Robust 2DOF Control for Robust Servo System

Nattapon Phurahong and Somyot Kaitwanidvilai


2DOF H infinity Loop Shaping Control, Pneumatic Servo System


This paper applies the 2DOF robust control for designing a robust controller for a pneumatic servo system. 2 DOF robust control is adopted to find the optimal robust controller by minimizing the infinity norm from disturbances to states. This technique is an effective technique that both time domain specification and robust performance can be incorporated in the design. Simulation results on a pneumatic servo system verify the effectiveness of the proposed algorithm.

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