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IEEE IFEC 2019 Workshop on APEC: High-Efficiency Electric Bicycle Drive Challenge

Join us at the IEEE IFEC workshop to witness teams from around the world competing in the APEC High-Efficiency Electric Bicycle Drive Challenge. Discover innovative eBike technologies and cheer for the top 5 teams in the final relay race.

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IEEE IFEC 2019 Workshop on APEC: High-Efficiency Electric Bicycle Drive Challenge

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  1. IEEE IFEC 2019 Workshop on APEC 2019 March 17, 2019 Anaheim, CA

  2. Agenda

  3. Welcome speech FredeBlaabjerg IEEE PELS President

  4. Welcome speech Georges Zissis IEEE IAS President

  5. Welcome speech Jason Lai IFEC Past Chair

  6. Welcome speech Michael Hayes PSMA President

  7. IEEE IFEC 2019 Workshop on APEC 2019 General Chair GiriVenkataramanan, UW - Madison Technical Chair Kyle Hanson, UW – Madison Steering Committee Chair/Treasurer Qiang Li, Virginia Tech Ching-Jan Chen, National Taiwan University Bulent Sarlioglu, UW-Madison

  8. First Round Results Teams accepted to participate APEC Workshop • Beijing Institute of Technology - BIT • Chonbuk National University - Zero Calorie • Delhi Technological University - Abhyudaya • DHBW-Stuttgart - NoRocketScience • Drexel University - Drexel University Power Team • Federal University of Campina Grande - Cariri Indians • Gottfried Wilhelm Leibniz Universität Hannover - Leibniz University Hannover IEEE IFEC Team • Khalifa University of Science and Technology - K-Bike • Kunming University of Science and Technology - KMUST • National Ilan University - ECIE • Tsinghua University - Thuedrive • University of Belgrade - H-Bridges • University of Michigan-Dearborn - UM-Dearborn • Utah State University - Aggi-E-Bike • Virginia Tech - Challenger • Zhejiang University - Chariots Of Fire Our warm appreciation to the 10 Judges for their hard work!

  9. Team Breakdown

  10. Background Hub Motor Mid Drive • Easier to retrofit a non-ebike • Not-ideal wheel weight distribution • Direct drive • Less chair wear • More torque • Better weight distribution • Can take advantage of the gear train • More easily integrated with pedal force feedback

  11. Background World wide e-bike demand is increasing eBikes are a clean and efficient alternative mode of transportation.

  12. UW - Madison • Trek • Pacific Cycles • Saris • Planet Bike

  13. IFEC 2019 Challenge High Efficiency and Power Dense Bicycle Electric Drive Specifications: • Input:48VDC nominal 9Ah Lead Acid Battery Pack, 20A fuse • Output Load: 3-phase 8-pole BLDC Motor, 69 rpm/Vll,rms, 0 to 300Hz, 20A fuse

  14. Test Configuration Arbitrary Waveform Generator Throttle Input Battery Simulator E-Bike Inverter E-Bike Motor Position Feedback Mechanical Power M E-Bike Motor CC load Rectifier

  15. IFEC 2019 Requirements • Cable and connector integrity: 10N pull test • Insulation Resistance: >500kΩ @ 250VDC • Power Up & E-Stop: 1) <1mA when E-Stop pressed 2) <50mA in quiescent state • Free Acceleration: Time to reach 2500 rpm (overspeed fault trip expected) • Full Load Test: Maintain highest possible speed for 2 min • Drive Cycle Performance Test: Cycle through 25 operating points in 10min. Performance evaluated based energy consumed per distance traveled.

  16. Drive Cycle Test Detail

  17. Field Test Final Competition Event • Field Test Race with actual eBike hardware • Top 5 teams will be invited to complete • 4 Person relay race • 400m per lap • 1600m total race length

  18. Schedule 2018.11.16 Proposal Deadline 2019.1.31 Notification of Acceptance 2019.3.17 Workshop at APEC2019 2019.4.15 Notification of Finalist (≤ 10 teams) 2019.4.20 Announcement of Final Test Guidelines 2019.7.29-31 Final Competition at UW-Madison 2019.7.21 Future Power Electronics Workshop

  19. Thanks and Welcome

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