Abstract
A structural active control method with attenuating earthquake is proposed. Its aim is to design a state feedback controller, such that the closed-loop structural system has desired eigenvalues and the disturbance vectors decouple from the output vectors, which can minimize the influence of earthquake inputs. Firstly, based on a result of parametric eigenstructure assignment, the considered problem is changed into an optimization problem with some constraints. Secondly, the corresponding algorithm and the detail steps to solve this problem are developed. This method utilizes directly the original matrices in structure systems, and thus it is convenient for applications. Finally, a shear type of three-story benchmark structure under earthquake excitation is analyzed by using the proposed algorithm, and the simulation results show the effect of the proposed algorithm.
| Original language | English |
|---|---|
| Pages (from-to) | 79-85 |
| Number of pages | 7 |
| Journal | World Earthquake Engineering |
| Volume | 23 |
| Issue number | 3 |
| State | Published - Sep 2007 |
Keywords
- Active control
- Disturbance decoupling
- Eigenstructure assignment
- Simulation analysis
- Structural vibration
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