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Autopilot nagging intervals

Discussion in 'Autonomous Vehicles' started by lunitiks, Aug 5, 2017.

  1. lunitiks

    lunitiks ˭ ˭ ʽʽʽʽʽʽʽʽʽ ʭ ʼʼʼʼʼʼʼʼʼ ˭ ˭

    Joined:
    Nov 19, 2016
    Messages:
    2,328
    Location:
    Prawn Island, VC
    I always thought that they were completely random, but today I found that they occur at exactly 800 metres (≈ 0.5 miles) when driving at 63 km/h (speed limit +3), under these conditions:
    • AP1 @ 2017.28 c528869
    • Country road
    • No lead car
    I logged 0,8 km no less than twelve (12) times in a row. I did it by resetting the trip meter every time the nagging occured.

    Unfortunately I didn't get a chance to log the intervals at other speeds...

    Please contribute to this thread with more data!

    BTW @verygreen have you by any chance seen any SW-code on this subject?

    IMG_9184.JPG
     
  2. malcolm

    malcolm Active Member

    Joined:
    Nov 12, 2006
    Messages:
    2,784
    Altogether now:

    "Country roads, take me home (*please place hands on the wheel*) to the place I belong.
    West Virginia, mountain mamma, take me home, (*please place hands on the wheel*) country roads."
     
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  3. Hotlobstah

    Hotlobstah Member

    Joined:
    Aug 30, 2016
    Messages:
    426
    Location:
    Cape Cod
    AP1 or AP2?

    I would never use AP on "country roads". Maybe AP is indicating you should simply take over.
     
  4. lunitiks

    lunitiks ˭ ˭ ʽʽʽʽʽʽʽʽʽ ʭ ʼʼʼʼʼʼʼʼʼ ˭ ˭

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    AP1. By "country road" I meant an undivided two-lane road (traffic in each line moving in opposite directions) in rural, open landscape. Good lane markings. Similar to what @DÆrik is driving from 0:45 in this vid:

     
  5. lunitiks

    lunitiks ˭ ˭ ʽʽʽʽʽʽʽʽʽ ʭ ʼʼʼʼʼʼʼʼʼ ˭ ˭

    Joined:
    Nov 19, 2016
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    Location:
    Prawn Island, VC
    I went for another drive, this time I clocked the nag intervals.

    47 seconds. Every time. No exception, even when going through different speed limits. I did drive above the speed limit shown in the IC all the time (+3 or +5 km/h).

    However: In a tunnel with SL 80 km/h, I tried to go 70 km/h (10 below), and the nagging stopped. No nags in like 2 minutes before I had to manuever a roundabout.

    Preliminary theory: Nag interval ≈ 47 seconds when driving above speed limit. Longer intervals when going below.
     
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