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25 Feb 2017
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THEMA: Lane by lane

Lane by lane 5 Tage 7 Stunden her #13522

  • bonethugs
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Hello

I think I don't understand what exactly does the odometry.

It's possible to have lane by lane navigation without odometry?

I've 2 motors without it and would like to have that functionality.

Thanks

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Lane by lane 4 Tage 21 Stunden her #13523

  • nero76
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Hello,

Actually, for just the lane-by-lane mowing this could theoretically work without odometry although the lanes would probably not match perfectly side-by-side - as you can see in the picture, the 'a little bit forward' into the next lane would be not always the same length, and so it might be possible that the lanes don't overlap etc.

However, another important feature is localization and mapping: after perimeter installation, the mower has to create the map by driving on the perimeter. The map will be only precise if we know the distance the mower drives, so we need odometry. Odometry will be used later for localization too. When the mower drives on the perimeter, it can localize itself on the perimeter just by the help of the map.

Lane-by-lane mowing:


Localization on perimeter (and within perimeter - not shown here):


Regards,
Alexander
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Folgende Benutzer bedankten sich: elektronikjogi, Alex76

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PCB1.3 - die Plug&Play Robotik-Plattform für Deinen Rasenroboter mit passender Open Source Software

Lane by lane 4 Tage 19 Stunden her #13525

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Hello

It's possible to add odometry to motors that not have that functionality?

Thanks

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Lane by lane 4 Tage 17 Stunden her #13526

  • Alex76
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Yes, you can use IR-Led and a Wheel witch break the light. Or you use magnet and reed-switch.. But both systems can have problems.. I use IR-Led.. Every wheel count exactly.. But i got still Errors from Ordometrie.. I don't know.. He drive only 5 Meter and stopp with ordo- error..

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Lane by lane 4 Tage 17 Stunden her #13527

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HI Alexander,
I tried to use lane by lane - Mode without ordometrie.. but my robot stops or run over Perimeter-lane against next tree..He don't react to any signals.. Any idea ?

Thanks
Alex

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