Invention Grant
US09280144B2 Compensation for canonical second order systems for eliminating peaking at the natural frequency and increasing bandwidth 有权
规范二阶系统的补偿,用于消除固有频率峰值和增加带宽

Compensation for canonical second order systems for eliminating peaking at the natural frequency and increasing bandwidth
Abstract:
The present invention adds gain and phase into a canonical second order system in order to mitigate the adverse effects of unwanted resonance, where the gain is added to the forward path of a control loop of the system and is a ratio of the square of the system and mechanism frequencies, and the phase lead (H-factor) is added to the feedback path of the control loop of the system and is a complex ratio of these frequencies which includes a dc-component (Hdc) and a zero- or pole-component. By adding gain and phase lead, which is contrary to current approaches to addressing resonance, the present invention achieves the desired result of resonant free application in a canonical resonant-prone system of second order, and the methodology is applicable to higher order systems.
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