1. P08456-LED Lighting for an Underwater ROV Jeremy Schiele-Project Manager Jonathan Lent-Mechanical Engineer Ryan Seeber-Computer Engineer Justin VanSlyke-Mechanical Engineer Benoit Hennekinne-Electrical Engineer Sponsored by:

2. P08456-Project Description  End Users: Underwater ROVs and RIT’s robotic platforms (RP-1, 10, 100)  Waterproof light for underwater exploration  Top Level Requirements (eng. Specs): Waterproof design (min. 400 ft depth) High light output (min 250 lm @ 5 Watts) Low power consumption (max. 10 Watts) Controllable from remote surface unit Modular housing design must be able to house thruster’s motor unit as well

3. P08456-Light Unit Concept  Watertight bulkhead electrical connector  Corrosion resistant aluminum housing  Two LED colors available  Light unit controllable from surface  Two mounting systems available

4. P08456-Thruster Housing Concept  Utilizes the same rear portion as LED light unit, bulkhead connector, and PCB assembly

5. P08456-Mounting System Concept  Two mounting systems to meet specific requirements for each housing application Light = Adjustability Thruster = Rigidity

6. P08456-Functional Flowchart Convert battery power into required voltage Provide LEDs w/ correct amt. of power Light Heat Temp. Data Process Input Send PWM to LED driver Battery Power User Input Receive data from Temp. sensor

7. P08456-Summary of Design Review  Continue to meet with customer to fine tune housing design  Breadboard of electrical components is next step for verification

8. P08456-High Risk Areas  Risk: Pressure & Sealing Requirements Operation pressure: 216 psi (500 ft) All leak-points need to be verified and secured  Mitigation: FEA analysis of housing design Pressure chamber testing of prototype at Hydroacoustics Inc.  Risk: Heat Dissipation LED board produces up to 10 watts of heat Can cause premature failure for LEDs and damage other electronics  Mitigation: Thermal resistance analysis of LED board Separate LEDs from other electrical components LED board will have extra thick copper traces to evacuate heat

9. P08456-Product Development Phase MSD IMSD II 01234 Current Phase of Development Final Production Units Phase 0: Planning Phase 1: Concept Development Phase 2: System Level Design Phase 3: Detailed Design Phase 4: Testing & Refinement

10. P08456-Current State of Design  Current design meets all specs possible at this point in development

11. P08456-Current Budget  Cost / LED light unit: $380.87  Cost / thruster housing unit: $323.69  Development & bread board: $200.00  Prototype Unit: $150.00  Total Light Unit Budget: $1873.48  Product provided to P08454: $1295.00

12. P08456-MSDII Schedule Milestones  12/7 Machine Drawings finalized for CNC  12/12 All off-the-shelf parts ordered by  12/14 Housing prototypes made  1/13 Pressure, light, and PCB testing complete  2/18 Documentation complete (EDGE, tech paper, poster)  2/20 Production of 8 units completed  2/22 Final Project Review