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September 24, 2009 8:40 AM PDT

Honda's U3-X unicycle really for robots

by Candace Lombardi
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Honda on Wednesday unveiled the U3-X, a stool with a unique directional wheel system that allows it to travel diagonally, as well as right, left, forward, and backward.

It's basically a robotic unicycle.

The device is able to readjust itself so that instead of riders having to constantly balance themselves, the robotic unicycle does the compensating.

Honda pointed out in its unveiling video that the U3-X's seat is slightly higher than an average person's waistline, forcing riders to jump up slightly to sit on it and place their feet on a foot rest. This elevated height of the robotic unicycle leaves riders at relative eye level with passing pedestrians while in motion, according to Honda.

It's a nice touch. A common complaint among people in wheelchairs are the social and psychological effects of literally being looked down upon while traveling the world in a sitting position. But requiring the rider to be able to hold upright while on a backless seat clearly disqualifies the U3-X as a wheelchair substitute for many.

And in this age of rising obesity, who among the fitness-conscious is really going to ride the streets on a robotic stool when they can get a little chance at some exercise during their busy day by walking?

It's just one of those things you know no one is really going to buy. So why, then, did Honda unveil the U3-X robotic unicycle?

... Read more
November 7, 2008 9:18 AM PST

Take a load off with Honda's walking aid

by Candace Lombardi
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Honda's new support system can do stairs.

(Credit: Honda)

See all the cool things we'll have to look forward to when we're older?

Honda unveiled another experimental walking-assistant device on Friday that lets people's legs still do the walking while taking take some of the weight off leg muscles and joints. The device looks like a follow-up to another walking aid from Honda shown off earlier this year.

With the latest one, a person steps into the device shoes and leans back into the high seat. Honda does the rest by supporting a large portion of the person's body weight during walking, stair-climbing, or even squatting.

The seat level can be adjusted for different heights. People wear their own shoes and place them into the device shoes. The device is controlled through an individual's body movement with the assisting force from two motors being automatically directed toward the person's center of gravity to maintain balance, according to Honda.

The technology applied to the device grew out of studies Honda research groups did to develop walking techniques for Asimo, its humanoid robot.

Honda announced it will begin testing the device this month at its assembly plant in Sayama, Saitama, Japan.

Originally posted at Crave
Candace Lombardi is a journalist who divides her time between the U.S. and the U.K. Whether it's cars, robots, personal gadgets, or industrial machines, she enjoys examining the moving parts that keep our world rotating. Email her at CandaceLombardi@gmail.com. She is a member of the CNET Blog Network and is not a current employee of CNET.
June 16, 2008 4:02 AM PDT

Honda produces first commercial hydrogen cars

by Candace Lombardi
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Honda has begun the first commercial production ever of a hydrogen fuel cell-powered car.

The Japanese auto manufacturer ceremoniously launched production of its first hydrogen-powered vehicles on Sunday in Tochigi, Japan, and announced its first customers.

The four-door sedan, called the FCX Clarity, runs on electricity from a fuel cell battery that is powered by hydrogen fuel. Steam is the car's only byproduct. The car can get a combined (city and highway driving) fuel efficiency of about 72 miles per kg of H2 which, according to Honda's own estimates, is the equivalent of getting about 74 mpg on a gas-powered car. The car can be driven for about 280 miles before needing to be refueled.

Honda CEO Takeo Fukui drives some of the first people who will lease the Honda's FCX Clarity hydrogen car: actress Laura Harris (front passenger), Southland Industries CFO Jon Spallino (behind her), and film producer Ron Yerxa.

(Credit: Honda Motor)

While many automakers and researchers have prototypes and pilot projects using hydrogen fuel to power fuel cells on electric hybrids, or as a direct fuel source for vehicles with converted engines, there are no hydrogen-powered cars yet available for lease or purchase to the average consumer.

Honda claims it is the first company to have a hydrogen car certified for regular commercial use by the U.S. Environmental Protection Agency.

"This is an important day in the history of fuel cell vehicle technology and a monumental step closer to the day when fuel cell cars will be part of the mainstream," John Mendel, executive vice president of American Honda, said in a statement.

The car was first introduced as a concept vehicle in 2005 at the Tokyo Motor Show.

Starting in July, Honda plans to offer the hydrogen-powered FCX Clarity through a lease program at three dealerships in California: Power Honda Costa Mesa, Honda of Santa Monica, and Scott Robinson Honda in Torrance. Honda also plans to make the cars available in Japan. The cars will be leased on a three-year basis for about $600 per month, according to Honda.

Among the first owners will be actor/author Jamie-Lee Curtis and her husband, filmmaker Christopher Guest of This is Spinal Tap fame.

Of course, hydrogen cars are not going to be widely driven anytime soon. Honda estimates it will lease only about 200 FCX Clarity vehicles over the next three years. In order to qualify for the lease program, would-be owners will have to meet a set of criteria that includes living within range of a hydrogen filling station, according to Honda. As part of the lease, Honda will provide any necessary service or maintenance on the vehicle.

The biggest obstacle in mass market appeal of hydrogen-powered vehicles vs. gas-electric hybrids is where owners could fill up their cars. While the U.S. Department of Energy has been a proponent of hydrogen fuel as an alternative energy for cars, there are currently few hydrogen-fuel filling stations the U.S.

There is also an ongoing debate as to whether hydrogen, a fuel that requires large amounts of electricity to be produced, is truly energy efficient when its entire food chain is taken into consideration.

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About Planetary Gear

In a software-driven world, it's easy to forget about the nuts and bolts. Whether it's cars, robots, personal gadgetry or industrial machines, Candace Lombardi examines the moving parts that keep our world rotating in her blog, Planetary Gear. A journalist who divides her time between the US and the UK, Lombardi has written for the sites of The New York Times, CNET, USA Today, MSN, ZDNet, Silicon.com and Gamespot. Email her at CandaceLombardi@gmail.com. She is a member of the CNET Blog Network and is not a current employee of CNET.

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