A method and system for controlling the accelerator pedal of an electric vehicle to prevent misstepping

Abstract

The invention discloses a mistakenly-stepping prevention electric vehicle accelerator pedal control method and a mistakenly-stepping prevention electric vehicle accelerator pedal control system. The control method comprises the steps of detecting the stroke of an accelerator pedal according to the output voltage of the accelerator pedal; judging whether the accelerator pedal is stepped down or not, and if yes, starting an anti-misoperation control strategy, wherein the anti-misoperation control strategy comprises the steps of judging whether the time consumed by the accelerator pedal with the stroke reaching a first threshold value is shorter than a preset time span or not, if yes, detecting whether barriers exist around a vehicle or not by a radar of the vehicle, and if not, quitting the anti-misoperation control; if yes, controlling a power motor to stop working and starting a braking system to work, and if not, quitting the anti-misoperation control. After the method and the system are used, whether accelerator pedal misoperation occurs or not can be accurately judged in time, and emergency brake is carried out during misoperation, so that serious accidents are avoided.

Description

technical field [0001] The invention relates to the technical field of electric vehicles, in particular to an electric vehicle accelerator pedal control method and system for preventing misstepping. Background technique [0002] Existing automobiles and electric vehicles control the power output of the vehicle through the accelerator, and the power output of the engine or electric motor of the vehicle is only controlled by the accelerator signal. For many novices or in emergencies, it is easy to use the accelerator pedal as a The brake pedal is stepped on sharply, thereby causing the vehicle to accelerate suddenly, causing many traffic accidents, and causing serious vehicle damage and personal injury. In order to reduce the damage caused by it, it is necessary to deal with the accelerator pedal to prevent misuse. At present, the accelerator control has not been improved in the field of electric vehicles; in the field of traditional vehicles, the travel of the accelerator pe...

AI Technical Summary

Problems solved by technology

At present, the accelerator control has not been improved in the field of electric vehicles; in the field of traditional vehicles, the travel of the accelerator pedal is mainly limited by the mechanical structure to prevent accidental stepping

Restricting the throttle through the mechanical structure has the following disadvantages: when misoperation occurs, the driver often steps on the accelerator pedal hard, and the mechanical structure is easily damaged by frequent pedaling, losing its function and causing damage to the throttle system, affecting normal driving. very low

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