Simultaneous state and input estimation with application to a two-link robotic system
Ha, Quang, Nguyen, Anh and Trinh, Hieu 2004, Simultaneous state and input estimation with application to a two-link robotic system, in ASCC 2004 : Proceedings of the 5th Asian Control Conference, ASCC, Melbourne, Vic., pp. 322-328.
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ASCC 2004 : Proceedings of the 5th Asian Control Conference
Editor(s)
Cantoni, Michael
Publication date
2004
Conference series
Asian Control Conference
Start page
322
End page
328
Publisher
ASCC
Place of publication
Melbourne, Vic.
Summary
This paper addresses the problem of estimating simultaneously the state and input of a nonlinear system with application to a two link robotic manipulator - the Pendubot. The system nonlinearity comprises a Lipschitz function with respect to the state, and a nonlinear term which is a function of both the state and input. It is shown that under some conditions, an observer can be designed to estimate simultaneously the system’s state and input. Simulation and experimental results, obtained around the inverted equilibrium position, are presented to demonstrate the validity of the approach.
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