相关实验视频

Updated: Jul 19, 2025

Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots

Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots

Published on: November 8, 2019

研究一个多反应,高变形,可编程的PLA-PPC/PVA-PDA执行器

Yan Zhang¹, Tianyi Sun¹, Dashuai Zhang¹

¹Key Laboratory of Water Pollution Treatment & Resource Reuse, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, 571158, P. R. China.

Macromolecular rapid communications

|August 18, 2023

概括

这项研究引入了一种新的多响应可编程执行器,使用聚乳酸-聚烯碳酸/聚乙烯醇-聚多巴胺 (PLA-PPC/PVA-PDA) 双层结构. 执行器在各种刺激下表现出高度的变形和可编程性,为先进的智能材料铺平了道路.

科学领域:

材料科学材料科学材料科学
聚合物科学聚合物科学
执行器技术执行器技术

背景情况:

双层聚合物执行器是对温度,湿度和光等环境刺激的智能反应的关键.
目前面临的挑战包括实现这些执行器的多响应能力,高变形和可编程性.

研究的目的:

开发一种具有增强变形能力的新型多响应可编程执行器.
为了研究PLA-PPC/PVA-PDA双层结构在各种刺激下的性能.
探索这种执行器在动态过程和仿生系统中的潜在应用.

主要方法:

使用简单的削薄膜方法制造一个不可拆卸的双层执行器.
使用聚乳酸聚烯碳酸盐 (PLA-PPC) 作为溶剂驱动的反应层.
使用聚乙烯醇-聚多巴胺 (PVA-PDA) 作为对水分子和红外 (IR) 光的反应层.

主要成果:

在溶剂蒸汽下,PLA-PPC/PVA-PDA执行器表现出显著的变形,高曲率为29.85厘米−1,受到乙烯酸 (EA) 的刺激.
该PVA-PDA层在对水分子和红外线光的反应中表现出极好的卷曲性能.
成功实现了动态过程的模拟,包括仿生鱼,花开和 Mimoza 变形.

结论:

开发的PLA-PPC/PVA-PDA双层执行器提供多响应能力,高变形和可编程性.
这项研究扩大了开发先进智能驾驶材料的范围.
执行器在响应多种刺激方面的多功能性为智能材料应用开辟了新的途径.

关键词:

在PLA-PPC/PVA-PDA聚合物薄膜中.双层结构是双层结构.高变形的高变形.多个响应,多个反应.可编程的执行器

更多相关视频

Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers

Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers

Published on: August 17, 2018

Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot

Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot

Published on: June 10, 2020

相关概念视频

Plastic Deformation in Circular Shafts

Plastic Deformation in Circular Shafts

When materials are subjected to forces that surpass their yield strength, they undergo a process known as plastic deformation. This results in a permanent alteration or strain in their structure. This concept can be specifically applied to circular shafts, where the deformation leads to a change in its shape. The precise evaluation of this plastic deformation requires understanding the stress distribution within the circular shaft, which is achieved by calculating the maximum shearing stress in...

PD Controller: Design

PD Controller: Design

In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...

Plastic Deformations

Plastic Deformations

It is essential to understand how structural members behave under plastic deformation when the bending stress exceeds the material's yield strength. This state of deformation permanently alters the shape of the member, in contrast to the linear elastic behavior observed before yielding. The strain at any point in the member is expressed in terms of maximum strain. Notably, the neutral axis, which coincides with the centroid during elastic bending, shifts away from the centroid under plastic...