지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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This paper presents the power source of wireless sensor node (WSN) using supercapacitors and a solar cell. Supercapacitors have high lifetime cycling compared to that of batteries. Supercapacitors are connected in series to achieve higher voltage and a voltage balancing circuit is required to ensure that no individual cell goes overvoltage. We employ an active balancing circuit that draws minimal current by using transistors. A diode is connected in series with each supercapacitor. A new balancing circuit that equalize the cells-voltage reduces energy consumption of supercapacitors. Voltage of operating WSN is applied 2.2-3.3V by DC/DC converter and supercapacitor voltage 2.2-5.1V. Maximum operating time of wireless sensor node is about 16 hours in full charging.
목차
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참고문헌 (9)
참고문헌 신청
D. Linzen / 2005 / Analysis and evaluation of chargebalancing circuits on performance, reliability, and lifetime of supercapacitor systems / IEEE Transactions on Industry App
F.I. Simjee / 2008 / Efficient charging of supercapacitors for extended lifetime of wireless sensor nodes / IEEE Transactions on Power Electronics 23 (3) : 1526 ~ 1536
H. Chen / 2010 / Energy stoerage and management system with carbon nanotube supercapacitor and multidirectional power delivery capability for autonomous wireless sensor nodes
J. Taneja / 2008 / Design, modeling, and capacity planning for micro-solar power sensor networks / 2008 International Conference on Information Processing in Sensor Networks : 407
M. Uno / 2010 / Equalization chargers using capacitor-diode nerworks for series- connected energy storage cells / IPEC 2010 538 (543) : 538 ~ 543
F.I. Simjee / 2008 / Efficient charging of supercapacitors for extended lifetime of wireless sensor nodes / IEEE Transactions on Power Electronics 23 (3) : 1526 ~ 1536
H. Chen / 2010 / Energy stoerage and management system with carbon nanotube supercapacitor and multidirectional power delivery capability for autonomous wireless sensor nodes
J. Taneja / 2008 / Design, modeling, and capacity planning for micro-solar power sensor networks / 2008 International Conference on Information Processing in Sensor Networks : 407
M. Uno / 2010 / Equalization chargers using capacitor-diode nerworks for series- connected energy storage cells / IPEC 2010 538 (543) : 538 ~ 543
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