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5 August 2003 A new cluster control applied to composite board with stiffeners
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A new vibration control system, named 'block-by-block' distributed cluster control system, is presented with a CFRP board with stiffeners. Distributed cluster control system which had been applied for flat simple board is a control system includes 'cluster sensing' which classified numberless vibration modes into some limited number of clusters by using a group of sensors, and 'cluster actuation' which can actuate only specific cluster. It means, this system controls only target clusters. When the system is applied to complex structure such as this CFRP board with stiffeners, it is not possible to applied directly since the forms of vibration modes are not as simple as the one of flat board but there exist three blocks; 2 side blocks and one center block between two stiffeners. In this paper, after a rough explanation of distributed cluster control system, the idea of 'block-by-block' control is explained and verified experimentally with FEM analysis using some kinds of sensors and actuator.
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Yoshihiro Kikushima, Akiyoshi Shimada, Kaori Yuse, Takehiko Segawa, and Nobuo Tanaka "A new cluster control applied to composite board with stiffeners", Proc. SPIE 5056, Smart Structures and Materials 2003: Smart Structures and Integrated Systems, (5 August 2003);

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