UNSPECIFIED (1997) Robust speed control of a switched reluctance vector drive using variable structure approach. IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 44 (6). pp. 800-808. ISSN 0278-0046

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Abstract

Robust speed control of a switched reluctance vector drive is presented in this paper, An approximate sliding-mode input power controller and another feedforward sliding-mode speed controller are combined with space voltage vector modulation. The resultant drive has rapid and robust speed response, In addition, a switched reluctance drive incorporating the proposed controller requires only one current sensor and can be implemented in a low-cost 8-bit microcomputer and a few discrete integrated circuits, Furthermore, the controller does not require any off-line characterization of the motor or load characteristics and could easily be applied to switched reluctance motors with any number of phase windings. A 4-kW four-phase switched reluctance drive is constructed to test the performance of the controller, The results show that a step response From 200 to 1980 r/min needs only 2-3 s, even when driving a high-inertia load, and that the speed error can be controlled below 1%, even under unknown and dynamic loads. It is concluded that modified sliding-mode controllers are effective in dealing with the highly nonlinear characteristics of the switched reluctance drive system.

Item Type:	Journal Article
Subjects:	T Technology > TL Motor vehicles. Aeronautics. Astronautics T Technology > TK Electrical engineering. Electronics Nuclear engineering
Journal or Publication Title:	IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
Publisher:	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
ISSN:	0278-0046
Date:	December 1997
Volume:	44
Number:	6
Number of Pages:	9
Page Range:	pp. 800-808
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/16218

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