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Published byGeorge Woods Modified over 9 years ago
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Team Leader John Sedig Communications / Documentation Kevin Nennig Webmaster / Software Design Matt Graves Hardware / Electrical Design Josh Mandich Software Design Alex Wesenberg Team Advisor Arun Somani
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o Many bicyclists are injured due to car related accidents on the road each year. o If a bicyclist could be warned of rear approaching vehicles, this could greatly reduce number of bicyclist involved in accidents. o Primary Goal - To design and develop a low cost vehicle alert accessory for cyclists
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o The device must communicate via the ANT+ protocol to an Edge 500 Garmin head unit o The device should run for a minimum of 180 hours/charge o must be able to detect cars going from speeds 10mph-70mph o must detect vehicles in the range 1m-100m behind the rear of the bicycle
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o The device should be easy to mount under the bicycle seat, easy to connect to the head unit, and easy to maintain o The device will reduce accidents for both cyclists and vehicles by promoting awareness of road conditions to the cyclist o The update of vehicle detection data to the head unit will be dealt with in real-time, with a deadline based on vehicle and bicycle speed
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o Mirror o Basic solution for viewing cars behind bicycle o Not aerodynamic o Requires user to orient correctly o Cerevellum Digital Bike Camera o Rear-facing digital video camera o Does not detect vehicles, only displays them o Allows user to record what is behind them o Useful for determining faults of vehicle accidents
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o Unsuitable detection hardware o Unsuitable detection accuracy o Loss of Team Member
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Item Notes Cost Garmin Edge 500 unit x2 Provided by Garmin ANT+ Development KitProvided by Garmin Battery System (batteries, voltage regulator) Unknown as of 12/2 Single board computerBeagleboard Provided by Garmin (Retail: $149) Digital Image Sensor 5M MT9P031 Camera board No lens $80 Lens$40
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Edge 500 Head Unit ANT+ Tranceiver Beagleboard -XM H1214FICS Lens 5M MT9P031 Camera Board Lithium Ion Battery
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o Hough Line Detection o Principle Component Analysis
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Averaged Image =
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o Video Capture o Algorithms o ANT+ Transmit Video Capture
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o Video Capture o Algorithms o ANT+ Transmit
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o Video Capture o Algorithms o ANT+ Transmit ANT+ Transmit
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o Small-Scale Testing o Overall System Testing o Field Testing o Acceptance Testing
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o Select primary sensor o Communicate via ANT+ to Head-Unit o Project Plan & Design Document o Initial data gathering and field testing o Line Detection and PCA initial algorithms
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o Feb 1 st : ANT+ to connect with Garmin head-unit via Beagleboard o Feb 1 st : Image capturing on Beagleboard o Feb 14 th : regulator schematic and layout complete o March 1 st : Enclosure for the components o March 10th: working prototype on the back of a bike
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