The abdomen of a honeybee is a blueprint for bioinspired mechanical design because of its movement flexibility and compactness.However,the abdominal muscles closely related to the movement flexibility mechanism have n...The abdomen of a honeybee is a blueprint for bioinspired mechanical design because of its movement flexibility and compactness.However,the abdominal muscles closely related to the movement flexibility mechanism have not been fully identified,limiting the potential biological advantage of their use in bionic mechanism design.In this study,we reveal the muscle distribution of the complete muscular driving unit in a honeybee abdomen using stereoscopy and scanning electron microscopy,and the muscle distribution was effectively verified using X-ray tomography.A novel equivalent unit mechanism(EUM)was then proposed and the kinematic analysis indicated that the extension ratio,bending angle,and swing angle of the EUM reached 9.36%,1.22°,and 4.43°,respectively.The deformation ability of the EUM was consistent with the movement of the abdomen,confirming the movement flexibility.This work may provide a new perspective for distributed bionic mechanism design.展开更多
基金We thank Mr.Yanfei Hu,Mr.Chenzhou Wang,and Ms.Chenguang Zhao,Center of Biomedical Analysis in Tsinghua University,for microstructure observation experiments about honeybee abdomen.This work was supported by the National Natural Science Foundations of China(Grant No.51475258 and 51805293)the Beijing Natural Science Foundation(Grant No.3184050)the free exploration project of State Key Laboratory of Tribology,Tsinghua University(SKLT2020B04).
文摘The abdomen of a honeybee is a blueprint for bioinspired mechanical design because of its movement flexibility and compactness.However,the abdominal muscles closely related to the movement flexibility mechanism have not been fully identified,limiting the potential biological advantage of their use in bionic mechanism design.In this study,we reveal the muscle distribution of the complete muscular driving unit in a honeybee abdomen using stereoscopy and scanning electron microscopy,and the muscle distribution was effectively verified using X-ray tomography.A novel equivalent unit mechanism(EUM)was then proposed and the kinematic analysis indicated that the extension ratio,bending angle,and swing angle of the EUM reached 9.36%,1.22°,and 4.43°,respectively.The deformation ability of the EUM was consistent with the movement of the abdomen,confirming the movement flexibility.This work may provide a new perspective for distributed bionic mechanism design.
