Torque Compensation System Design for a Spherical Superconducting Rotor

The aim of this paper is to design a torque compensation system with guaranteed performance that allows attitude control of the superconducting rotor, which is spinning at 4.2 K. The torque compensation system includes four pairs of torque-producing superconducting coils. The torques generated by th...

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Bibliographic Details
Published in:IEEE transactions on instrumentation and measurement 2014-12, Vol.63 (12), p.2789-2794
Main Authors: Hu, Xinning, Wang, Qiuliang, Cui, Chunyan, Gao, Fei, Wang, Hui, Li, Yi, Wang, Housheng, Cheng, Junsheng, Dai, Yinming, Yan, Luguang
Format: Article
Language:English
Subjects:
Coils
Compensation
Design engineering
Disturbance torque
fiber optic sensor
Instrumentation
Magnetic levitation
Mathematical analysis
Optical fiber sensors
Position measurement
Rotors
spherical superconducting rotor
spin-axis position measurement
Superconducting coils
Superconductivity
Torque
Torque control
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Description
Summary:The aim of this paper is to design a torque compensation system with guaranteed performance that allows attitude control of the superconducting rotor, which is spinning at 4.2 K. The torque compensation system includes four pairs of torque-producing superconducting coils. The torques generated by the torque-producing coils are calculated using numerical analysis method. This paper presents an approach to design a torque compensation system that is used to erect the rotor prior to and during spinup, and then is also used to develop error compensation torques.
ISSN:0018-9456
1557-9662
DOI:10.1109/TIM.2014.2318872