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"yaw control logic" What is it?

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Old Oct 24, 2003 | 08:13 PM
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Default "yaw control logic" What is it?

I have scoured this board and all the other sources I could think of trying to figure out what this is, and nobody seems to be saying. I can't even find a mention on it on Honda's Web site. Anyone know what it is?

It is apparently in the Honda press release, as a few magazines have mentioned it in their articles about the '04 S2000. I am speculating it is stability control that only comes on when you brake, but that's just speculation...

Mike D.
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Old Oct 24, 2003 | 09:07 PM
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Maybe "Jaw Control Logic"? You know...you have to control the Jaw dropping when driving
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Old Oct 24, 2003 | 11:01 PM
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Nothing new 1996 technology, Honda Direct Yaw Control:

http://dwolsten.tripod.com/articles/honda4.htm

Honda ATTS (active torque transfer system), the next gen

http://dwolsten.tripod.com/articles/prelude1.htm

2004 S2000 Yaw Control Logic:

http://www.edmunds.com/reviews/roadtests/f...00/article.html

Improvement of ABS through Yaw Control:

http://www.s2.chalmers.se/research/cal/aut...n/Paper/107.pdf
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Old Oct 25, 2003 | 06:11 AM
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3ngin33r1, thanks for that link. Are you sure the "multi-control" ABS talked about in that paper is what Honda is putting on the 2004 S2000? It looks like the setup for conventional stability control but without the steering wheel position sensor. I guess since the system is only trying to optimize braking and not actively correct oversteer or understeer, it doesn't need a steering wheel position sensor.

If this really is what Honda is doing, it goes some way to prove that Honda cares about this car remaining a pure sports car; it would have taken one more $5 steering wheel sensor (and a bunch of development) to give the car a full stability control system, and such a system would have made the car easier to drive for inexperienced drivers.

Mike D.
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Old Oct 25, 2003 | 06:26 AM
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Mike,
Do you post on Porsche Pete's Boxster Board? I lurk there a lot...am a big fan of the 986.
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Old Oct 25, 2003 | 06:29 AM
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From one of the early test drive reports I've read on this forum, the '04 has more yaw to control.
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Old Oct 25, 2003 | 09:14 AM
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[QUOTE]Originally posted by Mike D.
3ngin33r1, thanks for that link. Are you sure the "multi-control" ABS talked about in that paper is what Honda is putting on the 2004 S2000? It looks like the setup for conventional stability control but without the steering wheel position sensor. I guess since the system is only trying to optimize braking and not actively correct oversteer or understeer, it doesn't need a steering wheel position sensor.

If this really is what Honda is doing, it goes some way to prove that Honda cares about this car remaining a pure sports car; it would have taken one more $5 steering wheel sensor (and a bunch of development) to give the car a full stability control system, and such a system would have made the car easier to drive for inexperienced drivers.
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Old Oct 25, 2003 | 11:21 AM
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Originally posted by Helios
Mike,
Do you post on Porsche Pete's Boxster Board? I lurk there a lot...am a big fan of the 986.
Yup, that's me. I have a 2002 Boxster S but I am sick of dealing with it falling apart and I am considering an S2000. The lack of any stability or traction aid is keeping me away at this point. I drive through Michigan Winters and while I know I don't NEED stability control, I have seen what it can do in an emergency and I wouldn't choose to be without it again.

Mike D.
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Old Oct 27, 2003 | 08:01 AM
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[QUOTE] Originally posted by Mike D.
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Old Oct 27, 2003 | 09:58 AM
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[QUOTE]Originally posted by Mike D.
3ngin33r1, thanks for that link. Are you sure the "multi-control" ABS talked about in that paper is what Honda is putting on the 2004 S2000? It looks like the setup for conventional stability control but without the steering wheel position sensor. I guess since the system is only trying to optimize braking and not actively correct oversteer or understeer, it doesn't need a steering wheel position sensor.

If this really is what Honda is doing, it goes some way to prove that Honda cares about this car remaining a pure sports car; it would have taken one more $5 steering wheel sensor (and a bunch of development) to give the car a full stability control system, and such a system would have made the car easier to drive for inexperienced drivers.
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