Design of Uniform Speed Control System for the Inclined Multi-axis Linear Motion Unit

Xuemei Bai, Bin Guo, Zhiyong An


The linear motion unit is employed in the camera resolution detection system. Three linear motors are mounted on the flat surface, inclined surface of +40 degree and -40 degree. The multi-axis synchronization, speed precision and motion distance in the uniform speed motion sections should meet the system requirements. The key points of the uniform control system include the motion path planning, motor control and multi-axis control based on the CAN bus. The control system was designed especially and the precision of the uniform speed is 0.1% and the uniform distance is up to half of the whole motion distance.

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