Fixed-order Linear Parameter Varying Controller Design for a 2DOF Gyroscope

This paper presents an approach for fixed-order Linear Parameter Varying (LPV) controller design with application to a 2 Degree-of-Freedom (2DOF) gyroscope experimental setup. Inner convex approximation of the non-convex set of all stabilizing fixed-order LPV controllers is characterized through a set of Linear Matrix Inequalities (LMIs). This is achieved through the use of two slack matrices which enable decoupling of the controller and Lyapunov matrix parameters in the derivative of Lyapunov function. The LPV model obtained by the approximation of the nonlinear model of the 2DOF gyroscope is used for the design of a second- order LPV controller. Experimental results show good tracking performance in the presence of scheduling parameter variations.

Published in:
Proceedings of the 1st IFAC Workshop on Linear Parameter Varying Systems
Presented at:
1st IFAC Workshop on Linear Parameter Varying Systems, Grenoble, France, October 7-9, 2015

 Record created 2015-06-08, last modified 2018-01-28

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