Sliding Mode Based Controller for Magnetostrictive Actuator in Precision Positioner

2007 ◽  
Author(s):  
Xinxin Li ◽  
Wen Wang ◽  
Zichen Chen
Keyword(s):  
Sliding Mode Control ◽  
Low Voltage ◽  
Sliding Mode ◽  
Input Voltage ◽  
Drive Level ◽  
Mode Control ◽  
High Drive ◽  
Control Scheme ◽  
Non Linear ◽  
Magnetostrictive Actuator

Magnetostrictive actuator, for its merits of relatively low voltage and high force, has been increasingly applied in many applications, such as vibration control, aviation, positioner, etc. At low drive level, magnetostrictive actuator presents linear relation between strain or displacement and input voltage or input current, while non-linear appears when applied moderate or high drive level. To achieve accurate control for high drive level, non-linear, including saturation and hysteresis, must be compensated. Sliding mode control, a robust control scheme, can handle these non-linear. As magnetostrictive actuator modelled in Jiles-Atherton model, the relation of magnetic field H and bulk magnetization M, hysteresis, is divided into anhysteresis and deviation from anhysteresis. Saturation can be compensated by inversion of anhysteresis (free-hysteresis) and then, hysteresis, represented as the deviation from anhysteresis, is compensated with sliding mode control.

Model-Based Adaptive Sliding Mode Control Design for Magnetostrictive Actuator

2013 ◽  
Vol 392 ◽  
pp. 324-328
Author(s):  
Guang Hui Chang ◽  
Shi Jian Zhu ◽  
Jing Jun Lou
Keyword(s):  
Sliding Mode Control ◽  
Control Method ◽  
Sliding Mode ◽  
Drive Level ◽  
Adaptive Sliding Mode Control ◽  
Adaptive Sliding Mode ◽  
Model Based ◽  
Mode Control ◽  
Magnetostrictive Actuator ◽  
Homogenized Energy Model

Giant magnetostrictive actuator (GMA) has been used in precise position, active vibration control etc. for its merits of large output force and displacement. At low drive level, GMA presents linear relation between displacement and input current, while nonlinear appears when applied moderate or high drive level. This paper addresses the development of model-based adaptive sliding mode control designs for GMA operating in nonlinear and hysteretic regimes. Homogenized energy model in combination with a quadratic moment rotation model for magnetostriction is adopted in this paper to describe hysteresis of GMA, and its inverse model is employed as a inverse filter before GMA system to compensate the hysteresis and nonlinear. The proposed control law guaranteed global stability of the control system with certain accuracy in tracking desired trajectories. Simulation result verified the correctness and effectiveness of the extracted control method.

scholarly journals Adaptive Sliding Mode Control Based on Equivalence Principle and Its Application to Chaos Control in a Seven-Dimensional Power System

2020 ◽  
Vol 2020 ◽  
pp. 1-13 ◽  
Author(s):  
Jiangbin Wang ◽  
Ling Liu ◽  
Chongxin Liu ◽  
Xiaoteng Li
Keyword(s):  
Sliding Mode Control ◽  
Power System ◽  
Design Process ◽  
Equivalence Principle ◽  
Sliding Mode ◽  
Chaotic Oscillation ◽  
Adaptive Sliding Mode Control ◽  
Adaptive Sliding Mode ◽  
Mode Control ◽  
Control Scheme

The main purpose of the paper is to control chaotic oscillation in a complex seven-dimensional power system model. Firstly, in view that there are many assumptions in the design process of existing adaptive controllers, an adaptive sliding mode control scheme is proposed for the controlled system based on equivalence principle by combining fixed-time control and adaptive control with sliding mode control. The prominent advantage of the proposed adaptive sliding mode control scheme lies in that its design process breaks through many existing assumption conditions. Then, chaotic oscillation behavior of a seven-dimensional power system is analyzed by using bifurcation and phase diagrams, and the proposed strategy is adopted to control chaotic oscillation in the power system. Finally, the effectiveness and robustness of the designed adaptive sliding mode chaos controllers are verified by simulation.

scholarly journals A Novel Adaptive Super-Twisting Sliding Mode Control Scheme with Time-Delay Estimation for a Single Ducted-Fan Unmanned Aerial Vehicle

Actuators ◽  
2021 ◽  
Vol 10 (3) ◽  
pp. 54
Author(s):  
Minh-Thien Tran ◽  
Dong-Hun Lee ◽  
Soumayya Chakir ◽  
Young-Bok Kim
Keyword(s):  
Time Delay ◽  
Sliding Mode Control ◽  
Unmanned Aerial Vehicle ◽  
Sliding Mode ◽  
Time Delay Estimation ◽  
Delay Estimation ◽  
Mode Control ◽  
Ducted Fan ◽  
Control Scheme ◽  
Aerial Vehicle

This article proposes a novel adaptive super-twisting sliding mode control scheme with a time-delay estimation technique (ASTSMC-TDE) to control the yaw angle of a single ducted-fan unmanned aerial vehicle system. Such systems are highly nonlinear; hence, the proposed control scheme is a combination of several control schemes; super-twisting sliding mode, TDE technique to estimate the nonlinear factors of the system, and an adaptive sliding mode. The tracking error of the ASTSMC-TDE is guaranteed to be uniformly ultimately bounded using Lyapunov stability theory. Moreover, to enhance the versatility and the practical feasibility of the proposed control scheme, a comparison study between the proposed controller and a proportional-integral-derivative controller (PID) is conducted. The comparison is achieved through two different scenarios: a normal mode and an abnormal mode. Simulation and experimental tests are carried out to provide an in-depth investigation of the performance of the proposed ASTSMC-TDE control system.

scholarly journals A Parameter Independent Stator Current Space-Vector Reference Frame-Based Sensorless IPMSM Drive Using Sliding Mode Control

Energies ◽  
2021 ◽  
Vol 14 (9) ◽  
pp. 2365
Author(s):  
Mohammadreza Moradian ◽  
Jafar Soltani ◽  
Mohamed Benbouzid ◽  
Abbas Najjar-Khodabakhsh
Keyword(s):  
Sliding Mode Control ◽  
Reference Frame ◽  
Sliding Mode ◽  
Rotor Speed ◽  
Space Vector ◽  
Stator Current ◽  
Mode Control ◽  
Control Scheme ◽  
Stator Flux ◽  
Stator Resistance

In this paper, a sliding mode control is presented for direct torque and stator flux control of interior permanent magnet synchronous motor in a rotor speed sensorless drive system. The control scheme is developed in a specific synchronous rotating reference frame (X-Y) in which the stator current space vector coincides with the direct (X) axis. For this control technique no need to have any knowledge of machine parameters such as stator two-axis inductances, rotor permanent magnets flux linkage, and even the rotor initial position. However, the on-line actual stator resistance value is required to estimate the stator flux components in the stator stationary two-axis reference frame. In this control strategy, two simple methods are described for estimating the rotor speed and stator resistance. Some simulation and experimental results are presented to support the validity and effectiveness of the proposed control scheme.

Sign in / Sign up

Export Citation Format

Share Document