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This paper introduces an underwater wheeled vehicle towing system which is composed of an anterior traction winch, a posterior brake winch, wire rope and fixed pulleys. Under the coordinate driving of two winches which one draw in the cable while another one let out the cable, the wheeled vehicle can be towed to achieve the accelerating, uniform speed and decelerating movement on the track which is...
Aiming at the impact of cyber attack threat on the performance of C4ISR system, a structural effect modeling and simulation method of C4ISR system based on information flow model is proposed. Firstly, the connotation of C4ISR system structure effect is expounded, and two kinds of attack modes and three kinds of attack strategies are put forward. The structure information flow model is established...
In this paper, nonlinear chaos theory and wavelet transform are applied in modeling and forecasting traffic of wireless sensor network (WSN). Wavelet-weighted local model of chaotic prediction not only takes the advantages of lower and more determinism in chaos theory, but also the advantages of unique multi-resolution analysis in wavelet transform, which can be used to generate a rich set of prediction...
The acetabular cartilage is normally represented as a spherical shape in orthopedic clinic and related researches. The aim of the study was to present a new mathematic representation with better fit to the acetabular cartilage surface and to investigate the role of its shape on the hip joint contact stress. Combined with reverse engineering technique, surface-fitting algorithms and mathematical curve...
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