Related Experiment Video
Updated: Jul 27, 2026

Design and Fabrication of an Elastomeric Unit for Soft Modular Robots in Minimally Invasive Surgery
Published on: November 14, 2015
Multifunctional Origami-Inspired Bimodal Wireless Pneumatic Soft Actuator
Baiqian Xu1, Xiang Xiao1, Juncai Song1
1School of Medical Technology, Beijing Institute of Technology, Beijing, China.
Abstract:
Pneumatic soft actuators hold great potential in applications such as surgery and artificial muscles, while facing limitations mainly due to external pumps. This study presents an origami-inspired soft actuator eliminating traditional pumps through a liquid-gas phase transition mechanism. This actuator undergoes axial stretching below a critical pressure of 5.5 kPa and radial expansion above this pressure, demonstrating bimodal deformation. This dual-mode response enables high output force and versatile deformation, suitable for applications like channel dilation and occlusion. By integrating origami's geometric programmability with soft materials, deformation is easily controlled via simple processing, yielding a bioinspired gripper. Additionally, actuators integrating magnetic terminals achieve inchworm-like multigait motion in confined spaces, highlighting broad potential applications. Our constructed origami-inspired wireless pneumatic soft actuator enables overcoming previous functionality and deformation mode limitations, providing compact programmable solutions that advance soft robotics.
Related Concept Videos
Two-Dimensional Force System
Three-Dimensional Force System
Torque Free Motion
Mechanical Systems
Electro-mechanical Systems
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
PD Controller: Design
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...

