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We worry a lot about Moore’s Law running out of gas right about now. Now comes former AMD CEO Hector Ruiz with this piece on Harvard Business Review’s blog: “There, however, is a possible “off-ramp” to Moore’s Law that offers [...]
LOS ANGELES–So often, we get ahead of ourselves a consuming public, especially when it comes to technology innovation. Take power generation and smart-grid management. We know that electronics that drive enormous efficiency gains on the grid. After all, our smart [...]
By Malcolm Fuller, contributing writer SANTA CLARA, Calif. – You wake up in your chilly San Francisco apartment (or any chilly place for that matter), and your first instinct is not to crank up the thermostat several notches (too expensive!). [...]
By Brian Fuller We’ve written all lot about the quickening pace of innovation in automotive electronics design. And you’ll recall the centerpiece of the first part of the Drive for Innovation was an all-electric Chevy Volt, which took us around [...]
Weight watchers
21 September 2011
TROY, Mich.–Weight is not everything in automotive design, but it’s close.
The Chevy Volt weighs 3,700 pounds unloaded. More than 11 percent of that weight is the lithium-ion battery itself, even so, the battery is 70 percent lighter than the one GM deployed in the EV-1. Yet unlike gas-powered vehicles, which lose weight as the car burns up its fuel supply, EVs don’t enjoy that dynamic with their batteries. Figuring out weight savings, therefore, is even more important than designs for traditional cars.
More interconnect design resources
In the concept stage for the Volt, GM engineers used materials from GM Automotive Plastics to trim weight by 50 percent. No spare tire? Save space and weight. And so on.
What about connectors and cabling?
A key advantage of high voltage systems in electric vehicles is weight savings, according to Adam Tyler, development engineer, with TE Connectivity here. Higher voltage means less current, which means lighter gauge cabling, which means a lighter car, which translates into longer range.
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