[LINK] Autonomous emergency braking systems

[Bernard Robertson-Dunn]

Karen,
links I have found:

https://phys.org/news/2015-06-acura-suv-recall-glitch-automatic.html

https://www.shine.com.au/blog/product-liability/faulty-high-tech-braking-systems/

https://www.cnet.com/roadshow/news/aaa-study-shows-not-every-autonomous-braking-system-is-created-equal/

https://www.news-mail.com.au/news/what-autonomous-emergency-braking-and-can-we-trust/3143175/

Bernard

On 27/06/2018 1:27 PM, Karen Dearne wrote:
> Hi Linkers
>
> I know there's been some discussion here about driverless cars, so I'm
> wondering if anyone can help point me in the right direction
>
> A family friend bought a Mazda CX-9 Azami (2017) last year, on the basis of
> the advanced safety features promoted by Mazda as the 7-seater vehicle is
> primarily intended for his wife and their three kids under the age of 5.
>
> Car functions are operated via an electronic central control console, with
> sensors and autonomous emergency braking.
>
> Unfortunately it appears this vehicle is a lemon, as there's been a series
> of problems with the screen shutting itself down, and various
> "malfunctions" of the brake system, like someone pumping the brakes. (There
> were also several quality problems which don't meet the luxury image and
> almost $70K pricetag)
>
> Most worrying however was a recent incident while his wife was driving with
> the kids on the motorway north of Sydney, to Newcastle.
>
> She signalled and began to pull out to overtake a slow moving vehicle when
> the brakes slammed on, hard, and coming to a complete stop in the middle of
> the motorway.
>
> Fortunately there was little other traffic but if it had been busy there
> would certainly have been a multi-car pile-up and probably injuries.
>
> Mazda kept the car in its workshop for more than a month while it conducted
> "investigations" and has now declared that there is nothing wrong with the
> car.
>
> However they must acknowledge the car suffered a "hard stop" as they had to
> machine the disc brakes due to "glazing"
>
> My friend has been driving a loan car, and has had no problems with that,
> but Mazda has rejected his request for a new replacement vehicle or refund
> of the purchase price.
>
> The problem is, he and his wife have totally lost confidence in the safety
> of that car, and I can't really blame for that.
>
> Mazda says they've realigned the forward sensors, and had a field
> technician drive it for nearly 500ks, in a range of conditions....
>
> But what happens if the worst happens, and there is an accident.... And I
> can't help thinking this can't be the only vehicle suffering electronic
> system failures of this kind.
>
> I have found some references to AEB/sensor systems misreading situations,
> or reacting to other things in the environment - road signs, metal plates
> on motorways, even cars travelling in opposite direction.
>
> Has there been any work done here or elsewhere which might throw some light
> on the risks?
>
> Thanks for reading, I'll be glad to hear of any suggestions.
>
> We're planning to take a complaint to NSW Fair Trading under Australian
> consumer laws, but my real fear is that this may turn out to be a big
> safety concern on our roads very soon
>
> Regards, Karen Dearne
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-- 

Regards
brd

Bernard Robertson-Dunn
Canberra Australia
email: brd at iimetro.com.au
web:   www.drbrd.com
web:   www.problemsfirst.com