Page 13 - EE Times Europe Magazine – June 2024
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                                         The Autonomous Car Industry in 2024: Sensors, Software and Safety

















                                                                                           Thanks to improvements
                                                                                           in-car connectivity, onboard
                                                                                           hardware capabilities, and
                                                                                           a global shift in consumer
                                                                                           preferences toward subscrip-
                                                                                           tion models, the SDV market
                                                                                           is set to grow at 34% CAGR
                                                                                           between 2023 and 2034.
                                                                                           (Source: IDTechEx)


        such information, a connected car could react   driving without a single disengagement. By   they be better than every human driver? But
        appropriately to the location and movement   comparison, IDTechEx estimates that human   how would that be defined? A 17-year-old
        of every pedestrian, cyclist and vehicle on the   drivers in the U.S. are involved in collisions   with a fresh license may never have crashed,
        road around it, including those beyond its   approximately once per 200,000 miles, and in   i.e., one collision per infinity miles.
        line of sight. Combine collective perception   cities like San Francisco, this rate nearly dou-  Complicating matters is that the true safety
        with a responsible autonomous driver, and a   bles. So perhaps the argument can be made   record for human driving is not fully known.
        country full of such cars could end road traffic   that autonomous cars are already safer than   Not all collisions are reported, and not all
        accidents altogether.               human drivers.                      dangerous situations or near-misses end in
          This scenario is, of course, a long way   On the other hand, a look through the data   collisions. The industry just about has a grasp
        off; autonomy on the roads is in the early   on driverless autonomous cars (without a   of how safe the average person is by mea-
        days, and collective perception is a univer-  safety driver on board) reveals that, on average,   suring the rate at which people crash, cause
        sity research project. However, autonomous   a driverless Waymo is involved in collisions   injuries and cause fatalities. However, insuffi-
        vehicles are already starting to show their   once every 52,000 miles. Cruise fairs slightly   cient data exists to understand human driving
        potential safety benefits.          better, with one collision per 63,000 miles. So,   safety across the full spectrum of abilities to
                                            they are colliding at roughly twice the rate   the same depth as autonomous driving safety.
        SAFETY                              of average San Franciscan drivers. But again,   It was important to show with data and
        In October 2023, California ordered General   this is not the whole story. Out of 33 recorded   numbers that AVs could exceed the driv-
        Motors to remove its driverless Cruise cars   collisions involving a driverless Cruise vehicle,   ing standards of the average human driver.
        from state roads, stating that GM had “mis-  blame can only be attributed to the auton-  However, to go beyond this and show that
        represented” the safety of the technology. It   omous driving system in six cases, which   autonomous cars are safer than any human
        is clear from this incident and others that AV   equates to once per 344,000 miles. Likewise,   driver, the benchmark will need to change or
        safety claims will always and should always   Waymo’s autonomous driving system could   evolve. Even beyond near misses, there are
        be subject to public scrutiny. This is not to   be held responsible roughly for five collisions,   many metrics that could be used to better
        disparage AVs or their safety, however. Rather,   equating to one per 238,000 miles. So by this   understand human driving safety, such as how
        public oversight should be undertaken not   metric, autonomous drivers are once again   often drivers go through red lights, how often
        with the motivation to eliminate autonomous   safer than the average human driver.   they tailgate, how often they disobey traffic
        cars but with the intent to improve them.   Another metric that should be considered   rules, how often they exceed speed limits and
          Unlike accidents involving human drivers,   is the rate at which fatalities and serious inju-  many more. With these metrics, the indus-
        the intelligence gathered on a single AV   ries occur with AVs. Once again, this is lower   try could better understand human driving
        collision can generate improvements that can   for AVs than for human drivers.  performance and make solid comparisons to
        be rolled out via over-the-air updates to the   However, there is a big issue with how   build a case that AVs are safer.
        entire fleet. In this case, a collision provides   this discussion is framed, and it concerns   Between sensors, software and safety, it is
        an opportunity to prevent that type of colli-  the “average” human driver. Clearly, human   an exciting time for the automotive industry.
        sion from ever happening again, something   driving proficiency is a spectrum, encom-  The advent of AVs in recent years is an era-
        far beyond the capabilities of human drivers.   passing those who are incapable of staying   defining moment. In 100 years’ time, exam-
          By all metrics, the safety of AVs is improv-  below the speed limit and off their phones,   ples of today’s autonomous cars and robotaxis
        ing. The data from California shows as much.   the super-vigilant types who have never had   will be exhibited in museums as part of the
        Going back to 2015, when records were first   an accident, and everyone in between. The   story of how the automotive industry followed
        kept, autonomous cars would barely make it   question, then, is with which human drivers   a pathway to infallible road safety. ■
        1,000 miles without the safety driver behind   an autonomous car should be compared. Are
        the wheel intervening. Fast forward to 2023,   autonomous drivers safe enough when they   James Jeffs is senior technology analyst at
        and Cruise submitted 576,000 miles worth of   are safer than 90% of human drivers? Should   IDTechEx.


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