%0 Journal Article
%T 航天服等张力体关节有限元动力学分析模型的建立与验证<br>Development and Validation of the Dynamic FE Model of Spacesuit Isotensoid Joint
%A 刘奇林
%A 刘向阳
%A 李猛
%J 机械科学与技术
%D 2016
%X 研究航天服等张力体关节的活动特性，并提供关节优化设计的方法。在前人对关节有限元分析基础上，根据柔性单关节测试设备的原理，运用Lsdyna软件建立了航天服等张力体关节的有限元模型，分析了关节运动形态，计算得到了关节力矩-角度关系，并进行实验验证。等张力体关节有限元模型的精度相比于前人的模型有所提高，该模型能够准确反映关节实际运动过程中的几何形态变化，其力矩-角度关系与实验测得的数据基本一致，在测试的0~80°运动范围内，关节力矩值较小。等张力体关节具有良好的活动性能，且建立的有限元模型可用于进一步对关节特性分析及优化设计。<br>To study the mobility property and provide a method to optimize the design of spacesuit isotensoid joint. On the basis of existing joint finite element analysis, a finite element (FE) model of spacesuit isotensoid joint was established by using Lsdyna code according to the principle of equipment for testing flexible single-axis joint. Then the motion morphology of the joint was analyzed, and the joint torque-angle relationship was calculated. Experiment was conducted to verify this model. The results show that the accuracy of isotensoid joint FE model is improved compared to that of the existing model. The present model can exactly reflect the real changes of joint geometry during motion. And the torque-angle relationship calculated is basically the same as that experimentally measured. In the testing angle range of 0 to 80 degrees, joint torque is relatively low. The isotensoid joint demonstrates high flexibility and the present FE model can be further used for optimization design of the joint
%K 航天服
%K 等张力体关节
%K 有限元
%K 实验&lt
%K br&gt
%K spacesuit
%K isotensoid joint
%K finite element
%K experiment
%U http://journals.nwpu.edu.cn/jxkxyjs/CN/abstract/abstract6562.shtml