Journal ArticleDOI
Research on hysteresis compensation control of GMM
TLDR
In this paper, the cerebella model articulation controller is used as a feed forward controller to establish a nonlinear inverse model of giant magnetostrictive material (GMM).Abstract:
The cerebella model articulation controller is used as a feedforward controller to establish a nonlinear inverse model of giant magnetostrictive material (GMM). This controller can eliminate the effect of nonlinear hysteresis response of GMM and realize linear control. A PID feedback control is employed to improve the stability and accuracy of the system. The output of the system can map the target input of the system accurately using the compound controller. An experimental platform was built, and the availability of the compound controller was tested on it. Most of the errors of the controlled system were limited in 6 %.read more
Citations
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Journal ArticleDOI
Estimation of and compensation for unknown input nonlinearities using equivalent-input-disturbance approach
TL;DR: In this article, an estimation and compensation method for unknown input dead zone and backlash has been developed based on the equivalent-input-disturbance (EID) approach, which requires neither any information on the nonlinearities nor an inverse model of them.
Journal ArticleDOI
Adaptive trajectory tracking of magnetostrictive actuator based on preliminary hysteresis compensation and further adaptive filter controller
TL;DR: A hybrid control strategy comprising a preliminary rate-independent hysteresis compensation and a further adaptive filter controller is developed that is capable of precisely tracking step and multiple-frequency sinusoidal trajectory.
Journal ArticleDOI
Hysteresis nonlinearity modeling and position control for a precision positioning stage based on a giant magnetostrictive actuator
TL;DR: To improve the defect, the Jiles–Atherton hysteresis model and the dynamic recurrent neural network feed forward-fuzzy PID feedback control strategy were adopted and the positioning accuracy of the precision positioning stage was improved.
Journal ArticleDOI
Ill-conditioned dynamic hysteresis compensation for a low-frequency magnetostrictive vibration shaker
TL;DR: In this article, an adaptive feed-forward controller was proposed to address the ill-conditioned dynamic hysteresis on a custom-developed magnetostrictive vibration shaker.
Journal ArticleDOI
Research on Control Strategy in Giant Magnetostrictive Actuator Based on Lyapunov Stability
Xiaohui Gao,Yongguang Liu +1 more
TL;DR: The experiment results indicate that Lyapunov direct method that is integrated into inverse model feed-forward compensation fuzzy PD controller can effectively improve the dynamic output features especially in the complex dynamic environment, and reduce the root mean square error.
References
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Journal ArticleDOI
Modeling and control of hysteresis in magnetostrictive actuators
Xiaobo Tan,John S. Baras +1 more
TL;DR: A novel dynamic model is proposed for the hysteresis in magnetostrictive actuators by coupling a Preisach operator to an ordinary differential equation, and a parameter identification method is described.
Journal ArticleDOI
A Phantom-Node Method with Edge-Based Strain Smoothing for Linear Elastic Fracture Mechanics
Nam Vu-Bac,Nam Vu-Bac,Hung Nguyen-Xuan,Lei Chen,Chang-Kye Lee,Goangseup Zi,Xiaoying Zhuang,Gui-Rong Liu,Timon Rabczuk,Timon Rabczuk +9 more
TL;DR: A novel numerical procedure based on the combination of an edge-based smoothed finite element (ES-FEM) with a phantom-node method for 2D linear elastic fracture mechanics that achieves high accuracy compared with the extended finite element method (XFEM), and other reference solutions.
Journal ArticleDOI
Inverse compensation for hysteresis in magnetostrictive transducers
TL;DR: In this article, the authors proposed an inverse compensator for a class of ferromagnetic transducers including magnetostrictive actuators, which is based on the quantification of the energy required to translate domain walls pinned at inclusions in the material with the magnetization at a given field level specified through the solution of an ordinary differential equation.
Journal ArticleDOI
Modeling and inverse adaptive control of asymmetric hysteresis systems with applications to magnetostrictive actuator
Zhi Li,Chun Yi Su,Xinkai Chen +2 more
TL;DR: In this paper, an asymmetric shifted Prandtl-Ishlinskii (ASPI) model and its inverse are developed and a corresponding analytical expression for the inverse compensation error is derived.
Journal ArticleDOI
Dynamic modeling and adaptive vibration control study for giant magnetostrictive actuators
TL;DR: In this paper, a nonlinear constitutive model of a giant magnetostrictive actuator is put forward for the application of effectively suppressing vibration, which is established not only by combining linear constitutive equations with the Bouc-Wen equations but also by using Hamilton's principle and the assumed mode method to analyze the hysteresis phenomena and quadric frequency property.
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