Benha University

Nader Abdelwahab Ahmed Mansour

Asst. Professor

Faculty of Engineering, Benha Mechanical Engineering

Bidirectional rotating actuators using shape memory alloy wires

Sensors And Actuators A: Physical • 2019
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Publication Information
Authors Youngshik Kim; Taesoo Jang; Hema Gurung; Nade A. Mansour; Bongju Ryu; Buhyun Shin
Keywords Not Available
Journal Sensors And Actuators A: Physical
Publisher Not Available
Volume 295
Issue Not Available
Pages Not Available
publication.type International
Paper Link Open Link
Supplementary Materials Not Available
Abstract
In this work, novel Shape Memory Alloy (SMA)-based actuators are proposed to provide angular displacements in both clockwise and counter-clockwise directions with compliance. A bidirectional SMA rotating actuator is fabricated using a rotating frame and two SMA wire-based actuating units similar to human skeletal muscle systems without any additional complicated rotational driving mechanism. These actuating units are activated independently to provide bidirectional rotary motions by using sequentially coordinated electrical inputs. The mechanical, thermal, and electrical properties of the bidirectional SMA rotating actuator are also characterized experimentally. The design and manipulation of the proposed actuator are experimentally verified with simple open-loop and closed-loop control strategies.
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