基于模糊PID的三机驱动振动系统控制同步研究

Research on controlled synchronization in the vibrating system driven by three motors based on fuzzy PID

针对圆周对称均匀分布三机驱动振动系统振动同步运动不能得到理想稳定的工作状态,提出了一种三激振器振动系统的控制同步方法。建立了同向回转三机驱动振动系统机电耦合动力学模型,推导出系统各方向位移响应方程。介绍了模糊PID控制算法与主从控制策略相结合所设计的同步控制器,并运用该控制器对三激振器的转速和相位进行了同步控制。利用Matlab/Simulink对该振动系统给出了数值仿真分析,在振动实验台上进行了验证性实验,验证了该控制方法的有效性。

In view of the fact that the vibration synchronous motion of the three machine drive vibration systems with circular symmetry and uniform distribution can’t obtain an ideal and stable working state,a control synchronization method of the three exciter vibration system is proposed.The electromechanical coupling dynamic model of the driving vibration system of the three rotating machines in the same direction is established,and the displacement response equations of the system in each direction are derived.This paper introduces the synchronization controller designed by combining fuzzy PID control algorithm with master-slave control strategy,and uses this controller to synchronize the speed and phase of the three exciters.The numerical simulation analysis of the vibration system is given by Matlab/Simulink,and the validation experiment is carried out on the vibration test bench to verify the effectiveness of the control method.