نتایج جستجو برای: terminal sliding mode control

تعداد نتایج: 1666146  

Journal: :Electronics 2022

In order to improve the efficiency of human–robot interaction (HRI), it is necessary carry out research on precise control manipulator. this paper, an adaptive non-singular fast terminal sliding mode scheme proposed for robot manipulators solve trajectory tracking problem with model uncertainty and external disturbances. At first, a novel surface proposed, by introducing auxiliary function, sin...

Journal: :Sustainability 2022

Vehicle platoon is one of the innovations in automated highway systems, which has potential to reduce fuel consumption, alleviate traffic congestion and lighten driver’s burden. How control vehicle effectively ensure stability queue a challenge. Aiming overcome shortcomings method based on traditional sliding mode control, non-singular terminal optimized by extreme learning machine proposed thi...

Journal: :Mathematics 2022

In this study, an adaptive nonsingular terminal sliding mode control technique according to the barrier function is designed for performance improvement and robust stability of nonlinear systems with outdoor disturbances. For reason, a novel surface presented based on states system. The forces system converge from initial conditions zero. Subsequently, non-singular scheme advised purpose finite...

2009
S. TOKAT S. IPLIKCI L. ULUSOY

In this study, nonlinear second order systems with unmeasured system states and bounded external disturbances are considered. The observer gain of the sliding mode observer is adjusted by using a support vector machine based plant model. Computer simulations are presented to show the effect of the proposed adjustment mechanism on the performance of the output feedback sliding mode controller. I...

In this paper, sliding mode control (SMC) for a bidirectional buck/boost DC-DC converter (BDC) with constant frequency in continuous conduction mode (CCM) is discussed. Since the converter is a high-order converter, the reduced-order sliding manifold is exploited. Because of right-half-plan zero (RHPZ) in the converter’s duty ratio to output voltage transfer function, sliding mode current...

In this paper, a chattering-free sliding-mode control is mainly proposed in a second-order discrete-time system. For achieving this purpose, firstly, a suitable control law would be derived by using the discrete-time Lyapunov stability theory and the sliding-mode concept. Then the input constraint is taken into account as a saturation function in the proposed control law. In order to guarantee ...

2003
JAKUB MOŻARYN JERZY E. KUREK

Abstract. There is presented a comparison of sliding mode control and decoupled sliding mode control algorithms for the PUMA 560 robot position control. The Lagrange-Euler mathematical model of the robot is used for calculation the control laws. The algorithms show good robustness to model inaccuracies. The decoupled sliding mode control shows better performance in positioning than the standard...

2011
Vadim Utkin

The paper presents the basic concepts, mathematical and design aspects of sliding mode control.It is shown that the main advantages of sliding mode control are order reduction, decoupling design procedures, disturbance rejection, insensitivity to parameter variations, simple implementation by means of conventional power converters. The methods of suppressing chattering, caused by discrete-time ...

2015

A new sliding mode control approach is introduced in this work with the dedicated mathematical tools. A timedelay modification/approximation of sign function is proposed, and it is shown that by substituting this new “sign” realization in the conventional sliding mode algorithms the main advantages of the sliding mode tools are preserved (like rejection of matched disturbances and hyper-exponen...

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...

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