1 / 26

Basic Utility Vehicle (BUV)

ME 462 Capstone Design Presentation Department of Mechanical Engineering, IUPUI December 14, 2005 Presented by: Tom Peters Kris Miller David Langenderfer. Basic Utility Vehicle (BUV). Design Introduction. Design a 3 wheeled vehicle made from a small truck rear end and frame.

eyad
Download Presentation

Basic Utility Vehicle (BUV)

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. ME 462 Capstone Design Presentation Department of Mechanical Engineering, IUPUI December 14, 2005 Presented by: Tom Peters Kris Miller David Langenderfer Basic Utility Vehicle (BUV)

  2. Design Introduction • Design a 3 wheeled vehicle made from a small truck rear end and frame. • Design a rear ambulance unit to be attached to the chassis. • Used in 3rd world countries and can be manufactured one per day. • Main focus is cost with emphasis on the drive train, ease of assembly, durability, and serviceability.

  3. Customers • Impoverished people of developing countries. • EMT personnel

  4. Customer Requirements • Cost • $1350 for pre-welded kit • Does not include assembly, freight, and duties. • $300 Ambulance cost

  5. Customer Requirements • Transmission • Forward & Reverse • Top speed <20 mph on grass • Payload • 1200 lbs including driver • Steering System • Turn Diameter <20 ft • + 50° from centerline

  6. Customer Requirements • Seating • Driver seat on centerline • If passenger seat is included it must be on centerline. • Power-plant • 8.5-10 HP internal combustion engine • Throttle mounted on steering mechanism • Brake System • Foot activated truck brakes • Parking brake • Independent left and right

  7. Customer Requirements • Chassis • Small truck frame • Ground clearance >10.5 inches except at differential • Skid plates • <11 ft or <12 ft if using motorcycle seating arrangement

  8. Customer Requirements • Suspension • Front & Rear • Front has a min. of 3 inches of travel • Rear uses truck suspension • Auxiliary Systems • V-Belt Power Take Off (PTO) • V-Belt Driven Water-pump

  9. Customer Requirements • Electrical System • 12 V DC • Safety Equipment • Standard safety equipment • Example: roll protection, horn, lights, seat belts, etc… • Size • Minimize crate size for front end • Assembly Time • < 6 man hours to assemble front kit and assemble to rear unit. Does not include cargo bed.

  10. Customer Requirements • Ambulance • Passenger Capacity • 3 recumbent patients or 2 patients and 1 attendant • Equipment • IV hooks, stretchers, attendant seat, bench/storage, sun & rain protection, lights, work table, shelf, back-gate and fender • Storage • Cold storage, plastic bin storage, in-floor storage, outside storage, fuel and water storage. • Electrical System • 12V DC • Miscellaneous • Impermeable Surfaces resistant to environment • 2 sq ft Clean surface area • Size 6x4 ft • Weight <160 lbs

  11. Project Boundaries & Objectives • Boundaries • Cost • Size • Performance/durability • Objective • Low cost transportation / ambulance

  12. Design Design Specification Development Weighting of Customer Requirements Engineering Requirements Engineering targets

  13. Competitive Benchmarks • Fall 2003 IUPUI BUV • John Deere Gator

  14. John Deere Gator • Better • Sales • Stopping Ability • Same • Top speed, horse power, parking brake • Worse • Cost • Payload • Ground clearance • No ambulance capability • No PTO or water-pump

  15. Fall 2003 IUPUI BUV • Better • Stopping Ability • Cost • Overall weight • Center of gravity • Same • Top speed, horse power, parking brake, turning radius • Worse • Payload • Ground clearance • No ambulance capability • No PTO or water-pump • Various optional equipment

  16. Functional Decomposition

  17. Concept 1

  18. Concept 2

  19. Concept 3

  20. Failure Modes

  21. Critical Parameters • Steering Angle • Suspension Travel • Weight Capacity • Clearance

  22. Concept Evaluation • Absolute Comparison • Go/No go • All a go • Relative Comparison • Decision Matrix

  23. Decision Matrix

  24. Conclusion • Concept 3 • Best Overall Concept • Durable • Low Cost • Easy to Manufacture • Reasonable in Size

  25. Project Plan

  26. Schedule • Task 1: Generate Engineering Specifications (9/1 – 9/9) • Task 2: Design concepts of vehicle components (9/9 – 9/23) • Task 3: Concept Evaluation(9/23 – 9/30) • Task 4: Proposal Due Date (10/1 – 10/10) • Task 5: Solid Model of Prototype based on best concept (10/10 – 11/10) • Task 6: Evaluate prototype and shake down the prototype (11/10 – 11/25) • Task 7: Complete final report, presentation and poster (11/25- 12/7) • Task 8: Present the final design (12/12)

More Related