Automobile throttle characteristic design method, system and storage medium

Abstract

The invention discloses a method, a system and a storage medium for designing the characteristics of an automobile accelerator. The method comprises the following steps: obtaining the current accelerator opening of the car and the corresponding current vehicle acceleration, establishing the accelerator opening-acceleration relationship; establishing the acceleration-traction relationship according to the current vehicle acceleration, and according to the acceleration-traction relationship and the accelerator opening-acceleration Establish the throttle opening-traction relationship; establish the traction-speed-torque relationship between the current vehicle traction and the engine speed and engine torque; according to the accelerator opening-acceleration relationship, acceleration-traction relationship, traction-speed torque relationship, obtain the vehicle change The relationship between the engine speed and the engine torque when the acceleration before and after the gear is constant. The invention calculates and analyzes the throttle characteristic of the automobile to obtain the relationship between the engine speed and the torque when the acceleration before and after shifting of the automobile is constant, so as to improve the driving quality of the automobile.

Description

technical field [0001] The invention relates to the technical field of automobile driving, in particular to a method, system and storage medium for designing automobile throttle characteristics. Background technique [0002] Automobile throttle characteristics refer to the engine torque output characteristics at a certain vehicle speed, at a certain throttle opening, at the current engine speed, that is, at a certain vehicle speed, at different throttle openings, the corresponding curve relationship between engine speed and torque. The power of the vehicle comes from the engine torque, so the throttle characteristics directly affect the acceleration of the vehicle, affect the dynamic performance, and thus affect the driving quality. At present, for manual or automatic transmission vehicles equipped with stepped transmissions on the market, before and after shifting, due to the change of the gear position, the vehicle will have a sense of impact and the driving quality is poo...

AI Technical Summary

Problems solved by technology

The power of the vehicle comes from the engine torque, so the throttle characteristics directly affect the acceleration of the vehicle, affect the dynamic performance, and thus affect the driving quality

At present, for manual or automatic transmission vehicles equipped with stepped transmissions on the market, before and after shifting, due to the change of the gear position, the vehicle will have a sense of impact and the driving quality is poor. The reason is that the acceleration of the vehicle occurs. Larger changes, the changes in acceleration before and after shifting are not considered in the design of throttle characteristics

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