Broadcasters who use satellites can’t accept shutdowns, even when they happen only twice a year during eclipses. The Optus D3 satellite made by Orbital Sciences Corp. will use rechargeable lithium-ion batteries from Saft for power when the spacecraft is blocked from the sun during two eclipses. The two rechargeable Saft lithium ion 180W/hour average cells trim weight in half compared to alternative technologies studied by Orbital, letting the company add more critical payload equipment. It carries 32 transponders that will provide Ku-Band direct television broadcasting services to Australia and New Zealand after 2009.
Independent science safety company Underwriters Laboratories is providing new guidance for manufacturers about how to follow the latest IEC standards for implementing safety features in programmable logic controllers.
Automakers are adding greater digital capabilities to their design and engineering activities to promote collaboration among staff and suppliers, input consumer feedback, shorten product development cycles, and meet evolving end-use needs.
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