l1鲁棒综合指标控制器的优化设计
The Optimization Design of l1 Robust Mixed Index Controller
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摘要: 本文讨论具有鲁棒稳定性和抗持续有界扰动的控制器设计问题.提出了一种新的综合 灵敏度指标函数,这种指标函数既可用于单变量系统也可用于多变量系统.通过选择权系数, 设计者可对鲁棒性和抗扰性灵活地进行加权,并给出了把这种l1综合指标优化设计问题转化 为一般l1优化问题求解的方法.Abstract: The problem discussed in this paper is the design of a mixed sensitivity index controller, which has robust stability and can optimally reject all persistent bounded disturbances. A new mixed sensitivity index is presented. This index function is suitable for both SISO and MIMO systems. By choosing weighting coefficients, the designer can weight the robustness or the capability of rejecting disturbance flexibly. A method is given, which solves the mixed index optimization design problem by translating this kind of problem into a normal l1 optimization design problem.
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Key words:
- Robust control /
- optimization /
- multivariable systems /
- control system design
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