NDLI: Sensorless explicit model predictive control of permanent magnet synchronous motors

Content Provider	IEEE Xplore Digital Library
Author	Mariethoz, S. Domahidi, A. Morari, M.
Copyright Year	2009
Description	Author affiliation: Automatic Control Laboratory, ETH Zürich, Physikstrasse 3, CH - 8092, Switzerland (Mariethoz, S.; Domahidi, A.; Morari, M.)
Abstract	The present paper deals with sensorless model predictive control of permanent magnet synchronous motors. The proposed explicit controllers consist in precomputed (optimal) state feedbacks that are selected according to the measured state using binary search-trees. This type of controller is well suited to obtain very fast control algorithms that impose high dynamic performance. The control scheme is based on two cascaded explicit model predictive controllers, one for the torque control another for the speed control. The nonlinearities of the motor dynamics that are due to the speed are taken into account into the torque controller derivation. The resulting adaptive closed-loop system presents a high dynamic performance for all operating points. A rotor speed and position observer is used to orient the control variables on the rotor flux without position sensor. The overall control scheme allows optimal use of the inverter and drive dynamic capabilities. The proposed concepts are validated experimentally.
Starting Page	1250
Ending Page	1257
File Size	959363
Page Count	8
File Format	PDF
ISBN	9781424442515
DOI	10.1109/IEMDC.2009.5075363
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Predictive models Predictive control Permanent magnet motors Sensorless control Torque control Nonlinear dynamical systems Optimal control Rotors State feedback Velocity control
Content Type	Text
Resource Type	Article

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