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Mode discernibility and bounded-error state estimation for nonlinear hybrid systems

Abstract : State estimation is a key engineering problem when addressing control or diagnosis issues for complex dynamical systems. The issue is still challenging when the latter systems must be modelled as hybrid discrete-continuous dynamics, which is true for many complex and safety-critical systems. In this paper, we investigate nonlinear hybrid state estimation in a bounded-error framework using reliable and robust methods. We first establish a testable condition for current mode location discernibility. Then we build our hybrid state estimator which relies on a prediction-correction approach. An illustrative example is presented.
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Submitted on : Wednesday, November 21, 2018 - 10:40:25 PM
Last modification on : Tuesday, October 25, 2022 - 11:58:11 AM
Long-term archiving on: : Friday, February 22, 2019 - 4:36:36 PM


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Nacim Ramdani, Louise Travé-Massuyès, Carine Jauberthie. Mode discernibility and bounded-error state estimation for nonlinear hybrid systems. Automatica, 2018, 91, pp.118-125. ⟨10.1016/j.automatica.2018.01.022⟩. ⟨hal-01930370⟩



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