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The paper investigates region tracking control for Autonomous Underwater Vehicles (AUVs). A novel region tracking controller is proposed to drive AUV's position tracking error in each instant into the predefined sphere region. It is realized by constructing a continuous and differentiable piecewise function firstly, and then by designing a virtual variable based on Euclidean norm and fractional power...
Hidden coal gas fire spontaneous combustion troubles are one of the greatest threats to the coal safety production due to the gas explosion. In this paper, a novel method of prediction the hidden fire source is presented by means of choosing the concentration of CO gas as the indicator to detect the hidden coal gas fire location because CO gas is first reach the alarm threshold in the process of coal...
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