Using Maths channel to calculate turbo airflow

[Hugh]

Hi Paul,

I am an enthusiastic amateur, not a professional motorsport engineer and assumed that since I was able to wire and tune a Motec MXXX series ECU from scratch using the manual, plus having other ECU configuring and mapping experience that I would not have to worry about understanding the logic of any ECU, regardless of its pedigree.

Even more so that the Syvecs ECU was fitted and configured to my car as part of an engine & gearbox upgrade.

I am still not concerned by the fact that I haven’t figured it out yet, since I will make it my business to figure it out. However, I am frustrated by the lack of simple examples on how to adjust my ECU parameters.

Clearly it could be me that lacks the discipline to seek out the solutions that are staring me in the face, somehow I doubt it, but we all learn in different ways, so no biggie.

Making shortcuts in SCal might be a help if, for instance, I understood how my boost control or gearbox clutch control were configured, currently I need to adjust both and yet the logic of what needs adjusting is still a mystery.

For instance, can you tell me why there is not a full list of what the ECU parameters monitor in SCal? I have requested this several times from support and have been ignored.

Thanks

Hugh

[stevieturbo]

For instance, can you tell me why there is not a full list of what the ECU parameters monitor in SCal? I have requested this several times from support and have been ignored.

Thanks

Hugh

Dont quite follow what you mean ? SCal by nature includes absolutely everything

[Slowie]

Hi Paul,

I am an enthusiastic amateur, not a professional motorsport engineer and assumed that since I was able to wire and tune a Motec MXXX series ECU from scratch using the manual, plus having other ECU configuring and mapping experience that I would not have to worry about understanding the logic of any ECU, regardless of its pedigree.

Even more so that the Syvecs ECU was fitted and configured to my car as part of an engine & gearbox upgrade.

I am still not concerned by the fact that I haven’t figured it out yet, since I will make it my business to figure it out. However, I am frustrated by the lack of simple examples on how to adjust my ECU parameters.

Clearly it could be me that lacks the discipline to seek out the solutions that are staring me in the face, somehow I doubt it, but we all learn in different ways, so no biggie.

Making shortcuts in SCal might be a help if, for instance, I understood how my boost control or gearbox clutch control were configured, currently I need to adjust both and yet the logic of what needs adjusting is still a mystery.

For instance, can you tell me why there is not a full list of what the ECU parameters monitor in SCal? I have requested this several times from support and have been ignored.

Thanks

Hugh

Getting a hundred series Motec in and running is a good background. And it does certainly get more difficult with more esoteric ECU's (Syvecs/LR, Pectel) where info is not floating around with a dealer on every block, or ECU's where the manual is simply full of mistakes (no names, but there are a couple of big sinners in this category...).

What kind of examples of adjusting ECU parameters would you be looking for, so Ryan knows where to focus? Adjusting sensor input configurations, transient fuelling (accel enrichment), tweaking closed loop lambda, etc?

You mention gearbox and boost control, boost control is covered completely in the manual I linked earlier, as well as some gearbox coverage. I have no direct experience of the gearbox mapping, so won't be able to help with that. Do you want to change boost level, or boost maps, and adjust your fueling to suit?

Referring to your last sentence, are you looking for a list of what each abbreviation is? After looking at the partial list on the site for download (or here on the forum), you can pretty much figure out what all the rest are. That said, there are one or two items that remain blank to me as well, though everything I need is easily understood. If you want, please post up a list of the items that mystify you here, and I'm sure we can guide you.

[Hugh]

Referring to your last sentence, are you looking for a list of what each abbreviation is? After looking at the partial list on the site for download (or here on the forum), you can pretty much figure out what all the rest are. That said, there are one or two items that remain blank to me as well, though everything I need is easily understood. If you want, please post up a list of the items that mystify you here, and I'm sure we can guide you.

Dont quite follow what you mean ? SCal by nature includes absolutely everything

Sorry Guy's why should I I have to figure anything out.

There should be a list that tells me exactly what act1 is or an16v, btMax, camRAW etc. etc, why should I have to scratch my head about fundamental building blocks.

I have idle control in SCal open at the minute since I am trying to make sense of why my car idles too high when it it hot and can see terms like idledutyAddAct, ppsA, IdleDutyP, IdleDutyI, IdleErr, I have no idea what these mean, a search of the user manual does not yield any information.

Since it is so straight forward, why have none of you put a list together with a short descrition of what these parameters are all about.

I fail to believe that all the other users can look at these terms and understand them, this must lead to less than optimat tuning of customers cars, so can hardly be classed as a selling point for Syvecs ECU's.

Why would Syvecs create artificial barriers to optimal use of their products, I just don't get it.

[stevieturbo]

Sorry Guy's why should I I have to figure anything out.

There should be a list that tells me exactly what act1 is or an16v, btMax, camRAW etc. etc, why should I have to scratch my head about fundamental building blocks.

I have idle control in SCal open at the minute since I am trying to make sense of why my car idles too high when it it hot and can see terms like idledutyAddAct, ppsA, IdleDutyP, IdleDutyI, IdleErr, I have no idea what these mean, a search of the user manual does not yield any information.

Since it is so straight forward, why have none of you put a list together with a short descrition of what these parameters are all about.

I fail to believe that all the other users can look at these terms and understand them, this must lead to less than optimat tuning of customers cars, so can hardly be classed as a selling point for Syvecs ECU's.

Why would Syvecs create artificial barriers to optimal use of their products, I just don't get it.

A lot of the items are relatively self explanatory. And it would take one hell of a manual to cover everything, working through you will get to grips with it though.

act1 is simply air charge temp input 1

AN16V would be the raw voltage on analogue input 16. The user would define what this is.

btMax I believe simply max battery voltage ? Not something I've ever had a need to use.

camRAW is the trigger values as seen at the cam sensor within the 0-720 cycle.

idledutyaddact....as it says, idle duty adder for air charge temp

ppsA, Pedal position sensor A, DBW car will have 2 and also then 2 tracks for blade position which would be TPSx

Idleduty P, I etc are the PID type values being used for the closed loop adjustments at any given time


or...and I knew I'd seen it somewhere lol doesnt cover all, but it covers most.

http://www.syvecs.com/downloads/Syvecs%20Parameters.pdf

[stevieturbo]

If your car is idling too high for example...when you open the idle control section, most of the info it's working with will open in the sidebar on the right so you can see the various parameters.

Although firstly you'd want to see what the idle speed target is, whether closed loop or idle control is actually active etc etc and then what corrections if any are being applied.

It will take time to get used to it all...but IMO it is leaps and bounds better than Motec and far easier to work with. But it is very daunting at the first tries as there is a lot to it.

You can choose a basic view setup to hide a lot of the stuff you would never use on your car which can make the software a little nicer. Although that can take some time to configure too to make sure you dont hide things away you might need.

I'm sure you've seen Ryans videos

https://www.youtube.com/user/SyvecsHelp/videos

And there is a manual here, although it cannot cover absolutely everything

http://www.syvecs.co.uk/download-area/

http://www.syvecs.com/downloads/Syvecs% ... 20V1.1.pdf

[RICE RACING]

Why would Syvecs create artificial barriers to optimal use of their products, I just don't get it.

Syvecs have actually done the opposite of that you suggest, through their accessible video's, manuals, and even this forum. It's let the average person have some chance to learn a true 'top shelf' motorsports piece of equipment, they have lowered barriers rather than created them

Keep in mind (anyone who would read a forum or look to one for support) is that to truly learn this system will take you allot of time, build up your own notes as you figure it out, we have all done that to varying degree's. Remember they have a balance to strike between teaching dealers, end users, and not letting out every aspect to the opposition who look at the same 'freely distributed' resources to reverse engineer their own features.

[Hugh]

RICE RACING and stevieturbo,

Since I am new to Syvecs, I will bow to your greater experience and continue to play about with SCal to expand my knowledge.

As said earlier, I have no concerns over getting to grips with the system, just how steep the learning curve is.

Thanks for your input.

Hugh

[stevieturbo]

RICE RACING and stevieturbo,

Since I am new to Syvecs, I will bow to your greater experience and continue to play about with SCal to expand my knowledge.

As said earlier, I have no concerns over getting to grips with the system, just how steep the learning curve is.

Thanks for your input.

Hugh

Patience....you'll get the hang of it as you make changes etc. But it is simply hands on that is required and yes it will take some time.

But by all means ask away, we're all learning.