Observer based adaptive controller design of flexible manipulators using time-delay neuro-fuzzy networks

2003 ◽  
Author(s):  
Deng Hui ◽  
Sun Fuchun ◽  
Sun Zengqi ◽  
Yang Tangwen
Keyword(s):  
Time Delay ◽  
Controller Design ◽  
Adaptive Controller ◽  
Flexible Manipulators ◽  
Neuro Fuzzy

Memoryless Adaptive Controller Design for Uncertain Polynomial Systems With Multiple Time Delays

2008 ◽  
Vol 130 (4) ◽  
Author(s):  
Chang-Chun Hua ◽  
Qing-Guo Wang ◽  
Peng Shi ◽  
Xin-Ping Guan
Keyword(s):  
Time Delay ◽  
Controller Design ◽  
Adaptive Controller ◽  
Polynomial Systems ◽  
Multiple Time ◽  
Control Input ◽  
Closed Loop System ◽  
Polynomial Type ◽  
Exponentially Stable ◽  
Delay Dependent

The stabilization problem is investigated for a class of uncertain systems with multiple time-varying delays. The considered system includes the uncertain nonlinear time delay functions, whose bounds are in the form of polynomial-type functions with unknown coefficients. The system is decomposed into two subsystems based on the input matrix. For the first subsystem, a time delay dependent linear virtual control input is constructed. Then, a memoryless state feedback controller is designed based on backstepping method. By employing new Lyapunov–Krasovskii functional, we show that the closed-loop system is exponentially stable. Finally, simulations are conducted to verify the effectiveness of the proposed method.

Adaptive Controller Design Based On Predicted Time-delay for Teleoperation Systems Using Lambert W function

2019 ◽  
Vol 17 (6) ◽  
pp. 1445-1453 ◽  
Author(s):  
Mohammad hadi Sarajchi ◽  
Soheil Ganjefar ◽  
Seyed Mahmoud Hoseini ◽  
Zhufeng Shao
Keyword(s):  
Time Delay ◽  
Controller Design ◽  
Adaptive Controller ◽  
Lambert W Function ◽  
Teleoperation Systems
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