基于参数自整定模糊PID算法的平地机行走速度优化控制系统设计

针对平地机作业时行进速度精度的滞后问题及控制参数,提出了基于参数自整定模糊PID算法的平地机行走速度优化控制系统,协调解决行进速度的滞后问题,并完成了将该算法应用在平地机的控制系统中.系统采用单片机作为行走速度的控制中心,为验证参数自整定模糊PID算法的有效性和可靠性,对平地机的行进速度控制进行了设定干扰信号的测试.通过Matlab软件的Simulink仿真,分析了不加PID的常规控制、PID控制、参数自整定模糊PID控制进行速度稳定控制的效果,测试显示响应时间短、响应速度较快,能够满足设计的要求.

Design of Walking Speed Optimization Control System Based on Parameter Self-tuning Fuzzy PID Algorithm

According to the speed and accuracy of motor grader operation when the travel delay problem and control parameters,the optimization of speed control system of grader walking tuning fuzzy PID algorithm was put forward based on parameter coordination problem solving speed lag,and the application of the algorithm was completed in the control system of grader.The system uses a single-chip microcomputer as the control center of walking speed,in order to verify the validity of the parameter self tuning fuzzy PID algorithm and reliability of grader speed control for a set of interference signal test,the simulations were given by Simulink Matlab software,the control effect of speed stability of the conventional control,PID control,PID parameter self-tuning fuzzy PID control were analyzed and the test results showed that the response time is short,fast response speed,can meet the design requirements.