scholarly journals NONLINEAR SAMPLED-DATA OBSERVER DESIGN VIA APPROXIMATE DISCRETE-TIME MODELS AND EMULATION

2005 ◽  
Vol 38 (1) ◽  
pp. 13-18
Author(s):  
Murat Arcak ◽  
Dragan Nešić
Keyword(s):  
Discrete Time ◽  
Observer Design ◽  
Sampled Data ◽  
Discrete Time Models

scholarly journals Semiglobal exponential input-to-state stability of sampled-data systems based on approximate discrete-time models

Automatica ◽  
2021 ◽  
Vol 131 ◽  
pp. 109742
Author(s):  
Alexis J. Vallarella ◽  
Paula Cardone ◽  
Hernan Haimovich
Keyword(s):  
Discrete Time ◽  
Data Systems ◽  
Sampled Data ◽  
Discrete Time Models

Discrete-Time Sliding Mode Control on a Flexible Truss Structure

2005 ◽  
Vol 127 (3) ◽  
pp. 292-295
Author(s):  
Wu-Chung Su ◽  
Sergey V. Drakunov ◽  
U¨mit O¨zgu¨ner ◽  
Keith Redmill
Keyword(s):  
Sliding Mode Control ◽  
Discrete Time ◽  
Control Experiment ◽  
Sliding Mode ◽  
Sampling Period ◽  
Observer Design ◽  
Sampled Data ◽  
Mode Control ◽  
Sliding Motion ◽  
Structure Vibration

Implementation of discrete-time sliding mode control on a sampled-data system leads to sliding motion in an OT2 boundary layer of the discontinuity surface, where T is the sampling period. A truss panel structure vibration control experiment is conducted to demonstrate the effectiveness of the proposed method. This paper utilizes a truncated model to characterize the models of interest and treats all the high frequency modes as disturbances. The experiment includes system identification, state observer design, and discrete-time sliding mode control.

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