School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China;
Department of Precision Instruments and Mechnology, Tsinghua University, Beijing 100084, China;
School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China;
School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China;
Giant magnetostriction Magnetic flux density Control method Micro-displacement actuator;