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Bad "Calibrated Reference Consumption" w/.Confidence 0% except for low speed


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My custom app is posting to the Telemetry API and while it is giving me correct trip history speeds, locations, SoC's and consumption values, the Calibrated Reference Consumption value is much too high, though the Confidence graph is showing 0% for Medium Speed and High Speed (45% so far for Low Speed). My speeds have been wide ranging, a good sampling between 0 and 80 mph (130 km/h)

It's not clear to me what might the problem could be for the Calibrated Reference Consumption, appreciate any advice.

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Activity Newest / Oldest

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This can be closed. I wasn't passing the power parameter, once I started doing that the other confidence intervals started working. The issue is I don't have access to a power number directly, but I was able to come up with a pack energy estimate based on high resolution SoC data from the car. Taking the derivative of the pack energy estimate gave me a power estimate. I made sure to only pass the power estimate to the ABRP API when SoC changed.

A nice enhancement to ABRP might be doing all of that calculation based on SoC updates when clients don't pass power.


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Attached screenshot of confidence screen