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The trajectory of autonomous underwater vehicle is influenced by the complex marine environment seriously. In this paper, we model the underwater six-degree of freedom motion based on the momentum and angular momentum theorem and ocean current model. By the analysis of the motion, we build a three channels closed-loop control system in terms of pitch, yaw and roll in order to ensure the stability...
With the popularity of intelligent mobile devices, enormous amounts of urban information has been generated and demanded by the public. In response, ShanghaiGrid (SG) aims to provide abundant information services to the public. With a fixed schedule and urbanwide coverage, an appealing service in SG is to provide free message delivery service to the public using buses, which allows mobile device users...
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