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首页> 外文期刊>Automatic Control, IEEE Transactions on >Modeling and Controlling an Active Constrained Layer (ACL) Beam Actuated by Two Voltage Sources With/Without Magnetic Effects
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Modeling and Controlling an Active Constrained Layer (ACL) Beam Actuated by Two Voltage Sources With/Without Magnetic Effects

机译：具有和不具有磁效应的两个电压源驱动的有源约束层（ACL）光束的建模和控制

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摘要

A fully dynamic three-layer active constrained layer (ACL) beam is modeled for cantilevered boundary conditions by using a thorough variational approach. The Rao-Nakra thin compliant layer assumptions are adopted to model the sandwich structure, and all magnetic effects for the piezoelectric layers are retained. The piezoelectric layers are activated by two different voltage sources. When there are no “mechanical” boundary forces acting in the longitudinal direction, it is shown that the system with certain parameter combinations is not uniformly strongly stabilizable by the B* - type feedback controller, which is the total current accumulated at the electrodes for the piezoelectric layers. However, as the magnetic effects are ignored (electrostatic assumption), the closed-loop system with all mechanical feedback controllers is shown to be uniformly exponentially stable.
机译：通过使用彻底的变分方法，针对悬臂边界条件对全动态三层有源约束层（ACL）光束进行了建模。采用Rao-Nakra薄柔顺层假设来模拟三明治结构，并保留了压电层的所有磁效应。压电层由两个不同的电压源激活。当没有在纵向上作用的“机械”边界力时，表明具有某些参数组合的系统不能由B *型反馈控制器统一稳定地稳定，这是累积在电极上的总电流。压电层。但是，由于忽略了电磁效应（静电假设），因此带有所有机械反馈控制器的闭环系统显示出一致的指数稳定性。

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