Method and device for determining accelerator pedal information

Abstract

The invention discloses a method for determining accelerator pedal information. The method comprises the following steps of: acquiring electrical signals output by a first sensor and a second sensor respectively; determining first accelerator pedal information and second accelerator pedal information of an accelerator pedal at the current moment, and storing; determining weighting coefficients of the first accelerator pedal information and the second accelerator pedal information; and determining the accelerator pedal information by using the first accelerator pedal information and the weighting coefficient of the first accelerator pedal information as well as the second accelerator pedal information and the weighting coefficient of the second accelerator pedal information. By the method, an electrical signal generated by a sensor which fails cannot be used in the process of calculating the accelerator pedal information, so that the accuracy of the pedal information is improved, and potential safety hazards are eliminated; after the two sensors are arranged, the redundant performance of a system is improved; and when one sensor fails, the electrical signal output by the other sensor can still be used for finishing the calculation of the accelerator pedal information. The invention also discloses a device for determining the accelerator pedal information.

Description

technical field [0001] The invention belongs to the technical field of vehicle control, in particular to a method and device for determining accelerator pedal information. Background technique [0002] Accelerator pedal information reflects the driver's demand for vehicle power, which is the main part of the driver's control of the vehicle. The vehicle controller of electric vehicles (such as: hybrid electric vehicles, pure electric vehicles and fuel cell electric vehicles) information to understand the driver's driving intentions. Specifically, the vehicle controller analyzes the accelerator pedal information, and sends torque commands to the motor controller and the engine control unit according to the control strategy. Accelerator pedal information directly affects the safety of the vehicle. If the accelerator pedal information is wrong, it will lead to loss of control of the vehicle, and even serious safety problems. [0003] Currently, an accelerator pedal sensor is i...

AI Technical Summary

Problems solved by technology

[0005] In view of this, the purpose of the present invention is to provide a method for determining accelerator pedal information, which can solve the problem of poor pedal information accuracy and even wrong pedal information in the prior art, which may easily cause potential safety hazards

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