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The tracking and localization technology of pipeline crawling robot is indispensable in industrial engineering, such as pipe-wall inspection, obstacle avoidance, and pipeline maintenance etc. All these requirements are achieved based on communication between outside and inside of pipeline equipments. Generally speaking, high frequency electromagnetic wave is the preferred method, for its mature technique,...
The paper analyzes the magnetic field distribution of emitter, and studies the localization technique based on ultra low frequency electromagnetic wave sensors. As the electromagnetic detection is sensitive to transform medium, which is related to its dielectric coefficient and magnetic inductive capacity, the paper presents a magnetic dipole model to simplify this problem and studies a new localization...
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