Control technology of high speed food sorting robot based on closed loop and feedforward control
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(1. Fuzhou Second Technician College, Fuzhou, Fujian 350000, China; 2. Fuzhou University, Fuzhou, Fujian 350000, China; 3. Fujian Chuanzheng Communications College, Fuzhou, Fujian 350000, China)

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    Abstract:

    Objective: in view of the current situation that the food sorting robot has higher and higher requirements for speed and precision. Methods: Based on the system architecture of high-speed parallel food sorting robot, a control method of high-speed parallel food sorting robot is proposed, which combines the traditional closed-loop control of kinematics with the feedforward control of torque; Based on the original genetic algorithm tuning PID control parameters, the torque feedforward control method is introduced for dynamic control; The dynamic tracking accuracy and joint torque of the system are compared and analyzed, and the superiority of the control method is verified. Results: compared with the traditional PID control, the maximum and average joint position tracking error is reduced by more than 65%, and the maximum trajectory error is reduced by more than 50%. Conclusion: The dynamic disturbance can be suppressed significantly under the control method when the sorting robot works at high speed.

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柳振宇,薛毓强,谢祖强.基于闭环和前馈控制的高速食品分拣机器人控制技术[J].食品与机械英文版,2021,37(7):87-93.

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  • Received:February 18,2021
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  • Online: February 15,2023
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