نتایج جستجو برای: sliding control

تعداد نتایج: 1346080  

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...

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...

In this paper, we have exploited the first-order sliding mode control method to track the ECG data of the human heart by three different nonlinear control laws. In order to lessen the intrinsic chattering of the classic sliding mode control system, smooth function approximations of the control input, by means of the hyperbolic tangent and the saturation function, were used. The fast Fourier tra...

2005
Seung-Hi Lee

A sliding mode control method is presented for linear multi-variable discrete-time systems, without introducing a discontinuous term to eliminate control chattering. Instead of a strong nonlinear function like switching introducing chattering problem in discrete-time, a linear control is designed around the sliding surface. Although not producing a strong acting control around the sliding surfa...

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Permanent Magnet Synchronous Motor because of high energy storage capability is very important in electrical drive industry. Speed control of this motor suffers from parameter variations such as variable inductance. In this paper, The Integral-Terminal Sliding Mode Control (ITSMC) method is used to control the speed (torque) along with d-axis current control. This method is like to classic slid...

Journal: :journal of advances in computer research 2014
milad malekzadeh alireza khosravi

this paper presents a new control scheme for a class of nonlinear systems. in the proposed method, an adaptive neural network observer with rise feedback controller are applied to realize sensorless control scheme. this observer is tuned online and no exact information of nonlinear term of plant is required. so, this characteristic can compensate mismodeling phenomena. also, a new controller ca...

A. Chaari L. Chaouech M. Soltani

This article presents a fuzzy sliding-mode control scheme for a class of Takagi-Sugeno (T-S) fuzzy which are subject to norm-bounded uncertainties in each subsystem. The proposed stabilization method can be adopted to explore T-S uncertain fuzzy systems (TSUFS) with various local control inputs. Firstly, a new design is proposed to transform TSUFS into sliding-mode dynamic systems.In addi...

2008
Dianwei Qian Jianqiang Yi Dongbin Zhao

Abstract: A hierarchical sliding mode control approach is proposed for a class of SIMO under-actuated systems. This class of under-actuated systems is made up of several subsystems. Based on this physical structure, the hierarchical structure of the sliding surfaces is designed as follows. At first, the sliding surface of every subsystem is defined. Then the sliding surface of one subsystem is ...

L. Ouada, S. Belkacem, S. Benaggoune

The combination of neural networks and fuzzy controllers is considered as the most efficient approach for different functions approximation, and indicates their ability to control nonlinear dynamical systems. This paper presents a hybrid control strategy called Neuro-Fuzzy Sliding Mode Control (NFSMC) based on the Brushless Doubly fed Induction Generator (BDFIG). This replaces the sliding surfa...

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