CN114312805A - Fuel consumption rate acquisition method and device, computer equipment and storage medium - Google Patents
Fuel consumption rate acquisition method and device, computer equipment and storage medium Download PDFInfo
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Abstract
The present application relates to a fuel consumption rate acquisition method, apparatus, computer device, storage medium, and computer program product. The method comprises the following steps: determining the rotating speed of an engine according to vehicle operation information, wherein the vehicle operation information comprises a vehicle speed, a transmission gear ratio, a main speed reducer gear ratio and a wheel radius; determining the driving resisting moment of the whole vehicle according to the mass change rate; determining the actual output torque of the water pump according to the rotating speed of the engine and the speed ratio of the power takeoff; determining the torque of an engine according to the driving resistance moment of the whole vehicle and the actual output torque of the water pump; and determining the fuel consumption rate according to the engine speed, the engine torque and the universal characteristic data of the engine. When the fuel consumption rate is determined, the influence of the mass change rate and the actual output torque of the water pump on the fuel consumption rate is comprehensively considered, so that the determined fuel consumption rate is closer to a true value on one hand.
Description
Technical Field
The present application relates to the field of sprinkler technology, and in particular, to a fuel consumption rate obtaining method, device, computer device, storage medium, and computer program product.
Background
The watering cart is mainly used for urban road washing, road surface dust fall, landscaping, factory and mining area dust fall and the like. Along with the increasing popularization of the PPP operation mode in the environmental sanitation market, the requirement of users on the fuel economy of the watering lorry is higher and higher, and how to establish a set of accurate and effective calculation method for the fuel consumption rate of the watering lorry is more and more important.
In the related art, the fuel consumption rate of the sprinkler is calculated by related simulation software. There is a problem in that the determined fuel consumption rate does not approach the true value.
Disclosure of Invention
In view of the above, it is desirable to provide a fuel consumption rate acquisition method, apparatus, computer device, computer readable storage medium, and computer program product capable of making a determined fuel consumption rate close to a true value in view of the above technical problems.
In a first aspect, the present application provides a fuel consumption rate obtaining method. The method comprises the following steps:
determining the rotating speed of an engine according to vehicle operation information, wherein the vehicle operation information comprises a vehicle speed, a transmission gear ratio, a main speed reducer gear ratio and a wheel radius;
determining the driving resisting moment of the whole vehicle according to the mass change rate;
determining the actual output torque of the water pump according to the rotating speed of the engine and the speed ratio of the power takeoff;
determining the torque of an engine according to the driving resistance moment of the whole vehicle and the actual output torque of the water pump;
and determining the fuel consumption rate according to the engine speed, the engine torque and the universal characteristic data of the engine.
In one embodiment, determining the vehicle running resistance torque according to the mass change rate comprises the following steps:
acquiring a first product between the mass change rate and the running time, calculating a difference value between the initial total mass of the whole vehicle and the first product, and taking the difference value as the current total mass of the whole vehicle, wherein the running time refers to the time between the starting moment of vehicle running and the moment of acquiring vehicle running information;
acquiring a second product among the current total mass of the whole vehicle, the gravity acceleration, the tire rolling resistance coefficient and the cosine value of the gradient;
acquiring a third product among a quadratic power of the vehicle speed, the wind resistance coefficient and the windward area, and calculating a first ratio between the third product and a first constant;
acquiring a fourth product of the current total mass of the whole vehicle, the gravity acceleration and the sine value of the gradient;
acquiring a fifth product of the rotating mass conversion coefficient, the current total mass of the whole vehicle and the acceleration;
and summing the second product, the first ratio, the fourth product and the fifth product to obtain a first summation result, obtaining a sixth product between the first summation result and the rolling radius of the tire, and taking the sixth product as the driving resistance moment of the whole vehicle.
In one embodiment, the process of determining the rate of change of the mass comprises:
acquiring a seventh product between the rated flow of the water pump and the rotating speed of the engine, acquiring a second ratio between the seventh product and the speed ratio of the power takeoff, acquiring an eighth product between the negative value of the second ratio and the rated rotating speed of the water pump, acquiring a ninth product between the eighth product and a second constant, and calculating the mass change rate in unit hour according to the ninth product and taking the mass change rate as the mass change rate.
In one embodiment, determining the actual output torque of the water pump based on the engine speed and the power take-off speed ratio comprises:
calculating a tenth product between the rotating speed of the engine and the speed ratio of the power takeoff, and acquiring a third ratio between the square of the rated rotating speed of the water pump and the square of the tenth product;
and calculating a fourth ratio between the rated output torque of the water pump and the third ratio, and taking the fourth ratio as the actual output torque of the water pump.
In one embodiment, the determining the engine torque according to the vehicle running resistance torque and the actual output torque of the water pump comprises the following steps:
and summing the driving resistance moment of the whole vehicle and the actual output torque of the water pump to obtain a second summation result, obtaining an eleventh product among the transmission ratio of the transmission, the transmission ratio of the main speed reducer and the transmission efficiency, obtaining a fifth ratio between the second summation result and the eleventh product, and taking the fifth ratio as the engine torque.
In one embodiment, determining the specific fuel consumption based on the engine speed, the engine torque, and the engine characteristic data comprises:
based on the universal characteristic data of the engine, obtaining a plurality of least square fitting coefficients, wherein the plurality of least square fitting coefficients comprise a first least square fitting coefficient, a second least square fitting coefficient, a third least square fitting coefficient, a fourth least square fitting coefficient, a fifth least square fitting coefficient and a sixth least square fitting coefficient;
and calculating a twelfth product between the second least square fitting coefficient and the engine speed, calculating a thirteenth product between the third least square fitting coefficient and the engine torque, calculating a fourteenth product between the fourth least square fitting coefficient and the square of the engine speed, calculating a fifth least square fitting coefficient, a fifteenth product between the engine speed and the engine torque, calculating a sixteenth product between the sixth least square fitting coefficient and the square of the engine torque, summing the first least square fitting coefficient, the twelfth product, the thirteenth product, the fourteenth product, the fifteenth product and the sixteenth product to obtain a third summation result, and taking the third summation result as the fuel consumption rate.
In a second aspect, the present application further provides a fuel consumption rate obtaining apparatus. The device comprises:
the first determination module is used for determining the rotating speed of an engine according to vehicle operation information, wherein the vehicle operation information comprises a vehicle speed, a transmission ratio of a transmission, a transmission ratio of a main speed reducer and a wheel radius;
the second determining module is used for determining the whole vehicle running resisting moment according to the mass change rate;
the third determining module is used for determining the actual output torque of the water pump according to the rotating speed of the engine and the speed ratio of the power takeoff;
the fourth determining module is used for determining the torque of the engine according to the driving resistance torque of the whole vehicle and the actual output torque of the water pump;
and the fifth determining module is used for determining the fuel consumption rate according to the engine rotating speed, the engine torque and the universal characteristic data of the engine.
In a third aspect, the present application also provides a computer device. The computer device comprises a memory storing a computer program and a processor implementing the following steps when executing the computer program:
determining the rotating speed of an engine according to vehicle operation information, wherein the vehicle operation information comprises a vehicle speed, a transmission gear ratio, a main speed reducer gear ratio and a wheel radius;
determining the driving resisting moment of the whole vehicle according to the mass change rate;
determining the actual output torque of the water pump according to the rotating speed of the engine and the speed ratio of the power takeoff;
determining the torque of an engine according to the driving resistance moment of the whole vehicle and the actual output torque of the water pump;
and determining the fuel consumption rate according to the engine speed, the engine torque and the universal characteristic data of the engine.
In a fourth aspect, the present application further provides a computer-readable storage medium. The computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of:
determining the rotating speed of an engine according to vehicle operation information, wherein the vehicle operation information comprises a vehicle speed, a transmission gear ratio, a main speed reducer gear ratio and a wheel radius;
determining the driving resisting moment of the whole vehicle according to the mass change rate;
determining the actual output torque of the water pump according to the rotating speed of the engine and the speed ratio of the power takeoff;
determining the torque of an engine according to the driving resistance moment of the whole vehicle and the actual output torque of the water pump;
and determining the fuel consumption rate according to the engine speed, the engine torque and the universal characteristic data of the engine.
In a fifth aspect, the present application further provides a computer program product. The computer program product comprising a computer program which when executed by a processor performs the steps of:
determining the rotating speed of an engine according to vehicle operation information, wherein the vehicle operation information comprises a vehicle speed, a transmission gear ratio, a main speed reducer gear ratio and a wheel radius;
determining the driving resisting moment of the whole vehicle according to the mass change rate;
determining the actual output torque of the water pump according to the rotating speed of the engine and the speed ratio of the power takeoff;
determining the torque of an engine according to the driving resistance moment of the whole vehicle and the actual output torque of the water pump;
and determining the fuel consumption rate according to the engine speed, the engine torque and the universal characteristic data of the engine.
According to the method, the device, the computer equipment, the storage medium and the computer program product for acquiring the fuel consumption rate, the running resistance moment of the whole vehicle is determined according to the mass change rate, the actual output torque of the water pump is determined according to the rotating speed of the engine and the speed ratio of the power takeoff, the torque of the engine is determined according to the running resistance moment of the whole vehicle and the actual output torque of the water pump, and finally the fuel consumption rate is determined according to the determined rotating speed of the engine, the determined torque of the engine and the determined universal characteristic data of the engine. When the fuel consumption rate is determined, the influence of the mass change rate and the actual output torque of the water pump on the fuel consumption rate is comprehensively considered, so that the determined fuel consumption rate is closer to a true value on one hand. On the other hand, more accurate reference data is provided for power assembly model selection and development and vehicle fuel economy optimization. Moreover, the test verification cost is saved, the development efficiency is improved, and the development period of a new vehicle type is shortened.
Drawings
FIG. 1 is a schematic flow chart showing a fuel consumption rate obtaining method according to an embodiment;
FIG. 2 is a diagram illustrating specific steps of the fuel consumption rate obtaining method using cruise simulation software according to an embodiment;
FIG. 3 is a schematic diagram of a custom road spectrum in another embodiment;
FIG. 4 is a diagram of custom C language program modules in one embodiment;
FIG. 5 is a block diagram showing the construction of a fuel consumption rate obtaining apparatus according to an embodiment;
FIG. 6 is a diagram illustrating an internal structure of a computer device according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The watering cart is mainly used for urban road washing, road surface dust fall, landscaping, factory and mining area dust fall and the like. Along with the increasing popularization of the PPP operation mode in the environmental sanitation market, the requirement of users on the fuel economy of the watering lorry is higher and higher, and how to establish a set of accurate and effective calculation method for the fuel consumption rate of the watering lorry is more and more important.
In the related art, the fuel consumption rate of the sprinkler is calculated by related simulation software. There is a problem that the determined fuel consumption rate is not close to the true value, wherein the true value can be obtained from the dashboard of the sprinkler during the actual driving of the sprinkler.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various terms, but these terms are not limited by these terms unless otherwise specified. These terms are only used to distinguish one term from another. For example, the first least squares fit coefficient and the second least squares fit coefficient may be the same or different without departing from the scope of the present application.
In view of the problems in the related art, the embodiment of the present application provides a method for acquiring a fuel consumption rate, which may be applied to a server, a terminal, or a system including the terminal and the server, and is implemented by interaction between the terminal and the server. The server may be implemented by an independent server or a server cluster composed of a plurality of servers. The terminal can be but not limited to various personal computers, notebook computers, smart phones, tablet computers, internet of things equipment and portable wearable equipment, and the internet of things equipment can be intelligent sound boxes, intelligent televisions, intelligent air conditioners, intelligent vehicle-mounted equipment and the like. The portable wearable device can be a smart watch, a smart bracelet, a head-mounted device, and the like. It should be noted that, the numbers of "a plurality" and the like mentioned in the embodiments of the present application each refer to a number of "at least two", for example, "a plurality" refers to "at least two".
In one embodiment, as shown in fig. 1, a fuel consumption rate obtaining method is provided, which is exemplified by applying the method to a server, and the method includes the following steps:
102. an engine speed is determined based on vehicle operating information including vehicle speed, transmission gear ratio, final drive gear ratio, and wheel radius.
Specifically, a fifteenth product between the vehicle speed, the transmission gear ratio and the final drive gear ratio is obtained, a sixteenth product between the third constant and the wheel radius is obtained, a sixth ratio between the fifteenth product and the sixteenth product is calculated, and the sixth ratio is taken as the engine speed. Specifically, the following formula (1) can be referred to:
in the formula (1), n represents the engine speed, and u represents the engine speedaIndicates vehicle speed, igRepresenting transmission ratio, i0Representing the final drive ratio, the third constant may have a value of 0.377, r1Representing the radius of the wheel.
104. And determining the running resistance moment of the whole vehicle according to the mass change rate.
The mass change rate is the rate of change of the mass of the whole vehicle along with time, and the running resistance moment of the whole vehicle comprises rolling resistance, acceleration resistance, gradient resistance and air resistance.
106. And determining the actual output torque of the water pump according to the rotating speed of the engine and the speed ratio of the power takeoff.
The power takeoff speed ratio refers to the ratio of the rotating speed of the gearbox to the rotating speed of the output end of the power takeoff, and the actual output torque of the water pump refers to a specific index of the actual output power of the water pump.
108. And determining the torque of the engine according to the running resistance torque of the whole vehicle and the actual output torque of the water pump.
The engine torque is a specific index of the acceleration capacity of the engine, and refers to the reciprocating motion of a piston in a cylinder, and the reciprocating motion has certain work once, and the unit of the engine torque is Nm.M.
110. And determining the fuel consumption rate according to the engine speed, the engine torque and the universal characteristic data of the engine.
The engine-specific characteristic data is a composite of substantially all of the load characteristic data and the speed characteristic data. It can represent the variation relation of main parameters of the engine in the whole working range, and can be used for defining the most economic working area of the engine, of course, also can be used for defining a certain minimum value area for discharging pollutant, etc. In the engine parameter matching process, the optimal performance areas fall within the most common working condition range through parameter matching, which is one of the important principles of engine performance matching.
In the scheme provided by the embodiment of the application, the running resistance moment of the whole vehicle is determined according to the mass change rate, the actual output torque of the water pump is determined according to the rotating speed of the engine and the speed ratio of the power takeoff, the engine torque is determined according to the running resistance moment of the whole vehicle and the actual output torque of the water pump, and finally the fuel consumption rate is determined according to the determined rotating speed of the engine, the determined engine torque and the determined universal characteristic data of the engine. When the fuel consumption rate is determined, the influence of the mass change rate and the actual output torque of the water pump on the fuel consumption rate is comprehensively considered, so that the determined fuel consumption rate is closer to a true value on one hand. On the other hand, more accurate reference data is provided for power assembly model selection and development and vehicle fuel economy optimization. Moreover, the test verification cost is saved, the development efficiency is improved, and the development period of a new vehicle type is shortened.
In one embodiment, determining the vehicle travel resistive torque based on the rate of mass change comprises:
and acquiring a first product between the mass change rate and the running time, calculating a difference value between the initial total mass of the whole vehicle and the first product, and taking the difference value as the current total mass of the whole vehicle, wherein the running time refers to the time between the starting moment of vehicle running and the moment of acquiring the vehicle running information.
Specifically, the process of determining the current total mass of the whole vehicle may refer to the following formula (2):
m＝m0-γ*t；(2)
in the formula (2), m represents the current total mass of the whole vehicle, m0 represents the initial total mass of the whole vehicle, γ represents the mass change rate, and t represents the operation time length.
Obtaining a second product among the current total mass of the whole vehicle, the gravity acceleration, the tire rolling resistance coefficient and the cosine value of the gradient,
specifically, the determination process of the second product may refer to the following formula (3):
p1＝m*g*f*cosα；(3)
in the formula (3), p is1Represents the second product, g represents the gravitational acceleration, f represents the tire rolling resistance coefficient, and α represents the gradient.
And acquiring a third product among the square of the vehicle speed, the wind resistance coefficient and the windward area, and calculating a first ratio between the third product and a first constant.
Specifically, the determination process of the first ratio may refer to the following formula (4):
in the formula (4), FwExpressing a first ratio, wherein the first ratio is the air resistance, CDThe wind resistance coefficient is represented, A represents the windward area, and the value of the first constant can be 21.15.
And acquiring a fourth product among the current total mass of the whole vehicle, the gravity acceleration and the sine value of the gradient.
Specifically, the determination process of the fourth product may refer to the following formula (5):
p2＝m*g*sinα；(5)
in the formula (5), p is2The physical meanings of the other parameters can refer to the explanation of the parameters in the formula (3), and are not described herein again.
And acquiring a fifth product of the rotating mass conversion coefficient, the current total mass of the whole vehicle and the acceleration.
Specifically, the fifth product determination process may refer to the following equation (6):
p3＝δ*m*a；(6)
in the formula (6), p is3And (3) expressing the fifth product, and δ expressing a rotating mass conversion coefficient, and similarly, the physical meanings of other parameters in the formula (6) can refer to the explanation of the parameters in the formula (3), which is not described herein again.
And summing the second product, the first ratio, the fourth product and the fifth product to obtain a first summation result, obtaining a sixth product between the first summation result and the rolling radius of the tire, and taking the sixth product as the driving resistance moment of the whole vehicle.
Specifically, the sixth product determination process may refer to the following equation (7):
p4＝(p1+FW+p2+p3)*r2；(7)
in the formula (7), p is4Indicating the running resistance torque, r, of the whole vehicle2Indicating the tire rolling radius.
In the embodiment, the whole vehicle running resisting moment is determined through the mass change rate, and the influence of the mass change rate on the whole vehicle running resisting moment result is comprehensively considered when the whole vehicle running resisting moment result is determined, so that the whole vehicle running resisting moment result is more accurate.
In one embodiment, the process of determining the rate of change of mass comprises: acquiring a seventh product between the rated flow of the water pump and the rotating speed of the engine, acquiring a second ratio between the seventh product and the speed ratio of the power takeoff, acquiring an eighth product between the negative value of the second ratio and the rated rotating speed of the water pump, acquiring a ninth product between the eighth product and a second constant, and calculating the mass change rate in unit hour according to the ninth product and taking the mass change rate as the mass change rate.
The process of determining the mass change rate may specifically refer to the following formula (8):
in the formula (8), Q1The value of the second constant is 1000kg, N is 0.965, and the value of the second constant is 60m3/h1The rated speed of the water pump is shown, and the value can be 1480 rpm. It is understood that the physical meanings of γ and n can refer to the above formula (1) and formula (2), and are not described herein again.
In the embodiment, the whole vehicle running resisting moment is determined through the mass change rate, and the influence of the mass change rate on the whole vehicle running resisting moment result is comprehensively considered when the whole vehicle running resisting moment result is determined, so that the whole vehicle running resisting moment result is more accurate.
In one embodiment, determining the actual output torque of the water pump based on the engine speed and the power take-off speed ratio comprises:
and calculating a tenth product between the engine speed and the speed ratio of the power takeoff to obtain a third ratio between the square of the rated speed of the water pump and the square of the tenth product.
Wherein, the tenth product is the actual rotation speed of the water pump, and N can be used2And (4) showing.
And calculating a fourth ratio between the rated output torque of the water pump and the third ratio, and taking the fourth ratio as the actual output torque of the water pump.
In conjunction with the above explanation of the tenth product, the process of determining the actual output torque of the water pump may refer to the following equation (9):
in the formula (9), T is2Representing actual output torque, T, of the pump1The rated output torque of the water pump is represented, and the value can be 143N.m, N1Indicating the rated speed of the water pump, N2Representing the actual speed of the water pump.
In this embodiment, through engine speed and power takeoff speed ratio, confirm the actual output torque of water pump, because when confirming the result of the actual output torque of water pump, the influence that the result that the ratio of power takeoff speed caused to the actual output torque of water pump led to the fact is more accurate to the result that makes the actual output torque of water pump.
In one embodiment, determining the engine torque according to the vehicle running resistance torque and the water pump actual output torque comprises the following steps:
and summing the driving resistance moment of the whole vehicle and the actual output torque of the water pump to obtain a second summation result, obtaining an eleventh product among the transmission ratio of the transmission, the transmission ratio of the main speed reducer and the transmission efficiency, obtaining a fifth ratio between the second summation result and the eleventh product, and taking the fifth ratio as the engine torque.
Specifically, the following formula (10) can be referred to:
in the formula (10), Tm represents the engine torque, η represents the transmission efficiency, and p represents4、T2、igAnd i0The physical meaning of (c) can refer to the above formula (1), formula (7) and formula (9), which are not repeated herein.
In this embodiment, because when confirming the result of whole car resistance moment of traveling, the influence that the quality rate of change caused the result of whole car resistance moment of traveling is taken into account comprehensively to make the result of whole car resistance moment of traveling more accurate, and when confirming the result of the actual output torque of water pump, the influence that the result that the power takeoff speed caused than the actual output torque of water pump caused is taken into account comprehensively, thereby make the result of the actual output torque of water pump more accurate, and then make the engine torque result confirmed through whole car resistance moment of traveling and the actual output torque of water pump more accurate.
In one embodiment, determining the specific fuel consumption based on the engine speed, the engine torque, and the engine characteristic data comprises:
based on the universal characteristic data of the engine, a plurality of least square fitting coefficients are obtained, and the plurality of least square fitting coefficients comprise a first least square fitting coefficient, a second least square fitting coefficient, a third least square fitting coefficient, a fourth least square fitting coefficient, a fifth least square fitting coefficient and a sixth least square fitting coefficient.
The first least square fitting coefficient, the second least square fitting coefficient, the third least square fitting coefficient, the fourth least square fitting coefficient, the fifth least square fitting coefficient and the sixth least square fitting coefficient may be respectively represented by a1, a2, a3, a4, a5 and a 6.
And calculating a twelfth product between the second least square fitting coefficient and the engine speed, calculating a thirteenth product between the third least square fitting coefficient and the engine torque, calculating a fourteenth product between the fourth least square fitting coefficient and the square of the engine speed, calculating a fifth least square fitting coefficient, a fifteenth product between the engine speed and the engine torque, calculating a sixteenth product between the sixth least square fitting coefficient and the square of the engine torque, summing the first least square fitting coefficient, the twelfth product, the thirteenth product, the fourteenth product, the fifteenth product and the sixteenth product to obtain a third summation result, and taking the third summation result as the fuel consumption rate.
The determination process of the fuel consumption rate can be expressed by the following equation (11):
ge＝a1+a2*n+a3*Tm+a4*n2+a5*n*Tm+a6*Tm2；(11)
in the formula (11), ge represents the fuel consumption rate, and the physical meanings of n and Tm refer to the above formula (1) and formula (10), which are not repeated herein.
In this embodiment, when determining the fuel consumption rate, the influence of the mass change rate and the actual output torque of the water pump on the fuel consumption rate is comprehensively considered, so that on one hand, the determined fuel consumption rate is closer to the true value. On the other hand, more accurate reference data is provided for power assembly model selection and development and vehicle fuel economy optimization. Moreover, the test verification cost is saved, the development efficiency is improved, and the development period of a new vehicle type is shortened.
In one embodiment, as shown in fig. 2, the method for acquiring the fuel consumption rate may be applied to cruise simulation software, and includes the specific steps of:
based on the self-defined road spectrum, the vehicle speed and the transmission ratio of the transmission are obtained, the vehicle speed and the transmission ratio of the transmission are input to the engine module, the main reducer module outputs the transmission ratio of the main reducer to the engine module, the tire module outputs the wheel radius to the engine module, and the engine module outputs the rotating speed of the engine.
The custom road spectrum may be as shown in fig. 3. As shown in fig. 3, the customized road spectrum includes a transition working condition, a driving watering working condition and a parking watering working condition, the upper half (curve) of the abscissa in fig. 3 represents the vehicle speed, the lower half (straight line) represents the mass change rate, the power takeoff of the watering lorry does not work under the transition working condition, and the mass change rate is 0 because of no watering; under the working conditions of driving and parking, the power takeoff drives the water pump to spray water, and the mass change rate is not 0.
The engine module outputs the engine rotating speed to the power takeoff module, the user-defined C language program module outputs the power takeoff speed ratio to the power takeoff module, the power takeoff module outputs the actual rotating speed of the water pump to the water pump module, and the water pump module outputs the actual output torque of the water pump to the engine module.
Wherein, the custom C language program module can be as shown in fig. 4.
The engine module outputs the engine rotating speed to the custom C language program module, the custom C language program module outputs the mass change rate to the whole vehicle module, the whole vehicle module outputs the whole vehicle running resistance moment to the engine module, and the engine module outputs the engine torque.
And determining the fuel consumption rate by the cruise simulation software according to the engine rotating speed, the engine torque and the engine universal characteristic data.
It should be noted that the cruise simulation software may be integrated in the server. It should be noted that the above-mentioned fuel consumption rate obtaining method may also be applied to other simulation software having the same function as the cruise simulation software, and the embodiment of the present invention is not particularly limited thereto.
It should be understood that, although the steps in the flowcharts related to the embodiments as described above are sequentially displayed as indicated by arrows, the steps are not necessarily performed sequentially as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a part of the steps in the flowcharts related to the embodiments described above may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the execution order of the steps or stages is not necessarily sequential, but may be rotated or alternated with other steps or at least a part of the steps or stages in other steps.
Based on the same inventive concept, the embodiment of the present application further provides a fuel consumption rate obtaining apparatus for implementing the fuel consumption rate obtaining method. The implementation scheme for solving the problem provided by the device is similar to the implementation scheme recorded in the method, so that specific limitations in one or more embodiments of the fuel consumption rate obtaining device provided below can be referred to the limitations on the fuel consumption rate obtaining method in the foregoing, and details are not repeated herein.
In one embodiment, as shown in fig. 5, there is provided a fuel consumption rate obtaining apparatus including: a first determination module 501, a second determination module 502, a third determination module 503, a fourth determination module 504, and a fifth determination module 505, wherein:
the first determining module 501 is used for determining the rotation speed of an engine according to vehicle operation information, wherein the vehicle operation information comprises vehicle speed, transmission ratio of a transmission, transmission ratio of a main speed reducer and wheel radius;
a second determining module 502, configured to determine a vehicle driving resisting moment according to the mass change rate;
a third determining module 503, configured to determine an actual output torque of the water pump according to the engine speed and the power takeoff speed ratio;
the fourth determining module 504 is configured to determine an engine torque according to the vehicle running resistance torque and the actual output torque of the water pump;
the fifth determining module 505 is configured to determine a fuel consumption rate according to the engine speed, the engine torque, and the engine universal characteristic data.
In one embodiment, the second determining module 502 includes:
the first calculation unit is used for acquiring a first product between the mass change rate and the running time length, calculating a difference value between the initial total mass of the whole vehicle and the first product, and taking the difference value as the current total mass of the whole vehicle, wherein the running time length refers to the time length from the vehicle running starting moment to the moment of acquiring the vehicle running information;
the first acquisition unit is used for acquiring a second product among the current total mass of the whole vehicle, the gravity acceleration, the tire rolling resistance coefficient and the cosine value of the gradient;
the second calculation unit is used for acquiring a third product among the square of the vehicle speed, the wind resistance coefficient and the windward area and calculating a first ratio between the third product and the first constant;
the second acquisition unit is used for acquiring a fourth product among the current total mass of the whole vehicle, the gravity acceleration and the sine value of the gradient;
the third acquisition unit is used for acquiring a fifth product among the rotating mass conversion coefficient, the current total mass of the whole vehicle and the acceleration;
and the first summation unit is used for summing the second product, the first ratio, the fourth product and the fifth product to obtain a first summation result, obtaining a sixth product between the first summation result and the rolling radius of the tire, and taking the sixth product as the vehicle running resistance moment.
In one embodiment, the second determining module 502 further comprises:
and the fourth acquisition unit is used for acquiring a seventh product between the rated flow of the water pump and the rotating speed of the engine, acquiring a second ratio between the seventh product and the speed ratio of the power takeoff, acquiring an eighth product between the negative value of the second ratio and the rated rotating speed of the water pump, acquiring a ninth product between the eighth product and a second constant, and calculating the mass change rate in unit hour according to the ninth product and using the mass change rate as the mass change rate.
In one embodiment, the third determining module 503 includes:
the third calculation unit is used for calculating a tenth product between the rotating speed of the engine and the speed ratio of the power takeoff, and acquiring a third ratio between the square of the rated rotating speed of the water pump and the square of the tenth product;
and the fourth calculating unit is used for calculating a fourth ratio between the rated output torque of the water pump and the third ratio, and taking the fourth ratio as the actual output torque of the water pump.
In one embodiment, the fourth determining module 504 includes:
and the fifth obtaining unit is used for summing the driving resistance moment of the whole vehicle and the actual output torque of the water pump to obtain a second summation result, obtaining an eleventh product among the transmission ratio of the transmission, the transmission ratio of the main speed reducer and the transmission efficiency, obtaining a fifth ratio between the second summation result and the eleventh product, and taking the fifth ratio as the engine torque.
In one embodiment, the fifth determining module 505 comprises:
the sixth obtaining unit is used for obtaining a plurality of least square fitting coefficients based on the universal characteristic data of the engine, wherein the plurality of least square fitting coefficients comprise a first least square fitting coefficient, a second least square fitting coefficient, a third least square fitting coefficient, a fourth least square fitting coefficient, a fifth least square fitting coefficient and a sixth least square fitting coefficient;
and the fifth calculation unit is used for calculating a twelfth product between the second least square fitting coefficient and the engine speed, calculating a thirteenth product between the third least square fitting coefficient and the engine torque, calculating a fourteenth product between the fourth least square fitting coefficient and the square of the engine speed, calculating a fifth least square fitting coefficient, a fifteenth product between the engine speed and the engine torque, calculating a sixteenth product between the sixth least square fitting coefficient and the square of the engine torque, summing the first least square fitting coefficient, the twelfth product, the thirteenth product, the fourteenth product, the fifteenth product and the sixteenth product to obtain a third summation result, and taking the third summation result as the fuel consumption rate.
The modules in the fuel consumption rate obtaining device can be wholly or partially realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a server, and its internal structure diagram may be as shown in fig. 6. The computer device includes a processor, a memory, and a network interface connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The database of the computer device is used to store data required to determine the specific fuel consumption. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a fuel consumption rate acquisition method.
Those skilled in the art will appreciate that the architecture shown in fig. 6 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory and a processor, the memory having a computer program stored therein, the processor implementing the following steps when executing the computer program:
determining the rotating speed of an engine according to vehicle operation information, wherein the vehicle operation information comprises a vehicle speed, a transmission gear ratio, a main speed reducer gear ratio and a wheel radius;
determining the driving resisting moment of the whole vehicle according to the mass change rate;
determining the actual output torque of the water pump according to the rotating speed of the engine and the speed ratio of the power takeoff;
determining the torque of an engine according to the driving resistance moment of the whole vehicle and the actual output torque of the water pump;
and determining the fuel consumption rate according to the engine speed, the engine torque and the universal characteristic data of the engine.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
acquiring a first product between the mass change rate and the running time, calculating a difference value between the initial total mass of the whole vehicle and the first product, and taking the difference value as the current total mass of the whole vehicle, wherein the running time refers to the time between the starting moment of vehicle running and the moment of acquiring vehicle running information;
acquiring a second product among the current total mass of the whole vehicle, the gravity acceleration, the tire rolling resistance coefficient and the cosine value of the gradient;
acquiring a third product among a quadratic power of the vehicle speed, the wind resistance coefficient and the windward area, and calculating a first ratio between the third product and a first constant;
acquiring a fourth product of the current total mass of the whole vehicle, the gravity acceleration and the sine value of the gradient;
acquiring a fifth product of the rotating mass conversion coefficient, the current total mass of the whole vehicle and the acceleration;
and summing the second product, the first ratio, the fourth product and the fifth product to obtain a first summation result, obtaining a sixth product between the first summation result and the rolling radius of the tire, and taking the sixth product as the driving resistance moment of the whole vehicle.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
acquiring a seventh product between the rated flow of the water pump and the rotating speed of the engine, acquiring a second ratio between the seventh product and the speed ratio of the power takeoff, acquiring an eighth product between the negative value of the second ratio and the rated rotating speed of the water pump, acquiring a ninth product between the eighth product and a second constant, and calculating the mass change rate in unit hour according to the ninth product and taking the mass change rate as the mass change rate.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
calculating a tenth product between the rotating speed of the engine and the speed ratio of the power takeoff, and acquiring a third ratio between the square of the rated rotating speed of the water pump and the square of the tenth product;
and calculating a fourth ratio between the rated output torque of the water pump and the third ratio, and taking the fourth ratio as the actual output torque of the water pump.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
and summing the driving resistance moment of the whole vehicle and the actual output torque of the water pump to obtain a second summation result, obtaining an eleventh product among the transmission ratio of the transmission, the transmission ratio of the main speed reducer and the transmission efficiency, obtaining a fifth ratio between the second summation result and the eleventh product, and taking the fifth ratio as the engine torque.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
based on the universal characteristic data of the engine, obtaining a plurality of least square fitting coefficients, wherein the plurality of least square fitting coefficients comprise a first least square fitting coefficient, a second least square fitting coefficient, a third least square fitting coefficient, a fourth least square fitting coefficient, a fifth least square fitting coefficient and a sixth least square fitting coefficient;
and calculating a twelfth product between the second least square fitting coefficient and the engine speed, calculating a thirteenth product between the third least square fitting coefficient and the engine torque, calculating a fourteenth product between the fourth least square fitting coefficient and the square of the engine speed, calculating a fifth least square fitting coefficient, a fifteenth product between the engine speed and the engine torque, calculating a sixteenth product between the sixth least square fitting coefficient and the square of the engine torque, summing the first least square fitting coefficient, the twelfth product, the thirteenth product, the fourteenth product, the fifteenth product and the sixteenth product to obtain a third summation result, and taking the third summation result as the fuel consumption rate.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
determining the rotating speed of an engine according to vehicle operation information, wherein the vehicle operation information comprises a vehicle speed, a transmission gear ratio, a main speed reducer gear ratio and a wheel radius;
determining the driving resisting moment of the whole vehicle according to the mass change rate;
determining the actual output torque of the water pump according to the rotating speed of the engine and the speed ratio of the power takeoff;
determining the torque of an engine according to the driving resistance moment of the whole vehicle and the actual output torque of the water pump;
and determining the fuel consumption rate according to the engine speed, the engine torque and the universal characteristic data of the engine.
In one embodiment, the computer program when executed by the processor further performs the steps of:
acquiring a first product between the mass change rate and the running time, calculating a difference value between the initial total mass of the whole vehicle and the first product, and taking the difference value as the current total mass of the whole vehicle, wherein the running time refers to the time between the starting moment of vehicle running and the moment of acquiring vehicle running information;
acquiring a second product among the current total mass of the whole vehicle, the gravity acceleration, the tire rolling resistance coefficient and the cosine value of the gradient;
acquiring a third product among a quadratic power of the vehicle speed, the wind resistance coefficient and the windward area, and calculating a first ratio between the third product and a first constant;
acquiring a fourth product of the current total mass of the whole vehicle, the gravity acceleration and the sine value of the gradient;
acquiring a fifth product of the rotating mass conversion coefficient, the current total mass of the whole vehicle and the acceleration;
and summing the second product, the first ratio, the fourth product and the fifth product to obtain a first summation result, obtaining a sixth product between the first summation result and the rolling radius of the tire, and taking the sixth product as the driving resistance moment of the whole vehicle.
In one embodiment, the computer program when executed by the processor further performs the steps of:
acquiring a seventh product between the rated flow of the water pump and the rotating speed of the engine, acquiring a second ratio between the seventh product and the speed ratio of the power takeoff, acquiring an eighth product between the negative value of the second ratio and the rated rotating speed of the water pump, acquiring a ninth product between the eighth product and a second constant, and calculating the mass change rate in unit hour according to the ninth product and taking the mass change rate as the mass change rate.
In one embodiment, the computer program when executed by the processor further performs the steps of:
calculating a tenth product between the rotating speed of the engine and the speed ratio of the power takeoff, and acquiring a third ratio between the square of the rated rotating speed of the water pump and the square of the tenth product;
and calculating a fourth ratio between the rated output torque of the water pump and the third ratio, and taking the fourth ratio as the actual output torque of the water pump.
In one embodiment, the computer program when executed by the processor further performs the steps of:
and summing the driving resistance moment of the whole vehicle and the actual output torque of the water pump to obtain a second summation result, obtaining an eleventh product among the transmission ratio of the transmission, the transmission ratio of the main speed reducer and the transmission efficiency, obtaining a fifth ratio between the second summation result and the eleventh product, and taking the fifth ratio as the engine torque.
In one embodiment, the computer program when executed by the processor further performs the steps of:
based on the universal characteristic data of the engine, obtaining a plurality of least square fitting coefficients, wherein the plurality of least square fitting coefficients comprise a first least square fitting coefficient, a second least square fitting coefficient, a third least square fitting coefficient, a fourth least square fitting coefficient, a fifth least square fitting coefficient and a sixth least square fitting coefficient;
and calculating a twelfth product between the second least square fitting coefficient and the engine speed, calculating a thirteenth product between the third least square fitting coefficient and the engine torque, calculating a fourteenth product between the fourth least square fitting coefficient and the square of the engine speed, calculating a fifth least square fitting coefficient, a fifteenth product between the engine speed and the engine torque, calculating a sixteenth product between the sixth least square fitting coefficient and the square of the engine torque, summing the first least square fitting coefficient, the twelfth product, the thirteenth product, the fourteenth product, the fifteenth product and the sixteenth product to obtain a third summation result, and taking the third summation result as the fuel consumption rate.
In one embodiment, a computer program product is provided, comprising a computer program which, when executed by a processor, performs the steps of:
determining the rotating speed of an engine according to vehicle operation information, wherein the vehicle operation information comprises a vehicle speed, a transmission gear ratio, a main speed reducer gear ratio and a wheel radius;
determining the driving resisting moment of the whole vehicle according to the mass change rate;
determining the actual output torque of the water pump according to the rotating speed of the engine and the speed ratio of the power takeoff;
determining the torque of an engine according to the driving resistance moment of the whole vehicle and the actual output torque of the water pump;
and determining the fuel consumption rate according to the engine speed, the engine torque and the universal characteristic data of the engine.
In one embodiment, the computer program when executed by the processor further performs the steps of:
acquiring a first product between the mass change rate and the running time, calculating a difference value between the initial total mass of the whole vehicle and the first product, and taking the difference value as the current total mass of the whole vehicle, wherein the running time refers to the time between the starting moment of vehicle running and the moment of acquiring vehicle running information;
acquiring a second product among the current total mass of the whole vehicle, the gravity acceleration, the tire rolling resistance coefficient and the cosine value of the gradient;
acquiring a third product among a quadratic power of the vehicle speed, the wind resistance coefficient and the windward area, and calculating a first ratio between the third product and a first constant;
acquiring a fourth product of the current total mass of the whole vehicle, the gravity acceleration and the sine value of the gradient;
acquiring a fifth product of the rotating mass conversion coefficient, the current total mass of the whole vehicle and the acceleration;
and summing the second product, the first ratio, the fourth product and the fifth product to obtain a first summation result, obtaining a sixth product between the first summation result and the rolling radius of the tire, and taking the sixth product as the driving resistance moment of the whole vehicle.
In one embodiment, the computer program when executed by the processor further performs the steps of:
acquiring a seventh product between the rated flow of the water pump and the rotating speed of the engine, acquiring a second ratio between the seventh product and the speed ratio of the power takeoff, acquiring an eighth product between the negative value of the second ratio and the rated rotating speed of the water pump, acquiring a ninth product between the eighth product and a second constant, and calculating the mass change rate in unit hour according to the ninth product and taking the mass change rate as the mass change rate.
In one embodiment, the computer program when executed by the processor further performs the steps of:
calculating a tenth product between the rotating speed of the engine and the speed ratio of the power takeoff, and acquiring a third ratio between the square of the rated rotating speed of the water pump and the square of the tenth product;
and calculating a fourth ratio between the rated output torque of the water pump and the third ratio, and taking the fourth ratio as the actual output torque of the water pump.
In one embodiment, the computer program when executed by the processor further performs the steps of:
and summing the driving resistance moment of the whole vehicle and the actual output torque of the water pump to obtain a second summation result, obtaining an eleventh product among the transmission ratio of the transmission, the transmission ratio of the main speed reducer and the transmission efficiency, obtaining a fifth ratio between the second summation result and the eleventh product, and taking the fifth ratio as the engine torque.
In one embodiment, the computer program when executed by the processor further performs the steps of:
based on the universal characteristic data of the engine, obtaining a plurality of least square fitting coefficients, wherein the plurality of least square fitting coefficients comprise a first least square fitting coefficient, a second least square fitting coefficient, a third least square fitting coefficient, a fourth least square fitting coefficient, a fifth least square fitting coefficient and a sixth least square fitting coefficient;
and calculating a twelfth product between the second least square fitting coefficient and the engine speed, calculating a thirteenth product between the third least square fitting coefficient and the engine torque, calculating a fourteenth product between the fourth least square fitting coefficient and the square of the engine speed, calculating a fifth least square fitting coefficient, a fifteenth product between the engine speed and the engine torque, calculating a sixteenth product between the sixth least square fitting coefficient and the square of the engine torque, summing the first least square fitting coefficient, the twelfth product, the thirteenth product, the fourteenth product, the fifteenth product and the sixteenth product to obtain a third summation result, and taking the third summation result as the fuel consumption rate.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include at least one of non-volatile and volatile memory. Non-volatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical storage, or the like. Volatile Memory can include Random Access Memory (RAM) or external cache Memory. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A fuel consumption rate acquisition method, characterized by comprising:
determining the rotation speed of an engine according to vehicle operation information, wherein the vehicle operation information comprises a vehicle speed, a transmission gear ratio, a main speed reducer gear ratio and a wheel radius;
determining the driving resisting moment of the whole vehicle according to the mass change rate;
determining the actual output torque of the water pump according to the rotating speed of the engine and the speed ratio of the power takeoff;
determining the torque of an engine according to the whole vehicle running resistance moment and the actual output torque of the water pump;
and determining the fuel consumption rate according to the engine rotating speed, the engine torque and the engine universal characteristic data.
2. The method of claim 1, wherein determining an overall vehicle travel drag torque based on the rate of mass change comprises:
acquiring a first product between the mass change rate and the running time length, calculating a difference value between the initial total mass of the whole vehicle and the first product, and taking the difference value as the current total mass of the whole vehicle, wherein the running time length refers to the time length from the vehicle running starting moment to the moment of acquiring the vehicle running information;
acquiring a second product among the current total mass of the whole vehicle, the gravity acceleration, the tire rolling resistance coefficient and the cosine value of the gradient;
acquiring a third product among a quadratic power of a vehicle speed, a wind resistance coefficient and a windward area, and calculating a first ratio between the third product and a first constant;
acquiring a fourth product of the current total mass of the whole vehicle, the gravitational acceleration and the sine value of the gradient;
acquiring a fifth product of a rotating mass conversion coefficient, the current total mass of the whole vehicle and the acceleration;
and summing the second product, the first ratio, the fourth product and the fifth product to obtain a first summation result, obtaining a sixth product between the first summation result and the rolling radius of the tire, and taking the sixth product as the driving resistance moment of the whole vehicle.
3. The method of claim 1, wherein the determining the rate of change of the mass comprises:
acquiring a seventh product between the rated flow of the water pump and the rotating speed of the engine, acquiring a second ratio between the seventh product and the speed ratio of the power takeoff, acquiring an eighth product between the negative value of the second ratio and the rated rotating speed of the water pump, acquiring a ninth product between the eighth product and a second constant, and calculating the mass change rate in unit hour according to the ninth product and taking the mass change rate as the mass change rate.
4. The method of claim 1, wherein determining an actual output torque of a water pump based on the engine speed and a power take-off speed ratio comprises:
calculating a tenth product between the engine speed and the speed ratio of a power takeoff, and acquiring a third ratio between the square of the rated speed of the water pump and the square of the tenth product;
and calculating a fourth ratio between the rated output torque of the water pump and the third ratio, and taking the fourth ratio as the actual output torque of the water pump.
5. The method according to claim 1, wherein determining an engine torque based on the vehicle-completion travel resistance torque and the water pump actual output torque comprises:
and summing the whole vehicle running resistance moment and the actual output torque of the water pump to obtain a second summation result, obtaining an eleventh product among the transmission ratio of the transmission, the transmission ratio of the main speed reducer and the transmission efficiency, obtaining a fifth ratio between the second summation result and the eleventh product, and taking the fifth ratio as the engine torque.
6. The method of claim 1, wherein determining a specific fuel consumption based on the engine speed, the engine torque, and the engine ownership characteristic data comprises:
based on the universal characteristic data of the engine, obtaining a plurality of least square fitting coefficients, wherein the plurality of least square fitting coefficients comprise a first least square fitting coefficient, a second least square fitting coefficient, a third least square fitting coefficient, a fourth least square fitting coefficient, a fifth least square fitting coefficient and a sixth least square fitting coefficient;
calculating a twelfth product between the second least square fitting coefficient and the engine speed, calculating a thirteenth product between the third least square fitting coefficient and the engine torque, calculating a fourteenth product between the fourth least square fitting coefficient and the square of the engine speed, calculating a fifth least square fitting coefficient, a fifteenth product between the engine speed and the engine torque, calculating a sixteenth product between the sixth least square fitting coefficient and the square of the engine torque, summing the first least square fitting coefficient, the twelfth product, the thirteenth product, the fourteenth product, the fifteenth product and the sixteenth product to obtain a third summation result, and taking the third summation result as the fuel consumption rate.
7. A fuel consumption rate acquisition apparatus, characterized by comprising:
the device comprises a first determination module, a second determination module and a control module, wherein the first determination module is used for determining the rotating speed of an engine according to vehicle operation information, and the vehicle operation information comprises vehicle speed, transmission ratio of a transmission, transmission ratio of a main speed reducer and wheel radius;
the second determining module is used for determining the whole vehicle running resisting moment according to the mass change rate;
the third determining module is used for determining the actual output torque of the water pump according to the rotating speed of the engine and the speed ratio of the power takeoff;
the fourth determining module is used for determining the torque of the engine according to the whole vehicle running resistance torque and the actual output torque of the water pump;
and the fifth determining module is used for determining the fuel consumption rate according to the engine rotating speed, the engine torque and the engine universal characteristic data.
8. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor, when executing the computer program, implements the steps of the method of any of claims 1 to 6.
9. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 6.
10. A computer program product comprising a computer program, characterized in that the computer program realizes the steps of the method of any one of claims 1 to 6 when executed by a processor.
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| CN116678639A (en) * | 2023-05-30 | 2023-09-01 | 中国第一汽车股份有限公司 | Vehicle testing method and device based on real-time driving power and storage medium |
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