JRM Vol.26 No.4 p. 518
doi: 10.20965/jrm.2014.p0518

Development Report:

Impedance Control of Two d.o.f. CPM Device for Elbow Joint

Nobutomo Matsunaga, Shota Miyaguchi, Hiroshi Okajima,
and Shigeyasu Kawaji

Department of Computer Science and Electrical Engineering, Kumamoto University, 2-39-1 Kurokami, Cyuou-ku, Kumamoto 860-8555, Japan

October 11, 2013
June 16, 2014
August 20, 2014
continuous passive motion, CPM device, upper limb, elbow joint disorder

Two d.o.f. CPM device
Continuous passive motion (CPM) involves orthopedic or post-surgery physiotherapy. Following surgery to correct ulna collateral ligament (UCL) injury in the elbow, for example, excessively extending the UCL aggravates the injury and reaction force of the arm increases excessively near the end of the range of motion (ROM). Controlling pro/supination, i.e., rotarymotion of the wrist, effectively suppresses reaction force, but may extend the UCL excessively. We propose a 2 d.o.f. (degrees of freedom) impedance controller as a CPM device for the elbow to suppress reaction force based on the musculoskeletal system.
Cite this article as:
N. Matsunaga, S. Miyaguchi, H. Okajima, and S. Kawaji, “Impedance Control of Two d.o.f. CPM Device for Elbow Joint,” J. Robot. Mechatron., Vol.26 No.4, p. 518, 2014.
Data files:
  1. [1] S. Miyaguchi et al., “Impedance Control of Two d.o.f. CPM Device for Elbow Joint,” Mechatronic Systems, Applications, A. Miella et al. (Eds.), In tech, pp. 213-226, 2010.
  2. [2] S. Miyaguchi et al., “Control Scheme of Two d.o.f. CPM Device to Suppress the Extension of Ligament of the Elbow,” Biomedical Signal Processing and Control, doi:10.1016/j.bspc.2009.02.007, 2009.
  3. [3] S.Miyaguchi et al., “Trajectory Generation of CPM Device for Upper Limbs Considering Constraint Caused by Joint Disorder,” J. of Robotics and Mechatronics, Vol.22, No.2, pp. 239-246, 2010.

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