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Averaged state model based design of nonlinear observer for the on/off solenoid valve pneumatic actuators

Abstract : This report presents an averaged model and nonlinear observer for an on/off pneumatic actuator. The actuator is composed of two chambers and four on/off solenoid valves. The averaged model is elaborated which has the advantage of using only one continuous input instead of four binary inputs. Based on this new model, a sliding mode observer is designed using the piston's position and the pressure measurements in one of the chambers to estimate the piston velocity and the pressure in the other chamber. The finite time convergence of the observer is proven and its performance is verified in closed loop on an experimental benchmark.
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https://hal.archives-ouvertes.fr/hal-01287396
Contributor : Khaled Laib <>
Submitted on : Tuesday, May 31, 2016 - 10:37:30 AM
Last modification on : Monday, February 24, 2020 - 2:52:16 PM

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  • HAL Id : hal-01287396, version 3

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Khaled Laib, Ahmed-Rédha Meghnous, Minh Tu Pham, Xuefang Lin-Shi. Averaged state model based design of nonlinear observer for the on/off solenoid valve pneumatic actuators. [Research Report] ECOLE CENTRALE DE LYON; INSA Lyon. 2016. ⟨hal-01287396⟩

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