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Dynamic Controller Approach to Algebraic Constraints in Linear Systems

机译:线性系统中代数约束的动态控制器方法

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This paper addresses the problem of rapidly driving a linear system's state near a manifold. These manifold or algebraic constraints represent desired surfaces in the state space whose neighborhood the system is required to move to. For practical reasons only linear type controls are allowed. To solve this, we propose to reformulate the original problem by extending the state space to include additional dynamics that will be part of the controller. The design involves a two-part control which make use of a linear dynamic as well as static feedback control. The feedback gains are chosen so that the extended system is stable. Furthermore they are adjusted so that the rate of the decay of the controller states will go to zero "faster" than the rate of the original states. For a scalar case we present a complete characterization on how to select the eigen values allocations to achieve the requirement. Examples are presented to illustrate the suggested approach.
机译:本文解决了在歧管附近快速驱动线性系统状态的问题。这些流形或代数约束表示状态空间中系统需要移动到其附近的所需表面。出于实际原因,仅允许使用线性类型的控件。为了解决这个问题,我们建议通过扩展状态空间以包括控制器将包含的其他动态来重新构造原始问题。该设计包括两部分控制,该部分利用线性动态和静态反馈控制。选择反馈增益以使扩展系统稳定。此外,对它们进行了调整,以使控制器状态的衰减速率比原始状态的速率“快”到零。对于标量情况,我们提供了有关如何选择特征值分配以实现要求的完整表征。举例说明了所建议的方法。

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