Existing Operational Unmanned Systems as Mobile Networked Nodes An Undersea Distributed Network System (UDNS) is defined as a warfighting system consisting of sensors, unmanned vehicles, and platforms, all networked together to provide an accurate perception of the underwater battlespace. A key question is: How can the UDNS community leverage these components to experiment with innovative concepts, while minimizing investment in interim hardware? This paper focuses on existing Boeing unmanned vehicles that can support UDNS sensor and network experimentation. The underwater battlespace ranges from the sea floor to the sea surface, and from the deep ocean to the littorals. While manned platforms such as submarines are very capable over most of these regimes, unmanned vehicles operate capably over all these ranges and more. Unmanned vehicles offer additional benefits including force multiplication, covertness, and the ability to perform missions in areas denied to manned platforms. Key requirements for unmanned vehicles supporting UDNS include: · Fully autonomous behavior sufficient to perform Table 0-1 AN/BLQ-11 Capabilities as an UDNS Mobile Node UDNS Key Requirement Full autonomous behavior AN/BLQ-11 Capability Autonomous execution of high level mission plan Autonomous SSN shadow & docking Fault tolerant autonomy (redundant systems) Kearfott INU, Teledyne DVL ACOMM or GPS reset (as needed or as planned) Navigation error < 0.15% distance traveled Existing UHF SATCOM on extensible mast. Existing mine detection/classification acoustic sensor suite (FLA, SLS). SAS and L-PUMA capable. Alternate payloads could replace existing comm and sensors. Vehicle drop weight could be replaced with additional payload. If vehicle is extended > 240", use an additional payload section. Lead Acid secondary batteries: 4 KWH (4 nm @ 4 kts) AgZn secondary batteries: 22 KWH (25 nm @ 4 kts) Lithium primary batteries: 95 KWH (108 nm @ 4 kts) If vehicle is extended > 240", can use additional energy section. Demonstrated SSN full impulse (10 g) launch from torpedo tube Vehicle acoustic C2 with sub-qualified SDE (TEMPALT) Built-in vehicle maintenance and diagnostics SW Complete mission planning, sim capability, and analysis tools Demonstrated autonomous docking with SSN planned missions and operate payload(s). Autonomy must handle both nominal and off-nominal conditions, without manned platform support. · Accurate internal navigation with minimal reliance on external navigation resets. · Communication and sensor payload support. Communication payloads include acoustic, laser, and/or RF communication link(s) to other unmanned vehicles or manned platforms. Sensor payloads include acoustic, ISR, and other sensors. Payload support includes volume and UUV operational considerations such as buoyancy/ballast/trim control, surfacing, and antenna extension/retraction. · Battery Endurance and Power sufficient for vehicle range/mobility, sensor payload(s) and communication payload(s) that meets mission needs. · Reliable launch, operation, and recovery from host platform (submarine or surface ship) that meets host compatibility (e.g. TEMPALT/SHIPALT) and supportability needs. Unmanned vehicles have been in development for Accurate internal navigation Communication and Sensor payload support Battery Endurance and Power Reliable launch, operation, and recovery 36 MTR May 2007
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