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Analysis on the Cruising Ability of the Hybrid Autonomous Underwater Vehicle
Pages: 36-40
Year: Issue:  1
Journal: Ocean Technology

Keyword:  hybrid autonomous underwater vehicle(HAUV)cruising abilitypropeller-driven modebuoyancy-driven modeeconomic speedgliding efficiency;
Abstract: The hybrid autonomous underwater vehicle(HAUV) has the advantages of high mobility of autonomous underwater vehicle(AUV) and outstanding cruising ability of autonomous underwater glider(AUG). To resolve the problem of limited onboard electrical power, research is conducted on how to realize the maximal cruising range under two modes. Considering the energy consumption during the cruise, this paper derives the relationship among distance, speed and the power of electronic equipment. The method with which the maximal cruising ability can be obtained is developed through theoretical analysis and simulation. In the propeller-driven mode,the maximal range can be achieved with the economic speed. In contrast, in the buoyancy-driven mode, the maximal gliding range in the horizontal direction can be obtained with the maximal gliding efficiency, and the gliding range becomes larger with increasing profile depth. The gliding range tends to be constant when the depth is large enough. This method is helpful for the power management system of similar underwater vehicles, and can provide theoretical guidance for the configuration design and sensor selection.
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