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Delphi’s cross-country trip, and a raft of other robocar news

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31 March 2015



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DelphiThere has been a ton of robocar news in the last four weeks. Below is just a small subset of the now constant stream of news items and articles that appear about robocars.

Delphi has made waves by undertaking a road trip from San Francisco to New York in their test car, which is equipped with an impressive array of sensors. The trip is now underway, and on their page you can see lots of videos of the vehicle along the trek.

The Delphi vehicle is one of the most sensor-laden vehicles out there, and that’s good. In spite of all those who make the rather odd claim that they want to build robocars with fewer sensors, Moore’s Law and other principles teach us that the right procedure is to throw everything you can at the problem today, because those sensors will be cheap when it comes time to actually ship — especially for those who say they won’t ship for a decade.

At the same time, according to Kristen Kinley at Delphi, their test involves mostly highway driving, with very minimal urban street driving. They are attempting off-map driving, which is possible on highways due to their much simpler environment. Like all testing projects these days, there are safety drivers in the cars ready to intervene at the first sign of a problem.

Delphi is doing a small amount of dedicated short-range communications (DSRC) vehicle-to-infrastructure testing as well, though this is only done in Mountain View where they used some specially installed roadside radio infrastructure equipment.

Delphi is doing the right thing here — getting lots of miles and different roads under their belt. This is Google’s giant advantage today. Based on Google’s announcements, they have more than a million miles of testing in the can, and that makes a big difference.

Hype and reality of Tesla’s autopilot announcement

Telsa has announced they will do an over-the-air upgrade of car software in a few months to add autopilot functionality to existing models that have sufficient sensors. This autopilot is the “supervised” class of self driving that I warned may end up being seen as boring. The press have treated this as something immense, but as far as I can tell, this is similar to products built by Mercedes, BMW, Audi and several other companies, and even sold in the market (at least for traffic jams) for a couple of years now.

The other products have shied away from doing full highway speed in commercial products, though rumours exist of it being available in commercial cars in Europe. What is special about Tesla’s offering is that it will be the first car sold in the US to do this at highway speed, and they may offer supervised lane change as well. It’s also interesting that, since they have been planning this for a while, it will come as a software upgrade to people who bought their technology package earlier.

UK project budget rises to £100 million

What started with a £10 million pound prize in the UK has grown become over 100m in grants in the latest UK budget. While government research labs will not provide us with the final solutions, this money will probably create some very useful tools and results for the private players to exploit.

MobilEye releases their EyeQ4 chip

MobilEye from Jerusalem is probably the leader in automotive machine vision, and their new generation chip has been launched, but won’t show up in cars for a few years. It’s an ASIC packed with hardware and processor cores aimed at doing easy machine vision. My personal judgement is that this is not sufficient for robocar driving, but MobilEye wants to prove me wrong. (The EQ4 chip does have software to do sensor fusion with LIDAR and Radar, so they don’t want to prove me entirely wrong.) Even if they are not good enough on their own, ME chips offer a good alternate path for redundancy.

Chris Urmson gives a TED talk about the Google Car

Talks by Google’s team are rare — the project is unusual in trying to play down its publicity. I was not at TED, but reports from there suggest Chris did not reveal a great deal new, other than repeating his goal of having the cars be in practical service before his son turns 16. Of course, humans will be driving for a long time after robocars start becoming common on the roads, but it is true that we will eventually see teens who would have gotten a licence never get around to getting one. (Teens are already waiting longer to get their licences, so this is not a hard prediction.)

The war between DSRC and more wifi is heating up.

Two years ago, the FCC warned that since auto makers had not figured out how to benefit from the DSRC spectrum at 5.9ghz, it was time to repurpose it for unlicensed use, like more WiFi. There is now a bill to force this proposition.

I think this would be the best thing ever for V2V, and I outlined 2 years ago how doing V2V in phones instead of cars is far more likely to get success. Phones are replaced every two years with a whole new generation, and smartphones are already in 75% of cars in the USA. V2V, even under a mandate, won’t get close to that until after 2030, and by that time it will be 15-year-old technology, long obsolete.

Google Airbags on the outside

A Google patent for placing airbags of a sort on the outside of vehicles to protect others has gotten a lot of press. While I was working at Google, I started the push for this (though the design in the patent is not mine.) I’m glad to see more investigation of it, though. The reality, as everybody knows, is that perfection is not possible, so planning for the hopefully small number of inevitable accidents and mitigating them is the right strategy.

Nvidia

For the past year, Nvidia has been pitching their latest Tegra GPU in the mobile space. They argue that a general purpose chip with very high power, thanks to their giant research budget, will produce better results than a dedicated machine vision chip from a smaller company like MobilEye that takes several years between generations. As a result, they put a big focus on automotive and self-driving at their recent GPU conference. I was in Europe and unable to attend.

More news from China

Reports suggest that Chinese internet companies Baidu and Tencent (WeChat) are starting robocar projects. (Previously Baidu provided some maps for BMW’s projects.) I’ve spoken at a couple of events for Baidu and encouraged this direction. Details are scarce though, and there is some speculation this is more in the “smart” car direction (similar to Tesla) than a full robocar. We should note that the legal situation in China is a lot different, and these large companies might be able to easily get more advanced products to be declared legal well before those in other countries can.

BMW crash

A BMW driver testing night vision collision avoidance systems crashed into a police van in Stuttgart. This was not a robocar, and of course it is amusing that if you have a crash, you might as well do it into a speeding police van! It does raise issues about risks of testing things with safety drivers — in this case, perhaps the test driver was distracted by his testing and didn’t pay enough attention to the environment. Most of the supervised class vehicles being developed today require the driver to keep paying attention, something that Google has decided not to pursue.

This article first appeared on robocars.com.



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Brad Templeton, Robocars.com is an EFF board member, Singularity U faculty, a self-driving car consultant, and entrepreneur.
Brad Templeton, Robocars.com is an EFF board member, Singularity U faculty, a self-driving car consultant, and entrepreneur.





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