Design of Nonlinear Observers by a Two-Step-Transformation

1986 ◽  
pp. 89-98 ◽  
Author(s):  
H. Keller ◽  
H. Fritz
Keyword(s):  
Nonlinear Observers

Cascade nonlinear observers: application to an experimental induction motor benchmark

2001 ◽  
Vol 148 (6) ◽  
pp. 509-515 ◽  
Author(s):  
G. Schreier ◽  
R. Boisliveau ◽  
J. DeLeon ◽  
A. Glumineau
Keyword(s):  
Induction Motor ◽  
Nonlinear Observers ◽  
Experimental Induction

Average Modeling and Nonlinear Observer Design For Pneumatic Actuators With On/Off Solenoid Valves

2021 ◽  
Author(s):  
Khaled Laib ◽  
Minh Tu Pham ◽  
Xuefang LIN-SHI ◽  
Redha Meghnous
Keyword(s):  
Closed Loop ◽  
Sliding Mode ◽  
High Gain ◽  
Observer Design ◽  
Nonlinear Observer ◽  
State Model ◽  
Pressure Measurements ◽  
Pneumatic Actuators ◽  
Nonlinear Observers ◽  
Piston Position

Abstract This paper presents an averaged state model and the design of nonlinear observers for an on/off pneumatic actuator. The actuator is composed of two chambers and four on/off solenoid valves. The elaborated averaged state model has the advantage of using only one continuous input instead of four binary inputs. Based on this new model, a high gain observer and a sliding mode observer are designed using the piston position and the pressure measurements in one of the chambers. Finally, their closed-loop performances are verified and compared on an experimental benchmark.

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