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- Title
Investigation on the Measurement Method for Output Torque of a Spherical Motor.
- Authors
Wen, Yan; Li, Guoli; Wang, Qunjing; Tang, Runyu; Liu, Yongbin; Li, Haolin
- Abstract
The output torque is an important performance indicator of a motor. Due to the special structure of a permanent magnet spherical motor (PMSM), it is difficult to measure its torque. This paper proposes a novel method to measure the output torque of the PMSM. The proposed method uses the microelectromechanical system (MEMS) gyroscope to measure the rotor motion acceleration, which is then used to calculate the output torque based on the rotor dynamics equation. In this paper, we firstly simulate and analyze the output torque of the PMSM. Secondly, we design a torque-measuring device to measure the output torque. Thirdly, we compare and discuss the experimental and simulation results. The comparison results show that the proposed method is feasible.
- Subjects
GYROSCOPES; ELECTRIC torque motors; PERMANENT magnet motors; TORQUE; MICROELECTROMECHANICAL systems; INVESTIGATIONS; ROTOR dynamics
- Publication
Applied Sciences (2076-3417), 2020, Vol 10, Issue 7, p2510
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app10072510