Category: Technology

By on May 8, 2011

So, will this MIT-developed “virtual dashboard” render that car you’re about to hit? After all, a three-dimensional representation of the world on your dashboard seems like it would be at least as eye-catching as… you know, reality. And, believe it or not, according to PopSci this is actually a development of a program that was determined to be too distracting. This system, named AIDA 2.0, was developed from

a little robotic dashboard companion called AIDA (for Affective Intelligent Driving Agent), an MIT creation that essentially read a driver’s facial expressions to gauge mood and inferred route and destination preferences through social interaction with the driver. Apparently that was deemed too distracting, so now MIT is back with AIDA 2.0, which swaps the dashboard robot for a massive 3-D interactive map that covers the entire dashboard–because that’s not distracting at all.

By on May 3, 2011

One of the worst things about traffic is that it’s so unpredictable. You can be whizzing along one minute, and crawling with the snails the next. Even the real-time traffic information that a few companies, notably Google, now provide, can be obsolete by the time you’re on your way.But a small cadre of lucky San Franciscans will soon be finding out where the traffic will be before it happens, thanks to a joint project by the California Center for Innovative Transportation (CCIT) at the University of California, Berkeley (my alma mater) the California Department of Transportation, aka Caltrans, and IBM.

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By on May 3, 2011

One of the cool things about the SAE World Congress is that there’s always at least a couple of radical new engine designs. Scuderi was back with their split cycle compressed air hybrid, only this time with a turbo that lets them use a much smaller piston on the intake side, reducing friction. FEV showed an engine optimized for compressed natural gas, with turbocharging, long intake runners, and a piston designed to increase turbulence. Two exhibitors were at the SAE for the first time. Grail Engine Technologies was showing their atmospheric-valve-in-piston engine that routes the induction through the crankcase and up into the combustion chamber.
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By on April 18, 2011

BYD made a big splash a few years back when it became the first Chinese automaker to develop a highway-capable plug-in vehicle. That announcement brought a flurry of publicity and a Warren Buffett investment in the firm, but has yet to translate into real plugin sales success. Now, BYD is making a big splash again, by announcing another first for a Chinese automaker: an in-house, stratified-injection, all-aluminum turbocharged engine with a dual-clutch transmission. The 1.5 liter engine creates 178 lb-ft of torque from 1750-3500 RPMs, according to a BYD release, putting “[power] equivalent to a 2.4 liter gasoline engine” through “an advanced 6-Speed Tiptronic dual-clutch design” transmission. BYD insists that the drivetrain’s technology was developed in-house, but some may point to the firm’s ties to VW as a source of the know-how in China’s first modern engine.

By on April 15, 2011

What keeps powertrain engineers up at night? C’mon, get your mind out of the gutter. The move towards downsized, turbocharged engines is creating a number of new engineering challenges, and “torsional excitations” grabbed the spotlight at this year’s Society of Automotive Engineers Congress. Steven Thomas, manager of Ford’s global transmission and driveline, research and advanced engineering, illuminated the issue [via Wards].

As we reduce the engine torque, particularly just off idle prior to the boost coming on, we’re going to adversely impact the ability to accelerate the vehicle. I would challenge you all to think about new ways of dealing with this. We could really use new designs to deal with these challenges to optimize the fuel economy, but at the same time deal with (noise, vibration and harshness) and performance issues presented by these new engines.

The problem: the increased inertia of forced-induction engines. The practical example: a turbocharged Fiesta. A worthy adversary, a worthy cause. Let’s do this.
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By on April 6, 2011

While we wait for more details coming out of the joint Toyota-Microsoft press conference scheduled for a few hours from now, we thought we’d share some of the more recently-released details. A press release notes that the two firms

have forged a strategic partnership and plan to build a global platform for TMC’s next-generation telematics services using the Windows Azure platform. Telematics is the fusing of telecommunications and information technologies in vehicles; it can encompass GPS systems, energy management and other multimedia technologies.

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By on April 5, 2011

click “CC” for english captions

When DBM Energy, an unknown German “mailbox company,” announced it would attempt a world record for the longest single-charge EV trip, the reaction from observers and industry insiders was nearly universally dismissive. Even when the drive was completed, and DBM’s electrified Audi A2 completed a 600km (373 miles) journey under observation, the skepticism lingered. Then, when the record-setting A2 burnt in a fire, the mystery deepened. Did the enigmatic battery start the blaze (as, a DBM battery apparently already has in a forklift), or, as DBM suggests, did a jealous German OEM try to kill their miracle battery breakthrough with a convenient arson? That puzzle hasn’t been hashed out, but according to AutoBild, Germany’s Bundesanstalt für Materialforschung und -prüfung (Federal Institute for Materials Research and Testing) as well as the Ministry of Industry have tested the DBM battery for

extreme climate and air pressure changes, electrical short circuits, overloading or incorrect polarity and to mechanical influences such as vibration, shock and impact

The result? It’s safe! DBM has also made a 454km (282 miles) journey this month in a battery with less capacity than the world record-setting pack. More testing will be done, but it seems that DBM is on to something with its “miracle battery,” and the German automakers may yet be forced to abandon their long-held preference for hydrogen fuel cells.

By on April 1, 2011

All Japanese car companies need a little good news to cheer them up. Honda has reason to smile a little. Honda’s business jet in Greensboro, NC, is a step further to production. Honda says its first FAA-conforming HondaJet light business jet achieved a maximum speed of 489 mph at 30,000 ft. and a maximum Mach number of 0.72 above 30,000 ft.  This exceeds Honda’s performance commitment of 483 mph for the production HondaJet. Read More >

By on March 23, 2011

Quoth Thilo Koslowski [via AN [sub]], principal automotive analyst at Gartner Research (and coiner of TTAC’s favorite new phrase, “the trough of disappointment”):

First of all, the car doesn’t really make a good personal computer, and, secondly, consumers don’t have to have a PC on four wheels. Ultimately, any type of Internet access in the future has to support the ownership experience of the vehicle; this is not about enabling me to have the same experience I have on my laptop

Which is precisely why we find Nokia’s “Terminal Mode” protocol so compelling: it “lets cars be cars again.”

By on March 19, 2011

We love staying ahead of the curve with new engine technologies like the Ecomotors OPOC engine, but without an engineering degree it can be hard to tell the the posers from the next big thing. So when something like the Wave Disc engine comes along, we throw ourselves upon the collective wisdom of our Best and rightest to help us make sense of it. In the video above, the Wave Disc engine’s creator, Michigan State’s Norbert Muller, explains his invention and its benefits including simplicity, light weight and efficiency. And, he claims, the technology is close enough to reality to have a Wave Disc-electric hybrid within three years. Hit the jump for more technical details, and be sure to let us know if this is worth watching or just another engineering dead-end.
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By on March 18, 2011

With the proliferation of in-car connectivity systems like SYNC, MyLink, MyFordTouch, Blue&Me, etc, the ability of a car to play MP3s, read out text messages and update social media accounts has surpassed such traditional attributes as power, efficiency and handling for many car buyers. And though many of these OEM-branded systems are underpinned by identical software architectures from Microsoft or Garmin, they are taking an ever-more important place in the marketing of new cars. Differentiating these differentiators, then, takes a huge amount of development effort on the part of automakers and their suppliers, and the result is another electronic system with the potential to go out of date with the same speed as a cellular phone. Wouldn’t it be smarter to just create an open-standard connection between your phone and your car so that you don’t need to replace your car when its onboard connectivity electronics go out of date? That’s the goal of the Car Connectivity Consortium, which is aiming to explode the OEM-branded in-car connectivity model.
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By on March 14, 2011

From Hybrids and plug-ins to direct-injection and HCCI, a number of new technologies hold the promise of ever-cleaner automobiles. But what if, by solving existing pollution problems with these new technologies, we create new pollution problems? That’s what the Health Effects Institute’s Special Committee on Emerging Technologies (SCET) looked into in its “Communication 16,” titled The Future of Vehicle Fuels and Technologies: Anticipating Health Benefits and Challenges [via GreenCarCongress, PDF here]. The findings? Gas Direct Injection (GDI) may improve efficiency, but particulate matter (PM) emissions are still a serious concern. Urea exhaust treatment systems for “clean diesel” engines

gives rise to concerns regarding the formation of nitrogen-containing compounds, including nitro-PAHs, in emissions and possibly other toxic compounds.

EVs have their own issues, including electromagnetic field (EMF) radiation and the possible introduction of battery materials into the environment through production or crashes. Both fuels with more than ten percent ethanol (E15, E20, E85) and biodiesel (B20) have not been sufficiently studied for exhaust pollutants. And even in “regular” gas, the use of metallic additives has not yet been fully tested for health risks. As a result of all of these untested effects of new automotive technologies, the HEI’s Research Committee will begin study of tailpipe emissions from vehicles using GDI, Urea exhaust treatment and biofuels, and will also study the toxicity of lithium and other battery components used in hybrid and electric vehicles. hopefully they’ll find that the cure isn’t worse than the disease…

By on March 11, 2011

A year ago we reported on a study by the Center for Automotive Embedded Systems Security, which showed that the proliferation of eletronics systems in modern auomobiles left them vulnerable to hacks through the OBD-II port, leading to such scary lessons as

Much to our surprise, significant attacks do not require a complete understanding or reverse-engineering of even a single component of the car.

But, the results of that study were dependent on gaining physical access to a car’s OBD port. This year, the UC San Diego and University of Washington academics behind CAESS took their research a step further, exploring how hackers could compromise cars without ever gaining physical access to them. Researchers bought a 2009-model-year vehicle of undetermined make, and attempted to hack into it. One of their findings: cellular-enabled assistance programs like GM’s OnStar and Toyota’s SafetyConnect unsurprisingly leave vehicles especially vulnerable.

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By on February 23, 2011

Start the video, then click on the 3D button in the menu bar to select 3D or 2D format. You can also select resolution up to 1080p HD. Video courtesy of Ford Motor Company and Cars In Depth, where you can also find 3D images of Ford’s VR lab.

With a big push from the film, computer, video game, camera, and television set industries, 3D seems poised to become rather commonplace, particularly when passive display panels requiring no special eyeglasses will soon be at consumer level price points in just a year or so, I’d say. Some of the most sophisticated 3D technology in use today, though, is not in use in Hollywood, California, or Redmond, Washington, it’s in places called Dearborn, Auburn Hills and Warren, Michigan. The domestic automakers were early adopters of advanced computer aided design and manufacturing (CADCAM) as well as advanced computer imagery. They have some of the the most advanced tools available today and some of the most skilled and creative engineers and designers who develop and use those tools. Virtual reality is one of those tools. By projecting a realistic holographic or stereo display, stylists and exterior designers can get an accurate perspective on how their ideas will look without having to make time consuming and expensive scale and full size models. I think it’s pretty understandable that car companies would use 3D and VR for exterior design studies. Perhaps even more valuable to automakers, though, is how stereo image technology can be used in the interior design and engineering of modern cars.
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By on February 22, 2011

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