Drive controller, drive control system and drive control method for sliding prevention of electric vehicle

Abstract

The invention relates to a drive controller for sliding prevention of an electric vehicle. The drive controller at least comprises a speed control module and a pulse-width modulation (PWM) output module. The drive controller also comprises a sliding position judgment module. The sliding position judgment module is used for judging whether the electric vehicle is in a sliding position state or not, and if yes, the sliding position deviation of the electric vehicle is calculated; the speed control module is used for generating a set value of torque current after closed-loop proportional integral (PI) regulation is performed according to the set rotating speed and the actual rotating speed of a motor when the electric vehicle is not in a sliding state, and otherwise, the set value of the torque current is determined according to the actual rotating speed of the motor and the sliding position derivation of the electric vehicle. The invention also provides a drive control system and a drive control method for the sliding prevention of the electric vehicle. According to the drive controller, the drive control system and the drive control method for the sliding prevention of the electric vehicle provided by the invention, through adopting the mode that whether the electric vehicle is in the sliding state or not is judged, and if yes, a sliding prevention mode is started to calculate the sliding position deviation so as to determine the set value of the torque current, and otherwise, normal mode control is performed, so that the electric vehicle is effectively prevented from sliding.

Description

technical field [0001] The present invention relates to the technical field of electric vehicles, and more specifically, relates to an electric vehicle anti-slope drive controller, system and drive control method. Background technique [0002] With the development of social economy, automobile has become one of the indispensable tools in people's life, and the automobile industry has become the pillar industry of modern economy. However, the development of automobiles is inseparable from the limited energy on the earth. With the development of the automobile industry, energy consumption continues to increase, and the energy crisis is becoming more and more serious. At the same time, the environmental pollution caused by the use of energy is becoming more and more serious. Electric vehicles have the characteristics of low pollution, low noise, energy saving, simple structure, control and maintenance, etc., and are an effective way to solve environmental and energy problems. ...

AI Technical Summary

Problems solved by technology

[0005] Since the development of electric vehicles is still in its infancy, and there is still a lack of effective anti-slope control technology for electric vehicles, it is urgent to improve the drive controller and drive control system of electric vehicles to solve the problem of anti-slip slopes for electric vehicles

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