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Doppler Velocity Sensing for Maritime Robots

Doppler Navigation & Aiding for Maritime Robots Presented by: Omer Poroy Presented at: The Maritime Business & Technology Summit, November 30, 2011 Panel 10 – M aritime Robotics. 1. Doppler Velocity Sensing for Maritime Robots. Why? Navigation & Positioning in GPS Denied Environments

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Doppler Velocity Sensing for Maritime Robots

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  1. Doppler Navigation & Aiding for Maritime RobotsPresented by: Omer PoroyPresented at: The Maritime Business & Technology Summit, November 30, 2011Panel 10 –Maritime Robotics 1

  2. Doppler Velocity Sensing for Maritime Robots Why? Navigation & Positioning in GPS Denied Environments When? Anytime You Care Where Your Robot Is or Was Where? Subsea or Surface Anti Access/Area Denial Scenarios What?Measurement of Speed Over Ground & Speed Through Water How? Broadband Sonar Signal Processing for Induced Doppler Effect Who?Teledyne RD Instruments, 30 Years of Acoustic Doppler Processing 2

  3. Platforms Currently Leveraging Doppler Solutions 3

  4. Product Selection & Considerations • Sensor Size vs. Bottom Tracking Range • Power Consumption vs. Bottom Tracking Range • Accuracy vs. Bottom Tracking Range • It’s all about precision bottom track performance from a given form factor… Small, Low Power, Flexible Systems for 2 Man Portable and Light-Weight Maritime Robots - Explorer DVL Full Ocean Depth, High Precision Systems for Full Range of Maritime Robots – Workhorse Navigator DVL Long Range, High Power Systems for Larger Maritime Robots – Phased Array Velocity Sensor (PAVS) DVL 4

  5. Emerging Requirements & Future Needs • Platforms Have a Growing Need to: • Project Power Over the Horizon • Covertly Operate in Littoral Waters • Collect Battlespace Information • New Velocity Sensors Must Provide: • Feasible Size and Power Constraints for the Host Platform • Robust Bottom Referenced Velocity Measurements at High Altitudes • Precision Bottom Referenced Velocity Measurements Throughout the Littoral Zone • Reliable Bottom Tracking Regardless of Bottom Type or Condition • Water References Velocity and Current Profiles in Deep Waters • Integration Flexibility and Ease of Integration with Inertial Navigation Systems • Precisely Navigate and Locate Targets • Operate as a Communication Network Node • Provide Persistent ISR Capability SMCM Vehicle as Depicted in DoD FY2009-2034 Unmanned Systems Integrated Roadmap 5

  6. Questions… 6

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