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本文主要研究了区间系统的鲁棒严格正实镇定问题．文中首先给出了系统严格正实镇定的充分条件．然后分析了该条件的可计算性并对一类区间分母系统获得了采用一阶控制器时鲁棒严格正实镇定的顶点结果，使得控制器设计大为简化．
In this paper, the robust strictly positive real stabilization problem of interval systems is studied. In the paper, firstly, the sufficient conditions for the system to be strictly positive and stable are given. Then the computability of this condition is analyzed and the vertex result of robust strictly positive definite stabilization for a class of interval denominator system is obtained using first-order controller, which makes the controller design greatly simplified.