期刊论文

Zhang, Jiafan

英文

Mechanical Systems and Signal Processing

0888-3270

2016

68-69

555-561

10.1016/j.ymssp.2015.07.012

For undamped vibration systems, we propose a method to solve the partial eigenstructure assignment problem by static output feedback control. The proposed algorithm can accurately assign prescribed eigenpairs while keeping other unassigned eigenpairs unchanged for this particular second-order model, which mainly involves numerically stable matrix computations, such as QR decomposition (or singular value decomposition). More importantly, the successful assignment can be achieved with some

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A novel method for partial eigenstructure assignment of undamped vibration systems using acceleration and displacement output feedback is presented in this paper. It is based on modifications of mass and stiffness that preserve partial eigenstructure. A numerical algorithm for determining the required control gain matrices of acceleration and displacement output feedback, which assign the desired eigenstructure, is developed. This algorithm is easy to implement, and works directly on the second-order system model. More importantly, the algorithm allows the output matrix and the input matrix to...