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Team Members: Randy Cicale, Laurence DeWitt, Stephen Ray, Ian Shelley,

Multidisciplinary Engineering Senior Design Project 06010: Unmanned Surveillance Vehicle Preliminary Design Review 11.7.05. Team Members: Randy Cicale, Laurence DeWitt, Stephen Ray, Ian Shelley, Christopher Stilson, Stephen Visalli Team Mentor: Dr. Mercin Lukowiak

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Team Members: Randy Cicale, Laurence DeWitt, Stephen Ray, Ian Shelley,

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  1. Multidisciplinary Engineering Senior DesignProject 06010: Unmanned Surveillance VehiclePreliminary Design Review11.7.05 Team Members: Randy Cicale, Laurence DeWitt, Stephen Ray, Ian Shelley, Christopher Stilson, Stephen Visalli Team Mentor: Dr. Mercin Lukowiak Acknowledgements: Dr. Alan Nye Kate Gleason College of Engineering Rochester Institute of Technology

  2. Overview • Project Overview • Process • System Diagram • Analysis/Synthesis of Design • Challenges/Risks • Future Planning

  3. Project Overview • Original Proposal • Sponsor • Unmanned ground vehicle • GPS guided • Photographic surveillance • Wireless data transfer • 3 Preliminary concepts

  4. Process • Needs assessment • Concept development • Feasibility assessment • Project schedule/Gantt Chart

  5. Needs Assessment • Communication • Vehicle <–> Remote Computer • Operation • GPS <–> Vehicle • Graphical User Interface • Constant Photographic Feedback • Navigate through GPS waypoints

  6. Key Requirements & Critical Parameters • Navigate through waypoints • Reliable data transfer • Provide photographic feedback • Graphic User Interface • Package for < $2000 • One-hour battery life • Use on dry asphalt

  7. Overall System Diagram/Block Diagram

  8. Analysis & Synthesis of Design • Detailed Design • Feasibility of Components • Bill of Materials

  9. Detailed Design

  10. Base-plate • Material Cost • Material Availability • Strength • Manufacturability • Conductivity • Finish • Aesthetics

  11. Finite Element Analysis-Stress

  12. FEA - Deflection

  13. FEA – Shear Stress

  14. Drive-Train • Simplicity • Low mechanical energy loss • Low Cost • Easy to Assemble • Good Performance

  15. User Interface • Data processing • GPS and Visual Surveillance • User Friendly • Ability to adapt to users requests

  16. Transceiver • Transmit/Receive Wireless Data • Selection Parameters: • Outdoor transmission distance • Baud Rate • Power consumption • Ease of Use • I/O protocol • Impedance matching • FCC Govt. regulations • Cost

  17. Transceiver Comparison

  18. Transceiver • Radiotronix Wi.232 Developmental Kit • Govt. Regs. • Impedance match • Power performance • 3 AAA’s • I/O ports • RS232 & USB

  19. GPS • Background • Cost Effective/Simplistic compared to INS • Module v. Handheld • Easy to process data • Selection parameters • Cost • Feasibility • Power consumption • Accuracy • Acquisition time

  20. GPS • Polstar Technologies PMB-248 • Cheap - $26 • Low power – 80mA at 5V • Quick access time – 2-40sec • 12 parallel satellite-tracking channels for fast acquisition and reacquisition

  21. FPGA • Background • Easy to Modify • Lots of I/O ports • Chip v. Evaluation Board • Selection parameters • Cost • Power consumption • Amount of available logic • Speed

  22. FPGA • Xilinx Virtex-4 ML403 Evaluation Board • Cost - $495 • Donated to the team from Kodak • Low power • 450 MHz PowerPC Core • RS-232 Serial Port, 3 USB Ports (2 Peripheral/1 Host), 64 General Purpose I/O

  23. Servo Motors • Background • Importance • 4 Motors • “Tank Drive” • Selection Parameters • Required Voltage • RPM • Stall Torque • Cost

  24. Servo Motors cont’d • 12V .38 amp • Stall Torque: 225.64 oz-in • 263 RPM • $23.70/ea

  25. Wheels • Selection Parameters • Size (diameter and width) • Compatibility w/ Motors • Tread pattern • Cost

  26. Wheels cont’d • 5”D x 2.25”W • Neoprene • “Off-road Tread” design • $25/ pair

  27. Camera • Background • Importance • Color • Not restrict performance • Selection Parameters • Size • Range • Battery life • Cost

  28. Camera cont’d • 9V@150mA • Range of 1000’ (LoS) • 0.8”x0.8”x0.75” • Includes base station • 60 deg. Viewing angle • $99.00

  29. BOM & Costs

  30. Anticipated Design Challenges/Risk • Prototype safety • Roll-cage • Extended Wheel Base • Use of parking lot • Over-budget • Power consumption

  31. SD II Project Plan • 11.14.05 - Begin Ordering Parts • Work throughout winter quarter • 4.2.06 - Prototype Complete • 4.3.06 to 4.30.06 - Test and Debug • 5.15.06 - Prepared for Comprehensive Design Review

  32. Summary/Questions • Process • Needs • Feasibility • Preliminary design concept • Risks/challenges • Project planning

  33. Backup Slides and References • Pugh’s Method for Feasibility • GPS • Servo Motors • Wheels • Camera • FPGA • Transceiver • Base Plate • Drive-Train

  34. GPS Feasibility

  35. Servo Motor Feasibility

  36. Wheel Feasibility

  37. Camera Pugh’s Method

  38. FPGA

  39. Transceiver Feasibility

  40. Base-Plate Feasibility

  41. Drive-Train Feasibility

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