Output selection under control and fault detectability considerations
journal contributionposted on 28.08.2008 by Zhenhai Li, Argyrios C. Zolotas, I.M. Jaimoukha, K.M. Grigoriadis, Konstantinos Michail, John T. Pearson
Any type of content formally published in an academic journal, usually following a peer-review process.
In a variety of practical engineering systems, i.e. aerospace, mechanical systems, railway vehicle systems, for a given requirement the range of possible locations for sensors is usually known, with the practical engineering issue of optimizing their location. Input-Output selection/placement for control systems has been widely researched in particular under fault-free conditions. In this paper we discuss on the feasibility of an (output) sensor selection scheme in a closed-loop framework based on both control performance and fault detectability metrics. The selection of sensors is based upon both closed-loop control and fault detection objectives by solving a mixed H−/H∞ optimization problem for each group of sensors available via Linear Matrix Inequalities (LMI). The efficacy of the scheme is illustrated via a numerical example.
- Mechanical, Electrical and Manufacturing Engineering