Saturday 1 August 2009

Wseas Transactions

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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 32-666
Full Name: Chih-Han Chang
Position: Assistant Professor
Age: ON
Sex: Male
Address: No. 134, Sec.2, Ho-Ping E. RD., Taipei, TAIWAN (R.O.C.)
Country: TAIWAN
Tel: +886-2-27321104ext3326
Tel prefix:
Fax: +886-2-27325457
E-mail address: chihhan@ieee.org
Other E-mails: chihhanchang@msn.com
Title of the Paper: Grey Prediction Optimal Output-Controlled Controller Design
Authors as they appear in the Paper: T.Y. Hwang, C.C. Huang, Y.N. Lien, C.H. Chang, T.L. Huang, and C.M. Chung
Email addresses of all the authors:
Number of paper pages: 10
Abstract: In this paper, we propose a new method to design a grey prediction system controller using output feedback. The optimal reduced order model will be used to retain the physical meaning of the output states. By using only the output states feedback, the control strategy can be implemented easily. The grey prediction method adopts the forecasting information from the output state variables to control system behaviour. As a result, it reduces the oscillation and enhances the dynamic stability of the system. The advantages of the proposed method are verified through a detailed simulation of a multi-machine power system. Responses of the system with the proposed method and full state feedback optimal control are included for comparative analyses. In conclusion, the effectiveness of the grey prediction system controller in enhancing the dynamic performance stability is much better than the traditional optimal control methods.
Keywords: Optimal reduced order model, Grey prediction
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