How Does the Inner Geometry of Soft Actuators Modulate the Dynamic and Hysteretic Response?

08/09/2023
by   Jacqueline Libby, et al.
0

This paper investigates the influence of the internal geometrical structure of soft pneu-nets on the dynamic response and hysteresis of the actuators. The research findings indicate that by strategically manipulating the stress distribution within soft robots, it is possible to enhance the dynamic response while reducing hysteresis. The study utilizes the Finite Element Method (FEM) and includes experimental validation through markerless motion tracking of the soft robot. In particular, the study examines actuator bending angles up to 500 results demonstrate that the particular design with the minimum air chamber width in the center significantly improves both high- and low-frequency hysteresis behavior by 21.5 112 paper evaluates the effectiveness of "mechanically programming" stress distribution and distributed energy storage within soft robots to maximize their dynamic performance, offering direct benefits for control.

READ FULL TEXT

page 2

page 3

page 4

page 5

page 6

page 7

page 9

page 11

research
11/04/2020

Soft Robot Optimal Control Via Reduced Order Finite Element Models

Finite element methods have been successfully used to develop physics-ba...
research
07/21/2023

Direct and inverse modeling of soft robots by learning a condensed FEM model

The Finite Element Method (FEM) is a powerful modeling tool for predicti...
research
12/07/2022

What Happens When Pneu-Net Soft Robotic Actuators Get Fatigued?

Soft actuators have attracted a great deal of interest in the context of...
research
06/12/2023

Stochastic Approach for Modeling a Soft Robotic Finger with Creep Behavior

Soft robots have high adaptability and safeness which are derived from t...
research
08/23/2023

Trajectory Tracking Control of Dual-PAM Soft Actuator with Hysteresis Compensator

Soft robotics is an emergent and swiftly evolving field. Pneumatic actua...
research
06/06/2023

Finite Element Modeling of Pneumatic Bending Actuators for Inflated-Beam Robots

Inflated-beam soft robots, such as tip-everting vine robots, can control...
research
05/13/2022

Exploring the structure-property relations of thin-walled, 2D extruded lattices using neural networks

This paper investigates the structure-property relations of thin-walled ...

Please sign up or login with your details

Forgot password? Click here to reset