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首页> 外文期刊>Mechatronics, IEEE/ASME Transactions on >Electroactive Elastomeric Actuator for All-Polymer Linear Peristaltic Pumps
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Electroactive Elastomeric Actuator for All-Polymer Linear Peristaltic Pumps

机译：全聚合物线性蠕动泵的电活性弹性体执行器

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摘要

This paper describes the concept of a lightweight and deformable structure with intrinsic distributed electromechanical actuation, potentially suitable to develop soft linear peristaltic pumps for incompressible fluids. The proposed system is represented by a series of radially expanding flexible tubular modules, made of dielectric elastomers (DEs), as one of the most promising classes of electroactive polymers for actuation. Each module consists of a cylindrical hollow DE actuator, working in purely radial mode with specific boundary constraints. The static electromechanical transduction performance of such a module was investigated analytically, numerically, and experimentally. For this purpose, predictions obtained from an analytical model, derived in the hypothesis of linear elasticity, were compared with those provided by a finite-element method. Both models were validated by means of a comparison with experimental data, obtained from a silicone-made prototype module. Results permitted to obtain a simple tool of simulation, suitable to predict the performance of the system in terms of both displaced volume and driving pressure, as a function of the material elastic modulus and the applied voltage.
机译：本文介绍了一种具有固有分布的机电致动的轻巧可变形结构的概念，该结构潜在地适合于开发用于不可压缩流体的软线性蠕动泵。所提出的系统由一系列由介电弹性体（DE）制成的径向扩展的挠性管状模块代表，是最有希望的促动电活性聚合物之一。每个模块均由一个圆柱形空心DE执行器组成，该执行器在纯径向模式下具有特定的边界约束。通过分析，数值和实验研究了这种模块的静态机电转换性能。为此，将基于线性弹性假设的分析模型获得的预测与有限元方法提供的预测进行了比较。通过与从有机硅制成的原型模块获得的实验数据进行比较，对两个模型进行了验证。结果允许获得一个简单的仿真工具，该工具适合于根据材料的弹性模量和施加的电压，根据位移量和驱动压力来预测系统的性能。

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