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Old 05.09.2017, 17:00
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Re: The Brexit referendum thread: potential consequences for GB, EU and the Brits in

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The problem with the test is, it must be repeatable and each run must be identical. Thus it can't involve humans behind the steering wheel, for instance, or go on an actual tour.

Using non-identical conditions (for instance by using averags of actual tours with a person behind the wheel) opens up the whole thing to even more manipulation.

That may be resolvable soon-ish with self-driving cars but even then you may be able to design your software to recognise the situation. For instance a machine may keep the gas pedal much more steadily than a human driver. So once the software recognises that, it may again switch to "test mode".

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On a self-driving car, the software design is part of the car design. So it should also be part of the test.

So rather than saying this car needs this many liters per this many km, you say, on average and leaving a defined location in Zürich at 4pm on a work day with a payload of 110kg, this car needs this much petrol to get to a defined location in Bern. The standard deviation is this much. The bad to good weather coefficient is this much. The air conditioning is this much extra. If you have a window open its this. Anything the software does is part of the car's engieering. So if you have a very efficient engine but a very stupid software, so what? The car is not efficient and the manufacturer should be honest about it or fix it. And because the car is self driving, there is no longer a difference between grandad's style and the boy racer's style. Much more difficult to manipulate. Statistics could be collected from real cases rather than artificial situations.
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