GPS “Odometer” Distance Measurements


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  1. #1
    Join Date
    Jul 2013
    Posts
    39

    Default GPS “Odometer” Distance Measurements

    Hello,

    I am interested in using a low cost GPS receiver for producing a TTL pulse for every meter of distance cd travelled. This as an alternative to hacking into the vehicles transmission or ABS “Speed” sensors.

    For Radio Range measurements, testing would be done in a straight line with a clear view of the sky. Velocity would be constant between (5-10) MPH.

    Absolute position is not important but a consistent incremental update is.

    If someone has a project containing the core code, I would be willing to pay for customization.

    Jay Zebryk

  2. #2
    Join Date
    May 2013
    Location
    australia
    Posts
    2,102

    Default Re: GPS “Odometer” Distance Measurements

    i would be quite interested in seeing your theory on how consistent incremental distance data
    at 1m resolution can be extracted from a low cost GPS receiver at any rate let alone 5 times a second
    Warning I'm not a teacher , prose like a gushing embroilment is not my style

  3. #3
    Join Date
    Nov 2003
    Location
    Greece
    Posts
    3,260

    Default Re: GPS “Odometer” Distance Measurements

    My phone usually gives about 10m error at least.

    Ioannis

  4. #4
    Join Date
    Jan 2014
    Posts
    84

    Default Re: GPS “Odometer” Distance Measurements

    I tested many cheap gps receivers and coordinates are oscilating alltime , so I obtained 1-14 m error ( sometime errors are more than 20m) . Its very interesting Ardupilot , APm and few RC Bait Boat Autopilot have a 1-2m error while using GPS M8N , M6N .
    Its used a average for coordinates or another algorithm like Gauss ?

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