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Simulation research for quarter vehicle ABS on complex surface based on PID control

机译:基于PID控制的复杂表面四分之一车辆ABS仿真研究。

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The braking dynamics model of quarter vehicle ABS is established. In order to consummate simulation content of vehicle Anti-lock Brake System on all road surfaces, this research analyses various road surfaces on the brake working conditions in allusion to the adhesion coefficient of road surface. The PID control algorithm of vehicle braking with slip rate as the control object is presented on complex surface based on PID control theory. Simulation model of quarter vehicle, complex surface model, PID control strategy model and simulation model of complex surface are established by the MATLAB/Simulink. The simulation tests of complex surface are designed to obtain curve change of vehicle speed and wheel velocity on different adhesion coefficient surface with single wheel vehicle. The graph proves that the PID control reduces concussion error of slip rate at 9.45%–22.55%. Curtailment rate of braking distance is 6.30%. Curtailment rate of braking time is 9.69%. Curtailment rate of saltation wheel velocity is 12.76%. Curtailment rate of saltation slip rate is 6.77%. Slip rate is changing in the best predetemine range. The working reliability is proved on complex surface by ABS PID control. The results show that the PID control system can improve braking efficiency.
机译:建立了四分之一车辆ABS的制动动力学模型。为了完善车辆防抱死制动系统在所有路面上的模拟内容,本文针对各种路面在制动工作条件下的附着力系数进行了分析。提出了一种基于PID控制理论的复杂表面车辆制动的PID控制算法。通过MATLAB / Simulink建立了四分之一车辆的仿真模型,复杂曲面模型,PID控制策略模型和复杂曲面仿真模型。设计了复杂表面的仿真测试,以获取单轮车辆在不同附着系数表面上的车速和轮速的曲线变化。该图证明,PID控制将滑移率的震荡误差降低了9.45%–22.55%。制动距离缩减率为6.30%。制动时间缩减率为9.69%。盐轮速度的削减率为12.76%。盐化滑移率的削减率为6.77%。滑移率在最佳预定范围内变化。通过ABS PID控制证明了在复杂表面上的工作可靠性。结果表明,PID控制系统可以提高制动效率。

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