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This paper addresses a robust decentralized proportional-integral (P1) control design for power system load- frequency regulation with communication delays. In the proposed methodology, the P1-based load-frequency control (LFC) problem is reduced to a static output feedback control synthesis for a multiple-delay system. The proposed control method gives a suboptimal solution using a developed iterative linear matrix inequalities algorithm via the mixed H2 /H∞ control technique. The control strategy is suitable for LFC applications that usually employ the PI control. To demonstrate the efficiency of the proposed control strategy, an experimental study has been performed at the Research Laboratory, Kyushu Electric Power Company, Japan. [ABSTRACT FROM AUTHOR]

Functionality of DAQ-Middleware is presented with an introduction to DAQ-Middleware followed by its features, including a detailed description of DAQ-Components with an example of the architecture, system configuration related to the configuration database and condition database,Web interface, and finally remote booting of DAQ-Components. DAQ-Middleware is already used in experiments at J-PARC (Japan Proton Accelerator Research Complex), Tokai, Japan. [ABSTRACT FROM AUTHOR]

Proposes a new computation algorithm to determine the optimal configuration of secondary radial power system in normal and fault state in Japan, as of February 2003. Basis of the proposed algorithm; Determination configuration problem in normal and fault state; Operational constraints in the determination configuration problem.