microvalve Micro Pneumatic Valve

Heads: Shinichi Hirai
Contact: Kotaro Kishikawa

Date: 2003 -

Mailing address:
Dept. Robotics, Ritsumeikan Univ.
Kusatsu, Shiga 525-8577, Japan

Supported by:

Associated lab/group:

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Project Description

We develop a micro pneumatic proportional valve that can be embedded into pneumatic muscles and can control air flow of 0.5 MPa pressure and 5 l/min flow rate to drive the pneumatic muscles.
2019/5/30 Lecturing "Vibration-driven Micro Pneumatic Valves" at a seminar in spring conference of Japan Fluid Power System Society
2017/11/29-12/2 Demonstrating soft grippers and micro pneumatic valves at International Robot Exhibition
2015/12/18 Demonstrating micro pneumatic valves at Robotics Technology Seminar in Grand Front Osaka
2015/12/2-5 Demonstrating binding hands and micro pneumatic valves at International Robot Exhibition
2009/8/1 Demonstration of unconstrained poppet valves and tensegrity robots in Open Campus.
2006/11/30-12/2 Exhibition of Unconstrained Poppet Valves at International Next Generation Robot Fair (INTEX Osaka). (Nikkan Kougyo Shimbun 2006/11/21) (photo in article)


Name Title Degree
Zhou Ziyuan M2
Nagai Syunya M1
Kotaro Kishikawa Graduated Master of Eng.
Furuta Haruki Graduated Master of Eng.
Kubo Toshiki Graduated Master of Eng.
Fujiki Ryosuke Graduated Master of Eng.
Kouhei Yamamoto Graduated Master of Eng.
Koutaro Taniwa Graduated Master of Eng.
Kazuya Miyaji Graduated Master of Eng.
Suzuki Higuchi Graduated Master of Eng.
Kazuhiro Kato Graduated Master of Eng.
Kenta Kouzai Graduated Master of Eng.
Kazuhiro Izusawa Graduated Master of Eng.
Masayuki Tatsumi Graduated Master of Eng.
Yoichiro Ogawa Graduated Master of Eng.
Jien Sumadi Graduated Ph.D
Shouta Uehara Graduated Master of Eng.
Zhao Zifu Graduated
Kishida Takumi Graduated
Kanako Fujiwara Graduated
Masahiko Ito Graduated
Hiroshi Takayama Graduated





A pair of micro pneumatic valves (near coins) is driving a mechanical gripper. (mov 42.6MB)

Robot finger driven by micro valves (wmv 0.7MB)

Opening/closing of micro valve (mpg 4.5MB)

Micro valves driving pneumatic actuator (avi 10.3MB)

Three-way valve

Driving and control circuit

Robotic finger with microvalves

Robotic finger with microvalves

Driving circuit of micro valve

Related Sites