| 离心机振动台设计与控制策略研究 |
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| 引用本文： | 谢海波,卢俊廷,杜泽锋,杨华勇.离心机振动台设计与控制策略研究[J].液压与气动,2019,0(5):81-86. |
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| 作者姓名： | 谢海波 卢俊廷 杜泽锋 杨华勇 |
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| 作者单位： | 浙江大学流体动力与机电系统国家重点实验室, 浙江杭州310027 |
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| 摘 要： | 离心机振动台工作在土工离心机高速旋转产生的模拟超重力场中,相比于常重力振动台其电液伺服系统频率响应要求更高。针对高频下振动台电液伺服系统高频波形复现精度低的问题,设计了关键控制技术预研试验台,建立了系统的精确传递函数模型并进行了仿真分析,提出了多状态反馈和频域前馈相结合的控制策略。搭建了离心机振动台试验台及其电液伺服控制系统,利用试验台验证了控制策略的正确性。
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| 关 键 词： | 离心机振动台 高频响 液压系统建模 多状态反馈 频域前馈 |
| 收稿时间： | 2018-08-30 |
Design on Centrifuge Shaker and Research on Control Strategy |
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| XIE Hai-bo,LU Jun-ting,DU Ze-feng,YANG Hua-yong.Design on Centrifuge Shaker and Research on Control Strategy[J].Chinese Hydraulics & Pneumatics,2019,0(5):81-86. |
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| Authors: | XIE Hai-bo LU Jun-ting DU Ze-feng YANG Hua-yong |
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| Affiliation: | State Key Laboratory of F1uid Power & Mechatronic System, Zhejiang University, Hangzhou, Zhejiang310027 |
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| Abstract: | A centrifuge shaker works in a simulated super gravity field produced by high speed rotation of geotechnical centrifuge. Compared to an electro-hydraulic servo system of shaker working under normal gravity, it requires higher frequency response. In order to improve accuracy of electro-hydraulic system of the shaker under high frequency, a testing rig is designed, and an accurate transfer function model is established, and the result of simulation is analyzed. A control strategy combining multi-state feedback and frequency domain feedforward is proposed. A testing rig and its electro-hydraulic servo control system are built, and the correctness of the control strategy is verified through the testing rig. |
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| Keywords: | centrifuge shaker high frequency response hydraulic system model multi-state feedback frequency domain feedforward |
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