Author Topic: Confused between LED dynamic light assist and dynamic curve  (Read 15927 times)

Offline fredgroves

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Re: Confused between LED dynamic light assist and dynamic curve
« Reply #40 on: 10 February 2020, 11:12 »
Might not work with a target light source already visible when you enable it. I suspect its looking for changes...
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Offline Exonian

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Re: Confused between LED dynamic light assist and dynamic curve
« Reply #41 on: 12 February 2020, 05:44 »
Might not work with a target light source already visible when you enable it. I suspect its looking for changes...

I’d say that was correct.





The system would take a second or two to boot up and move the shutters and any light source wouldn’t immediately be acted upon.
Much safer if you need to dip headlamps manually to then treat it like a regular high beam and wait until it’s safe to have maximum light output for a few seconds (ie. nothing coming the other way) while the system does its start up thing.
Like any driver aid it’s just an assistant and shouldn’t be relied upon, full manual control should always be poised ready to override electronic gizmos.
It’s a system built to a price and I’m sure a few generations in will have it improved upon.
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Offline jv

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Re: Confused between LED dynamic light assist and dynamic curve
« Reply #42 on: 12 February 2020, 07:36 »
I've been driving home with this system active recently and haven't had any issues, anyone flashing or showing any concern at it. In fact I think the only problem is my paranoia that I could be blinding people! It goes against years of driving to have that blue light on the dash with cars around!

There's certainly no 'boot up time' delay and definitely no idea that a light source 'wouldnt be acted upon' it just does it's thing, creating shapes around other light sources, it's fascinating to watch.

If there was any kind of delay it would be pointless and never used. Other than a genuine problem with the OP system, my guess would be keeping turning the system on and off that could be the issue. Leave it on for a while, let it work, it turns itself off in lit areas and back on again when required anyway  :smiley:
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Offline Exonian

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Re: Confused between LED dynamic light assist and dynamic curve
« Reply #43 on: 12 February 2020, 20:16 »
Depends on the road and angle of approach for the other vehicles.
I get flashed from time to time on my commute because the road is bendy as hell so tend to dip the beam myself on certain bends if I see any sign of approaching headlamps.

There’s a definite lag on start up on mine.
Flick switch.
Brief pause.
Beam then spreads and raises.

I remember studying LED’s in college zillions of years ago, they’re slower reacting to current than filament bulbs but I’ll assume most of the adaptive stuff is shutters anyway(?)
I’ll do some research when I can be arsed.
Being arsed is the problem! Probably why I ended up shining shoes for a living instead of teaching electronics  :laugh:

 
« Last Edit: 12 February 2020, 20:19 by Exonian »
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Offline jv

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Re: Confused between LED dynamic light assist and dynamic curve
« Reply #44 on: 12 February 2020, 20:25 »
Ha!  :laugh:

Maybe the flat lands of Cambridgeshire are well suited
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Offline Pretzel

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Re: Confused between LED dynamic light assist and dynamic curve
« Reply #45 on: 13 February 2020, 17:22 »

I remember studying LED’s in college zillions of years ago, they’re slower reacting to current than filament bulbs but I’ll assume most of the adaptive stuff is shutters anyway(?)
I’ll do some research when I can be arsed.
Being arsed is the problem! Probably why I ended up shining shoes for a living instead of teaching electronics  :laugh:

I always thought LED's were faster reacting as there wasn't a filament to heat up.

Offline Exonian

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Re: Confused between LED dynamic light assist and dynamic curve
« Reply #46 on: 18 February 2020, 19:51 »

I remember studying LED’s in college zillions of years ago, they’re slower reacting to current than filament bulbs but I’ll assume most of the adaptive stuff is shutters anyway(?)
I’ll do some research when I can be arsed.
Being arsed is the problem! Probably why I ended up shining shoes for a living instead of teaching electronics  :laugh:

I always thought LED's were faster reacting as there wasn't a filament to heat up.

More than likely, I never was much good at paying attention in class!

I think it was something to do with the LED’s being slower to react to voltage changes or something but bear in mind that it was about 35 years ago and LED’s were tiny and in their infancy. Times have changed a little.
‘25 8.5R, ‘23 8R, ‘20 8CS, ‘19 135iX, ‘19 TCR, ‘17 Ed40, ‘17 GTD, ‘15 7R, ‘13 GTI PP, ‘11 GTI, ‘09 GTI, ‘98 Ibiza Cupra, ‘05 GTI, ‘06 Polo GTI, ‘04 GT TDI, ‘05 Fabia vRS, ‘02 GTI T, ‘03 Ibiza TDI 130, ‘01 Leon 180, ‘89 mk2 16v, ‘99 Ibiza TDI, ‘96 VR6, ‘98 Ibiza TDI, ‘92 VR6, ‘88 mk2 8v, ‘92 Polo G40, ‘91 mk2 8v, ‘89 mk2 8v, 205 GTI 1.9, ‘83 mk1 GTI, ‘80 Scirocco GTI, plus some others I’ve forgotten