Trajectory Tracking of Rotating Shaft with Active Magnetic Bearings under Different Reference Signals

Authors

  • Xudong Guan College of Mechanical and Electrical Engineering Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
  • Jin Zhou College of Mechanical and Electrical Engineering Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
  • Haitong Wu College of Mechanical and Electrical Engineering Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
  • Yue Zhang College of Mechanical and Electrical Engineering Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Keywords:

Active magnetic bearings, machining movement, mechatronics modeling, reference signal, trajectory tracking

Abstract

Using magnetic levitation technology to implement a reference signal can avoid fluid mechanical surge and better control the movement of motorized spindle-mounted cutting tools. Magnetic levitation has the advantages of no friction, no mechanical wear, and high efficiency. In this paper, the performance of axial trajectory tracking control of active magnetic bearings with a classical proportional-integral-derivative (PID) controller is studied. First, the principles of trajectory tracking with an active magnetic bearing system are expounded, and the mechatronics models of such a system are established. Then, a PID controller is designed and trajectory tracking performance using different reference signals is verified by simulation and experiment. The results show that PID-based control of magnetic bearings can meet the requirements of tracking position control. In the experiments, the tracking errors were all within 18 μm in the rotating state.

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References

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Published

2019-09-01

How to Cite

[1]
Xudong Guan, Jin Zhou, Haitong Wu, and Yue Zhang, “Trajectory Tracking of Rotating Shaft with Active Magnetic Bearings under Different Reference Signals”, ACES Journal, vol. 34, no. 09, pp. 1435–1444, Sep. 2019.

Issue

2019: Vol 34 Iss 9

Section

Articles