Math help

chumpy36
Posts: 36
Joined: Sun Dec 11, 2005 2:26 am

Math help

Postby chumpy36 » Wed Mar 29, 2006 3:37 pm

alright, thanks to help I found here, I've got a new variable that is percentage of TPS. 0 to 100 percent.

I now want a measurement of percentage of Wide open throttle.

Basicaly the percentage amount of time I am at 100% of TPS variable mentioned above.

Can someone help me out?

thanks much

Jason

DaveTurner
Posts: 34
Joined: Sun Nov 20, 2005 6:21 am

Postby DaveTurner » Wed Mar 29, 2006 7:44 pm

Create a new math function using the formula IF(TPS>95,1,0). This will be zero if TPS is below 95% and 1 otherwise (You may want to play with that threshold value depending on your system - wide open throttle isn't always 100% on TPS). Now plot a bar chart of that new math channel with two bins. This will give you a direct % readout.

chumpy36
Posts: 36
Joined: Sun Dec 11, 2005 2:26 am

Postby chumpy36 » Wed Mar 29, 2006 9:06 pm

Dave,

Thanks. I do have that equation setup. I smoothed out the TPS a bit and it only fluctuates from 99.5 or so to 100. So I set the limit at 99. It seems to work pretty well.

I use a marker based measurement set up as the average of that user variable. That should give me percentage of wide open throttle per lap yes?

I'm not following you on the bar chart. Could you explain that a little bit? I'm charting ignorant.

Thanks for the help

Jason


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