Time-varying input delay compensation for nonlinear systems with additive disturbance: An output feedback approach

2017 ◽  
Vol 28 (1) ◽  
pp. 31-52 ◽  
Author(s):  
Wenxiang Deng ◽  
Jianyong Yao ◽  
Dawei Ma
Keyword(s):  
Nonlinear Systems ◽  
Output Feedback ◽  
Input Delay ◽  
Time Varying ◽  
Delay Compensation

Unknown time-varying input delay compensation for uncertain nonlinear systems

Automatica ◽  
2017 ◽  
Vol 76 ◽  
pp. 222-229 ◽  
Author(s):  
Serhat Obuz ◽  
Justin R. Klotz ◽  
Rushikesh Kamalapurkar ◽  
Warren Dixon
Keyword(s):  
Nonlinear Systems ◽  
Input Delay ◽  
Time Varying ◽  
Uncertain Nonlinear Systems ◽  
Delay Compensation

Decentralized MRAC for Large-Scale Interconnected Systems With State and Input Delays by Integrators Inclusion

2017 ◽  
Vol 139 (9) ◽  
Author(s):  
Seyed Hamid Hashemipour ◽  
Nastaran Vasegh ◽  
Ali Khaki Sedigh
Keyword(s):  
Large Scale ◽  
Practical Method ◽  
Open Loop ◽  
Loop System ◽  
Input Delay ◽  
Time Varying ◽  
Delay Compensation ◽  
State And Input Delays ◽  
Input Delays ◽  
Model Reference Adaptive

This paper investigates the problem of decentralized model reference adaptive control (MRAC) for a class of large-scale systems with time-varying delays in the interconnected terms and state and input delays. The upper bounds of interconnection terms with time-varying delays and external disturbances are assumed to be completely unknown. By integrators inclusion, a dynamic input delay compensator is established for input delay compensation and it is used as a practical method for state calculation x(t + R). Also, a method is presented for a class of decentralized feedback controllers, which can evolve the closed-loop system error uniformly bounded stable. As a numerical example, the proposed technique is applied to an unstable open-loop system to show the feasibility and effectiveness of the method.

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