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摘要: 合理利用时滞可能获得意想不到的性能.研究表明,系统的不确定性以及受到的外部 干扰可以利用时滞观测器来进行观测,从而实现系统的鲁棒控制.本文提出了一种低通滤波时 滞观测器.避免了常规时滞观测器控制中出现的控制信号颤振,得到了一种结构新颖的控制器. 仿真结果表明时滞观测器控制系统可以很好地抑制系统的不确定性以及受到的外部干扰,是一 种性能优良的鲁棒控制方法.Abstract: Intentionally and reasonably using time delay may result in surprising performances. It has been proved that system uncertainties and disturbances can be observed with time delay observer to enhance the system robustness. The time delay observer with low-pass filter is presented to eliminate the oscillations of control signal in this paper. Simulation results show that the time delay observer with low-pass filter, which is capable of observing system uncertainties and disturbances almost immediately, is a good method of robust control.
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Key words:
- Time delay /
- time delay control /
- time delay observer /
- uncertainty
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