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Tag: Waymo/Google
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VIDEO5:2505:25Self-driving Waymo minivans are now available on Lyft in ArizonaSquawk BoxWaymo, a subsidiary of Google-parent Alphabet which is developing autonomous vehicles and related services, has officially expanded its reach and is now making some of its self-driving minivans available for customers of ride-share firm Lyft.
The rides are restricted to a small area just outside of Phoenix, Arizona, where Waymo has been testing self-driving vehicles and has started its own autonomous ride-share service called Waymo One.
Waymo's limited partnership with Lyft is the latest example of the company branching out to work with more companies as it develops autonomous vehicles and services. Earlier this month, Waymo struck a deal with Nissan and Renault to build self-driving vehicles for those automakers.
By partnering with Lyft, Waymo CEO John Krafcik believes the relationship gives both companies “the opportunity to collect valuable feedback.” For Waymo it will be able to better gauge how the public interacts with a self-driving vehicle. Until now, those getting rides in Waymo vehicles in the Phoenix area have been pre-screened and accepted into the Waymo early rider program.
Waymo's steady expansion comes as competitors are making their own plans to roll autonomous ride-share services. Later this year, General Motors subsidiary Cruise, is expected to unveil an autonomous ride-share service in a small area in or near San Francisco.
Uber, which dominates the ride-share industry in the U.S., is also working on its own fleet of self-driving vehicles. Earlier this month, Eric Meyhofer, the head of Uber's Advanced Technologies Group, told CNBC his company is working to deploy self-driving cars without safety drivers in limited areas. But he said Uber wants to be in “the good graces of public trust and regulatory trust” before deciding when to roll out Uber vehicles without someone behind the wheel.
Michelle Krebs, an analyst for Autotrader, believes widespread deployment of self-driving vehicles, whether in a ride-share program or elsewhere, is still years from happening.
VIDEO6:1806:18Tesla could surprise to the upside with autonomous driving: AnalystTrading Nation “Nobody knows the right answers technically, and certainly, nobody knows the right answer for building a business model,” she said. “So I think there is going to be a lot of partnering up, changing partners, and figuring out strategies before this settles out, and I think that's a way down the road.”
For now, Waymo is making just a handful of its vehicles available in the Phoenix area and eventually, up to 10 Waymo self-driving minivans will be eligible for Lyft rides. The service will be limited to those Lyft customers planning to start and complete a ride within the geofenced area where Waymo vehicles have been operating.
When Lyft customers in certain suburbs of Phoenix call up the app on the phone and look for a ride, they will be offered the chance to be shuttled in a Waymo autonomous-drive minivan or a traditional Lyft vehicle with a human driver. The Waymo minivans in the Lyft program will all have a safety driver behind the wheel.
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If GM/Cruise Is Way Behind Waymo, How Does It Compare To Tesla?
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Published on June 20th, 2019 |
by Michael Barnard
If GM/Cruise Is Way Behind Waymo, How Does It Compare To Tesla?
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June 20th, 2019 by Michael Barnard
First part by Zach Shahan. Second part by Mike Barnard.
A report recently came out, via leaked documents, that supposedly put GM/Cruise way behind Waymo in autonomous driving.
“In particular, the report states that the forecast is that Cruise will, by the end of 2019, have a vehicle that performs at between 5% and 11% of the safety level of average human driving, when it comes to frequency of crashes. As such, Cruise will miss its 2019 goal of deploying a commercial service, though it might deploy one with safety drivers.”
Further, “more than 3 years prior, Google/Waymo was far surpassing what the leaks say about Cruise, and the difficulty of SF streets seems not nearly enough to account for that.
“Waymo stopped reporting this way, sadly. One can only presume record has gotten better in the last 3.5 years, and that it reached a particularly high level when management — and I presume this means the board of Alphabet itself — approved even limited operation without safety drivers in Arizona.”
We’ve seen reports, including one from Navigant Research, that basically put Waymo and GM tied at the top of this industry. It looks like any such evaluation is actually far off the mark. Interestingly, that Navigant Research report also puts Tesla near the bottom. I’ve previously discussed this on two-episode podcast with ARK Invest autonomy expert Tasha Keeney. What it comes down to, seemingly, is that Tesla has a very different approach from companies like Waymo and Cruise, and Navigant (and others) have their own particular measurement systems that don’t combine the vastly different approaches very well.
As discussed on that podcast, Mike Barnard once wrote an article for us (in 2015) explaining the vastly different approaches to self-driving between Tesla and Waymo. It still comes to mind frequently, so in light of the Cruise news, I thought I’d share it again.
Mike, take it over from here …
Tesla recently released its Autopilot mode for its cars. It has a fundamentally different intellectual approach to autonomy than Google’s, and it’s superior.
One of my backgrounds is robotics. I spent a year digging my way through PhD theses from robotics programs around the world as I worked on a startup idea for specific applications of swarm-based robots. We got as far as software architecture, simple simulations, 3D modelling of physical robots, and specific applications which had fiscal value. I have some depth here without pretending to be a roboticist, and I’ve continued to pay attention to the field from the outside.
So I feel comfortable in saying that, in general, there are two approaches for robots getting from Point A to Point B.
→ The first is the world map paradigm, in which the robot or a connected system has a complete and detailed map of the world and a route is planned along that in advance accounting for obstacles. Basically, the robot has to think its way past or over every obstacle, which makes for a lot of programming.
Yes, that’s a cat in a shark costume riding a Roomba. Screenshot from TexasGirly1979 video.
→ The second is the subsumption architecture paradigm, in which a robot is first made so that it can survive environments it will find itself in, then equipped with mechanisms to seek goals. The robot then, without any idea of the map of the world, navigates toward Point B. The robot is robust and can stumble its way through obstacles without any thinking at all. The original Roomba vacuum cleaner was a pure subsumption beast.
Obviously, both have strengths and limitations and obviously, at least to me, a combination is the best choice, but it’s worth assessing Tesla’s vs Google’s choices based on this.
Google is starting from the full world map paradigm. For one of its cars to work, it needs an up-to-date centimetre-scale, 3D model of the entirety of the route it will take. Google’s cars are ridiculously non-robust — by design — and when confronted with something unusual will stop completely. Basically, all intelligence has to be provided by people in the lab writing better software.
Why would Google start with this enormous requirement? Well, in my opinion without having spoken to any of the principals in the decision, it’s likely because it fits their biases and blindspots. Google builds massive data sets and solves problems based on that data with intelligent algorithms. They don’t build real-world objects. And the split I highlighted above in world map vs subsumption paradigms is a very real dividing line in academics and research around robotics. It was very easy for Google and world view robotics researchers to find one another and confirm each others’ biases. Others assert that Google is taking a risk-averse approach by leaping straight to Level Four autonomy, and while I’m sure that’s a component of the decision-making process, I suspect it’s a bit of a rationalization for their biases. It’s also being proved wrong by the lack of Tesla crashes to date, but it is early days.
To be clear, Google cars can do things Teslas currently can’t, at least in the controlled prototype conditions that they are testing. They can drive from Point A to Point B in towns and regions that Google has mapped to centimetre scale, which is basically areas south of San Francisco plus a few demo areas. You can’t get in a Tesla, give it an address, and sit back. These are clear performance advantages of the Google model over current Tesla capabilities, and while not trivial, are enabled by the world map model.
Tesla, on the other hand, is starting with the subsumption model. First, the car is immensely capable of surviving on roads: great acceleration, great deceleration, great lateral turning speed and precision, great collision survivability. Then it’s made more capable of surviving. All the car needs to drive on the freeway is knowledge of the lines and the cars around it. Then it adds cameras to give it a hint about appropriate speed. It has only a handful of survivability goals: don’t hit cars in front of you, don’t let other cars hit you, stay in your lane, change lanes when requested, and it’s safe. Because of its great maneuverability — survivability — it can have suboptimal software because it is more able to get out of the way of bad situations. And it has human backup.
And if that’s where Tesla was stopping, everyone who is pooh-poohing its autonomy would be basically correct. But Tesla isn’t stopping there.
Tesla is leveraging intelligent real-world research assistants to put focused, experienced instincts into its cars. They are called the drivers of the Teslas. Every action the Autopilot makes and every intervention a driver makes is uploaded to the Tesla Cloud, where it’s combined with all of the other decisions cars and drivers are making. And every driver passing along a piece of road is automatically granted the knowledge of what the cars and drivers before them have done. In real time.
So, for example, within a couple of days of downloading, Teslas were already automatically slowing for corners that they took at speed before. And not trying to take confusingly marked offramps. And not exceeding the speed limits in places where the signs are obscured.
Within a couple of days of being available, the first people “cannonballed” across the USA in under 59 hours with 96% or so of the driving done by the car. Given Google’s requirements, they would have had to send at least two cars out, one or more with a hyper-accurate mapping functionality, then a day or a week later, when the data was integrated, the actual autonomous car. And there would have been no chance of side trips or detours for the Google car. It literally couldn’t drive on a route that wasn’t pre-mapped at centimetre scale. But the Tesla drivers could just go for it.
People are driving Teslas on back roads and city streets with Autopilot, definitely not the optimum location-only situations that others claim Tesla is limited to. And Teslas haven’t hit anything; in fact, have been recorded as avoiding accidents that the driver was unaware of. Survivability remains very high.
Tesla cars are driving themselves autonomously in a whole bunch of places where Google cars can’t and won’t be able to for years or possibly decades. That’s because Teslas don’t depend on perfect centimetre scale maps that are up-to-date in order to do anything. Subsumption wins over world maps in an enormous number of real-world situations.
Finally, Teslas have a world map. It’s called Google Maps. And Tesla is doing more accurate mapping with its sensors for more accurate driving maps. But Teslas don’t require centimetre-scale accuracy in their world map to get around. They are just fine with much coarser-grained maps which are much easier to build, store, manipulate, and layer with intelligence as needed. These simpler maps combined with subsumption will enable Teslas to drive from Point A to Point B easily. They can already drive to the parkade and return by the themselves in controlled environments; the rest is just liability and regulations.
The rapid leaps in capability of the Autopilot in just a few days after release should be giving Google serious pause. By the time its software geniuses get the Google car ready for prime time on a large subset of roads, Teslas will be able to literally drive circles around them.
About the Author
Michael Barnard is Chief Strategist with TFIE Strategy Inc. He works with startups, existing businesses and investors to identify opportunities for significant bottom line growth and cost takeout in our rapidly transforming world. He is editor of The Future is Electric, a Medium publication. He regularly publishes an..
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