The paper presents a direct digital method to the design of a discrete lead-lag compensator for a robust control. The design specifications on phase margin, gain margin and crossover frequency of the close-loop system can be obtained by using numerical and graphical solutions. The discrete design method proposed in the paper is also compared with the continuous-time case. Some numerical examples are presented. The proposed method can be useful both on educational and industrial environments.
Direct method for digital lead-lag design: analytical and graphical solutions / Zanasi, Roberto; S., Cuoghi. - ELETTRONICO. - (2011), pp. 804-809. (Intervento presentato al convegno CASE 2011, IEEE Conference on Automation Science and Engineering tenutosi a Trieste, Italy nel 24-27 August, 2011) [10.1109/CASE.2011.6042497].
Direct method for digital lead-lag design: analytical and graphical solutions
ZANASI, Roberto;
2011
Abstract
The paper presents a direct digital method to the design of a discrete lead-lag compensator for a robust control. The design specifications on phase margin, gain margin and crossover frequency of the close-loop system can be obtained by using numerical and graphical solutions. The discrete design method proposed in the paper is also compared with the continuous-time case. Some numerical examples are presented. The proposed method can be useful both on educational and industrial environments.
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