Analysis of geometrically nonlinear anisotropic membranes: application to pneumatic muscle actuators

被引：12

作者：

Zhang, WQ ^{[1
]}

Accorsi, ML ^{[1
]}

Leonard, JW ^{[1
]}

机构：

[1] Univ Connecticut, Dept Civil & Environm Engn, Storrs, CT 06269 USA

来源：

FINITE ELEMENTS IN ANALYSIS AND DESIGN | 2005年 / 41卷 / 9-10期

关键词：

pneumatic muscle actuator; anisotropic membrane; nonlinear structural dynamic behavior; finite element method; parachute systems;

D O I：

10.1016/j.finel.2004.12.005

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

Pneumatic muscle actuators are effective devices to generate tension forces by converting pneumatic energy into mechanical energy. They are currently being used in parachute systems for soft-landing and steering control applications. Therefore, the simulation of their nonlinear structural dynamic behavior is necessary for a complete evaluation of these parachute systems. In this paper, the working principles of pneumatic muscle actuators are reviewed; the application of pneumatic muscle actuators in parachute systems for soft-landing and steering control is described; and a new finite element model for pneumatic muscle actuators is presented. Geometrically nonlinear anisotropic membrane elements are used in this model to simulate the nonlinear structural dynamic behavior of pneumatic muscle actuators, which is different from previous approaches. A quasi-static pneumatic muscle actuator model is analyzed for validation and two dynamic applications of pneumatic muscle actuators in parachute systems are also presented. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：944 / 962

页数：19

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