Quote:
Originally Posted by dcb
I think something that is missing is distance tracking with a vehicle speed sensor. Yes a gps can approximate it, but that is a fair bit of change and isn't always the most reliable. There should really be some onboard sensor so you have accurate and reliable kwh/mile readings. Most vehicles already have a vss, and a fixed gear unit can interpret from rpm.
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This is a limitation of the controller at this point. There is no mechanism to get approximate speed out of the controller... and without creating our own hardware interface, no way to get that data into the software. Also, you have to keep in mind that the speedometer will only measure the speed the wheels are spinning at (assuming proper calibration) so it is not the most accurate way to find actual speed. In our testing we have found the GPS speed to be quite reliable and it also has the benefit of not needing to be re-calibrated, especially after changing components on the vehicle.
Thanks for the comment!
--Kyle
RTD Explorer Architect