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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Procede v5 update



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      01-28-2011, 10:04 PM   #67
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Quote:
Originally Posted by Alan l. View Post
Just curious....what data is actual and what is a "calculated" value in the procede datalogs?

Mother nature isn't cooperating with me. Been dying to try out these new maps but we just got another foot and a half of snow

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+1, I cant stand this cold weather and this snow....no traction.
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      01-28-2011, 10:27 PM   #68
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      01-28-2011, 11:08 PM   #69
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Quote:
Originally Posted by shiv@vishnu View Post
Desertdude-- lol, who are you (formerly)?
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      01-28-2011, 11:39 PM   #70
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Quote:
Originally Posted by DesertDude View Post
Been around for a while. Just don't post much. Can't seem to find my user account so I created a new one...

Just compare the logs that Shiv posted to logs from the released v5 and beta v5 firmware and maps. Notice that in the beta v5 maps, Shiv increased the granularity of the Procede's ignition correction values. This gave him the ability to make very fine adjustements to timing. But these logs have something a bit differerent from the beta logs. I noticed that the ignition correction was moving up and down in very fine adjustments. I also noticed that the resulting timing curve was butter smooth and no signs of knock activity. So based on the hints that Shiv has given before, I assumed he now can adjust timing independently from just using a standard PID with a global offset which is adjusted based on the aggression level. These logs seem to indicate that he has MUCH more granular control over timing and he can adjust the PID values on the fly throughout the entire RPM range. But it's just a guess.
Gotcha!
This explains why this graph has such a smooth curve compared to the others.

Will this translate to the Procede not having the user set a set point for the IGN Correction and letting the Procede set the desire points behind the scene(on the fly) and just having the user setup just Boost(psi)?
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      01-29-2011, 12:59 AM   #71
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Quote:
Originally Posted by shiv@vishnu View Post
Desertdude-- lol, who are you (formerly)?
Nobody of any consequence.

Am I getting warm?
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      01-29-2011, 01:00 AM   #72
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Originally Posted by DesertDude View Post
Nobody of any consequence.

Am I getting warm?
Let's just say that your toes would be toasty if you stood in one place for too long

Shiv
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      01-29-2011, 01:10 AM   #73
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Quote:
Originally Posted by AltecBX View Post
Will this translate to the Procede not having the user set a set point for the IGN Correction and letting the Procede set the desire points behind the scene(on the fly) and just having the user setup just Boost(psi)?
Remember, once he re-enables autotuning (or a new flavor of it), you won't even have to setup boost.
If I were to venture a guess, I'd say he would modify the algorythms for auto-tuning with this new ability by tuning boost to be based on efficiency of your current setup and then auto-tune timing to maximize output based on that amount of boost. That way as you add bolt-ons to your setup, the Procede would automatically adjust boost to a level that is most efficient for you and then maximize timing. (At least that is what I am hoping.)
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      01-29-2011, 01:14 AM   #74
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Quote:
Originally Posted by DesertDude View Post
Remember, once he re-enables autotuning (or a new flavor of it), you won't even have to setup boost.
If I were to venture a guess, I'd say he would modify the algorythms for auto-tuning with this new ability by tuning boost to be based on efficiency of your current setup and then auto-tune timing to maximize output based on that amount of boost. That way as you add bolt-ons to your setup, the Procede would automatically adjust boost to a level that is most efficient for you and then maximize timing. (At least that is what I am hoping.)
Your toes must be on fire now
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      01-29-2011, 01:48 AM   #75
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Shiv... you are my hero
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      01-29-2011, 01:53 AM   #76
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Ok...so when do we get this update?
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      01-29-2011, 01:58 AM   #77
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dynamic ignition correction is basically IC adjustments between revolutions? So if cylinder 1 is happy, then IC will decrease still using cps offset?? What if cylinder 1 is unhappy, won't there be an instant retard like in the past... unavoidable unless there's degrees of knock and v5 is reading the knock signal?? just thinking out loud

will IC increase mid pull... looks like it may very slightly in the logs
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      01-29-2011, 02:13 AM   #78
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Quote:
Originally Posted by Joshboody View Post
dynamic ignition correction is basically IC adjustments between revolutions? So if cylinder 1 is happy, then IC will decrease still using cps offset?? What if cylinder 1 is unhappy, won't there be an instant retard like in the past... unavoidable unless there's degrees of knock and v5 is reading the knock signal?? just thinking out loud

will IC increase mid pull... looks like it may very slightly in the logs
It really has nothing to do with ignition correction between engine revolutions. Nor does is it specific to one cylinder. But rather, it's design is to ensure that the Procede's ignition correction offsets works in complement with the DME's conditional short-term timing reduction schemes. Which means that you always get a more appropriate timing reduction under boost. Regardless of whether you jump on the throttle abruptly (sudden load change) or gradually squeeze the throttle (slow load change). It's a bit more multi-dimensional than just adding a fixed amount of retard at a certain load/rpm combo (a la piggyback) or editing the values in the base ignition advance table (a la reflash tune). And it shows on the road. I was actually really surprised that it worked as well as it did upon initial testing. Usually I expect new ideas like this to go through a long period of teething pains.

Shiv
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      01-29-2011, 02:20 AM   #79
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Just 1 question... N55?
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      01-29-2011, 02:22 AM   #80
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Just 1 question... N55?
Absolutely. But one engine at a time...
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      01-29-2011, 02:49 AM   #81
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Quote:
Originally Posted by shiv@vishnu View Post
It really has nothing to do with ignition correction between engine revolutions. Nor does is it specific to one cylinder. But rather, it's design is to ensure that the Procede's ignition correction offsets works in complement with the DME's conditional short-term timing reduction schemes. Which means that you always get a more appropriate timing reduction under boost. Regardless of whether you jump on the throttle abruptly (sudden load change) or gradually squeeze the throttle (slow load change). It's a bit more multi-dimensional than just adding a fixed amount of retard at a certain load/rpm combo (a la piggyback) or editing the values in the base ignition advance table (a la reflash tune). And it shows on the road. I was actually really surprised that it worked as well as it did upon initial testing. Usually I expect new ideas like this to go through a long period of teething pains.

Shiv
sounds like you are adding IC when the dme targets retard, but relaxing IC when the dme is adding timing. In the past i take it IC was based on rpm, throttle, etc... it's own IC map. But now IC is based on what the dme is targeting.
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      01-29-2011, 07:53 AM   #82
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Quote:
Originally Posted by shiv@vishnu View Post
Desertdude-- lol, who are you (formerly)?
Adrian's long lost brother?
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      01-29-2011, 12:45 PM   #83
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Adrian's long lost brother?
hah +1
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      01-29-2011, 01:30 PM   #84
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Quote:
Originally Posted by import36 View Post
Adrian's long lost brother?
007.
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      01-29-2011, 01:53 PM   #85
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Quote:
Originally Posted by Joshboody View Post
sounds like you are adding IC when the dme targets retard, but relaxing IC when the dme is adding timing. In the past i take it IC was based on rpm, throttle, etc... it's own IC map. But now IC is based on what the dme is targeting.
Good observations and you are partly correct. FWIW, the primary determinant of the ignition correction is sill a 3d map based upon rpm and engine load. But now that output value is nested in another map before the final output is calculated. I did testing on this particular 2007 6AT because, historically at least, it has proven to be unusually knock prone and had difficulty supporting 15psi on 91oct. It usually autotuned itself, despite having full mods, down to 13psi. So to see things look happy now while making a lot more power is satisfying.

This is one reason autotuning is off for the time being as I need to revise the logic a bit. In its current state, it will probably be too conservative.
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      01-29-2011, 02:41 PM   #86
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Hi guys, any news about command center by the steering wheel??
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      01-29-2011, 02:49 PM   #87
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Next time buy a car with the minimum optionals hahaha
:-)
Seriously as soon as the maps are done shiv will release the steering wheel center as well.
Its all about numbers.
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      01-29-2011, 03:02 PM   #88
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Quote:
Originally Posted by MuCcIo View Post
Hi guys, any news about command center by the steering wheel??
+100 happy to be v5 owner shiv is cool like always......coming coming my v5
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