Title
A Bidirectional 3D-printed Soft Pneumatic Actuator and Graphite-based Flex Sensor for Versatile Grasping*.
Abstract
THIS paper presents a bidirectional 3D-printed soft pneumatic actuator that is capable of inward and outward bending. A direct 3D-printing approach is adopted to fabricate the actuator, which reduces fabrication complexity and allows for easy customization of actuator dimensions for various applications. To illustrate the applicability of the bidirectional actuators, four of these actuators were incorporated into a gripper system. A suite of various functional grasping tasks, such as packaging, assembly, and alignment tasks, were successfully conducted. It was observed that the unique bidirectional bending characteristic of the actuator allows the gripper to grasp objects with sizes up to 245% larger than its default grasping width. To complement the gripper system, a graphite-based flex sensor that is able to sense bending in two directions is developed to control the bidirectional actuators. A preliminary test was conducted successfully where the user controlled the gripper system to grasp, hold, and release an object using a glove with the sensors.
Year
DOI
Venue
2020
10.1109/ICRA40945.2020.9196837
ICRA
DocType
Volume
Issue
Conference
2020
1
Citations 
PageRank 
References 
0
0.34
3
Authors
6
Name
Order
Citations
PageRank
Jin Huat Low182.11
J Goh2145.25
Cheng, N.3372.97
P. M. Khin400.68
Q. B. Han511.06
Chen-Hua Yeow6166.32