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High performance speed control of permanent magnet synchronous motor with eccentric load

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5 Author(s)
Jung-Woo Park ; Korea Electrotechnol. Res. Inst., Changwon, South Korea ; Dae-Hyun Koo ; Jong-Moo Kim ; Gyu-Hong Kang
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This paper presents a study on the high performance speed control of permanent magnet synchronous motor for computerised tomography (CT). A CT system has many units on its rotary gantry, such as X-ray tube, detector, heat exchanger and data acquisition system. Therefore, to balance many components which have different weights is difficult; this is an inescapable problem in the CT systems. In this paper, to promote speed performance against eccentric load, a vector control algorithm with a load torque observer is presented. Through experimental results, it is verified that a CT drive system with a load torque observer has high performance speed regulation ability.

Published in:

Industry Applications Conference, 2001. Thirty-Sixth IAS Annual Meeting. Conference Record of the 2001 IEEE  (Volume:2 )

Date of Conference:

Sept. 30 2001-Oct. 4 2001