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Nowadays, studies of the interventional micro-robots have been hot topics in the field of medical device. The ultimate goal of medical micro robots is to reach currently inaccessible areas of the human body. In this paper, a novel bio-inspired interventional micro-robot in screw-in swim way is presented, which can move along the line, turn at the corner, and spinning. Based on the propulsion mechanism...
Based on the motion principle of gastropod, a novel interventional minimal invasive robot which has the ability to run smoothly in the biological lumen with impulsive flowing liquid has been presented. Simulation models of the interventional micro robot operating in the straight or the bend blood vessels have been established with the software of Fluent. Blood flow distribution and the impact force...
Due to the weak energy and nonstationarity, incipient fault characteristic signals are usually submerged by vibration signals of rotary machine and noise. Based on the multi-resolution feature and time-frequency localization feature of Wavelet Transform, a method to extract fault characteristic signals by decomposing them into corresponding time-frequency segmentations is presented. The noise is attenuated,...
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