コントローラフュージョンにおける外乱抑制特性の設計

抄録

A shaking table is a device which is used in vibration tests to estimate the aseismic capacity of buildings caused by earthquakes. All earthquake waves are currently recorded as acceleration data. Therefore, an acceleration feedback control, using an acceleration sensor, is proper to control the shaking table. However, the accuracy of acceleration sensor deteriorates in a low frequency. but, the accuracy of displacement sensor improves in a low frequency. Thus, I use controller fusion to design a control system which combines the acceleration feedback control and the displacement feedback control for improving broad band tracking performance. The purpose of this research is to construct a control system with good disturbance suppression characteristics. So, I designed are acceleration feedback control and the displacement feedback control with a high degree of design freedom for disturbance suppression characteristics by Dual Model Matching. As a result, I was able to design a control system reproduce an accurate seismic waveform.