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Farm Machinery
Precision Farming & GPS
Fendt VarioGuide implement problem.
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<blockquote data-quote="Northern farmer" data-source="post: 7471419" data-attributes="member: 4568"><p>An interesting issue. I've never seen this but then again, I run a very old SW on the tractor. Would expect bugs being fixed with new SW but these days it seems you get more new bugs than old ones get fixed.</p><p></p><p>Have you looked at the heading display? I guess you could create an AB-line at an arbitrary angle and then check if the gyro shows exactly the same heading. Also the steering angle calibration error could do something like this. Due to PID control, the integral part, the tractor may accurately follow the AB line but still feel the steering pointing to the right. In this case the trailed implement would be leaning to the right.</p><p></p><p>I can't even remember if VarioGuide gyros need any calibration. Usually the gyro heading would be fused with the GNSS heading. The steering angle sensor certainly needs calibration. Some farmers claim the sensor attachment wearing and introducing play at very high operating hours. Does not sound like wear and play here if the implement always leans to the same direction.</p></blockquote><p></p>
[QUOTE="Northern farmer, post: 7471419, member: 4568"] An interesting issue. I've never seen this but then again, I run a very old SW on the tractor. Would expect bugs being fixed with new SW but these days it seems you get more new bugs than old ones get fixed. Have you looked at the heading display? I guess you could create an AB-line at an arbitrary angle and then check if the gyro shows exactly the same heading. Also the steering angle calibration error could do something like this. Due to PID control, the integral part, the tractor may accurately follow the AB line but still feel the steering pointing to the right. In this case the trailed implement would be leaning to the right. I can't even remember if VarioGuide gyros need any calibration. Usually the gyro heading would be fused with the GNSS heading. The steering angle sensor certainly needs calibration. Some farmers claim the sensor attachment wearing and introducing play at very high operating hours. Does not sound like wear and play here if the implement always leans to the same direction. [/QUOTE]
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Fendt VarioGuide implement problem.
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