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prj
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« Reply #15 on: April 25, 2013, 07:27:45 AM »
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Except that KFMIOP doesn't have that strong of an influence on spec load, unless mifa is greater than mimax. Which would trigger torque intervention from mifa != misol anyway. I don't see how torque intervention would be triggered if mifa is greater than mimax. It can be greater than mimax all it wants to, nothing will happen, req. torque will just be limited to mimax. |
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phila_dot
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« Reply #16 on: April 25, 2013, 08:00:14 AM »
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I don't see how torque intervention would be triggered if mifa is greater than mimax.
It can be greater than mimax all it wants to, nothing will happen, req. torque will just be limited to mimax.
If mifa != misol then B_zwnget is set (%MDKOG) |
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prj
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« Reply #17 on: April 25, 2013, 08:56:51 AM »
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If mifa != misol then B_zwnget is set (%MDKOG)
Actually I remember from logs, that mifa_w gets limited as well if KFMIOP axis ends too soon. And if I look at MDFAW it becomes clear why. Meaning mifa_w can not exceed mimax regardless, so this situation is not going to happen. |
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phila_dot
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« Reply #18 on: April 25, 2013, 10:42:57 AM »
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Actually I remember from logs, that mifa_w gets limited as well if KFMIOP axis ends too soon.
And if I look at MDFAW it becomes clear why.
Meaning mifa_w can not exceed mimax regardless, so this situation is not going to happen.
Sorry, I got that mixed up, mifa != misol happens if mifa > miszul. I was thinking B_mdein from mifa > mimax causing misolv > mifab. Edit: I will have to check some logs I have where I was playing with KFMIOP to trigger torque intervention where I had mifa > mimax |
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« Last Edit: April 25, 2013, 10:50:34 AM by phila_dot »
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ddillenger
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« Reply #19 on: April 25, 2013, 10:49:05 AM »
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DD if you rescale the axis, then you have to fix the tables, KFMDS included.
I'd do it just to be thorough, but why has noone reported issues with this? Obviously Nye has rescaled the iop/zwop axis without doing KFMDS. |
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nyet
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« Reply #20 on: April 25, 2013, 10:50:56 AM »
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Obviously Nye has rescaled the iop/zwop axis without doing KFMDS.
LOL. That means nothing  |
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phila_dot
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« Reply #21 on: April 25, 2013, 10:57:13 AM »
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I'd do it just to be thorough, but why has noone reported issues with this? Obviously Nye has rescaled the iop/zwop axis without doing KFMDS.
It is used to offset for torque loss all over the place. Just because there are no reported problems doesn't mean it shouldn't be corrected IMO. |
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ddillenger
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« Reply #22 on: April 25, 2013, 11:17:16 AM »
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LOL. That means nothing lol I wasn't saying it must be right because you were doing it, but rather that you're thorough (anal?) enough to have sought a solution had you noticed negative effects. Ergo, the effects were negligible. |
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
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nyet
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« Reply #23 on: April 25, 2013, 11:30:18 AM »
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Just because there are no reported problems doesn't mean it shouldn't be corrected IMO.
Agreed 100% But for the sake of completeness, can you guess where we MIGHT see the problem? |
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vagenwerk
Full Member
Karma: +2/-0
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« Reply #24 on: April 25, 2013, 11:34:57 AM »
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KFMDS probably influence Nm torque calculation at 120 block , if we increase iop and irl we get decresed values of NM in 120block what else idk - Maybe prj could tell more about kfmds
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phila_dot
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« Reply #25 on: April 25, 2013, 11:38:25 AM »
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Off the top of my head...
Idle speed control, ASR/MSR, goes out over CAN (ABS, TCU?), torque refinement
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phila_dot
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« Reply #26 on: April 25, 2013, 11:39:31 AM »
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KFMDS probably influence Nm torque calculation at 120 block , if we increase iop and irl we get decresed values of NM in 120block what else idk - Maybe prj could tell more about kfmds
Block 120 is for tester only, but both miist and mdverl go out on CANBUS |
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nyet
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« Reply #27 on: April 25, 2013, 11:45:31 AM »
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Idle speed control, ASR/MSR, goes out over CAN (ABS, TCU?), torque refinement
Idle speed control - shouldn't be an issue, since we're talking about changing the last few load cells. ASR/MSR - generally have it turned off. My car runs like crap with ESP on (and I haven't put any effort into fixing that). Perhaps this would be a good start? ABS - heh. not on the brakes at those load levels  TCU - could definitely be an issue with TIP trannies? torque refinement - again, talking about load levels you really only reach at WOT.. |
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ddillenger
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« Reply #28 on: April 25, 2013, 11:53:43 AM »
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Yeah, I don't have ESP, or a TIP.
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
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phila_dot
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« Reply #29 on: April 25, 2013, 11:56:31 AM »
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Is it just me, or does it only take 5 minutes?
I would fix it.
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