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A speed sensorless vector control for brushless DC motor using binary observer

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4 Author(s)
Young-Seok Kim ; Dept. of Electr. Eng., Inha Univ., Inchon, South Korea ; Jun-Young Ahn ; Wan-Sik You ; Kyu-Min Cho

In this paper, a binary observer with continuous inertial coordinate-operator feedback is proposed to alleviate the chattering phenomenon and enhance the estimation performance in the speed sensorless vector control of brushless DC motors. Binary control consists of a primary loop regulator and an auxiliary loop regulator which smoothly regulates the gain of the primary loop regulator. Substituting a continuous switching input for a discontinuous one, the binary observer has a good estimation performance under the existence of delays and an implementation switching frequency limitation

Published in:

Industrial Electronics, Control, and Instrumentation, 1996., Proceedings of the 1996 IEEE IECON 22nd International Conference on  (Volume:3 )

Date of Conference:

5-10 Aug 1996