Research On High Quality Collaborative Control Strategy Of Heteropolar Double Air Gap Compound Moto

The rapid growth of position servo systems such as CNC machine tools and robots raises the requirements of compactness and robustness for motor.Because a single motor cannot meet the system’s increasing demand gradually,several motors must be controlled or compound motors must be used to give a better coordinated operation scheme.The collaboration technology of multi-motor and compound motor is becoming increasingly essential in the field of motion control.Improving the resilience of compound motor systems and achieving efficient operation is of tremendous practical significance and value.Firstly,strengthening the robustness of the motor system is a critical component in the servo industry.When the typical PID control method is applied to a dual-motor compound system,the system can modify the PID parameters to produce a great control effect in a single working condition,but maintaining a great control effect in the face of time-varying multi-working situations is problematic.To address this issue,a PID parameter self-adjusting control strategy based on a fuzzy control algorithm is developed,and the fuzzy control algorithm is integrated into the system’s control strategy.It is discovered that the synchronous control of the composite motor system has higher dynamic response ability,robustness,and steady-state accuracy than the traditional PID control algorithm.Second,the control objects in the classic dual-motor cooperative control method are typically two motors with the same parameters,but there has been little research on the cooperative ability of two composite motors with varied parameters and output capabilities.A dual-motor parallel control mode based on torque distribution is set up using dual-motors with dual-gaps and dual-poles,and adjusting the power output ratio of the dual motors is essentially a torque distribution control.The on-load cooperative control of two motors with varying output capabilities is finally realized after torque distribution control.Third,the servo field has paid close attention to how to efficiently increase the efficiency of the motor and its control system.The development of motor system efficiency is evident not only in the motor itself,but also in the efficient control algorithm.For dual-air-gap compound motors,an efficiency optimization approach based on minimum copper consumption is suggested in this study.To begin,the model of two motors’ hard shaft connections is built,and the torque output bearing ratio of the DDCM system is computed when the system efficiency is optimal.The torque distribution ratio is determined using this output bearing ratio,and the torque output of two motors is controlled using this ratio,resulting in minimal copper loss of the system output and enhanced system operation efficiency.Finally,the DDCM experimental platform is constructed,and the suggested control algorithm is evaluated on the DDCM experimental platform to validate its effectiveness.