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Wireless Smart Lighting System - Berkeley Expert Systems ...

Wireless Smart Lighting System - Berkeley Expert Systems ...

Wireless Smart Lighting System - Berkeley Expert Systems

December 2006Vol. 4, Issue 2N E W S F R O M T H E U N I V E R S I T Y O F C A L I F O R N I A E N E R G Y I N S T I T U T EWireless Smart Lighting SystemS A V E S E N E R G Y ,R E S P O N D S T O H U M A N P R E F E R E N C E SYour mother always told you: “Turn off the lights!”And it turns out, that was sound advice. Turning offthe lights when they are not in use is one of the bestways to save energy – especially in an office building.These days, many people don’t even have to flip theswitch to save energy. Automated lighting, which turnson when a person walks into a room and off when heor she leaves, is fairly common in many newer officestoday. And opportunities to save even more energywith automated lighting are just around the corner.Jessica Granderson tests the demonstration system with a remotecontrol while Alice Agogino and Yao-Jung Wen watch.UC Berkeley researchers are exploring new combinationsof commercial lighting systems controlled by “smart”wireless sensor technology that can customize a room’slighting to meet a range of pre-established conditions,including the occupant’s personal preference. MechanicalEngineering Professor Alice Agogino is leading a multiyearproject funded in part by the California EnergyCommission’s Public Interest Energy Research (PIER)Program. Working with a team of students in her BerkeleyExpert Systems Technology (BEST) laboratory, AgoginoContinued on page 4Energy-Saving LED Pioneer SeeksEven More Efficient DevicesShuji NakamuraShuji Nakamura, a professor of materials and of electricaland computer engineering at UC Santa Barbara,received the 2006 Millenium Technology Prize forinventing blue, green, and white light-emitting diodes(LEDs) and the blue laser diode. These energy-savinglight sources have revolutionized products rangingfrom flashlights to advertising signs.The prize recognizes outstanding technological achievementaimed at promoting quality of life and sustainabledevelopment. The award selection committee describedNakamura’s work as “the ‘holy grail’ of semiconductorresearch.” The award comes with a cash prize of approximately$1.3 million (1 million Euros).Continued on page 31

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