NDLI: Modeling and control of a self-bearing switched reluctance motor

Content Provider	IEEE Xplore Digital Library
Author	Wei-Tin Liu Sheng-Ming Yang
Copyright Year	2005
Description	Author affiliation: Dept. of Mech. & Electro-mech. Eng., Tamkang Univ., Tamsui, Taiwan (Wei-Tin Liu; Sheng-Ming Yang)
Abstract	Due to its special structure, the shaft radial force and torque of a three-phase 12/8 switched reluctance motor can be separately controlled by proper selection of pole currents. When all the pole currents are controlled independently, it is possible to control the radial force to counterbalance the external force acting on the shaft In this paper, a control scheme for self-bearing of a 12/8 pole SRM drive is proposed. The rotor needs only one bearing for rotation and to constrain the axial movement The other end can move freely in radial direction but is balanced with the radial force produced by the motor. Motor torque is controlled with the conventional method, but two additional poles in the phase with descending inductance are excited to produce the required radial force for rotor balancing. A model suitable for torque and radial force control is derived and then used for the synthesis of self-bearing control. The proposed control scheme is also implemented and verified experimentally.
Starting Page	2720
Ending Page	2725
File Size	792948
Page Count	6
File Format	PDF
ISBN	0780392086
ISSN	01972618
DOI	10.1109/IAS.2005.1518844
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-10-02
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Shafts Inductance Induction motors Torque control Rotors Stator windings Teeth Reluctance machines Force control Reluctance motors
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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