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http://dx.doi.org/10.12989/sem.2004.17.3_4.557

Decentralized energy market-based structural control  

Lynch, Jerome Peter (Department of Civil and Environmental Engineering, University of Michigan)
Law, Kincho H. (Department of Civil and Environmental Engineering, Stanford University)
Publication Information
Structural Engineering and Mechanics / v.17, no.3_4, 2004 , pp. 557-572 More about this Journal
Abstract
Control systems are used to limit structural lateral deflections during large external loads such as winds and earthquakes. Most recently, the semi-active control approach has grown in popularity due to inexpensive control devices that consume little power. As a result, recently designed control systems have employed many semi-active control devices for the control of a structure. In the future, it is envisioned that structural control systems will be large-scale systems defined by high actuation and sensor densities. Decentralized control approaches have been used to control large-scale systems that are too complex for a traditional centralized approach, such as linear quadratic regulation (LQR). This paper describes the derivation of energy market-based control (EMBC), a decentralized approach that models the structural control system as a competitive marketplace. The interaction of free-market buyers and sellers result in an optimal allocation of limited control system resources such as control energy. The Kajima-Shizuoka Building and a 20-story benchmark structure are selected as illustrative examples to be used for comparison of the EMBC and centralized LQR approaches.
Keywords
energy market-based control; structural control; decentralized control; market-based control; semi-active dampers; large-scale systems;
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