This web page will be used to communicate with teams participating in the IFEC 2019 competition. Please submit all questions using the “Ask a Question” link in the menu bar. We will respond to questions within 48hrs and the response will be posted on this page for all teams to view.
Final Competition Documents
- Final Competition Agenda
Agenda for the final competition in Madison, WI USA
- Final Competition Evaluation Criteria
Document describes how points will be scored at the Final Competition.
- Updated Final Test Procedure, 28th July 2019
This document outlines the test procedure for the final competition.
Rules and Technical References
- Battery specifications
This document provides the specs for one of the 12V batteries used in the battery pack. Four such batteries are connected in series to make the battery pack. Please use this specifications sheet accordingly.
- Battery test results from small signal impedance at various state of charge levels
This document provides the small signal impedance frequency response measurement results from one of the 12V batteries used in the battery pack at different state of charge levels. Four such batteries are connected in series to make the battery pack. Please use these test results accordingly.
- Reference design resource from a commercial provider
This file documents a sample design of a motor drive for an application similar to the IFEC competition for teams to use as a resource. Competition administrators do not in anyway endorse this design, but this is merely provided as a reference.
- Technical Reference – July 17th
Minor changes were made to the rules (technical reference guide) for clarification and validation testing. Includes update to LED indicator.
Travel Reimbursement Documents
Question Responses
Link to video from Finals and other news links
Please find the following links to video presentations of IFEC 2019 events here and here. Some more news items here and here.
August 24, 2019Racing Towards the Future: Madison Hosts International Future Energy Challenge
The thrill of victory. The agony of defeat. Sunny Wisconsin morning air charged with the spirit of international competition. Electrically charged, that is. On July 31, 2019, the University of Wisconsin-Madison College of Engineering hosted students from around the world for the 2019 International Future Energy Challenge.
August 24, 2019Media competitions announced
We are announcing two new media prizes as a follow-up to the just concluded IFEC 2019 event. Teams and individuals are encouraged to submit their photographs from the competition to the upload website: Photogr.19lwziztn90gh1hs@u.box.com Entries …
August 2, 2019Final awards summary
Final awards of the IFEC 2019 are as follows: Grand Prize: H-Bridges, University of Belgrade, Serbia Performance award: NoRocketScience, Stuttgart, Germany Innovation award: National Ilan University, Taiwan Ingenuity award: Utah State University, USA Finalists awards: …
August 2, 2019Race order and final day procedures
Hi all, We will gather at 9:00 a.m., Wednesday, 31st July 2019 for the final race event of IFEC 2019. The racing order will be reverse rank order as of end of today. It would …
July 30, 2019Final Competition Scoreboard
https://docs.google.com/spreadsheets/d/1heE1HNLHU_eB8zFDjyE1h5zwqNtDEmKlO2cWo64VpJI/edit?usp=sharing
July 29, 2019Updated test procedures with schematic diagrams, 28th July 2019
This file has updated test procedures along with schematic diagrams. 2019 July 28, IFEC 2019 E-Bike Test Procedure
July 28, 2019When are we supposed to send Specification sheet and where?
Please send a pdf file of the Specifications Sheet of your team’s design entry to the following e-mail address as an attachment. Please use a naming convention: Teamname.pdf for the file. The deadline for submission is …
July 27, 2019Schedule details
This file has information about location, schedule, and other details: IFEC19 Schedule details
July 26, 2019E-Stop differences in specification. Can please describe the mechanism very detailed. Because we found differences in the technical references.
In the technical reference 0V are requeired to disbale the drive and 5V to enable. Will these signals be externally provided or do we have to create a constant 5V during the disbled mode. This …
July 26, 2019Final Competition Agenda
Please find the final competition agenda here: IFEC19 Final Competition Agenda
July 26, 2019Dynamometer test schematic diagram
Please find a copy of the wiring connections for the test schematic here for the dynamometer testing. Your EQUIPMENT UNDER TEST needs to have FOUR connection cables — one three phase connector to the motor …
July 25, 2019Since there are two penalty free attempts for the field test, will you consider the better time or the second attempt?
We would expect to use the best of the two attempts. The panel of judges be meeting on site and finalizing some of these fine details. They will be announced and clarified before the field-test.
July 24, 2019As a reminder: You intended to provide a letter to avoid possible difficulties when entering the USA with the test hardware. We are concerned that there may be problems with our luggage.
WE WILL ARRIVE BY PLANE AND WORRY ABOUT GETTING DIFFICULTIES TO TAKE THE INVERTER PROTOTYPE INTO THE PLANE. COULD YOU MAYBE UPLOAD A LETTER THAT CLARIFIES THIS? We have not had this as an issue …
July 24, 2019Are riders going to have some time to try riding your bike before the field test?
Good idea. We will try to arrange for something like that, using the commercial hardware.
July 24, 2019Efficiency map
at TECHNICAL REFERENCE and PRELIMINARY TEST PROCEDURE(Updated 17 July 2019) ,their efficiency map has different condition which one is correct? The preliminary test procedure is a work-in progress document as we set-up the automated and …
July 23, 2019Over-speed Fault Handling
Is the converter operation supposed to shut down the converter if over-speed is reached? I am asking because of the free acceleration test, “d. Free Acceleration This test will be evaluated pass/fail. Must complete accel …
July 23, 2019I am a judge of the IFEC. Should I book my own hotel?
Please make your own reservations, and we will arrange for reimbursement after the event.
July 23, 2019Meters per lap
We found the parking lot in Madison on google maps, and it seems there is about 220m per lap. The Techincal Reference says 400m per lap. Which information is correct? Is the total race length …
July 23, 2019Disabled State
Is it required to provide a 5V output during “Disabled State” (Battery Current <1mA) ? No. 5V is used to power the Hall sensors routed through the connectors. As long as you have an internally …
July 23, 2019- More News