mUI V2 for Nokia N900 (0.9.0 2015-08-17)

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designer2k2
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Re: mUI V2 for Nokia N900 (0.2.3 2013-09-26 with GPS support

Post by designer2k2 » Fri 27. Sep 2013, 06:00

100hz is impressive 8-)

to compute engine power/torque you could already use the speed input (when there is no tire slip), as "delta(speed/time)" should be identical to the acceleration reading (hopefully)

G reading is interesting on the 1/4mile, you can clearly see how long shifting is realy interrupting the acceleration, so the true shift-time can be calculated.
(and with the g/rpm/throttle/boost/clutch/speed a real analysis of the shift timing can be done :magic:
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Re: mUI V2 for Nokia N900 (0.2.3 2013-09-26 with GPS support

Post by bofh » Fri 27. Sep 2013, 20:36

does it make sense to store the acceleration data at higher frequency ?

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Re: mUI V2 for Nokia N900 (0.2.3 2013-09-26 with GPS support

Post by designer2k2 » Sat 28. Sep 2013, 19:11

Not realy. But if you read it at 100hz you could smooth it a little (moving average of last maybe 10) to get a more stable result

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Re: mUI V2 for Nokia N900 (0.2.3 2013-09-26 with GPS support

Post by bofh » Sat 28. Sep 2013, 23:21

gps data example:

Code: Select all

#md timestamp   gps time        gps coordinate  gps speed       gps directon    GPSHorizontalAccuracy   GPSVerticalAccuracy
316488  Fr. Sep 27 18:33:39 2013        49° 12' 6.6" N, 7° 1' 21.9" E, 192.5m   62.928  132.95  142.18  181 
https://maps.google.com/maps?q=49%C2%B0 ... 2&t=h&z=18

gps speed 62,9
md speed 64 km/h

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