Adaptive observer design for fault detection: Application to drying blower system

Houimli, Radhia; Bedioui, Neila; Besbes, Mongi

doi:10.1109/icmic.2015.7409382

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B Some Recalls On Observer Design1

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2019

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“…An observer is a dynamic system that estimate the unmeasured states of the system from only its measured outputs and has many important applications (see, [11] for a problem simular to that considered in this paper). In [14], [15], observers construction problem for linear dynamic system is applied, respectively, for fault detection of a drying blower system and for a vehicule rollor warning system. For nonlinear systems [16], the available results depend on the problem and its applications.…”

Section: B Some Recalls On Observer Designmentioning

confidence: 99%

Application of homogeneous observers with variable exponent to a mechatronic system

Derbel

Féki

Nicolau

et al. 2019

Proceedings of the Institution of Mechanical Engineers, Part C:

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Monitoring of mechatronic systems is one of the essential issues in the industries. In this context, we firstly deal with the modeling of an electro-mechanical system obtained by assembling a mechanical model, which is a single stage of a gear element and an electrical model that is an asynchronous motor. Secondly, we use homogeneous sliding mode observers in order to supervise the gear dynamical behavior. The observers' parameters are suitably chosen to ensure rapid and accurate convergence between the real and the estimated system states. Finally, a comparative study between three simulations is presented in order to illustrate the observers performances and the influence of the mechanical dynamics on the electrical states.

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Section: B Some Recalls On Observer Designmentioning

confidence: 99%