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A new approach to control non-standard induction machines, using a fuzzy logic algorithm

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4 Author(s)
Vrey, C.C.A. ; Energy Lab., Rand Afrikaans Univ., Johannesburg, South Africa ; Shaw, I.S. ; van Wyk, J.D. ; Barnard, J.M.

Because of the widespread use of induction machines, the design of a control system, that is independent of any parameter changes, is necessary. Normally PI-controllers are used, with slip controllers, to determine the slip. The slip value is added to the synchronous frequency to achieve a certain set point value. The PI-controller is replaced with a fuzzy controller because it is independent of any changes in the system parameters. A battery operated wheelchair, using nonstandard 3-phase cage rotor induction machines is used as a drive system together with an inverter that is controlled by a microcomputer

Published in:

Industrial Electronics, Control and Instrumentation, 1994. IECON '94., 20th International Conference on  (Volume:2 )

Date of Conference:

5-9 Sep 1994