Abstract
The motion control platform of 3D bio-printing device is composed of linear motor servo system, rotary motor servo system and stepping motor servo system. Considering that all servo control systems are essentially non-linear, so is the motion control of 3D bio-printing device. In order to verify the anti-interference ability and the ability to weaken non-linear change of CX2030-0123 controller PID control algorithm for motion control of 3D bio-printing device. On the basis of studying the motion control scheme and its working principle, the selection and construction of hardware platform, the dynamic modeling and servo system modeling of X-axis linear motor are emphatically studied, and the trajectory tracking experiment of X-axis linear motor servo system shows that: The position fluctuation of X-axis cannot be well suppressed by using PID control algorithm in CX2030-0123 controller. In order to improve the printing accuracy, robustness and stability of the motion control platform of 3D bio-printing device, more effective motion control algorithms need to be further studied.
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