Design and traction performance analysis of a mine deformable crawler pipeline robot by WANG Guorui, YAN Hongwei, KOU Ziming, WEI Hongmei, REN Haojie, MA Yaohui

“…A mine deformable crawler pipeline robot was proposed, which could adapt to pipeline environments with diameters ranging from DN180 to DN220. The robot included one central diameter-changing module and three crawler foot modules. …”
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Continuously adjustable hollow beam for ultrafast laser fabrication of size-controllable nanoparticles by Wang Zhi, Yi Peng, Wang Andong, Li Taoyong, Chen Wentao, Qi Xiaolin, Li Xiaowei

“…By modulating the relative dimensions of these two regions, the hollow center can be continuously varied. …”
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