Wednesday, June 3, 2009

Outreach Demo Work

Shane and I worked on the electronics and wiring of the outreach demo. The demo is a tabletop demonstration of regenerative braking, using a DC motor and flywheel controlled by an accelerator pedal. First we used Shane's TI-based microcontroller board, but eventually switched to a PIC. We also took the ammeter and shunt from the original Porsche conversion kit (which we're not using) for visual feedback on the current flow. In the lefthand picture, you can see the Edgerton electronics lab set up while we were testing and troubleshooting it. On the right, you can see the (almost) completed electronics panel. At the same time, the Porsche UROP crew was building the enclosure for the flywheel and the main display console.

Here's a picture of something we found humorous in the original wiring of the demo. Can you tell what it is?

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