In this paper, the kinematics modeling of a notched continuum manipulator is presented, which includes the mechanics-based forward kinematics and the curve-fitting-based inverse kinematics. In order to establish the forward kinematics model by using Denavit–Hartenberg (D–H) procedure, the compliant continuum manipulator featuring the hyper-redundant degrees of freedom (DOF) is simplified into finite discrete joints. Based on that hypothesis, the mapping from the discrete joints to the distal position of the continuum manipulator is built up via the mechanics model. On the other hand, to reduce the effect of the hyper-redundancy for the continuum manipulator's inverse kinematic model, the “curve-fitting” approach is utilized to map the end position to the deformation angle of the continuum manipulator. By the proposed strategy, the inverse kinematics of the hyper-redundant continuum manipulator can be solved by using the traditional geometric method. Finally, the proposed methodologies are validated experimentally on a triangular notched continuum manipulator which illustrates the capability and the effectiveness of our proposed kinematics for continuum manipulators and also can be used as a generic method for such notched continuum manipulators.
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November 2015
Research-Article
Kinematics Modeling of a Notched Continuum Manipulator
Zhijiang Du,
Zhijiang Du
State Key Laboratory of Robotics and System,
2 Yikuang Street,
e-mail: duzj01@hit.edu.cn
Harbin Institute of Technology
,2 Yikuang Street,
Harbin 150080
, China
e-mail: duzj01@hit.edu.cn
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Wenlong Yang,
Wenlong Yang
State Key Laboratory of Robotics and System,
2 Yikuang Street,
e-mail: yangwl@hit.edu.cn
Harbin Institute of Technology
,2 Yikuang Street,
Harbin 150080
, China
e-mail: yangwl@hit.edu.cn
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Wei Dong
Wei Dong
1
State Key Laboratory of Robotics and System,
2 Yikuang Street,
e-mail: dongwei@hit.edu.cn
Harbin Institute of Technology
,2 Yikuang Street,
Harbin 150080
, China
e-mail: dongwei@hit.edu.cn
1Corresponding author.
Search for other works by this author on:
Zhijiang Du
State Key Laboratory of Robotics and System,
2 Yikuang Street,
e-mail: duzj01@hit.edu.cn
Harbin Institute of Technology
,2 Yikuang Street,
Harbin 150080
, China
e-mail: duzj01@hit.edu.cn
Wenlong Yang
State Key Laboratory of Robotics and System,
2 Yikuang Street,
e-mail: yangwl@hit.edu.cn
Harbin Institute of Technology
,2 Yikuang Street,
Harbin 150080
, China
e-mail: yangwl@hit.edu.cn
Wei Dong
State Key Laboratory of Robotics and System,
2 Yikuang Street,
e-mail: dongwei@hit.edu.cn
Harbin Institute of Technology
,2 Yikuang Street,
Harbin 150080
, China
e-mail: dongwei@hit.edu.cn
1Corresponding author.
Contributed by the Mechanisms and Robotics Committee of ASME for publication in the JOURNAL OF MECHANISMS AND ROBOTICS. Manuscript received June 4, 2014; final manuscript received October 22, 2014; published online April 6, 2015. Assoc. Editor: Robert J. Wood.
J. Mechanisms Robotics. Nov 2015, 7(4): 041017 (9 pages)
Published Online: November 1, 2015
Article history
Received:
June 4, 2014
Revision Received:
October 22, 2014
Online:
April 6, 2015
Citation
Du, Z., Yang, W., and Dong, W. (November 1, 2015). "Kinematics Modeling of a Notched Continuum Manipulator." ASME. J. Mechanisms Robotics. November 2015; 7(4): 041017. https://doi.org/10.1115/1.4028935
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