A discrete variable structure composite control strategy which use an equality form of the reaching condition is proposed and applied to design the load_frequency controller.
提出了一种等式到达条件下的离散变结构组合控制策略，设计了基于该控制策略的负载频率控制器。
In this paper, the multi input discrete variable structure control is studied. A combined control strategy which USES an equality form of the reaching condition is proposed in multi input systems.
对多输入离散变结构控制进行了研究，提出了等式到达条件下的多输入组合控制策略，这种控制策略的数学形式简单，易于实现。
Reaching this target is not only a practical necessity to ensure economic growth and employment, but also an important condition for restructuring the economy and raising its level of performance.
实现这一目标，既是保增长、保就业的现实需要，也是调结构、增效益的重要条件。
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