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Robocarís Honking Problem

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traneus
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Tides of pedestrians
traneus   11/30/2017 5:28:33 PM
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I wonder how self-driving vehicles will cope with Boston's tides of pedestrians.

David Ashton
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Self Driving cars
David Ashton   11/29/2017 2:02:07 PM
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"...if he was putting someone at risk, the person would have used her vehicle's horn to make him stop."   Does that mean self-driving cars must be male? :-)

DickB1
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Re: Not smart enough
DickB1   11/29/2017 1:50:13 PM
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LOL!

Greg504
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Re: Not smart enough
Greg504   11/29/2017 1:45:16 PM
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GM's auto driving Bolt that was just showed off to reporters had to be taken out of automatic when it became stuck behind a Taco Truck that was selling food to road construction workers.

DickB1
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Not smart enough
DickB1   11/24/2017 7:41:11 AM
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Can a Robo shuttle take directions from a traffic cop who is overriding signal lights and/or normal traffic flow?  Can it follow directions of a flagman and move into the opposite lane to bypass workers?  Or will it choke? I wonder.

LouThompsonCA
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Re: to Err is human
LouThompsonCA   11/23/2017 10:20:18 AM
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I appreciate your stated point of view.  However, as a bicycle rider in Southern California, I am forced (by survival instinct) to take a different point of view.  Namely, to the extent that I want to stay alive, I must take personal responsibility for every conceivable situation that my present itself.  Doesn't much matter who is right or wrong, I must avoid trouble.

Neo10
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to Err is human
Neo10   11/21/2017 10:45:09 PM
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What the self-driven vehicle could've done next is different but I think the primary fault is with the driver in this case. Looks like he backed up without a thought and didn't check the rear of his truck before he started backing up because it's not like the robocar wentup to the truck when it was backing. Yes, it sounds silly that the robocar didn't use honk but then that could not have prevented the collision always and the robocar backing itself is not an optin at all as we all know it.  The problem in real world with such devices is not that they are short of some expectation but it is that we as humans have no predictable way to be expected to behave in all situations and that puts the AI at a disadvantage. And another thing, just because it is self-driven we cannot expect such means of transport to be 100% free of accidents, thats silly, we have to know what is the margin of safety we can accept and also remain economically viable and useful.

Bert22306
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Had expected the alarmism
Bert22306   11/21/2017 10:37:34 PM
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When I first read this news item, and saw what was actually involved, I did expect to get a big "See?" reaction. But in fact, the reaction is uncalled for.

First point. What kind of reaction would we get, if both vehicles had been manual? Well, it certainly would not have made the news!! What would have happened is, the truck driver would have been fined, and the guy behind the truck would have had absolutely nothing to worry about, other than to take his car to the body shop. This kind of accident is very common, and no one is required to either blow the horn or back up, in cases like this. Often, backing up is not even an option.

Secondly, there are some minor adjustments which could be made to the algorithm, even if not legally required. Blowing the horn is perhaps the simplest, when stopped at an intersection and distance from the vehicle in front reducing.

What if it had been the vehicle behind advancing, while the traffic light was red? Same sort of thing, only in that event, blowing the horn would not really help! Staying put would have been the only option.

Another possibility to explore would be for the autonomous vehicle to determine whether there's room behind, to back up. But quite honestly, human drivers would typically not do this, and it has its own dangers, especially for human drivers without a backup camera.

In short, no big whoop as far as I'm concerned. Blow the horn is about the only extra measure anyone should expect. Hardly earth shattering.

imispgh
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We need a testable Scenario Matrix
imispgh   11/20/2017 9:18:51 PM
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Excellent article First - this is yet another example of the urgent need for a testable Scenario Matrix and the proper use of simulation and test tracks to test these vehicles. We should not have to guess. assume, surmise etc. Second - I assume you asked for their tested matrix in the area associated with the accident and for their explanation of the engineering behind what the vehicle did and did not do and why? While I believe however Mr. Holguin's instincts are correct I believe his analysis is incomplete. Or at least he explanation is. What matters here is did the vehicle recognize something large enough to cause a sizable impact was coming right at it? If not why? If it did why didn't the vehicle back up to avoid the hit? Did it think the G-force to do so was calculated to be worse for the passengers than the impact? If the truck had been going faster would that have mattered? What if the truck kept pushing and did not stop? What other scenarios would be effected by the same thread?

EELoser
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They don't work in the snow
EELoser   11/20/2017 5:54:44 PM
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or ice.  

Who is paying for this stupid shuttle?  It doesn't pay for itself.....

 

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