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Design ofH∞ output feedback controllers for the AMD benchmark problem

✍ Scribed by Breneman, Scott E.; Smith, H. Allison

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
164 KB
Volume
27
Category
Article
ISSN
0098-8847

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✦ Synopsis

This paper outlines a general approach for the design of H dynamic output feedback controllers and applies this method to designing controllers for the Active Mass Driver (AMD) benchmark problem. The example controllers designed for this problem use acceleration output feedback of the structure coupled with the additional actuator sensors and ground motion sensor. Some of the key choices made by a control designer using this method are discussed and evaluated with example controllers. Several sets of controllers are developed to evaluate the sensitivity of controller effectiveness to the choice of regulator response quantities, the choice of feedback quantities, and the choice of when to apply model reduction. Results show that for this design approach the best controller effectiveness is achieved by choosing to regulate the structural accelerations and displacements with the controller acceleration and command signal. In addition, the sensitivity of the dynamic controllers to the removal of available sensors is investigated, showing that the performance of the dynamic controllers for the nominal AMD model are insensitive to which sensors are available.

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