Two practical time-optimal controllers for rapid slewing of type-3 and type-2 third-order plants, PTOS3 and PTOS3/spl tau/, respectively, were previously proposed. In this paper, we present results showing that the PTOS3/spl tau/ is more robust than the corresponding time-optimal controller to both plant parameter variations and feasible unmodeled dynamics. In addition, a useful numerical method to calculate the time-optimal controls for general linear systems is presented. The results for the PTOS3 and the time-optimal controller for type-3 third-order plants are similar and thus are not detailed.
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机译：先前已提出了两个用于快速转换3型和2型三阶工厂的实用时间最优控制器，分别为PTOS3和PTOS3 / spl tau /。在本文中，我们给出的结果表明，对于植物参数的变化和可行的非建模动力学，PTOS3 / spl tau /比相应的时间最优控制器更强大。此外，提出了一种有用的数值方法来计算一般线性系统的时间最优控制。 PTOS3的结果和类型3的三阶工厂的时间最优控制器的结果相似，因此不再详述。
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