This paper designed a multivariable load Optical Preview Control (OPC) system for a thermal power unit, and discussed the effect of preview step number on control performance of the load OPC system.

文章针对单元机组负荷控制的特点，采用最优预见控制（OPC）策略设计了基于多变量预见控制原理的单元机组负荷最优预见控制系统，并讨论了预见步数对控制品质的影响。

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In addition, the hardware structure of the control unit in controllable load is presented in the paper.

另外，本文对于可控负载中控制单元的硬件结构给予了介绍。

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The AGC unit sends signals to the generating units under its control to raise or lower load as required to correct frequency and tie-line loadings.

AGC控制单元送出信号至受其控制的发电机组，按标准频率和联络线负荷的要求来增大和减少负荷。 收藏。

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As it turns out, the crux of the invention was head-slappingly simple: though a patent-pending idea Smith calls "get out of the way control, " the unit measures the load on each joint as its operator moves about, and figures out the direction it needs to move in 3-D space to literally move out of the way.

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