Sunday, 7 June 2009

Wseas Transactions

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Transactions: WSEAS TRANSACTIONS ON SYSTEMS
Transactions ID Number: 32-537
Full Name: Chih-Han Chang
Position: Assistant Professor
Age: ON
Sex: Male
Address: 134, Sec.2, Ho-Ping E. RD., Taipei
Country: TAIWAN
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E-mail address: chihhan@ieee.org
Other E-mails: chihhanchang@msn.com
Title of the Paper: Twin-Layer Optimal Decoupled 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.H. HUANG
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Number of paper pages: 10
Abstract: The purpose of this paper is to address the design of decoupled-level large system controllers using an optimal reduced order model whose state variables are all output states. The reduced-order model retains their physical meaning and is used to design a decoupled-level linear feedback controller that takes into account the realities and constraints of the large systems. The decoupled-level control strategy is used and a global control signal is generated from the output variables to minimize the effect of interactions. As a result, the effectiveness of this controller is evaluated and considerable savings in computer memory are achieved. In conclusion, the controllers determined at the subsystem level depend only on local information operating to the particular machine. Example is given to illustrate the advantages of the proposed method. Responses of the system with decoupled-level scheme and optimal reduced order scheme are included for comparative analyses. It!
is recommended that the proposed method can be applied to supper large system.
Keywords: Optimal reduced order model, Decoupled controller
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