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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Wheels & Tires Forum [GEN 1]
GPS error due to 37" tires?
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<blockquote data-quote="BramageDained" data-source="post: 687280" data-attributes="member: 7471"><p>Without knowing the system, it is entirely possible the system compares the two results between wheel rotations(and input from accelerometers/steering input the truck has) and GPS signal to determine distance as a failover should the system drop the fix from the satellites or something. If the two are always different, maybe it gets confused and picks inertial system over gps location.</p><p></p><p>It's kind of far fetched, but, possible. I've worked on equipment that used GPS and a form of an inertail system for position. When both systems were functional, but, one only had a moderate error(not enough for that system to be ignored) the system sometimes got confused.</p><p></p><p>Their logic is possible, but, without knowing how the Nav system actually works in our truck it's just a guess based on something that I saw happen in the past.</p></blockquote><p></p>
[QUOTE="BramageDained, post: 687280, member: 7471"] Without knowing the system, it is entirely possible the system compares the two results between wheel rotations(and input from accelerometers/steering input the truck has) and GPS signal to determine distance as a failover should the system drop the fix from the satellites or something. If the two are always different, maybe it gets confused and picks inertial system over gps location. It's kind of far fetched, but, possible. I've worked on equipment that used GPS and a form of an inertail system for position. When both systems were functional, but, one only had a moderate error(not enough for that system to be ignored) the system sometimes got confused. Their logic is possible, but, without knowing how the Nav system actually works in our truck it's just a guess based on something that I saw happen in the past. [/QUOTE]
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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Wheels & Tires Forum [GEN 1]
GPS error due to 37" tires?
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