具有可变性能指标的自校正自适应控制理论的研究
Research on a Self-Tuner with Changeable Performance During Operation
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摘要: 本文在广义最小方差基础上提出了具有可变性能指标函数的自校正控制方案,依据所要 求的特征方程之根在线地改变权函数来确定控制律.本方案控制的算法不仅简单而且容易 实现.计算机模拟仿真结果表明此控制律性能优于一般的自校正控制律,最终利用本文的方 案对船舶航向实施自校正控制进行了讨论并实现了在"大明山"号轮船上的实际海试,结果表 明性能优良.Abstract: A generalized minimal variance stochastic self-tuning controller with a changeable control performance criterion is proposed in this paper. The law which determines the weighting transfer functons in every sample interval is solved through the pole-placement. This control algorithm is quite simple. Simulation results show that the strategy of variable weighting transfer functions is superior to the ordinary self-tuning controllers. Finally, the results of the full-scale test on a steamer steering are given.
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