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| 1 | 人体皮肤摩擦行为的研究进展及其挑战显示文摘日常生活中,人体皮肤不可避免与各种物体产生接触,由此产生的皮肤摩擦学问题受到包括纺织、美容、医疗、触觉传感器以及机器人等众多领域的关注。围绕人体皮肤的摩擦行为,本文从理论模型、实验方法以及典型数值仿真出发系统地探讨了皮肤摩擦研究的方法论,概述了皮肤解剖结构、摩擦行为研究方法及其影响因素3个方面的研究进展。基于此,总结了目前人体皮肤摩擦行为研究中存在的诸多问题和挑战。 | 韦慧心 王世斌 李林安 王志勇 李传崴 | 2023 | 力学与实践2023,45,6: | 1 |
| 2 | Design method for a bionic wrist based on tensegrity structures显示文摘The traditional bionic upper limb structure design is limited by the motion pair and cannot guarantee the flexibility of the mechanical structure.The tensegrity structure has the characteristics of high deformability,strong self-adaptability,and resistance to multi-directional impact.According to the biological characteristics of the upper limbs of the human body,an anatomical study is performed on the upper limb wrist joints that achieve adduction/abduction,flexion/extension,to obtain the relationship between the movements of the related bones and muscles,and to simplify the shape and structure of the wrist.Equivalent mapping of a mechanical model based on two-bar tensile properties.Through the contraction and stretching of the spring,the movement characteristics of the human muscles are realised,and the optimised bionic upper limb wrist tensioning robot without motion pair is further obtained.Adams simulation is used to verify that the bionic tensile wrist can simulate the change movement of the human wrist.The experimental platform was built and a physical prototype was made and the prototype was tested.The results show that the bionic tensile wrist can realise the adaptive motion characteristics of the human wrist well and stably,which proves the validity and feasibility of this design method. | Jianwei Sun Xuemin Cao Guangsheng Song | 2020 | Biosurface and Biotribology2020,6,2: | 0 |
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