Output selection with fault tolerance via dynamic controller design

Li, Zhenhai and Zolotas, Argyrios and Jaimoukha, Imad and Grigoriadis, Karolos (2008) Output selection with fault tolerance via dynamic controller design. In: Ifac World Congress, July 2008, Seoul, Korea.

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Item Type:Conference or Workshop contribution (Paper)
Item Status:Live Archive

Abstract

Input-Output selection/placement for control systems has been an attractive research topic in particular under fault-free conditions. In this paper we present a methodology of output selection in a closed-loop framework with a view of fault tolerance capability. The principles with regards to the selection of sensors are reduced hardware redundancy, reduced costs and easier implementation, and acceptable degraded performance when faults occur. The selection of sensors is based upon both closed-loop control and fault tolerance objectives by solving an H-infinity optimization problem for each group of sensors sets via Linear Matrix Inequalities (LMIs). The proposed scheme is applied to a practical example of ride quality improvement of a high speed rail vehicle.

Keywords:Fault-tolerance, Optimization based controller synthesis, Robust linear matrix inequalities
Subjects:H Engineering > H660 Control Systems
H Engineering > H100 General Engineering
G Mathematical and Computer Sciences > G120 Applied Mathematics
Divisions:College of Science > School of Engineering
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ID Code:15113
Deposited On:01 Oct 2014 17:17

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