Title :
Conditions for detectability in distributed consensus-based observer networks
Author_Institution :
Sch. of Eng. & IT, Univ. of NSW at the Australian Defence Force Acad., Canberra, ACT, Australia
Abstract :
The paper discusses fundamental detectability properties associated with the problem of distributed state estimation using networked observers. The main result of the paper establishes connections between detectability of the plant through measurements, observability of the node filters through interconnections, and algebraic properties of the underlying communication graph, to ensure the interconnected filtering error dynamics are stabilizable via output injection.
Keywords :
graph theory; network theory (graphs); observers; algebraic properties; detectability conditions; distributed consensus-based observer networks; distributed state estimation; fundamental detectability properties; interconnected filtering error dynamics; networked observers; node filter observability; output injection; plant detectability; underlying communication graph; Laplace equations; Large-scale systems; Network topology; Observability; Observers; Topology;
Conference_Titel :
Decision and Control (CDC), 2012 IEEE 51st Annual Conference on
Conference_Location :
Maui, HI
Print_ISBN :
978-1-4673-2065-8
Electronic_ISBN :
0743-1546
DOI :
10.1109/CDC.2012.6426823
