NDLI: Robust adaptive voltage-fed permanent magnet step motor control without current measurements

Content Provider	IEEE Xplore Digital Library
Author	Krishnamurthy, P. Khorrami, F.
Copyright Year	1993
Abstract	In this paper, a robust adaptive nonlinear dynamic controller is designed to achieve practical stabilization for position tracking error of a voltage-fed permanent-magnet stepper motor. The control design is an output-feedback design that utilizes only rotor position and velocity measurements. Currents are not available for feedback. Adaptations are utilized so that no knowledge of motor parameters is required except for an upper and lower bound on the time constant of the electrical subsystem. Furthermore, these bounds are unnecessary under the assumption of sinusoidal flux distribution. The proposed controller has a dynamic order of three and is robust to load torques, cogging forces, and other disturbances satisfying certain bounds. The controller also guarantees asymptotic stabilization if the torque disturbances can be neglected and the asymptotic set-point regulation in the sinusoidal flux distribution case.
Sponsorship	IEEE Control Systems Society
Starting Page	415
Ending Page	425
Page Count	11
File Size	957082
File Format	PDF
ISSN	10636536
Volume Number	11
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-05-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robust control Programmable control Adaptive control Motor drives Current measurement Torque control Voltage control Error correction Permanent magnet motors Control design
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Electrical and Electronic Engineering

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