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首页> 外文期刊>IEEE / ASME Transactions on Mechatronics >A Nonlinear Method for Improving the Active Control Efficiency of Smart Structures Subjected to Rigid Body Motions
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A Nonlinear Method for Improving the Active Control Efficiency of Smart Structures Subjected to Rigid Body Motions

机译：一种提高刚体运动对智能结构主动控制效率的非线性方法

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摘要

Smart components are commonly used for their compactness and ability to control the vibrations in an embedded flexible structure. Their relative actuation capabilities can limit the active control efficiency. This paper introduces a nonlinear method to improve their action using independent controllers for flexible modes and for rigid body modes. The nonlinear control of each flexible mode uses fuzzy logic controllers designed to improve the mechanical work of smart actuators by taking into account their actuation capabilities. The control law parameters are iteratively adjusted by taking into account the estimated disturbance levels until obtaining the desired compromise between efficiency and spillover. In addition, an independent fuzzy control for rigid body motions is then developed and adjusted in order to reduce the vibrations of the structure without decreasing the tracking efficiency. These two independent nonlinear strategies are described, implemented, and experimentally tested to control an articulated smart structure.
机译：智能组件通常因其紧凑性和控制嵌入式柔性结构中的振动的能力而广泛使用。它们的相对驱动能力会限制主动控制效率。本文介绍了一种非线性方法，可通过使用独立控制器来改善弹性模态和刚体模态，从而改善其作用。每个灵活模式的非线性控制均使用模糊逻辑控制器，该控制器旨在通过考虑智能执行器的执行能力来改善其性能。通过考虑估计的干扰水平来迭代调整控制律参数，直到获得效率和溢出之间的期望折衷。另外，然后开发并调整了刚体运动的独立模糊控制，以减少结构的振动而不降低跟踪效率。描述，实施和试验了这两种独立的非线性策略，以控制铰接式智能结构。

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