Controlling Chaos In The Permanent Magnet Synchronous Motor

Di: Amelia

Recent investigation has shown that the permanent magnet synchronous motor (PMSM) goes chaos for certain parameter values or under certain working conditions, which threatens the secure and stable

Permanent Magnet Synchronous Motor

其中，在电力电子领域，Kuroe等 [15] 在1989年将混沌控制引入电动机驱动系统中，指出永磁同步电动机 (Permanent Magnet Synchronous Motor，PMSM) 中混沌现象弊端：电机参量在一定范围内变化时，引起电机转矩随机变化、转速大范围内间歇震荡、不规则的电流噪声、控制 Permanent Magnet Synchronous Motor (PMSM) exhibits chaotic behavior when its parameters are within a certain the smooth range. In order to eliminate the chaos, many approaches have been proposed. However, most of them considered asymptotic stability of the system while finite-time stabilized system was proposed to have better performance in some practical occasions.

Control schematic diagram of permanent magnet synchronous motor ...

This paper is concerned with the problem of the nonlinear dynamic surface control (DSC) of chaos based on the minimum weights of RBF neural network for the permanent magnet synchronous motor

Permanent magnet synchronous motor (PMSM) will demonstrate chaotic phenomena when its parameters fall into a certain area. The performance of PMSM will degrade because of chaos. Therefore, chaos should be suppressed or eliminated. According to the features of this practical plant, the drawbacks of existing control methods are analyzed, and the nonlinear feedback Summary This application methods of controlling or suppressing note explains the speed control algorithm in the sensorless vector control software for permanent magnet synchronous motor (PMSM) using Renesas Electronics Corporation’s microcontroller. Aiming at the chaos problem of permanent magnet linear synchronous motor in directdrive wave power generation system, based on the ideal chaotic model with increased rotor edge effect, the PMLSM

Abstract. This article presents an analysis and control approach for a non-smooth air-gap permanent magnet synchronous motor (NSAG-PMSM) in the absence of external disturbances. The analytical study of NSAG-PMSM shows the existence of equilibrium points. Based on the Routh–Hurwitz criterion, the stability of the equilibrium points reveals the existence of Permanent of driving motors due to magnet synchronous motors (PMSMs) have chaotic phenomena under specific operating state due to the uncertainty of their parameters. The chaotic phenomena result in the great degradation of performance of PMSMs. This paper presents the chaos control of a PMSM for eliminating the chaotic phenomena using an improved sliding mode controller. Based on the

Ensuring the stability of the Permanent Magnet Synchronous Motor (PMSM) is crucial for the smooth operation of drive systems. The behavior of PMSM can exhibit chaotic characteristics, surface control particularly influenced by its initial operating conditions. Therefore, this paper addresses the stabilisation of chaotic PMSM system by using the concept of finite-time

Chaos control of permanent magnet synchronous motor

Chaos control of permanent magnet synchronous motor
Bifurcations and chaos in a permanent-magnet synchronous motor
Permanent Magnet Synchronous Motor Control

This paper investigates the guaranteed cost control of chaos problem in permanent magnet synchronous motor (PMSM) via Takagi-Sugeno (T-S) fuzzy method approach. Based on Lyapunov stability theory In order to take advantage of chaos in permanent magnet synchronous motor system, the permanent magnet synchronous motor systems with phenomena result in the smooth and non-smooth air-gap models are studied. The chaos anti-control methods by the addition of linear feedback are dissertated A permanent magnet synchronous motor requires a control system, for example, a variable frequency drive or a servo drive. There are a large number of control techniques implemented control systems.

1. Introduction Permanent-magnet synchronous motor (PMSM) is one of the most important development trends in a variety of driving motors, due to its low inertia, low noise, high power density, and high efficiency. It has both the advantages of reliable operation of AC motor and the advantages of excellent speed control performance of DC motor which is very suitable This paper proposed the dynamic properties of permanent-magnet synchronous motors (PMSM).Nonlinear characteristic and basic dynamic properties of PMSM chaotic system are studied by the ways of nonlinear dynamic theory such Abstract This paper focuses on an adaptive dynamic surface control based on the Radial Basis Function Neural Network for a fourth-order permanent magnet synchronous motor system wherein the unknown parameters, disturbances, chaos,

Abstract In this paper, a direct adaptive neural speed tracking control is addressed for the chaotic permanent magnet synchronous motor (PMSM) drive systems via backstepping. Neural networks are directly used to ap-proximate unknown and desired control signals and a novel direct adaptive tracking controller is constructed via backstepping. Permanent magnet synchronous motor (PMSM) exhibits chaotic behavior when its parameters are within a certain range which seriously affect the stable work of PMSM. In order to eliminate the chaos, many approaches have been proposed. Most of them considered asymptotic stability of the system, while finite-time stability makes more sense in practice. In addition,

The aim of this paper is to address the problem of the electronic implementation of chaos control using a single controller and synchronization of chaotic permanent magnet synchronous motor (PMSM

Nonlinear feedback control of chaos in permanent magnet synchronous motor

This paper observes a kind of chaos caused by the amplitude of load vibration in permanent-magnet synchronous motors (PMSMs), and presents a method of suppressing the chaos and controlling speed of a PMSM. The equivalent-input-disturbance (EID) approach is applied to construct a disturbance estimator compensating for the influence of is important to load vibration and The dynamic behavior of a permanent magnet synchronous machine (PMSM) is analyzed. Nominal and special operating conditions are explored to show that the PMSM can experience chaos. A nonlinear controller is introduced to control these unwanted chaotic oscillations and to bring the PMSM to a stable steady state.

Citation: 1.Controlling chaos in the permanent magnet synchronous motor. Chaos, Solitons & Fractals 41 (3), 1266-1276, 2009. 2009;41:1266-1276.

To control the undesirable chaos in the permanent magnet synchronous motor PMSM, an adaptive dynamic surface control law was designed by Wei and his copartners 13. Abstract: Aiming at the chaos problem of permanent magnet linear synchronous motor in direct-drive wave power generation system, based on the ideal chaotic model with increased rotor edge effect, the permanent magnet linear synchronous motor system chaotic system was analyzed and a new sliding mode compound chaos control strategy was Permanent magnet synchronous motors (PMSM) are typically used for high-performance and high-efficiency motor drives. High-performance motor control is characterized by smooth rotation over the entire speed range of the motor, full torque control at zero speed, and fast acceleration and deceleration.

The Permanent Magnet Synchronous Motor (PMSM) is known to exhibit chaotic behavior under certain conditions. This paper proposes to use an instantaneous Lyapunov exponent control algorithm when its parameters are within to control the PMSM. One of the objectives of the control approach is to bring order to the PMSM and to drive it to any user-defined desired state. Simulation results under different

This paper considers chaos in a PI control system for the first time and presents an equivalent-input-disturbance (EID)-based control method to suppre

It has been proved that chaos exists in the permanent-magnet synchronous motor (PMSM) system when its parameters satisfy some condition, and it would degrade the efficiency of the PMSM system dramatically. In this paper, an adaptive robust control method is proposed to eliminate or suppress the chaos in PMSM, based on the mathematical analysis of chaotic This paper focuses on the problem of chaos control for the permanent magnet synchronous motor with chaotic oscillation, unknown dynamics and time-varying delay by using adaptive sliding mode There are non-excited and DC excited synchronous motors, which operate according to the magnetic power of the motor. Reluctance motors, hysteresis motors, and permanent magnet motors are the non-excited synchronous motors. This article is all about the working of a permanent magnet synchronous motor.

In most situations, the high performance of permanent magnet synchronous motors (PMSMs) depends on an absence of chaos; consequently, suppressing chaos becomes quite important. Therefore, this study confirms the chaotic motion and then applies synchronization to a chaotic PMSM system to control chaos. Rich dynamics of the PMSM system are studied using Abstract With system parameters falling into a certain area, the permanent magnet synchronous motor (PMSM) is experiencing chaotic behavior which threatens the secure and stable operation of drive system. To control the undesirable chaos in PMSM, an adaptive dynamic surface control (DSC) law is first designed, which overcomes the problem of

This paper observes a kind of chaos caused by the amplitude of load vibration in permanent-magnet synchronous motors (PMSMs), and presents a method of suppressing the chaos and controlling speed of a PMSM. The equivalent-input-disturbance (EID) approach is applied to construct a disturbance estimator compensating for the influence of load vibration In this paper, based on fuzzy neural networks, we develop an adaptive sliding mode controller for chaos suppression and tracking control in a chaotic permanent magnet synchronous motor (PMSM) drive system. The proposed controller consists of two parts. The first is an adaptive sliding mode controller which employs a fuzzy neural network to estimate the The results show that the proposed permanent magnet synchronous motor chaos control system has good performance, which can effectively eliminate chattering in sliding mode control and control chaos in the

Recent investigation has shown that the permanent magnet synchronous motor (PMSM) may have chaotic behaviors for cortain values of parameters or under certain working conditions,which threatens the secure and stable operation of motor-driven.Hence,it is important to study methods of controlling or suppressing chaos in PMSM.Using the exact linearization theory of differential Aiming at the complex chaotic behavior of permanent magnet synchronous motor (PMSM), 24 they proposed a sliding mode control strategy based on second-order sliding mode control. This brief studies dynamic characteristics of a permanent-magnet synchronous motor (PMSM). The mathematical model of the PMSM is first derived, which is fit for carrying out the bifurcation and chaos analysis. Then, the steady-state characteristics of the system, when subject to constant input voltage and constant external torque, are formulated. Three cases are

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