Position process control system of miniature brushless DC motor

Xu Rui; Wang Bangji; Liu Qingxiang; Wang Dong; Weng Hong

doi:10.11884/HPLPB202234.210162

Volume 34 Issue 4

Mar. 2022

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Xu Rui, Wang Bangji, Liu Qingxiang, et al. Position process control system of miniature brushless DC motor[J]. High Power Laser and Particle Beams, 2022, 34: 043001. doi: 10.11884/HPLPB202234.210162

Citation:

Xu Rui, Wang Bangji, Liu Qingxiang, et al. Position process control system of miniature brushless DC motor[J]. High Power Laser and Particle Beams, 2022, 34: 043001. doi: 10.11884/HPLPB202234.210162

Xu Rui, Wang Bangji, Liu Qingxiang, et al. Position process control system of miniature brushless DC motor[J]. High Power Laser and Particle Beams, 2022, 34: 043001. doi: 10.11884/HPLPB202234.210162

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Position process control system of miniature brushless DC motor

doi: 10.11884/HPLPB202234.210162

College of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610031, China

Received Date: 2021-04-20
Accepted Date: 2022-01-07
Rev Recd Date: 2021-12-24

Available Online: 2022-01-27

Publish Date: 2022-03-19

Abstract

Abstract

To achieve beam scanning of mechanical phased array antenna, the miniature brushless DC motor is adopted to drive a helical antenna element to rotate to a predetermined radiation phase. A new micro brushless DC motor position control system is designed. A proportional sliding mode surface super twisting algorithm controller is constructed for velocity control, the position PID controller combined with velocity profile strategy is used to realize the intermediate process control of the rotation. Establishing the control system simulation model in Simulink, the feasibility of this scheme is verified, and the control system is constructed on an FPGA hardware experiment platform. According to the results of simulation and experiment, it’s indicated the micro brushless DC motor can drive the antenna to follow the preset velocity profile curve accurately, and the rotation angle reaches 180° within a 50 ms control period. Both the position tracking deviation in the intermediate process and the residual error at the balance position are less than ±3°.
- brushless DC motors,
- second order sliding mode control,
- velocity profile strategy,
- FPGA

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References(17)

References

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