Nissan to sell multiple affordable self-driving cars by 2020

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cabri

Diamond Member
Nov 3, 2012
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This is false as can be seen by empirical evidence. If the traffic and road needs to move at 75 mph to avoid clogged conditions, it will invariably lead to traffic jams if the actual speed on that road is dropped to 40 mph. This is seen everyday when you see any police activity during commuting hour traffic. There would be miles of traffic jam and the road clears up as soon as you pass the cop who has somebody pulled over. If the speed limit were to be actually observed by people, the traffic will not be able to move in most metro are during the commuting hours. This is obvious in NorthEast area and I believe it is true everywhere else too.

You try to drive the Washington beltway between 7AM and 9AM going 75mph.

It can be driven at 75 during on-rush hour;it can not be driven during rush hour. Even if the posted speed limit is 65. Traffic density will not allow it.

Common sense indicates that the higher the speed, the more lane footage a car uses. Lane miles do not increase based on time.

Only idiots tailgate at 55mph let alone at 75mph.

Rule of thumb used to be 1 car length between your per 10 mph for safe stopping distance.

Even extrapolating that to 10 mph above the speed limit; you can not safely drive 2 car lengths behind a person going 75 mph
 
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A5

Diamond Member
Jun 9, 2000
4,902
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Yeah, I agree, which is why more cities should move to variable speed limits.

Atlanta installed some of these on the perimeter. Also bumped the off-hour limit to 65, getting it slightly closer to reality.
 

Kaido

Elite Member & Kitchen Overlord
Feb 14, 2004
48,518
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Tesla's Model S is getting a self-driving 'autopilot' mode in three months:

http://www.engadget.com/2015/03/19/tesla-model-s-autopilot/

Only works on the highway though & requires the $4,250 tech package:

The self-driving future is almost here -- if you've got one of Tesla's Model S cars. Tesla CEO Elon Musk just announced that it'll be bringing its new automatic steering mode, simply dubbed "autopilot," to the Model S lineup in three to four months via a software update. Musk says you'll basically be able to "go between San Francisco and Seattle without the driver doing anything." He's also careful to point out this isn't true self-driving, just very powerful automatic steering (it was announced alongside the dual-motor Model S in October). The downside? It's only available on highways, and it requires one of Tesla's $4,250 "optional tech" package. Musk notes that the company's current technology likely won't be safe in suburban neighborhoods, which often have random obstacles like kids playing in the street. Eventually, you'll be able to have your Model S park itself or drive up to you in a parking lot -- just don't expect to do that on public roads.

We've already seen plenty of car companies offer things like assisted parallel parking -- an evolved form of cruise control seems like the next logical step. We'll be interested to see how, specifically, the new autopilot mode works though. Actual self-driving cars from Google and others rely on a bevy of sensors that the Model S likely doesn't have, even with the autopilot package, which is probably another reason autopilot won't work in more populated areas. Tesla also unveiled two new software features today aimed at curbing range anxiety (without actually increasing the mileage on its Model S).
 

cabri

Diamond Member
Nov 3, 2012
3,616
1
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Tesla's Model S is getting a self-driving 'autopilot' mode in three months:

http://www.engadget.com/2015/03/19/tesla-model-s-autopilot/

Only works on the highway though & requires the $4,250 tech package:
Acts as proof of concept :thumbsup:

And the highways is where it is the most beneficial - traffic is more predictable.
However, having sensors would seem to be needed for other vehicle/obstacle detection.

As well as having to rely strictly on GPS coordinates
 

Midwayman

Diamond Member
Jan 28, 2000
5,723
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I'd kill for a highway only autopilot. It'd make my daily commute so much more bearable.
 

Vdubchaos

Lifer
Nov 11, 2009
10,411
10
0
Take my freedom of driving away and I will reconsider living in this country.

I love driving. But if self driving cars can eliminate idiots, i'm all for it. I just don't believe/think technology can operate like a human brain and adjust accordingly.

Some will die and technology will go away IMO.
 

BudAshes

Lifer
Jul 20, 2003
13,920
3,203
146
Take my freedom of driving away and I will reconsider living in this country.

I love driving. But if self driving cars can eliminate idiots, i'm all for it. I just don't believe/think technology can operate like a human brain and adjust accordingly.

Some will die and technology will go away IMO.

Well that is a pretty stupid opinion, but I guess that's all you have got to offer
 

JCH13

Diamond Member
Sep 14, 2010
4,981
66
91
Take my freedom of driving away and I will reconsider living in this country.

I love driving. But if self driving cars can eliminate idiots, i'm all for it. I just don't believe/think technology can operate like a human brain and adjust accordingly.

Some will die and technology will go away IMO.

Quick! Let's get this technology into every car!

*runs off to lab*

Well that is a pretty stupid opinion, but I guess that's all you have got to offer

I would have to agree.

This is 'merica dammit! If it doesn't have a measurable risk of killing someone and/or ourselves we don't want it! Fast food, guns, cars, sugar, the option to not vaccinate, Florida, need I go on?
 

Torn Mind

Lifer
Nov 25, 2012
11,782
2,685
136
Sheesh, I remember talk about self-driving cars in a mid-1990s ABC World News tonight report. Needed private highways and devices in the road.
 

Kaido

Elite Member & Kitchen Overlord
Feb 14, 2004
48,518
5,340
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My wife got a Subaru Forester with second-gen EyeSight this past week & I have been playing with the adaptive cruise control system:

http://www.subaru.com/engineering/eyesight.html

http://media.subaru.com/newsrelease...-debuts-next-generation-eyesight-system&mid=1

It is REALLY impressive & has given me a lot of confidence in the future of self-driving cars. My commute to work is largely highway; I drove the entire way on adaptive without a hitch. Really really cool. It always stays a safe distance from the car ahead of you & can do emergency braking if someone cuts you off. All you really have to do is turn the wheel, and it will pull to a dead stop as traffic dictates (it disables adaptive a few seconds after coming to a complete stop. BMW actually has an advanced version of adaptive cruise control that includes a stop & go traffic feature, which would be amazing because I sometimes sit for an hour or two in traffic on my way home:

http://www.bmw.com/com/en/insights/...e/articles/active_cruise_control_stop_go.html

So I can see how well say Tesla's Autopilot would work on the highway...the self-driving cruise mode works so well, it's just one more step to take over steering wheel control. I was nervous the first day using it, but you get used to it REALLY quickly & by the second day I wasn't even thinking about it. Plus it tells you the exact cruise speed & lets you jump up or down in 5 MPH increments, so you can easily match the speed limit as needed automatically, but not have to adjust your speed if someone pulls out from a side street in residential areas.

Anyway...I can definitely see how self-driving cars could actually work in reality, and how you could be comfortable in them. I love driving, especially stick, but I'd also love to take a nap or play on my cell phone on the way to & from work every morning, or when going to the mall or on a long trip somewhere. Road trips would be amazing because you could play cards with your family or friends the whole way, haha!
 

senseamp

Lifer
Feb 5, 2006
35,787
6,195
126
The future of cars is electric, self-driving, and shared.
The center of mass in terms of value creation in the automotive sector is rapidly shifting from car manufacturing and oil production centers to Silicon Valley and its satellites. It's a wonderful thing to get cars on Moore's law curve. In the meantime, enjoy your, gas powered, human driven car.
 

Accord99

Platinum Member
Jul 2, 2001
2,259
172
106
Adaptive cruise control and lane keeping and steering are the low hanging fruit of driver aids and many cars already have them. They're still a long way off from self-driving.

The future of cars is electric, self-driving, and shared.
The center of mass in terms of value creation in the automotive sector is rapidly shifting from car manufacturing and oil production centers to Silicon Valley and its satellites. It's a wonderful thing to get cars on Moore's law curve. In the meantime, enjoy your, gas powered, human driven car.
The only thing Moore's law applies to is transistors and it's already breaking down. Nothing else, not even electric drive trains or batteries operate on Moore's law at all.
 

Kaido

Elite Member & Kitchen Overlord
Feb 14, 2004
48,518
5,340
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The future of cars is electric, self-driving, and shared.
The center of mass in terms of value creation in the automotive sector is rapidly shifting from car manufacturing and oil production centers to Silicon Valley and its satellites. It's a wonderful thing to get cars on Moore's law curve. In the meantime, enjoy your, gas powered, human driven car.

Uber Teslas with Autopilot :thumbsup:
 

videogames101

Diamond Member
Aug 24, 2005
6,777
19
81
They won't be universal. In rural areas or any vehicle used for actual work people will still and probably always drive cars themselves. This will limit overall marketability.
 

Kaido

Elite Member & Kitchen Overlord
Feb 14, 2004
48,518
5,340
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They won't be universal. In rural areas or any vehicle used for actual work people will still and probably always drive cars themselves. This will limit overall marketability.

I think Minority Report had a pretty accurate picture of the future...in the city, everything was automated to create a good traffic flow, but Tom Cruise took over manual control when he drove out to the farm area.
 

senseamp

Lifer
Feb 5, 2006
35,787
6,195
126
They won't be universal. In rural areas or any vehicle used for actual work people will still and probably always drive cars themselves. This will limit overall marketability.

http://www.abc.net.au/news/2014-04-...ucks-taking-over-in-pilbara-mining-wa/5412642

Work vehicles may be among the first to be automated, because it's not about choice of driving vs reading news paper as it is for personal vehicle, where it's hard to put a value of one over the other. This is cold hard cash, a salary cost that can be eliminated.
 
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