2009年4月8日星期三

No need batteries, energyharvesting technology is very attractive

Energy acquisition (energyharvesting) technology at least 20 years of history, suitable for use in building monitoring, measurement tools, as well as the demolition is not easy to install in the Department,battery, specifically to monitor the state of buildings and other aspects of the structure of the so-called "permanent installations (perpetualdevices) ". As a result of a wide range of applications, the technology is also increasing emphasis on industry.
That the key characteristics of a permanent device, that is, they can carry out its mandate indefinitely, but users do not have to worry for the sony laptop battery problem. California Embedded Systems Conference (EmbeddedSystemsConference) during the acquisition of an energy forum, the participants for two decades the development of the technology to share a lot of views; the majority of people believe that low-power wireless and e-group of the development, as well as sensors, MEMS and other components of the evolution of today's energy acquisition technologies change the fundamental factors.
Texas Instruments (TI) of the Project Manager DaveFreeman said that the low-power electronic components and wireless technology,sony pcga-bp1n , sony pcga-bp2nx so that acquisition of energy in many applications to open the "visibility." University of Illinois (UniversityofIllinois) Associate Professor PatrickChapman also accepted that the wireless communications more and more low-power components is to allow small-scale energy collection devices have finally found a "useless" major factor.
Supplier of automation solutions for application engineers EugeneYou of EnOcean added that the cost of wireless components becoming less and less, so that the application of a permanent device more and more widely, which is the volume of acquisition of the reasons for the growing boom. Cymbet sony pcga-bp2r manufacturers, vice president of marketing SteveGrady also said that the use of energy collecting devices will need power storage devices, such as the company is developing a long-life thin film battery.
No matter what new technologies have to be a great demand to help push the wave field in order to reduce the cost of technology and the technology to become widely used in the mainstream; and energy acquisition technology,sony pcga-bp2s , "killer application" for that?
MEMS technology experts Perpetuum Director of Business Development KeithAbate opinion, the answer is a wireless applications; TI's Freeman pointed out that a number of different applications, "Wireless Sensor Network" will promote the popularization of energy acquisition. Cymbet's Grady will be the sony pcga-bp2t intelligent building (smartbuildings) and Intelligent Monitoring (intelligentmonitoring) acquisition program as the energy of the killer application: "I think the economic revitalization program will help to increase the energy collection technology."
Chapman said the University of Illinois, the recent progress in technology the new MEMS sensor to allow the future may become a component of the energy collection technology; which, in his view, may need medical sensors implanted in the human body is the application of the above-mentioned components of this sony pcga-bp2v type of energy acquisition killer application. Energy acquisition technology applications and the "Holy Grail", that is, the technology and wireless components or a combination of sensors.
Through the assistance of energy acquisition device, a system to collect / process information, or to send and to analyze its contents; and such information is also a need to focus on common issues. Grady has the Cymbet that used in the field of Internet Protocol (IP) is appropriate, so that the collection from different wireless sensor network can be integrated with the information. But the problem is the use of IP, which is too much power consumption of wireless components, in addition, sony pcga-bp4v,if the use of IP, on the need for thousands of sensors are assigned an IP address. Against a variety of wireless sensor network communication protocol standards development work, is still only in the early stage.
Grady said that the wireless sensor network technologies that can be used, including Wi-Fi, Bluetooth (Bluetooth), ZigBee, etc.; but the lack of commonality, I am afraid it is difficult to form a real killer application of energy acquisition.sony pcga-bp71 ,sony vgp-bpl2 , sony vgp-bps3 , sony vgp-bps5 .

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