Zhanying Feng

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Guided waves have been the attractive ways for the nondestructive inspection of the large structure because of their many advantages. The characteristics of guided waves are presented; some consideration of guided waves in the large structure inspection is stated; excitation methods and their merits and shortcomings are introduced. Several typical(More)
when the autonomous mobile robot moves, it depends on vision system to catch the targeted objects, so vision system is one of the key technologies for intelligent robot. In order to solve the problem of recognizing objects characterized by specified color and shape in the autonomous robot, a seed fill method based on HUV model is proposed and improved in(More)
In order to increase the ultrasonic inspection speed of skin honeycomb core sandwich structure, the application of guided waves in this field was researched on. The characteristics of guided waves was stated, the propagation of guided waves in the skin honeycomb core sandwich structure was analyzed. Guided wave mode was selected in term of signal amplitude(More)
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