scholarly journals A generalized smith predictor for unstable time-delay SISO systems

2018 ◽  
Vol 72 ◽  
pp. 197-204 ◽  
Author(s):  
R. Sanz ◽  
P. García ◽  
P. Albertos
Keyword(s):  
Time Delay ◽  
Smith Predictor ◽  
Siso Systems

On the Fragility of PI Controllers for Time-Delay SISO Systems

2008 ◽  
Author(s):  
Cesar Mendez-Barrios ◽  
Silviu-Iulian Niculescu ◽  
Constantin-Irinel Morarescu ◽  
Keqin Gu
Keyword(s):  
Time Delay ◽  
Pi Controllers ◽  
Siso Systems

Control of Uncertain LTI Systems Based on an Uncertainty and Disturbance Estimator

2004 ◽  
Vol 126 (4) ◽  
pp. 905-910 ◽  
Author(s):  
Qing-Chang Zhong ◽  
David Rees
Keyword(s):  
Time Delay ◽  
Robust Control ◽  
Robust Stability ◽  
Control Strategy ◽  
Time Delay Control ◽  
Delay Control ◽  
Uncertainty And Disturbance Estimator ◽  
Derivatives Of ◽  
Siso Systems ◽  
Disturbance Estimator

This paper proposes a robust control strategy for uncertain LTI systems. The strategy is based on an uncertainty and disturbance estimator (UDE). It brings similar performance as the time-delay control (TDC). The advantages over TDC are: (i) no delay is introduced into the system; (ii) there are no oscillations in the control signal; and (iii) there is no need of measuring the derivatives of the state vector. The robust stability of LTI-SISO systems is analyzed, and simulations are given to show the effectiveness of the UDE-based control with a comparison made with TDC.

Performance Analysis of Modified Smith Predictor for Integrating and Time-Delay Processes

2011 ◽  
Vol 53 (4) ◽  
pp. 261-270
Author(s):  
G. Saravana Kumar ◽  
R.S.D. Wahidabanu ◽  
K.G. Arun Raajesh
Keyword(s):  
Time Delay ◽  
Performance Analysis ◽  
Smith Predictor ◽  
Modified Smith Predictor
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