The Navy’s Dry Combat Submersible (DCS) is a new small submersible operated by a crew of 2 and capable of transporting 8 additional passengers. DCS systems and components located external to the pressure hull have dedicated “hardwired” connections and discrete signal lines for their control. This architecture limits the ability to readily add external components or to modify existing external configurations. A “plug and play” capability for external components is needed. A new digital control architecture incorporating CANBus or other protocols may be a solution. An external data bus architecture must be robust and highly fault tolerant. Design, fabrication, and demonstrations of a sub-scale prototype external data and control bus are desired.
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