High-precision control of LSRM based X-Y table for industrial applications

Area of Science:

• Robotics and Automation
• Mechanical Engineering
• Control Systems

Background:

• Traditional X-Y tables often involve complex mechanical structures and costly components.
• Achieving high precision and robustness in positioning systems remains a key challenge in manufacturing.

Purpose of the Study:

• To propose a novel X-Y table design utilizing a direct-drive linear switched reluctance motor (LSRM).
• To develop and validate an adaptive position control strategy for the LSRM-based X-Y table.
• To demonstrate the system's advantages over conventional controllers for high-precision applications.

Main Methods:

• Design and implementation of an X-Y table driven by a direct-drive linear switched reluctance motor.
• Development of an adaptive position control algorithm incorporating online parameter identification and pole-placement regulation.
• Experimental validation and comparison with a Proportional-Integral-Derivative (PID) controller.

Main Results:

• The proposed X-Y table exhibits a simple, stable mechanical structure and low cost.
• The adaptive control method achieves superior dynamic response, static performance, and robustness to disturbances.
• Experimental results confirm the effectiveness and advantages of the LSRM-based system.

Conclusions:

• The direct-drive linear switched reluctance motor (LSRM) offers a viable solution for cost-effective and high-performance X-Y tables.
• The developed adaptive control strategy enhances positioning accuracy and system stability.
• This technology holds significant potential for applications in high-precision manufacturing areas.