Title :
Research on positioning of GMA based on improved Prandtl-Ishlinskii model
Author :
Lu, Quanguo ; Deng, Hongfu ; Zhen, Yuying ; Cao, Qinghua
Author_Institution :
Inst. of Micro/Nano Actuation & Control, Nanchang Inst. of Technol., Nanchang, China
Abstract :
Positioning precision of giant magnetostrictive actuator (GMA) is seriously effected by hysteresis nonlinearity of giant magnetostrictive material (GMM). To solve the problem, based on improved Prandtl-Ishlinskii model and experimental data, the hysteresis model related to the stress of GMA and its hysteresis inverse model were established in the paper. The proportional controller with feedforward compensation using the improved Prandtl-Ishlinskii inverse model of GMA was designed. The measuring and controlling system for GMA were established, and the experiments were carried out. Simulation and experimental results show that the method proposed in the paper can realize precision positioning with high accuracy.
Keywords :
actuators; feedforward; giant magnetoresistance; magnetic hysteresis; magnetic materials; magnetostrictive devices; position control; precision engineering; GMA positioning precision; GMA stress; controlling system; feedforward compensation; giant magnetostrictive material; hysteresis inverse model; hysteresis nonlinearity; improved Prandtl-Ishlinskii inverse model; measuring system; proportional controller; Actuators; Data models; Hysteresis; Iterative methods; Magnetic hysteresis; Magnetostriction; Steady-state; Giant Magnetostrictive Actuator; Hysteresis Modelling; Prandtl-Ishlinskii Model; Precision Positioning;
Conference_Titel :
Electric Information and Control Engineering (ICEICE), 2011 International Conference on
Conference_Location :
Wuhan
Print_ISBN :
978-1-4244-8036-4
DOI :
10.1109/ICEICE.2011.5777328
