1. Optimization of a 1974 VW Electric Bug Group 16 Michael Boyle Michael LaBeach Andrew Magaletti Rabei Rabei

2. Customer Andrew Park Andrew Park Owner of the car Owner of the car Graduate Student at Florida State University Graduate Student at Florida State University Dr. Hollis Dr. Hollis

3. What is the Problem? Hills Hills Speed Speed Range Range Lights Lights Interior Interior

4. Scope and Customer Needs Increase Torque Increase Torque Increase Speed Increase Speed Increase Range Increase Range Distribute Weight Distribute Weight

5. QFD Chart

6. Concept 1 – Add 6 Batteries Components Needed: Components Needed: –6 12V Deep Cycle Batteries –24V Field Battery Pack Battery Configuration: Series/Parallel Battery Configuration: Series/Parallel Estimated Top Speed: 70mph Estimated Top Speed: 70mph Estimated Range: 55 miles Estimated Range: 55 miles Cost: $530 Cost: $530

7. Components Needed: Components Needed: –AC Motor –DC to AC inverter Battery Configuration: Series Battery Configuration: Series Estimated Top Speed: 50mph Estimated Top Speed: 50mph Estimated Range: 45 miles Estimated Range: 45 miles Cost: $4000 Cost: $4000 Concept 2 – New Motor

8. Concept 3 – New controller Components Needed: Components Needed: –Controller –10 Batteries Battery Configuration: Series/Parallel Battery Configuration: Series/Parallel Estimated Top Speed: 65 mph Estimated Top Speed: 65 mph Estimated Range: 70 miles Estimated Range: 70 miles Cost: $2200 Cost: $2200

9. Concept 4 – Lower Voltage Batteries Components Needed: Components Needed: –9 8V Deep Cycle Batteries –24V Field Battery Pack Battery Configuration: Series Battery Configuration: Series Estimated Top Speed: 70mph Estimated Top Speed: 70mph Estimated Range: 35 miles Estimated Range: 35 miles Cost: $840 Cost: $840

10. Concept 5 Components Needed: Components Needed: –Advanced DC L91-4003 Series Motor –Kelly Controls KDH09500A –(10) 12V Deep Cycle Batteries Battery Configuration: Series/Parallel Battery Configuration: Series/Parallel Estimated Top Speed: 80mph Estimated Top Speed: 80mph Estimated Range: 70 miles Estimated Range: 70 miles Hills? - Yes Hills? - Yes Cost: $2506.86 Cost: $2506.86

11. Decision Matrix Decision Matrix CostRangeSpeedSafetyTorqueComplexity Total Weight% % % % % % CONCEPT 1900.4800.2700.2600.05700.1700.05 79.5 CONCEPT 2300.4500.2600.2400.05900.1400.05 47 CONCEPT 3600.4900.2700.2500.05600.1600.05 67.5 CONCEPT 4800.4500.2800.2600.05700.1700.05 71.5 CONCEPT 5400.4900.2950.2300.05800.1300.05 64

12. Optimum Design Concept 1 Concept 1 Why? Why?

13. Conclusion Boundaries Overcome Boundaries Overcome –Battery connection –Pre-winding the magnetic field of the motor –Series vs. Shunt vs. AC

14. Future Plans Regenerative Braking Regenerative Braking LED Lights LED Lights Battery Cage Battery Cage Rob Matthies Rob Matthies Conversion Manual Conversion Manual

15. Questions?