基于滑移率的ABS粒子群优化PID仿真控制研究

PID Simulation and Control Study on ABS Particle Swarm Optimization Based on Wheel Slip Rate

通过对车辆制动过程的分析以及ABS工作原理的分析,在MATLAB/Simulink环境下,建立单车轮ABS仿真模型,并对基于滑移率为控制对象的常规PID控制的汽车ABS系统以及PSO优化PID控制的汽车ABS系统进行仿真与研究。研究和仿真表明,PSO优化PID控制的ABS系统与常规PID控制的ABS系统相比具有更好的滑移率效果和制动距离。运用模拟驾驶仪开展的仿真试验结果与理论分析相吻合。

Through analyzing the vehicle braking process and ABS working principle,the single wheel ABS simulation model was established in the MATLAB/Simulink environment.The anti-lock braking system with a PID controller and with a PSO optimization PID controller based on the slip rate were simulated and studied.The simulation results show that the anti-lock braking system with a PSO optimization PID controller has better slip rate and braking distance,comparing with the anti-lock braking system with a PID controller.The simulation results got by pilot test coincide with those got by the theoretical analysis.