driving force of the automobile is calculated according to the attaching traction force and the running resistance of the automobile, the acceleration capacity of the traction force reserve in each gear is calculated according to the driving force of the automobile and the speed ratio of the gearbox in each gear, the power reserve and the torque reserve of the engine in each gear are calculated, and after the torque conversion of the engine is calculated, the matching state of the engine and the gearbox can be guaranteed to be in a better level, so that the driving experience of a user is improved.
Example two
A second embodiment of the present invention provides a data processing method for engine torque conversion, and the method is as shown in the second embodiment of the present invention:
specifically, in this embodiment, the calculation formulas of the traction force, the vehicle speed and the maximum traction force reserve are respectively:
wherein: f is traction force, T is engine torque, R is road resistance, i ttl Is the total speed ratio R dyn Is the dynamic radius eta of the tyre ttl Is the total transmission efficiency delta F reserve For maximum traction reserve, m is vehicle weight, f is coefficient of friction, α is slope angle, cd is wind drag coefficient, ρair is air density.
In this embodiment, the calculation formula of the road resistance is:
wherein: m is the vehicle weight, f is the friction coefficient, alpha is the gradient angle, cd is the windage coefficient, ρair is the air density.
In this embodiment, the calculation formula of the attack slope angle is:
α＝sin -1 (ΔF reserve /mg)
a＝ΔF reserve /(ξ×m)。
by calculating through the formula, the power reserve and the torque reserve of the engine in each gear can be obtained quickly, so that the matching state of the engine and the gearbox is calibrated effectively, and the driving experience of a user is improved.
In this embodiment. The torque and power range of the engine must be known first when matching the gearbox, and it should be ensured that, under any operating conditions, the maximum power and torque of the engine must be comparable to the operating power and torque of the gearbox to avoid under-design or over-design.
With reference to fig. 2, the gear ratios of the transmission must have a well-matched design, and the torque of the transmission cannot exceed the maximum torque of the transmission under any working condition. The speed ratio design of the gearbox must be performance targeted at earlier development: either fuel economy, power, or both.
When the gearbox is shifted, there must be sufficient engine torque and power to support the driver's intention to travel. For example, when preparing for a ride-through, the engine may have sufficient torque (or torque margin) to support after a shift.
In this embodiment, the performance of the power assembly is calibrated, and the engine and the gearbox should be calibrated at the same time to achieve the best performance of the whole vehicle.
Example III
Referring to FIG. 3, a third embodiment of the present invention provides a data processing system for engine torque conversion, the system comprising:
the attribute parameter obtaining module 10 is configured to obtain dynamic performance calculation boundary parameters of data processing, where the dynamic performance calculation boundary parameters are basic attribute parameters of an automobile, and at least include obtaining basic attribute parameters of an engine and a gearbox;
wherein, the dynamic computing boundary parameters of the data processing, namely basic attribute parameters of the automobile, include but are not limited to: basic attribute parameters of an engine and a gearbox in the power assembly; and the vehicle's preparation quality, full load quality, windward area, windward resistance coefficient, tyre dynamic radius, friction coefficient, steady state dynamic parameter of the whole vehicle, transient dynamic parameter or accelerating characteristic of the whole vehicle, rolling radius, rolling resistance coefficient, power system transmission efficiency, whole vehicle economical parameter, gravity acceleration, performance index including maximum vehicle speed, maximum climbing gradient, maximum climbing vehicle speed, 0-50km/h accelerating time and 0-100km/h accelerating time.
Specifically, the dynamic calculation boundary parameter is input to a computer device, and the traction force, the running resistance, and the driving force of the vehicle are calculated based on the required parameters.
The first processing module 20 is configured to calculate an adhesion traction force and a running resistance of the automobile under various working conditions according to basic attribute parameters of the automobile, and calculate a driving force of the automobile according to the adhesion traction force and the running resistance of the automobile;
the whole vehicle driving power=vehicle speed v×traction force F required for overcoming road resistance;
vehicle speed v= (engine angular speed/total speed ratio) tire dynamic radius;
traction force f= (engine torque T total gear ratio total transmission efficiency)/tire dynamic radius;
maximum traction reserve Δf reserve Traction force F-road resistance R.
The speed ratio information acquisition module 30 is used for acquiring speed ratio information of the gearbox in each gear according to basic attribute parameters of the gearbox;
according to basic attribute parameters of the gearbox, gear information of the gearbox can be obtained, so that specific gear number of the gearbox and speed ratio information of each gear can be determined according to the gear information of the gearbox, the speed ratio information of the gearbox is input into computer equipment through obtaining the speed ratio information of the gearbox, and calculation of engine torque conversion is participated.
The second processing module 40 is configured to calculate an acceleration capability of the traction force reserve in each gear according to a driving force of the automobile and a speed ratio of the transmission in each gear, and calculate a power reserve and a torque reserve of the engine in each gear.
Specifically, the processed dynamic performance calculation boundary parameters are read, parameters required for calculation are input into a data processing interface of computer equipment, acceleration capacity of each gear given by traction storage of the whole vehicle is obtained, power storage and torque storage of the engine in each gear are calculated, and dynamic performance calculation of matching of the engine and the whole vehicle is completed.
In this embodiment, the first processing module is configured to calculate a traction force, a vehicle speed, and a maximum traction force reserve, where calculation formulas of the traction force, the vehicle speed, and the maximum traction force reserve are respectively:
wherein: f is traction force, T is engine torque, R is road resistance, i ttl Is the total speed ratio R dyn Is the dynamic radius eta of the tyre ttl Is the total transmission efficiency delta F reserve For maximum traction reserve, m is vehicle weight, f is coefficient of friction, α is slope angle, cd is wind drag coefficient, ρair is air density.
Further, the first processing module is further configured to calculate a road resistance, where a calculation formula of the road resistance is:
wherein: m is the vehicle weight, f is the friction coefficient, alpha is the gradient angle, cd is the windage coefficient, ρair is the air density.
Compared with the prior art, the data processing system for converting the engine torque shown in the embodiment has the beneficial effects that: the boundary parameters are calculated through determining the dynamic property of data processing, the speed ratio information of the gearbox is obtained, the attaching traction force and the running resistance of the automobile under various working conditions are calculated according to the basic attribute parameters of the automobile, the driving force of the automobile is calculated according to the attaching traction force and the running resistance of the automobile, the acceleration capacity of the traction force reserve in each gear is calculated according to the driving force of the automobile and the speed ratio of the gearbox in each gear, the power reserve and the torque reserve of the engine in each gear are calculated, and after the torque conversion of the engine is calculated, the matching state of the engine and the gearbox can be guaranteed to be in a better level, so that the driving experience of a user is improved.
Example IV
A fourth embodiment of the present invention provides a computer-readable storage medium having stored thereon computer instructions which, when executed by a processor, perform the steps of the data processing method of engine torque conversion of the above-described embodiment.
Example five
A fifth embodiment of the present invention provides a computer apparatus including a memory, a processor, and a computer program stored on the memory and executable on the processor, the processor implementing the data processing method of engine torque conversion in the above embodiments when executing the program.
Those of skill in the art will appreciate that the logic and/or steps represented in the flow diagrams or otherwise described herein, e.g., a ordered listing of executable instructions for implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). In addition, the computer readable medium may even be paper or other suitable medium on which the program is printed, as the program may be electronically captured, via, for instance, optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner, if necessary, and then stored in a computer memory.
It is to be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A method of data processing for engine torque conversion, the method comprising:
acquiring dynamic calculation boundary parameters of data processing, wherein the dynamic calculation boundary parameters are basic attribute parameters of an automobile and at least comprise basic attribute parameters of an engine and a gearbox;
according to the basic attribute parameters of the automobile, calculating the attaching traction force and the running resistance of the automobile under various working conditions, and calculating the driving force of the automobile according to the attaching traction force and the running resistance of the automobile;
acquiring speed ratio information of the gearbox in each gear according to basic attribute parameters of the gearbox;
and calculating the acceleration capacity of traction force reserve in each gear according to the driving force of the automobile and the speed ratio of the gearbox in each gear, and calculating the power reserve and the torque reserve of the engine in each gear.
2. The engine torque conversion data processing method according to claim 1, characterized in that the dynamic calculation boundary parameters further include:
the automobile comprises a preparation mass, a full load mass, a windward area, a windward resistance coefficient, a tire dynamic radius, a friction coefficient, a steady-state dynamic parameter of the whole automobile, a transient dynamic parameter or acceleration characteristic of the whole automobile, a rolling radius, a rolling resistance coefficient, a power system transmission efficiency, a whole automobile economical parameter, a gravity acceleration and a performance index, wherein the performance index comprises a maximum automobile speed, a maximum climbing gradient, a maximum climbing automobile speed, 0-50km/h acceleration time and 0-100km/h acceleration time.
3. The data processing method for engine torque conversion according to claim 1, wherein the calculation formulas of the traction force, the vehicle speed and the maximum traction force reserve are respectively:
wherein: f is traction force, T is engine torque, R is road resistance, i ttl Is the total speed ratio R dyn Is the dynamic radius eta of the tyre ttl Is the total transmission efficiency delta F reserve For maximum traction reserve, m is vehicle weight, f is coefficient of friction, α is slope angle, cd is wind drag coefficient, ρair is air density.
4. The data processing method for engine torque conversion according to claim 3, wherein the calculation formula of the road resistance is:
wherein: m is the vehicle weight, f is the friction coefficient, alpha is the gradient angle, cd is the windage coefficient, ρair is the air density.
5. The data processing method for engine torque conversion according to claim 4, wherein the calculation formula of the attack angle is:
α＝sin -1 (ΔF reserve /mg)
a＝ΔF reserve /(ξ×m)。
6. a data processing system for engine torque conversion, the system comprising:
the attribute parameter acquisition module is used for acquiring dynamic calculation boundary parameters of data processing, wherein the dynamic calculation boundary parameters are basic attribute parameters of an automobile and at least comprise basic attribute parameters of an engine and a gearbox;
the first processing module is used for calculating the attaching traction force and the running resistance of the automobile under various working conditions according to the basic attribute parameters of the automobile, and calculating the driving force of the automobile according to the attaching traction force and the running resistance of the automobile;
the speed ratio information acquisition module is used for acquiring speed ratio information of the gearbox in each gear according to basic attribute parameters of the gearbox;
and the second processing module is used for calculating the acceleration capacity of the traction force reserve in each gear according to the driving force of the automobile and the speed ratio of the gearbox in each gear, and calculating the power reserve and the torque reserve of the engine in each gear.
7. The engine torque conversion data processing system of claim 6, wherein the first processing module is configured to calculate a traction force, a vehicle speed, and a maximum traction force reserve, wherein the traction force, the vehicle speed, and the maximum traction force reserve are calculated by the following formulas:
wherein: f is traction force, T is engine torque, R is road resistance, i ttl Is the total speed ratio R dyn Is the dynamic radius eta of the tyre ttl Is the total transmission efficiency delta F reserve For maximum traction reserve, m is vehicle weight, f is coefficient of friction, α is slope angle, cd is wind drag coefficient, ρair is air density.
8. The engine torque conversion data processing system of claim 7, wherein the first processing module is further configured to calculate a road resistance, wherein the road resistance is calculated as:
wherein: m is the vehicle weight, f is the friction coefficient, alpha is the gradient angle, cd is the windage coefficient, ρair is the air density.
9. A computer readable storage medium having stored thereon computer instructions, which when executed by a processor, implement the steps of the method of any of claims 1-5.
10. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of any of claims 1-5 when the program is executed by the processor.
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