نتایج جستجو برای: dynamic sliding mode control

تعداد نتایج: 1872347  

Journal: :international journal of robotics 0
mojtaba rostami kandroodid university of tehran faezeh farivar islamic azad university science and research branch mahdi aliyari shoorehdeli k.n. toosi university of technology maysam zamani pedram k.n. toosi university of technology

this paper presents a gaussian radial basis function neural network based on sliding mode control for trajectory tracking and vibration control of a flexible joint manipulator. to study the effectiveness of the controllers, designed controller is developed for tip angular position control of a flexible joint manipulator. the adaptation laws of designed controller are obtained based on sliding m...

Journal: :journal of applied and computational mechanics 2014
mohammad reza behjameh hadi delavari ahmadreza vali

in this paper, under the existence of system uncertainties, external disturbances, and input nonlinearity, global finite time synchronization between two identical attractors which belong to a class of second-order chaotic nonlinear gyros are achieved by considering a method of continuous smooth second-order sliding mode control (hoamsc). it is proved that the proposed controller is robust to m...

Journal: :international journal of robotics 0
bahram tarvirdizadeh faculty of new science and technology, university of tehran, tehran, iran, p.o. box, 14399-57131 aghil yousefi-koma faculty of mechanical engineering, university of tehran, tehran, iran, p.o. box, 14395-515 esmaeel khanmirza school of mechanical engineering, iran university of science and technology, tehran, iran, p.o. box, 16846-13114

the problem of observer design for nonlinear systems has got great attention in the recent literature. the nonlinear observer has been a topic of interest in control theory. in this research, a modified robust sliding-mode observer (smo) is designed to accurately estimate the state variables of nonlinear systems in the presence of disturbances and model uncertainties. the observer has a simple ...

2008
Ahmed TAHOUR Abdelkader MEROUFEL Hamza ABID Abdel Ghani AISSAOUI

This paper presents an application of sliding mode control for switched reluctance motor (SRM) speed. The sliding mode technique finds its stronger justification in the utilization of a robust control law to model uncertainties. A sliding mode controller of the motor speed is then designed and simulated. Digital simulation results shows that the designed sliding speed controller realises a good...

2014
Jeang-Lin Chang Jui-Che Tsai

For a class of linear MIMO uncertain systems, a dynamic output feedback sliding mode control algorithm that avoids the chattering problem and high gain control is proposed in this paper. Without using any differentiator, we develop a modified asymptotically stable second order sliding mode control law in which the developed controller can guarantee the finite time convergence to the sliding mod...

Journal: :JCP 2011
Lin Li Qizhi Zhang Nurzat Rasol

This paper presents a time-varying sliding mode adaptive controller in order to handle the stick-slip oscillation of nonlinear rotary drilling system. The time-varying sliding mode controller with strong robust has two time-varying sliding surfaces, one of them induced time-varying integral sliding mode control can control the transient stage of the rotary drilling system and ensure the system ...

2002
I. Eksin M. Guzelkaya S. Tokat

Combining fuzzy logic controller and sliding mode controller to exploit the superior sides of these two controllers is an active area in control theory. The dynamic behaviour of the hybrid system named as fuzzy sliding mode controller depends quite heavily on the sliding surface on which the control structure is switched. In this study, the slope of the sliding surface is continuously updated b...

2002
Chih-Min Lin Chun-Fei Hsu

A decoupled fuzzy sliding-mode control for an aeroelastic system is derived. This aeroelastic dynamic system describes the nonlinear plunge and pitch motions of a wing section, using a single trailing-edge flap as the control input. The decoupled fuzzy sliding-mode control design method is proposed to simultaneously control both the plunge and pitch motions of the aeroelastic system. In this de...

This paper presents a robust control scheme for distributed generations (DGs) in islanded mode operation of a microgrid (MG). In this strategy, assuming a dynamic slack bus with constant voltage magnitude and phase angle, nonlinear equations of the MG are solved in the slack-voltage-oriented synchronous reference frame, and the instantaneous active and reactive power reference for the slack bus...

2012
Thomas Krüger

The present work makes a contribution to the systematic integration of artificial neural networks into adaptive control systems. Besides the basic principles of mapping non-linear dynamic processes using neural networks, a structured methodology for the network design is illustrated, which allows a statistical evaluation of the learning success. In addition, to allow for an improved transparenc...

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