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New results in common functional state estimation for two linear systems with unknown inputs

Ng, Jiunn Yea, Tan, Chee Pin, Ng, Kok and Trinh, Hieu (2014) New results in common functional state estimation for two linear systems with unknown inputs. International Journal of Control, Automation and Systems, 13 (6). pp. 1538-1543. [Journal article]

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URL: http://dx.doi.org/10.1007/s12555-014-0315-x

DOI: 10.1007/s12555-014-0315-x

Abstract

This paper presents new developments in common functional observers for two systems. We improve an existing common functional observer scheme by reducing its order, and then investigate its existence conditions in terms of the original system matrices. These conditions have never been explored and they enable the users to know at the outset the class of systems for which the scheme is applicable. They also show that both observers can be designed independently of each other which significantly simplifies the design process. A numerical simulation verifies the findings.

Item Type:Journal article
Keywords:Common observers, functional observers, unknown input observers
Faculties and Schools:Faculty of Computing & Engineering
Faculty of Computing & Engineering > School of Engineering
ID Code:38276
Deposited By: Dr Mark Kok Ng
Deposited On:26 Jul 2017 15:53
Last Modified:20 Mar 2018 10:34

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