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Interesting Video About Tesla Motors

raptor213

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The guys in my work breakroom were discussing this very topic over the weekend. First snowfall of the season hit metro Detroit and we were all debating how well modern driver assist/safety technologies might function in winter weather conditions.

When roadways are covered in slush or snow, rendering surface markings illegible, how would lane assist technologies work? Would adaptive cruise control systems account for contaminated road surfaces when determining safe following distances/intervals? Would driverless cars that navigate based upon a stored database of road maps adjust acceleration profiles and desired cruising speeds when surface conditions preclude normal acceleration to the posted speed limit? Can the cameras and sensors utilized in automatic parallel parking systems discern between a curb and snowbank?

While adaptive cruise control, automatic emergency braking in forward and reverse, automatic parallel parking, lane assist and other technologies are commonly packaged onto conventional vehicles in order to augment or enhance the regular driver experience, and those systems may always be overruled, overridden, or otherwise disabled/disengaged by a human operator, it does beg the question: how well do these systems function without a human operator in the loop to intervene?

Our entire discussion was rhetorical at best, given that my coworkers and I are not automotive engineers. Certainly, these questions were posed years ago by teams of thinkers who developed and tested viable solutions. The nerd in me would just like to know how it all works.
 

johnsnownw

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The guys in my work breakroom were discussing this very topic over the weekend. First snowfall of the season hit metro Detroit and we were all debating how well modern driver assist/safety technologies might function in winter weather conditions.

When roadways are covered in slush or snow, rendering surface markings illegible, how would lane assist technologies work? Would adaptive cruise control systems account for contaminated road surfaces when determining safe following distances/intervals? Would driverless cars that navigate based upon a stored database of road maps adjust acceleration profiles and desired cruising speeds when surface conditions preclude normal acceleration to the posted speed limit? Can the cameras and sensors utilized in automatic parallel parking systems discern between a curb and snowbank?

While adaptive cruise control, automatic emergency braking in forward and reverse, automatic parallel parking, lane assist and other technologies are commonly packaged onto conventional vehicles in order to augment or enhance the regular driver experience, and those systems may always be overruled, overridden, or otherwise disabled/disengaged by a human operator, it does beg the question: how well do these systems function without a human operator in the loop to intervene?

Our entire discussion was rhetorical at best, given that my coworkers and I are not automotive engineers. Certainly, these questions were posed years ago by teams of thinkers who developed and tested viable solutions. The nerd in me would just like to know how it all works.

Current systems can't work under these conditions, which is why you won't see any of these vehicles delivered without steering wheels for many years.
 

raptor213

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And you'll have a bunch of people raising a fuss because they can't use their cars.
Some people just love to complain.
Since we all know that it's impossible to fix stupidity, I'm curious if these proprietary driver assist technologies that each auto manufacturer owns rights to (Cadillac Super Cruise, Tesla Autopilot, Nissan/Infiniti ProPilot Assist, Subaru EyeSight, Volvo Pilot Assist, Mercedes-Benz Drive Pilot, Audi AI Traffic Jam Pilot, etc) are equipped to inquisitively calculate when it's in the interest of public safety to disengage/disarm, and what the human-computer interaction and feedback loop consists of. If a naive and/or ignorant driver mistakenly believes all is well and their fancy car will handle the driving so they mustn't pay attention, how are the occupants alerted to any change in semi-autonomous driving modes? What visual, audio, or haptic responses or cues are utilized to bring attention to the fact that driver intervention is necessary?

The wannabe engineer in me wishes I had been involved in the design and testing of these systems!
 
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