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Rotary driving of a single micro/nano object is an important technology in assembling of micro/nano structures, handling of cells and other biological samples, micro/nano measurement etc. In 2013, our research group reported a method to rotate a single nanowire around a fiberglass in water. Based on the experiments, the rotary driving is caused by the acoustic streaming eddy around the micro manipulation...
In this paper, levitation characteristics of a noncontact rotary ultrasonic motor are analyzed by the finite element method, with the COMSOL MULTIPHYSICS software. The motor consists of a bowel-shaped stator and semispherical rotor, and the rotor is levitated by acoustic field in the air gap between the stator and rotor, generated by a traveling wave vibration of the stator. It has no mechanical bearing...
3D Terrestrial Laser Scanning (TLS) facilitates survey campaign which is essential step for point cloud data acquisition and further research. IRIS-3D, one typical media of TLS, has been widely applied to comprehensive fields such as commercial survey, engineering, mining and industrial markets. The process of three dimensional surface modeling (3DSM) was elaborated and quantification for different...
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