Convergent Iterative Feedback Tuning of State Feedback-Controlled Servo Systems

2011 ◽  
pp. 99-111 ◽  
Author(s):  
Mircea-Bogdan Rădac ◽  
Radu-Emil Precup ◽  
Emil M. Petriu ◽  
Stefan Preitl ◽  
Claudia-Adina Dragoş
Keyword(s):  
State Feedback ◽  
Servo Systems ◽  
Iterative Feedback

ITERATIVE FEEDBACK AND LEARNING CONTROL. SERVO SYSTEMS APPLICATIONS

2007 ◽  
Vol 40 (8) ◽  
pp. 16-27 ◽  
Author(s):  
Stefan Preitl ◽  
Radu-Emil Precup ◽  
Zsuzsa Preitl ◽  
Simona Vaivoda ◽  
Stefan Kilyeni ◽  
...  
Keyword(s):  
Learning Control ◽  
Servo Systems ◽  
Iterative Feedback

Low-cost fuzzy control approaches to a class of state feedback-controlled servo systems

2011 ◽  
Author(s):  
Radu-Emil Precup ◽  
Paul Andrei Ianc ◽  
Emil M. Petriu ◽  
Claudia-Adina Dragos ◽  
Stefan Preitl ◽  
...  
Keyword(s):  
Fuzzy Control ◽  
State Feedback ◽  
Low Cost ◽  
Servo Systems

scholarly journals Finite-Time Composite Position Control for a Disturbed Pneumatic Servo System

2016 ◽  
Vol 2016 ◽  
pp. 1-10 ◽  
Author(s):  
Xiaojun Wang ◽  
Jiankun Sun ◽  
Guipu Li
Keyword(s):  
Finite Time ◽  
State Feedback ◽  
Position Control ◽  
Sliding Mode ◽  
State Feedback Control ◽  
Servo Systems ◽  
Control Approach ◽  
Composite Control ◽  
Control Scheme ◽  
Pneumatic Servo System

This paper investigates the finite-time position tracking control problem of pneumatic servo systems subject to hard nonlinearities and various disturbances. A finite-time disturbance observer is firstly designed, which guarantees that the disturbances can be accurately estimated in a finite time. Then, by combining disturbances compensation and state feedback controller together, a nonsmooth composite controller is developed based on sliding mode control approach and homogeneous theory. It is proved that the tracking errors under the proposed composite control approach can be stabilized to zero in finite time. Moreover, compared with pure state feedback control, the proposed composite control scheme offers a faster convergence rate and a better disturbance rejection property. Finally, numerical simulations illustrate the effectiveness of the proposed control scheme.

Stable iterative feedback tuning method for servo systems

2011 ◽  
Author(s):  
Mircea-Bogdan Radac ◽  
Radu-Emil Precup ◽  
Emil M. Petriu ◽  
Stefan Preitl ◽  
Radu-Codrut David
Keyword(s):  
Servo Systems ◽  
Tuning Method ◽  
Iterative Feedback
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