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首页> 外文期刊>International journal of uncertainty, fuzziness and knowledge-based systems >ADAPTIVE FUZZY SLIDING MODE CONTROL FOR SEISMICALLY EXCITED BRIDGES WITH LEAD RUBBER BEARING ISOLATION
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ADAPTIVE FUZZY SLIDING MODE CONTROL FOR SEISMICALLY EXCITED BRIDGES WITH LEAD RUBBER BEARING ISOLATION

机译：含铅隔震隔震的自适应桥梁自适应模糊滑模控制

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摘要

This study examines the feasibility of applying adaptive fuzzy sliding mode control (AFSMC) strategies to reduce the dynamic responses of bridges constructed using a lead rubber bearing (LRB) isolation hybrid protective system. Recently developed control devices for civil engineering structures, including hybrid systems and semi-active systems, have been found to have inherent nonlinear properties. It is thus necessary to develop non-linear control methods to deal with such properties. Generally, controller fuzziness increases the robustness of the control system to counter uncertain system parameters and input excitation, and the non-linearity of the control rule increases the effectiveness of the controller relative to linear controllers. Adaptive fuzzy sliding mode control (AFSMC) is a combination of sliding mode control (SMC) and fuzzy control. The performance and robustness of these proposed control methods are all verified by numerical simulation. The results demonstrate the viability of the presented methods. The attractive control strategy derived there-from is applied to seismically excited bridges using LRB isolation.
机译：这项研究探讨了应用自适应模糊滑模控制（AFSMC）策略来减少使用铅橡胶轴承（LRB）隔离混合保护系统建造的桥梁的动力响应的可行性。已经发现，最近开发的用于土木工程结构的控制设备，包括混合系统和半主动系统，具有固有的非线性特性。因此，有必要开发非线性控制方法来应对这种特性。通常，控制器的模糊性增加了控制系统抵抗不确定的系统参数和输入激励的鲁棒性，并且控制规则的非线性提高了控制器相对于线性控制器的有效性。自适应模糊滑模控制（AFSMC）是滑模控制（SMC）和模糊控制的结合。通过数值仿真验证了所提出的控制方法的性能和鲁棒性。结果证明了所提出方法的可行性。由此得出的引人注目的控制策略通过LRB隔离应用于地震激励桥梁。

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