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IJAT Vol.8 No.2 pp. 159-168
doi: 10.20965/ijat.2014.p0159
(2014)

Paper:

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Study on Control Performance with Consideration of Articulated Manipulators with Pneumatic Cylinders

Eiji Murayama*, Yoshiyuki Yogosawa*, Yukio Kawakami**,
Akiyoshi Horikawa***, Koji Shioda***, and Masashi Ogawa***

*Graduate School of Engineering and Science, Shibaura Institute of Technology, 307 Fukasaku, Minuma-ku, Saitama-city, Saitama 337-8570, Japan

**Department of Machinery and Control Systems, Shibaura Institute of Technology, 307 Fukasaku, Minuma-ku, Saitama-city, Saitama 337-8570, Japan

***Development Department, Development Division, KOGANEI Corporation

Received:
October 28, 2013
Accepted:
January 30, 2014
Published:
March 5, 2014
Creative Commons License
Keywords:
articulated manipulator, pneumatic cylinder, forward and inverse kinematics, position control, force control
Abstract
We have developed new articulated manipulators with compact pneumatic cylinders and high levels of structural flexibility and safety by adopting new structures. When a pneumatic cylinder is used as an actuator, mechanical friction and dead time are the main problems manifesting in the pneumatic servo system. In this study, we first designed nominal models of articulated manipulators using experimental data on a closedloop system. Thereafter, we analyzed the kinematics of the manipulators and examined the method of generating the trajectory of a manipulator’s fingertip. Finally, we conducted simulation and experiments on the articulated manipulators we developed to understand their positional controllability. Furthermore, we experimentally evaluated the pressure-sensitive sensor embedded in the fingertip, the results of which are also reported in this paper.
Cite this article as:
E. Murayama, Y. Yogosawa, Y. Kawakami, A. Horikawa, K. Shioda, and M. Ogawa, “Study on Control Performance with Consideration of Articulated Manipulators with Pneumatic Cylinders,” Int. J. Automation Technol., Vol.8 No.2, pp. 159-168, 2014.
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