Crawling and Jumping Soft Robots

Heads: Shinichi Hirai
Contact: Yasuaki Matsumoto

Date: 2002 - 2009

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

Supported by:
NEDO 21st Century Robot Challenge Program

Associated lab/group:
Hirai Lab. (Dept. Textile Eng., Shinshu Univ.)

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Project Description

In this research, we will develop a robot capable of rough terrain locomotion by its rolling and jumping. A robot consisting of deformable soft body and flexible actuators can roll and jump on a ground by the deformation of its deformable body.
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Jumping of Spherical Soft Robot

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Hill-climbing of Spherical Soft Robot

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Rolling of Circular Soft Robot

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Hill-climbing of Circular Soft Robot


Name Title Degree
Yasuaki Matsumoto Graduated Master of Eng.
Masayuki Miyazaki Graduated Master of Eng.
Hisashi Nakanishi Graduated Master of Eng.
Yoshinari Matsuyama Graduated Master of Eng.
Ayumi Shiotsu Graduated Master of Eng.
Yuuta Sugiyama Graduated Master of Eng.




Soft robot with built-in power source
(mpg 8.5MB)
Jump from Cap shape
(mpg 4.0MB)
Jump from Cup shape
(mpg 3.5MB)
Jump from Peanut shape
(mpg 3.6MB)
Jump from Dish shape
(mpg 4.3MB)
Spherical soft robot jumping
(mpg 7.3MB)
Spherical soft robot hill-climbing
(mpg 6.9MB)
Circular soft robot crawling
(mpg 6.4MB)
Circular soft robot hill-climbing
(mpg 2.4MB)
KOHARO EXPO MC demonstration
(mpg 181MB)

Related Sites