システム制御情報学会論文誌
Online ISSN : 2185-811X
Print ISSN : 1342-5668
ISSN-L : 1342-5668
動的アクチュエータを有する柔軟構造物のモデリングと制御
新谷 篤彦大住 晃
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ジャーナル フリー

1996 年 9 巻 4 号 p. 179-187

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In this paper, the modeling and optimal control problems are investigated for a class of mechanically flexible cantilevered beams tipped with dynamic actuators on the top. First, considering the mechanism of the tipped dynamic actuator, both dynamics of the beam and the actuator are derived via the Lagrangian formulation. The resultant system is a hybrid system described by an Euler-Bernoulli type partial differential equation and an ordinary differential equation of second-order. Secondly, to suppress the vibration of the beam, based on the derived hybrid system model, we propose the optimal control laws using the dynamic actuators. To obtain the modal expression, a new transformation called the boundary homogenization is introduced. Consequently, the optimal control have a feedback form of the state variables of the beam and the actuator. Finally, several numerical simulation results are presented to demonstrate the good performance of the proposed theory.

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