microvalve Micro Pneumatic Valve

Heads: Shinichi Hirai
Contact: Suzuki Higuchi

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
Kouhei Yamamoto M2
Kubo Toshiki M1
Fujiki Ryosuke M1
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.
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)

Robotic finger with microvalves

Driving circuit of micro valve

Related Sites