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The ocean shuttle submersible, its autonomous marine power source (AMPS) and power source control system

The Ocean Shuttle is an advanced nuclear powered sub-sea vehicle which will offer a fully autonomous workbase from which a wide variety of sub-sea activities of can be carried out. Considerably larger than the current generation of deep diving manned submersibles and possessing a central mission bay, the vehicle will be used for the seabed deployment and retrieval of equipment, ROV's and saturation divers. The heart of the Ocean Shuttle concept is the ECS Autonomous Marine Power Source (AMPS), a 100 kWe nuclear power source which can be designed for a range of power outputs and adapted to many marine applications. This low cost air-independent power source will enable low speed dived missions which are only man-limited in duration, and permit the use of manned submersibles as sole in-situ support vehicles for sub-sea ROV's. The capabilities of the Ocean Shuttle are described in this paper and the applications for which it is intended, including the deployment of ROV's are given. The components of the AMPS are detailed with particular emphasis on the fault-tolerant control and monitoring system.