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2004 CAPSTONE PDR

2004 CAPSTONE PDR. TEAM S.A.F.E. MEMBERS Sean Groves Alex Henriquez Shannon Lahr Aaron Lyons Anders Fornberg. Overview of Presentation. Purpose Objectives Description System Approach Considerations Risks Contingency Plans Tasks Division of Labor Project Schedule

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2004 CAPSTONE PDR

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  1. 2004 CAPSTONE PDR • TEAM S.A.F.E. MEMBERS • Sean Groves • Alex Henriquez • Shannon Lahr • Aaron Lyons • Anders Fornberg Lahr,Fornberg,Groves,Henriquez,Lyons

  2. Overview of Presentation • Purpose • Objectives • Description • System Approach • Considerations • Risks • Contingency Plans • Tasks • Division of Labor • Project Schedule • Extended Functionality • Cost Estimate for S.A.F.E. Lahr,Fornberg,Groves,Henriquez,Lyons

  3. Purpose: S.A.F.E. (Systems for a Accident Free Enviroment) Last year, there were 6.3 million car accidents, many of which were easily preventable. The purpose of our project is to develop a prototype system that will minimize these accidents and could eventually be expanded for commercial applications. Lahr,Fornberg,Groves,Henriquez,Lyons

  4. Description • Modified RC car that can sense an accident threat and take corrective action • Detects and Prevents multiple accidents • Head on Collisions • Merging into blind spots • Backing into Stationary Objects Lahr,Fornberg,Groves,Henriquez,Lyons

  5. Objectives • Develop 4 Sensor Unit Array • Sense Objects from Multiple Directions • Detect Relative Speeds of Approaching Objects • Develop Multi-Severity Level Avoidance System • Gives Audio and Visual Warning to User when Object is Determined a Threat • Overrides Manual Controls When Direct Avoidance Action is Needed Lahr,Fornberg,Groves,Henriquez,Lyons

  6. Baseline Functionality • Detects speed and distance from four directions • Provide audio and visual warning when accident threat is detected • Override control from user to prevent accidents Lahr,Fornberg,Groves,Henriquez,Lyons

  7. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  8. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  9. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  10. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  11. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  12. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  13. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  14. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  15. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  16. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  17. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  18. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  19. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  20. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  21. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  22. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  23. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  24. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  25. Head on Collisions System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  26. Merging Accident System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  27. Merging Accident System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  28. Merging Accident System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  29. Merging Accident System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  30. Merging Accident System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  31. Merging Accident System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  32. Merging Accident System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  33. Merging Accident System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  34. Merging Accident System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  35. Merging Accident System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  36. Merging Accident System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  37. Merging Accident System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  38. Merging Accident System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  39. Merging Accident System Status Lahr,Fornberg,Groves,Henriquez,Lyons

  40. System Overview Lahr,Fornberg,Groves,Henriquez,Lyons

  41. Sensors • Low Power for Extended Battery Life • Determines Data based on a position vector • Ultrasonic Sensor Package • Compared to Sonar and IR Lahr,Fornberg,Groves,Henriquez,Lyons

  42. Control Core • Processes Data from the Sensors • Polls Until Event Detected • Outputs Audible Warning • Blocks Transmitter Instructions to the Motor Control • Outputs Corrective Movement Data Lahr,Fornberg,Groves,Henriquez,Lyons

  43. Core Continued Lahr,Fornberg,Groves,Henriquez,Lyons

  44. System Continued Lahr,Fornberg,Groves,Henriquez,Lyons

  45. Motor Control • Interprets Signal between the Receiver and the Core through a Mux • Servo Motors used for Movement Control • Pulse Width Modulated Electronic Speed Control Lahr,Fornberg,Groves,Henriquez,Lyons

  46. Car Assembly • Mounting for Control Board • Structural Modifications to Ensure System Integrity Lahr,Fornberg,Groves,Henriquez,Lyons

  47. Software Design • Use a free-ware C compiler Lahr,Fornberg,Groves,Henriquez,Lyons

  48. Initial Power Requirements • All Power Supplies Regulated • 5V for Microcontroller • 3.3V for FPGA and other board components • 7.2V Battery for RC Car Lahr,Fornberg,Groves,Henriquez,Lyons

  49. Considerations • RC Car Complexity • Damage to RC Car • Damage to our Main Board • Crashing during testing • Stability of our Mounted Board • Hard to detect objects • Table’s leg • Sensor array field using 4 ultrasonic sensors • Receiver may not output 50 Hz PWM signal for motor control Lahr,Fornberg,Groves,Henriquez,Lyons

  50. Risks • RC Car Modification: • Unexpected Complexities • Steering Control • Motor Control • Speed Modification • Damage to our mounted board during final testing. • Schedule uncertainty do to unforeseen complications during RC car modification. • Verilog learning curve Lahr,Fornberg,Groves,Henriquez,Lyons

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