Inherent design limitations for feedback systems with periodic digital controllers

被引:0
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作者
Ortiz, DS
Freudenberg, JS
Middleton, RH
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TP [自动化技术、计算机技术];
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0812 ;
摘要
We show that design limitations due to non-minimum phase (NMP) zeros of an analog remain present in sampled-data feedback systems with periodic digital (PD) controllers. Furthermore, the action of the periodic controller induces harmonics within the baseband and increases differential sensitivity to plant variations.
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页码:1257 / 1258
页数:2
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