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NCUEIR > College of Engineering > Department and Graduate Institute of Electronic Engineering > Proceedings > Item 987654321/11164

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/11164

Title:	A study of phase/frequency-locked servo system by fuzzy control technique
Authors:	Hsieh, G. C.;Lee, H. M.;Chen, Liang‐Rui;Penth, Y. J.
Contributors:	電機工程系
Date:	1997-10
Issue Date:	2012-06-05T06:50:24Z
Publisher:	IEEE
Abstract:	A novel fuzzy pulse pump controller (FPPC) is proposed to achieve a fuzzy-control-based phaselfrequency-locked servo system (FC-PFLS). Three sets of membership fimctions are constructed according to the locking performance indexes, position error, discrete time change of position error, and the output crisp value. A set of fuzzy rules is built in the fuzzy-logic controller (FLC) to process the detected position error and provide a suitable pump voltage for the motor drives. The FPPC can fuzzically provide the motion profiles, such as acceleration, constant, and deceleration for the motor in a fast response without overshoot and with nearly zero steady-state error. The physical model and the linearized model of the presented FC-PFLS are built. A design example of realizing an X-Y mode FC-PFLS is constructed. The experiments of the FC-PFLS comparing with DPPLS and SPSCS are conducted. In comparison with the DPPLS, the acquisition times of the presented FC-PFLS for the short, middle and long distance servos are improved by 30 %, 53 % and 57 %, respectively. For the SPSCS, the acquisition times are improved by 30%, 14 %, and the same, respectively.
Relation:	IEEE Int. Conf. SMC., 1997年10月12-15日: 1323-1328
Appears in Collections:	[Department and Graduate Institute of Electronic Engineering] Proceedings

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