弯曲型聚吡咯驱动器的驱动特性及其建模研究

引用本文: 习爽, 左双双. 弯曲型聚吡咯驱动器的驱动特性及其建模研究[J]. 分析化学, 2020, 48(11): 1486-1492. doi: 10.19756/j.issn.0253-3820.201345 shu

Citation: XI Shuang, ZUO Shuang-Shuang. Modeling Study on Actuating Characteristics of Bending Polypyrrole Actuators[J]. Chinese Journal of Analytical Chemistry, 2020, 48(11): 1486-1492. doi: 10.19756/j.issn.0253-3820.201345 shu

弯曲型聚吡咯驱动器的驱动特性及其建模研究

习爽 ^, ,
左双双

南京林业大学机械电子工程学院, 南京 210037

通讯作者: 习爽,shuang_996@163.com

基金项目:
本文系南京林业大学校青年科技创新基金（No.CX2017008）、江苏高校品牌专业建设工程项目和江苏省自然科学基金项目（No.BK20160934）资助

摘要: 基于自主搭建的测试平台，研究层状弯曲型聚吡咯驱动器的电化学-机械特性。根据驱动器的结构特点和工作原理，将其等效为悬臂梁进行建模，将驱动器内部的离子迁移产生的力等效为施加在悬臂梁上的载荷，构建驱动器的弯曲模型。选取3种不同长度尺寸的驱动器，对其施加低电压，测量其在不同电压下的顶端位移。将测量数据带入上述弯曲模型，得出电压与驱动器的顶端位移、曲率半径、弯矩、应变之间的函数关系，基于实验结果验证模型的准确性。此模型可拟合出驱动器的基本参数，准确预测实际运用中的变形行为，从而提高研究的效率。本研究可为聚吡咯驱动器应用于实际系统提供制备、系统建模方面的实验和理论依据，进而推动微型驱动器在微纳米操纵、溶液微粒分析、生物传感等领域的应用。

关键词:

English

Modeling Study on Actuating Characteristics of Bending Polypyrrole Actuators

XI Shuang ^, ,
ZUO Shuang-Shuang

School of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing 210037, China

Corresponding author: XI Shuang, shuang_996@163.com

Received Date: 14 June 2020
Revised Date: 10 September 2020
Fund Project:
This work was supported by the Youth Science and Technology Innovation Foundation of Nanjing Forestry University (No.CX2017008), the Top-notch Academic Programs Project of Jiangsu Higher Education Institutions, and the Natural Science Foundation of Jiangsu Province, China (No.BK20160934).

Abstract: The bending actuator based on polypyrrole has many advantages such as large mechanical stress, large strain value, high recoverability and safety, which shows tremendous application potential in the fields of micro/nano operating systems, biomedical equipment and biosensors. However, the relationship between the bending behavior of the actuator and the driving voltage still needs to be explored. In this work, the electrochemical mechanical properties of the layered bending polypyrrole actuator were studied on the basis of the self-built test platform. According to the structural characteristics and working principle, the actuator was equivalent to a cantilever beam for modeling, and the force generated by the ion migration inside the actuator was equivalent to the load applied on the cantilever beam to build the bending model of the actuator. Three kinds of actuators with different lengths were selected to apply low voltage to them and measure their tip displacement at different voltages. Taking the measured data into the above bending model, the functional relationship between the voltage and the tip displacement, curvature radius, bending moment and strain of the actuator were obtained, and the accuracy of the model was verified based on the experimental results. The model fitted the basic parameters of the actuator, and accurately predicted the deformation behavior in practical application, so as to improve the efficiency of research. This study provided the experimental and theoretical basis for the preparation and system modeling of polypyrrole actuators in practical applications, and promoted the application of micro actuators in the fields of micro/nano manipulation, particle analysis in solution, biosensors and so on.

Key words:

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沈阳化工大学材料科学与工程学院沈阳 110142

弯曲型聚吡咯驱动器的驱动特性及其建模研究

通讯作者: 习爽,shuang_996@163.com

English

Modeling Study on Actuating Characteristics of Bending Polypyrrole Actuators

Corresponding author: XI Shuang, shuang_996@163.com

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

弯曲型聚吡咯驱动器的驱动特性及其建模研究

通讯作者: 习爽,shuang_996@163.com

English

Modeling Study on Actuating Characteristics of Bending Polypyrrole Actuators

Corresponding author: XI Shuang, shuang_996@163.com

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

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CCS Chemistry：颜徐州、鲍哲南：你的皮肤可能是一片SPMs