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Old 06-04-2010, 01:12 PM   #1
AVANTI R5
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Default Audi Launches a “Travolution”




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Few things are more frustrating than bouncing from one red light to another when you’re doing your daily commute. Worse, every stop eats up fuel.

Enter Audi’s travolution concept, which uses WiFi-like technologies to link a car to the roadway infrastructure. As you’re traveling, the system is communicating with the stop lights along your route, finding out when they’re likely to go red or green.

That information can be displayed on a graph, much like today’s navigation systems show a countdown bar as you approach a turn. Except, in this case, travolution advises the motorist what the best speed would be to avoid hitting a red light. If you’re already at a stop, you’d be told how long before the light turns green again.

Syncing up traffic with the green-yellow-red sequence could significantly improve traffic flow, Audi officials contend. That would certainly help cool down frustrated motorists, but there’d be another, equally significant advantage.

With regulators around the world clamping down on fuel consumption and CO2 emissions, automaker like Audi are looking for every possible process to save a bit of petroleum. The German maker, a subsidiary of Volkswagen AG, estimates that a car using travolution would save about 0.02 liters of fuel for every stop it avoids. (For the metrically challenged, if you hit an average 10 lights a day while commuting, you’d save more than a gallon of gas a month.)

From a global warming perspective, Audi projects the travolution system would reduce CO2 consumption in urban applications by as much as 15%, or 2 million tons annually.

The travolution system would provide other services, as well. Since it’s designed to allow a car to communicate with the transportation infrastructure, it could permit a motorist to simply pull up to a gas pump or parking meter and not worry about having to use cash or a credit card. Could it also allow insurance companies to enact pay-as-you-go plans or allow state governments to tax a motorist according to miles driven?

Audi has begun testing the travolution system, which has been under development for several years, on 15 vehicles around its headquarters, in Ingollstadt. For the test, they’ll be able to communicate with 25 stoplights

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Old 06-04-2010, 09:09 PM   #2
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awesome!
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Old 06-04-2010, 09:13 PM   #3
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Hah!, can't wait for all the accidents from people thinking, "Oh hey! I'm only 100 yards away and I got like 4 seconds to beat that yellow, I can totally make it!"
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Old 06-04-2010, 10:17 PM   #4
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i would love that. so much so that i would spend my time concentrating on hitting the next green.

I dig it. unfortunately that would be decades away to implement to a useful level.
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Old 06-05-2010, 12:44 PM   #5
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The best speed to travel to avoid a red light? Um... does this mean we'll have tons of people going 35km/h instead of 50km/h so they don't have to stop at lights? I see how this could work in a perfect world where everyone travels the same amount of speed and never speeds up/slows down, but in the real world you get cut off, have to change lanes, other people travel different speeds, etc. I don't buy it.

I think the better solution is to just work with GPS/web mapping functionality to determine the better route - as they get more detailed (indicating stop signs and traffic lights, timing traffic lights) they will become better at directing you to a route that has fewer lights, less traffic, and better-timed lights for the direction you're going.
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Old 06-05-2010, 12:53 PM   #6
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siiiiik i want it in my rex!
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Old 06-05-2010, 01:04 PM   #7
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Quote:
if you hit an average 10 lights a day while commuting, you’d save more than a gallon of gas a month.
so you'll save $3/month in gas

and you'll pay an extra $3000 for this system in your car probably.

Sounds like a great deal.

Also, all we need is for every driver to be looking down at a screen to find out how fast to go, how long they have to beat the red, etc. Because there aren't enough distracted drivers already...
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Old 06-05-2010, 11:22 PM   #8
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Wow, this technology is just what I've been waiting for. Now, i won't have to be glancing over at crosswalk signs and their stupid flashing numbers that countdown before the light turns red. This is just perfect.


I'm still waiting for houston to do the opposite. the numbers could count down till the light turns green or maybe up. But either way. Audi this is the dumbest idea since adaptive cruise control (scares the hell out of me).

BlitZ
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Old 06-05-2010, 11:26 PM   #9
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Sounds great to me - couldn't care less about the cost or savings, but would get it in a second to decrease frustration.
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Old 06-06-2010, 01:34 AM   #10
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I'll pass on this technology. Better to keep my eyes and attention on the road especially when theres traffic lights up ahead.
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Old 06-06-2010, 02:29 AM   #11
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This is great. Should greatly improve fuel economy too; as you know, even if your car gets 35 mpg, when you're sitting at a stoplight, you're getting 0 mpg.
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Old 06-06-2010, 02:47 AM   #12
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i speed to get in the front lines of red lights. this wouldnt work for me
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Old 06-06-2010, 08:15 AM   #13
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Here you have a system that will make your commute less annoying, reduce fuel consumption, pollution, noise, congestion, tire/break wear, accidents, and people still find a way to pooh-pooh it.
If this forum had been around at the time the otto-cycle engine was invented, we'd probably have a thread with 100 posts extolling the virtues of steam engines and horses.
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Old 06-06-2010, 12:51 PM   #14
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Quote:
Originally Posted by bal00 View Post
Here you have a system that will make your commute less annoying, reduce fuel consumption, pollution, noise, congestion, tire/break wear, accidents, and people still find a way to pooh-pooh it.
If this forum had been around at the time the otto-cycle engine was invented, we'd probably have a thread with 100 posts extolling the virtues of steam engines and horses.
You really think this system will work in normal traffic? So we have a system that predicts light changes. And we have a light system that tries to predict traffic flow. It's pie-in-the-sky thinking that only works in the real world if everyone has it, it doesn't interfere with other traffic systems, AND takes into account speeders, hypermilers, and traffic jams. Color me skeptical on the travolution, and more siding with "money grab".
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Old 06-07-2010, 11:37 AM   #15
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I just sat at a left hand turn signal for 45 seconds while the intersection and road was completely empty except for me. Maybe they could just concentrate on making stoplights smarter before making the cars smarter.
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Old 06-08-2010, 08:05 AM   #16
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Maybe they could just concentrate on making stoplights smarter before making the cars smarter.
This. Badly timed lights are the issue. With well timed lights you should only have to stop for 1 light along a single road.. after that you should be able to maintain the speed limit and cruise through the remaining lights.

... but of course, that takes some intelligence on the part of the people who set up the traffic system. .. so nevermind.
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Old 06-08-2010, 08:30 AM   #17
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Originally Posted by Beaverboy View Post
This. Badly timed lights are the issue. With well timed lights you should only have to stop for 1 light along a single road.. after that you should be able to maintain the speed limit and cruise through the remaining lights.

... but of course, that takes some intelligence on the part of the people who set up the traffic system. .. so nevermind.
"They" set the lights purposefully against each other in some towns to discourage through traffic. It takes me longer to get to downtown Palo Alto (say 3 miles on 40MPH main road) than it does to get to Mountain View (10 miles on highway + 2 miles back roads). If "they" could only hear my choice commentary while waiting at these lights every 1/4 mile I would be living in a padded cell
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Old 06-08-2010, 08:41 AM   #18
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So... how many people would be using this to race? We all know street racing is frowned upon, yadda yadda yadda but it's gonna happen. This will be like a built in race tree. "ok, 3 more seconds to green... rev it up baby!"

-Mike.
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Old 06-08-2010, 10:46 AM   #19
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Quote:
Originally Posted by Beaverboy View Post
This. Badly timed lights are the issue. With well timed lights you should only have to stop for 1 light along a single road.. after that you should be able to maintain the speed limit and cruise through the remaining lights.

... but of course, that takes some intelligence on the part of the people who set up the traffic system. .. so nevermind.
Actually that's a large part of the project. They employ an extremely elaborate traffic control system that uses genetic algorithms to find the best possible control strategy for the current traffic flow.

http://www.gevas.eu/index.php?eID=tx...bb0b9a93a74f96
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Old 06-09-2010, 10:48 AM   #20
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Originally Posted by irish44j View Post
Also, all we need is for every driver to be looking down at a screen to find out how fast to go, how long they have to beat the red, etc. Because there aren't enough distracted drivers already...
Part of my dream control/instrument system is where there are no numbers for your speed. All that is displayed is a graph that dynamically changes that shows your current speed compared to the max safe speed for the road conditions. In your HUD, you see a bar, red on the right (fast) and left (slow), green in the middle, and an indicator of your current speed on that bar. Mix in another color for best MPG on the bar, and another for the best speed to make all the lights.

Think about how you measure speed when you are in spirited driving attack mode. You use sight and saftey concerns, the road signs of recommended speeds are completely irrelevant. Now take that focus you have and apply it everywhere in all situations, and make it easily accessible to non-enthusiasts. Safety can be increased and stress levels can be reduced for all drivers.
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