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Comparison of H2 controller design methods for non-uniform sampled-data systems | IEEE Conference Publication | IEEE Xplore

Comparison of H2 controller design methods for non-uniform sampled-data systems


Abstract:

In many practical applications, several factors make sampled-data systems operate non-uniformly. In these systems, the sampling and control signal updating time intervals...Show More

Abstract:

In many practical applications, several factors make sampled-data systems operate non-uniformly. In these systems, the sampling and control signal updating time intervals are variable. These systems are generally non-periodic and time-varying. Therefore, controller design is usually difficult. In this paper, we design H2 controller for non-uniform sampled-data systems. Because these systems are time-varying, definitions such as Z-transform and H2-norm are not established and the controller should be designed in time domain. So first we extend the H2-norm definition for non-uniform systems. Then we design the H2 controller for these systems in time domain. There are three general methods to design controllers for sampled-data systems. We design the controller with all these methods. Finally, through a case study, we design the H2 controller for a linearized ball and beam system and compare the results.
Date of Conference: 10-12 May 2016
Date Added to IEEE Xplore: 10 October 2016
ISBN Information:
Conference Location: Shiraz, Iran

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