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Power sector restructuring has prompted the application of modern portfolio theory among market participants. Much research has been devoted to power portfolio optimization problems. However, the portfolio composition adopted in literature is rather hypothetical than realistic. From an engineering perspective, it is necessary to use real traded contract products to construct the portfolio. In this...
Minimum volume design is traditionally used as an optimization method which is based on objectives, design variables and constraint conditions, rather than a guiding principle that can promote the creative design. According to the tendency of modern design and the former optimization design of minimum volume, this paper proposes a new volume minimizing design principle(VMDP) in computer supported...
Air conditioning (AC) system is a system with asynchronous and uncertain nature. In this paper, the method of fuzzy discrete event systems (FDES) is introduced to the research of AC energy-saving control. A fuzzy automaton modeling is given for AC energy-saving control and effectiveness optimization is made. To facilitate the implement of the control and energy saving, priorities have been assigned...
This paper applies a novel optimization method for proportional-integral-differential (PID) controller design with D-stable regions based on integral of time-weighted absolute error (ITAE) performance to active queue management (AQM) routers that permits the designer to control the desired dynamic performance of a closed-loop system. A set of desired D-stable regions in the complex plane is first...
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