NOTORIOUS VR
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« on: November 12, 2010, 08:38:04 AM »
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I'm curious if anyone has looked into being able to map the TB to say a 1:1 mapping just like as if it were connected to a cable. By doing this I would also like to prevent the ECU to close the TB by disabling all of the safeguards that have to do with it.
I will need to do this for an upcoming future project. Is it possible? Will ME7 give you full control over the TB?
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Rick
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« Reply #1 on: November 12, 2010, 08:55:32 AM »
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The pedal is a requested torque input. As ME7 is constantly modelling the torque being output, it varies the throttle plate and ignition angle to maintain a desired torque. An example of this is at part throttle, as boost is coming in, the throttle will close to maintain the torque which was being requested/produced before the turbo spools - providing that the requested torque could be met without boost.
I guess you already knew that though, I'd start with making a 1:1 map of KFPED so taht 10% throttle = 10% req torque. You would then have to work on disabling each safety cut out which uses throttle to intervene by making the conditiosn that trigger it impossible to reach.
Rick
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NOTORIOUS VR
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« Reply #2 on: November 12, 2010, 09:22:51 AM »
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Yeah I knew that, but thanks... I guess I'll start with that.. I'll have to see exactly what influences the throttle plate.
Cheers!
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iznogoud
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« Reply #3 on: November 12, 2010, 12:59:32 PM »
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You do not want to take away the automatic adjustment of the throttle plate angle if you are in really cold weather. Here is the scenario: car with hardwired N75 duty at WOT (which some stage 3 cars are), cold IAT, dense air, injectors cannot keep up with oxidant delivered to the manifold = lean condition and no ability to enrich.
My 2 cents.
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Audi S4 B5 2000 6sp Cactus Green
Audi A4 B6 Avant 1.8T 2001.5 5sp Santorin Blue
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Rick
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« Reply #4 on: November 12, 2010, 01:35:26 PM »
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That is no different to how a car with traditional throttle would be mapped. You just need to ensure your IAT maps are correct.
Rick
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NOTORIOUS VR
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« Reply #5 on: November 12, 2010, 02:53:02 PM »
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^^^ correct. Also this is kind of a custom application I needing this for and I will need full control over the throttle as if it were in fact drive-by-cable so to speak.
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turboskipper
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« Reply #6 on: November 12, 2010, 04:35:19 PM »
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Are you going to be using ME7 for boost control or a separate boost controller? Seems it might be possible with a lot of hacking of the torque structure and relying a separate boost controller.
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NOTORIOUS VR
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« Reply #7 on: November 13, 2010, 06:05:42 AM »
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Separate boost, fuel and timing control... I just want throttle control
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turboskipper
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« Reply #8 on: November 15, 2010, 07:37:27 AM »
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Separate boost, fuel and timing control... I just want throttle control
Do you want things like idle control as well? Seems it would be much easier to just switch to a cable throttle if you only want ME7 to do throttle control. Especially because the motor normally goes unthrottled when boosted. |
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NOTORIOUS VR
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« Reply #9 on: November 15, 2010, 08:05:45 AM »
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yes I want idle control.
Deleting the TB, will also disable the ESP and Cruise Control, which I do not want to do.
What do you mean, unthrottled when boosted?
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createddeleted
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« Reply #10 on: March 07, 2012, 02:16:33 PM »
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I hate to bump this, but did you ever do any further testing/ research?
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nokiafix
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« Reply #11 on: March 08, 2012, 09:10:25 AM »
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Development mode by turning torque control off and just run KFLDRAPP???
I looked in to this last year and decided that when my big turbo project is read for mapping this is the way I will "TRY" ang get working. But I need to do a lot more reading on the functions PDF and recap what I found out and what my final theory was. I wanted to contol my turbo upto 400bhp via the N75 only not a fan of cheating and using MBC/ECB setup.
Nick
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« Last Edit: March 08, 2012, 01:07:17 PM by nokiafix »
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nokiafix
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« Reply #12 on: March 08, 2012, 09:12:59 AM »
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1:1 map of KFPED works well with small turbos, just loses the little torque assistance when pulling off from a stand still, helps to make the KFPED a little aggressive at low ped % /rpm then go 1:1 over 2000rpm.
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