Anyone who’s seen James Cameron’s Aliens cannot forget the images of 1.) Ripley in a cargo-loader exoskeleton, and 2.) Vasquez prowling the corridors with that body-mounted machine gun on the swing arm. That was back in 1986; now it’s 2013, and not only have these designs actually come to pass, but they’ve been combined. As we previously reported , Lockheed Martin licensed a company called Ekso Bionics’ technology to develop the HULC , or Human Universal Load Carrier. It’s got the power-assist legs and the body-supported gun mount: While Ekso Bionics is targeting the consumer market, enabling paraplegics to walk again, Lockheed has initially gone military. However, they’re reportedly creating a version of the HULC called the Mantis, for industrial applications. As Bloomberg News reports , The machines may follow a classic arc from Pentagon research project to fixture on an assembly line, similar to the development of lasers, said Paul Saffo, managing director of foresight at investment advisory firm Discern in San Francisco. “The medical devices get the most attention, the military funds it and the first mass application is industrial,” Saffo said in a telephone interview. [Mantis is aimed at] any industry in which workers must hold heavy equipment that can cause fatigue and back injuries…. Mantis has a mechanical extension for a wearer’s arm and absorbs the strain from hefting a grinder or sander, [Lockheed business development manager Keith] Maxwell said. Tests found productivity gains of more than 30 percent, he said, and wearers showed their Macarena footwork to demonstrate the suits’ flexibility. “It turns workers away from being a weightlifter and into a craftsman,” Maxwell said. I’m all for Construction Worker Exoskeletons—as long as the power tools are not integrated, but remain separate objects that you pick up. Because once they start replacing the user’s hands with built-in angle grinders and magazine-fed nail guns, we’re going to have a problem. Last year, I watched a construction worker fight a cabdriver in front of my building; the hack didn’t stand a chance. The last thing I want to see is an angry frame carpenter tramping off the jobsite in one of these things, ready to settle someone’s hash with his Forstner-bit fingers and chopsaw hands. (more…)
Tag: never-sleeps
Holy Cow: Christian von Koenigsegg Invents “Free Valve” Engine That Requires No Camshaft
Why won’t the internal combustion engine die? To oversimplify the issue, it’s partly because of its incumbency and partly because it’s very good at what it does. Environmentalists hate it because it’s dirty, and while some engineers pursue alternate energy forms, there are still plenty of smart people tweaking the internal combustion engine to make it less dirty, more efficient, and more powerful. One person in the latter category is Christian von Koenigsegg , the rather brilliant inventor behind the Swedish supercar skunkworks that bears his name. Anyone with a basic understanding of how engines work is bound to be impressed by von Koenigsegg’s latest breakthrough: He’s developed an engine with no cams. With a conventional engine, the valves are driven by cams that are necessarily egg-shaped, with each cam driving its attendant valve stem into its deepest extension at the pointiest part of the egg as the cam rotates on the camshaft. Simple physics dictate this be a gradual process; because of the egg shape the valve gradually opens, maxes out, and gradually closes. If a cam was shaped like an off-center square, for instance, the valve stem would break on the corners. With von Koenigsegg’s radical “Free Valve” engine design, the valves operate independently and electronically to depress/open, while a mechanical spring returns them to the closed position. This means the valves quickly slam open, allowing fuel to flood the combustion chamber, then quickly slam shut. Ditto for the exhaust valves. So fuel is not gradually seeping in and exhaust is not gradually seeping out—it’s going BAM in, BAM out. The benefits? The engine is much smaller, of course, requiring no camshaft or timing belt. On top of that they’re projecting 30% less fuel consumption, 30% more torque, 30% more horsepower, and a staggering 50% less emissions. In the video below, von Koenigsegg walks you through it: (more…)
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Holy Cow: Christian von Koenigsegg Invents “Free Valve” Engine That Requires No Camshaft
The PhoneJoy Play: A Gaming-Geek Device Makes a Larger Comment About the Shortcomings of Touchscreen Interface Design
Whether or not you’re interested in videogames, this device is kind of fascinating from an industrial design/interface design point of view. The PhoneJoy Play is essentially a portable input device with a slick mechanical design: The two holdable halves can spread sideways, connected by a telescoping mechanism. Your smartphone or mini-tablet can then be “docked” in the middle, and the variety of buttons and motion pads interact with your device wirelessly. (more…)
Must-See Video: Real-Time English-to-Mandarin Speech Translation via Microsoft Research
As you might have noticed, we’ve had quite a bit of Asian design coverage lately (with a few more stories to come): between the second annual Beijing Design Week , a trip to Shanghai for Interior Lifestyle China and last week’s design events in Tokyo , we’re hoping to bring you the best of design from the Eastern Hemisphere this fall. Of course, I’ll be the first to admit that our coverage hasn’t been quite as quick as we’d like, largely due to the speed bump of the language barrier. At least two of your friendly Core77 Editors speak passable Mandarin, but when it comes to parsing large amounts of technical information, the process becomes significantly more labor-intensive than your average blogpost… which is precisely why I was interested to learn that Microsoft Research is on the case. In a recent talk in Tianjin, China, Chief Research Officer Rick Rashid (no relation to Karim) presented their latest breakthrough in speech recognition technology, a significant improvement from the 20–25% error of current software. Working with a team from the University of Toronto, Microsoft Research has “reduced the word error rate for speech by over 30% compared to previous methods. This means that rather than having one word in 4 or 5 incorrect, now the error rate is one word in 7 or 8.” An abridged transcript of the talk is available on the Microsoft Next blog if you want to follow along: In the late 1970s a group of researchers at Carnegie Mellon University made a significant breakthrough in speech recognition using a technique called hidden Markov modeling which allowed them to use training data from many speakers to build statistical speech models that were much more robust. As a result, over the last 30 years speech systems have gotten better and better. In the last 10 years the combination of better methods, faster computers and the ability to process dramatically more data has led to many practical uses. Just over two years ago, researchers at Microsoft Research and the University of Toronto made another breakthrough. By using a technique called Deep Neural Networks, which is patterned after human brain behavior, researchers were able to train more discriminative and better speech recognizers than previous methods. Once Rashid has gotten the audience up to speed, he starts discussing how current technology is implemented in extant translation services (5:03). “It happens in two steps,” he explains. “The first takes my words and finds the Chinese equivalents, and while non-trivial, this is the easy part. The second reorders the words to be appropriate for Chinese, an important step for correct translation between languages.” Short though it may be, the talk is a slow build of relatively dry subject matter until Rashid gets to the topic at hand at 6:45: “Now the last step that I want to take is to be able to speak to you in Chinese.” But listening to him talk for those first seven-and-a-half minutes is exactly the point : the software has extrapolated Rashid’s voice from an hour-long speech sample, and it modulates the translated audio based on his English speech patterns . Thus, I recommend watching (or at least listening) to the video from the beginning to get a sense for Rashid’s inflection and timbre… but here’s the payoff: (more…)
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Must-See Video: Real-Time English-to-Mandarin Speech Translation via Microsoft Research
Surprising News About Bicycle-Powered Electricity Generators
That hourglass-shaped device is the PowerPac, an energy storage device meant to be powered by a human on a stationary bicycle. Conceived of by South African design firm Ideso , the PowerPac won a Red Dot Design Award in the “Best of the Best” category. “Our aim was to create an aesthetically pleasing, user-friendly and functional design that marries the fluidity of cycling with dynamic power generation,” says Ideso MD, Marc Ruwiel. “It can be used by avid cyclists who can reduce CO2 emissions and generate their own electrical power, while enjoying a good workout at home.” I’m all for people-powered electricity generators, and I would’ve loved to have one of these during the recent blackout, but something struck me in the copy: “…An average cyclist could fully charge the battery from empty with 80 minutes of cycling and 132Wh of charge/potential energy can be stored in the battery.” The “Wh” designation stands for watt-hour , and “132Wh” means you could power a 132-watt device for 1 hour. For 80 minutes of cycling to yield, say, just over two hours of light from a 60-watt bulb sounds like a low yield, doesn’t it? My first thought was, can that be right? I did a little digging, and here’s what I found. It turns out hooking a bicycle up to something that directly powers a mechanical device is a fairly efficient way to generate energy. Rig a bicycle up to drive a sewing machine or a hand mixer and you get decent bang for your buck. But the second you get batteries and electricity involved, the efficiency drops way, way off. An article in Low-tech Magazine called ” Bike powered electricity generators are not sustainable ” explains why: …Generating electricity is far from the most efficient way to apply pedal power, due to the internal energy losses in the battery, the battery management system, other electronic parts, and the motor/generator. These energy losses add up quickly: 10 to 35 percent in the battery, 10 to 20 percent in the motor/generator and 5 to 15 percent in the converter (which converts direct current to alternate current). The energy loss in the voltage regulator (or DC to DC converter, which prevents you from blowing up the battery) is about 25 percent. This means that the total energy loss in a pedal powered generator will be 42 to 67.5 percent…. And it even turns out that the bicycle itself has mechanical inefficiencies that suck up more energy: (more…)
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Surprising News About Bicycle-Powered Electricity Generators