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Old 02-03-2013, 04:26 AM   #1
MapDCCD.com
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MapDCCD - Motorsports differential control system for any Subaru 5 or 6 speed DCCD equipped transmission.

See www.mapdccd.com for more information, purchasing, firmware downloads, setup and installation instructions.

Contact [email protected]

Feature overview
  • Plug-and-play USB interface
  • Four freely configurable DCCD control maps
  • Tunable Auto mode
  • Manual mode
  • Free firmware updates with improvements and new features
  • Full stand alone operation
  • Live output display
  • Built in precision 3-axis accelerometer
  • Data logging output
  • Parking brake override
  • ABS override
  • Input for integrating your own external sensors into your control maps e.g. gyros, accelerometers, steering wheel angle sensors, an external ecu input, an STI thumbwheel input, separate throttle and braking control maps and more!!
MapDCCD allows you to freely chose maps for road, wet track, dry track, autocross, rally, drag racing or fuel economy. Your maps can also be loaded from saved maps on your computer or downloaded from our website. Any of the four loaded maps can be selected on the fly - allowing you to select the most appropriate map for your driving conditions.

There are three main operation modes available. Any of the modes can be selected at any time. The three main modes are: manual, automatic and mappable modes 1 to 4. The MapDCCD controller lights will indicate the current operation mode and the live DCCD output.










Operation modes in detail


Manual mode
Manual mode is basic DCCD control. The front dial or external thumbwheel input is used to vary the static DCCD lock from 0 to 100%.

Automatic mode
Automatic mode is simple and automated DCCD control. Automatic mode varies the amount of DCCD lock based on your throttle position and your vehicles lateral acceleration using the built in accelerometers.

The DCCD lock is calculated using a continuous high speed mathematical model of vehicle dynamics to predict the required amount of DCCD lock.

The front dial or external thumbwheel input is used to vary the aggression of the vehicle dynamics model. Setting the dial high will bias the vehicle toward under steer tendencies, while setting the dial low will bias the vehicle toward over steer tendencies. The dial can be adjusted to any position in between to allow you to tune vehicle response to your preference.

Map modes 1-4
The map modes provide advanced DCCD control and are especially suited to a motorsports environment. Each map mode allows fine tuning of acceleration, braking, corner entry, corner exit and more

Each map mode has two main sections – The throttle section and the braking section. The braking section is activated when the foot brake is pressed; otherwise the throttle section is default.

Throttle section
The throttle section allows mapping of the DCCD lock based on four parameters: RPM, TPS, Vehicle speed and a sensor input. The sensor inputs available include internal lateral or longitudinal accelerometers or an external sensor.

Braking section
The braking section has two braking maps – one for when only the foot brake is applied and another for when the foot brake is applied and the throttle is also applied (and above a set threshold), deemed "left foot braking".

The braking section allows mapping of the DCCD lock based on four parameters: The foot brake being activated, TPS, vehicle speed and a sensor input. Like for the throttle section, the sensor inputs available include internal lateral or longitudinal accelerometers or any external sensor.


We are now proud to announce Maxwell Power Services as an official distributor where customers in the US can now purchase MapDCCD controllers directly. http://www.getadomtune.com/contactus.html








Control unit


Mapping software


Setup window


Example of live DCCD output


Example of live DCCD output





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Last edited by MapDCCD.com; 02-04-2014 at 04:17 AM. Reason: Update!
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Old 02-03-2013, 10:42 AM   #2
tekfoc
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very very nice.
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Old 02-04-2013, 05:21 PM   #3
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Order placed, review will be posted
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Old 02-05-2013, 05:51 PM   #4
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Wow! Finally another option for those needing to add DCCD and I love how complete your option is and the fact that it can be tuned with nice software out of the box. The price point is great as well.

I want to maintain as much OEM integration as possible so I have a couple questions:

1. I see I can control the unit with an STi thumb wheel for turning things up and down. Can I also switch modes using an STi auto/manual switch?

2. Is it possible to integrate this unit with an STi cluster to display the DCCD info there?

These are the only two things I don't see that I'm looking for in a stand alone DCCD controller. I want to be able to mount control box out of sight somewhere and use oem controls and the oem cluster display.

Thanks!

Edit: Just read through the installation and usage guide which is outstandingly clear and detailed by the way. Now I see the thumb can control the modes but not the gain itself. That I could probably live with but I would be curious to know if it would ever be possible to use the switch to changes modes and the thumbwheel to adjust the gain.

Last edited by WRXt4cy; 02-05-2013 at 06:16 PM.
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Old 02-08-2013, 07:04 AM   #5
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Hi - thanks for your kind words!

Yes as you've mentioned the thumbwheel can be used to cycle through the six operation modes. Gain for the manual and auto modes will then be set by the front control knob.

I like your idea of the auto/manual switch being used to switch modes, we could implement this feature and release a firmware update that allows you to do this. I will try it out on our test cars and see how it goes - thanks for the suggestion.

As an aside, we have and will continue to do free firmware updates for users to implement new features and make improvements. The firmware update takes place automatically when you download and run an updated version of the mapping software. Check back every so often to see what's new.
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Old 02-08-2013, 09:42 PM   #6
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Just saw your post on the pimp gc8 thread, saw the name and looked into it...really excited to find out more about this and perhaps even toss it onto the time attack car.

I've been looking into all means to help further reduce the TTR record at VIR for UTCC this year.
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Old 02-09-2013, 05:35 AM   #7
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Good spotting, those are some of our development cars. Let me know if you have any questions about the controller. Do you have a link to some info on your car?
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Old 02-09-2013, 07:51 AM   #8
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I have a 2000 RS with full sti driveline running a fully functional OEM dccd controller.
Do you feel your controller would have any advantages over the stock auto/manual system?

I am making around 550whp and it seems to have over run the oem auto system.
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Old 02-09-2013, 06:59 PM   #9
MapDCCD.com
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Quote:
Originally Posted by jnorth85 View Post
I have a 2000 RS with full sti driveline running a fully functional OEM dccd controller.
Do you feel your controller would have any advantages over the stock auto/manual system?

I am making around 550whp and it seems to have over run the oem auto system.
What version is your controller? The response of the V11 is ok but versions prior to that we have found to be very slow to respond and are especially bad if you have increased power or are driving on low traction surfaces.

The MapDCCD controller has an extremely fast response speed. You also have full control to tune the DCCD response in corner entry, corner exit, straight line acceleration and braking. For high powered car we recommend setting up the acceleration control maps fairly aggressively to prevent that feeling you describe where the DCCD system seems over run.

Here is an example, if your car makes power from around 3500+rpm and will start making boost at ~50% throttle then you can set the acceleration map up to start providing a high amount of DCCD lock. In low throttle and low RPM regions you can keep the DCCD lock low as there is little need for it.



On my personal car I have a fairly laggy turbo so I dont start increasing DCCD lock until high in the RPM range, this prevents unnecessary drivetrain friction and keeps the car maneuverable where the engine isnt making power.
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Old 02-09-2013, 07:07 PM   #10
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Quote:
Originally Posted by MapDCCD.com View Post

What version is your controller? The response of the V11 is ok but versions prior to that we have found to be very slow to respond and are especially bad if you have increased power or are driving on low traction surfaces.

The MapDCCD controller has an extremely fast response speed. You also have full control to tune the DCCD response in corner entry, corner exit, straight line acceleration and braking. For high powered car we recommend setting up the acceleration control maps fairly aggressively to prevent that feeling you describe where the DCCD system seems over run.

Here is an example, if your car makes power from around 3500+rpm and will start making boost at ~50% throttle then you can set the acceleration map up to start providing a high amount of DCCD lock. In low throttle and low RPM regions you can keep the DCCD lock low as there is little need for it.

On my personal car I have a fairly laggy turbo so I dont start increasing DCCD lock until high in the RPM range, this prevents unnecessary drivetrain friction and keeps the car maneuverable where the engine isnt making power.
I am running the 05 USDM system.
Even with racing slicks it seems the rear end gets most of the power, I would say the car acts a lot like a RWD car.

I am making 26psi by 3800 RPM.
I like the idea of adjusting the lock points.

I feel adjusting the stock one manually may be an option but more functional auto system would be ideal.
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Old 02-11-2013, 04:09 AM   #11
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Sounds like you could greatly benefit from a mappable controller - I once thought manually adjusting the stock controller would be fine for me, then I developed this one and never looked back. Some of our development cars are slick shod circuit racers (with not quite that much power) but the controller has been a big improvement.
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Old 02-11-2013, 04:43 AM   #12
MapDCCD.com
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Credit to Prodrive for this graphic. Full copy of their document here (5mb)
http://www2.eng.cam.ac.uk/~djc13/veh...2011_Harty.pdf

I have borrowed it as it is a useful illustration of how the built in lateral and longitudinal acceleration sensors in the MapDCCD controller can be used in the control maps to fade out DCCD lock braking into and throttling out of corners.

When braking into a corner, longitudinal acceleration (blue line) is high then fades out as you enter the corner. Lateral acceleration (purple line) increases as you start to turn into the corner. When past the apex of the corner, longitudinal acceleration increases as you accelerate and lateral acceleration decreases as you straighten the steering wheel.



Lateral acceleration is most commonly used in the braking modifier map (bottom right in the mapping software). You can see in the above graphic lateral acceleration increases as you turn into a corner. When braking into a corner, too much DCCD lock may lead to corner entry understeer. To help your car turn in, use the increase in lateral acceleration to reduce the DCCD lock under braking. For example, like this:



Of course, your preference may be not to have DCCD lock under brakes (although it helps greatly with car stability and preventing tire lockups), so you can keep the DCCD lock under brakes low or off.

You may also prefer to have the effect of the lateral accelerometer taper off as your vehicle speed increases. Use the speed axis to reduce the effect of the lateral accelerometer. For example, like this:




The MapDCCD controller supports a number of other external sensors that you can directly connect to the unit. Included are external accelerometers, gyros and general purpose 5V sensors such as a brake pressure sensor. More advanced users tend to like the brake pressure sensor in the braking maps but the accelerometers are usually perfect for most people.





Do you have any questions?
I will write up a piece on the use of accelerometers for corner exit next.
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Old 02-13-2013, 07:30 PM   #13
Maxwell Power
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This is the first controller I'm actually excited about. I will be putting one of these in my 2.5RS.
Short spec list:
07 STi Trans with longer 5/6
550whp

The car is set up for track racing, but can pretty much do it all.

After a quick email to the company, their professional nature and experience give me a warm fuzzy about dealing with them. I'll be posting my reviews of the product with both pictures and videos.

If things go as well as I hope, we will also be stocking these controllers here in the USA. That should help lower shipping times and costs to members on our continent.

Thanks guys!
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Old 02-13-2013, 08:45 PM   #14
jnorth85
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Quote:
Originally Posted by Maxwell Power View Post
This is the first controller I'm actually excited about. I will be putting one of these in my 2.5RS.
Short spec list:
07 STi Trans with longer 5/6
550whp

The car is set up for track racing, but can pretty much do it all.

After a quick email to the company, their professional nature and experience give me a warm fuzzy about dealing with them. I'll be posting my reviews of the product with both pictures and videos.

If things go as well as I hope, we will also be stocking these controllers here in the USA. That should help lower shipping times and costs to members on our continent.

Thanks guys!
This sounds a lot like my 2.5rs except I have JDM gearing in my 6 speed. This controller is on my list to buy!
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Old 02-13-2013, 08:52 PM   #15
Maxwell Power
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Quote:
Originally Posted by jnorth85 View Post
This sounds a lot like my 2.5rs except I have JDM gearing in my 6 speed. This controller is on my list to buy!
sold your STi?

I'll do a build thread on my rs and post a link so we aren't cluttering this thread with personal car facts.
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Old 02-13-2013, 09:07 PM   #16
jnorth85
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Quote:
Originally Posted by Maxwell Power View Post

sold your STi?

I'll do a build thread on my rs and post a link so we aren't cluttering this thread with personal car facts.
I've had a few 05's but the RS has been around a while! Check out my build thread on here
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Old 02-13-2013, 09:27 PM   #17
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I was confusing you with another guy jays05.
my bad.
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Old 02-13-2013, 09:46 PM   #18
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Quote:
Originally Posted by Maxwell Power View Post
This is the first controller I'm actually excited about. I will be putting one of these in my 2.5RS.
Short spec list:
07 STi Trans with longer 5/6
550whp

The car is set up for track racing, but can pretty much do it all.

After a quick email to the company, their professional nature and experience give me a warm fuzzy about dealing with them. I'll be posting my reviews of the product with both pictures and videos.

If things go as well as I hope, we will also be stocking these controllers here in the USA. That should help lower shipping times and costs to members on our continent.

Thanks guys!
Dom, Please post a link to your thread once you start testing. Excited to see how well it works. Thanks
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Old 02-14-2013, 10:09 AM   #19
666stars
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Wrb Dccd jdm 6 speed now!

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Received my mapdccd controller today! I have base maps for street, dry circuit, wet circuit and snow installed

Last edited by 666stars; 02-14-2013 at 10:56 AM.
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Old 02-20-2013, 04:17 AM   #20
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Spotted a mention from a chap in Alaska running our controller
http://forums.nasioc.com/forums/show...0&postcount=91
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Old 02-20-2013, 04:25 AM   #21
MapDCCD.com
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Old 02-21-2013, 12:21 AM   #22
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Quote:
Originally Posted by MapDCCD.com View Post
Good spotting, those are some of our development cars. Let me know if you have any questions about the controller. Do you have a link to some info on your car?
It's the Turn In Concepts time attack car. We've been running the DCCD Pro and having a programmable option makes the engineer in my smile, as I know we'd had some serious tire lighting issues.

Tony would 'complain' that he could light up the tire 285 Hankook C91's in fourth gear on any corner...on the small engine and turbo
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Old 02-27-2013, 04:45 PM   #23
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Here's mine
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Old 02-27-2013, 05:55 PM   #24
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Quote:
Originally Posted by 666stars View Post
Here's mine
Looks good there!

Looks like you just 3M taped the at the top?

How long did it take yours to arrive from the time is left NZ and what US carried ended up delivering it? I'm wondering what to expect and Matt wasn't sure how it would arrive.
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Old 02-27-2013, 08:24 PM   #25
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Just over a week, and it was delivered by USPS .and I used this tape, super strong
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