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Novel Robotic System for Joint Mechanical Tests Using Velocity-Impedance Control

[+] Author Affiliations
Hiromichi Fujie

Tokyo Metropolitan University, Tokyo, JapanKogakuin University, Tokyo, Japan

Hitoshi Yagi

Kogakuin University, Tokyo, Japan

Paper No. SBC2011-53884, pp. 651-652; 2 pages
  • ASME 2011 Summer Bioengineering Conference
  • ASME 2011 Summer Bioengineering Conference, Parts A and B
  • Farmington, Pennsylvania, USA, June 22–25, 2011
  • Conference Sponsors: Bioengineering Division
  • ISBN: 978-0-7918-5458-7
  • Copyright © 2011 by ASME


The first study as regard with the application of robotic technology to the field of joint biomechaics was reported more than 20 years ago1). Since then, a variety of studies have employed commercially available articulated manipulators for the joint biomechanical studies1–4). However, such articulated manipulators are generally poor at stiffness and precision although they were basically designed to achieve high speeds of motion while performing tasks in a large work space. To solve the problem, we have previously developed a robotic system consisting of a custom-made 6-degree of freedom (6-DOF) manipulator and a universal force-moment sensor (UFS)5). Referring to the robotic system, the present study was aimed to develop a novel robotic system of rigid body/structure that allows a high-rate displacement/force control of the knee using a velocity-impedance control.

Copyright © 2011 by ASME



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