一类参数不确定连续正系统受限控制

Constrained Control of Continuous Positive Systems with Uncertain Parameters

  • 摘要: 针对一类不确定连续正系统输入受限和状态受限的问题,提出鲁棒镇定方法.首先根据Metzler矩阵的性质,给出了一个确保不确定系统为正系统且状态有界的充要条件.同时基于正系统稳定性理论,进一步给出保证系统渐近稳定的另一个充要条件.然后利用线性规划方法导出输入受限和状态受限情况下的鲁棒状态反馈控制器.最后,通过仿真算例验证算法的有效性.

     

    Abstract: A robust stabilization method is proposed for a class of uncertain continuous positive systems with bounded inputs and states. First, based on the analysis of Metzler matrix properties, necessary and sufficient conditions are established to guarantee that systems are positive and states are bounded. Based on the stability theories of positive systems, a further necessary and sufficient condition is delivered to ensure the asymptotical stabilities of the system. Furthermore, under the bounds on inputs and states, a robust state feedback controller is designed for linear programming methods. Simulation examples illustrate the effectiveness of the proposed algorithm.

     

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