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RPM Noise

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(@philstubbs)
Posts: 19
Member
Topic starter
 

My understanding of electronics is minimal, but I believe no matter what this RPM reading would have some jaggedness without filtering. Looking for an opinion on the RPM1 signal here to see if I need to figure out how to improve it. My only real other option would be tot mount the controller on the wall and not in a cabinet with the computer like I have it now.  Then the wire could be much shorter

 

I wonder here if the RPM signal is causing the brake to load more here or if the more load is causing the RPM  signal issue

 
Posted : 14/09/2024 7:11 pm
(@philstubbs)
Posts: 19
Member
Topic starter
 

not sure what I did wrong trying to load the file

 
Posted : 14/09/2024 7:12 pm
(@admin)
Posts: 1460
Member Admin
 

Hi,

I don't think there is noise on the RPM signal here, but to be sure, post the raw .log file. 

I see the brake settings needs adjusting though. It will probably behave better with a "Ramp up brake" setting that matches the power of the engine (try ramping up to 40-45% starting 1000 RPM under the start RPM) and more Kp and possibly more Ki. 

I can help you tune in the brake if you are stuck.

 
Posted : 16/09/2024 7:30 am
(@jackmod17)
Posts: 2
Member
 

what should the air gap be from the rpm sensor and the trigger wheel

 
Posted : 17/10/2024 9:51 pm
(@admin)
Posts: 1460
Member Admin
 

Posted by: @jackmod17

what should the air gap be from the rpm sensor and the trigger wheel

About 1mm or 40 thousands of an inch is suitable.

 

 
Posted : 18/10/2024 11:45 am
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