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Novel power conditioning circuits fo...

Han, Jifeng.

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Novel power conditioning circuits for piezoelectric micro power generators.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Novel power conditioning circuits for piezoelectric micro power generators./
作者:	Han, Jifeng.
面頁冊數:	135 p.
附註:	Source: Dissertation Abstracts International, Volume: 64-12, Section: B, page: 6238.
Contained By:	Dissertation Abstracts International64-12B.
標題:	Engineering, Electronics and Electrical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3115460

Novel power conditioning circuits for piezoelectric micro power generators.
Han, Jifeng.

Novel power conditioning circuits for piezoelectric micro power generators. - 135 p.

Source: Dissertation Abstracts International, Volume: 64-12, Section: B, page: 6238.

Thesis (Ph.D.)--Oregon State University, 2004.

Advanced low power devices promote the development of micro power generators (MPGs) to replace the batteries to power them. Due to the trend in decreasing integrated circuit (IC) supply voltages, power supply designers are facing more and more serious challenges. The objective of this research is to design a power conditioning circuit (PCC) for use in conjunction with low voltage microelectromechanical systems (MEMS)-based Palouse Piezoelectric Power (P 3) micro heat engine power generation systems. The PCC enables maximum power extraction from a piezoelectric MPG. The proposed PCC includes a rectifier stage and a regulator stage. The rectifier stage is based on the synchronous rectification technique. The dc-dc regulator is a charge pump-based step-down converter. Interleaved discharge (m) is proposed to reduce the output voltage ripple significantly, without sacrificing the converter efficiency. The proposed step-down charge pump is analyzed with state-space averaging.Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Novel power conditioning circuits for piezoelectric micro power generators.
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100 1 $a Han, Jifeng. $3 1900472
245 1 0 $a Novel power conditioning circuits for piezoelectric micro power generators.
300 $a 135 p.
500 $a Source: Dissertation Abstracts International, Volume: 64-12, Section: B, page: 6238.
500 $a Adviser: Annette von Jouanne.
502 $a Thesis (Ph.D.)--Oregon State University, 2004.
520 $a Advanced low power devices promote the development of micro power generators (MPGs) to replace the batteries to power them. Due to the trend in decreasing integrated circuit (IC) supply voltages, power supply designers are facing more and more serious challenges. The objective of this research is to design a power conditioning circuit (PCC) for use in conjunction with low voltage microelectromechanical systems (MEMS)-based Palouse Piezoelectric Power (P 3) micro heat engine power generation systems. The PCC enables maximum power extraction from a piezoelectric MPG. The proposed PCC includes a rectifier stage and a regulator stage. The rectifier stage is based on the synchronous rectification technique. The dc-dc regulator is a charge pump-based step-down converter. Interleaved discharge (m) is proposed to reduce the output voltage ripple significantly, without sacrificing the converter efficiency. The proposed step-down charge pump is analyzed with state-space averaging.
520 $a In order to facilitate the PSpice simulation of the lead zirconate titanate (PZT) membrane, a simplified PZT model was developed. Both the rectifier and the charge pump are simulated with PSpice. Simulations show that the interleaved discharge method takes full advantage of the step-down charge pump structure, and provides flexibilities to the design of step-down charge pumps. The designed 200mW 5V/1.2V charge pump has an efficiency of 92.2%, with reduced output ripple. Proof-of-concept demonstration of the proposed PCC includes a 4-stage completely passive charge pump driving an analog wristwatch, proving proper operation of the entire P3 micro power system.
520 $a A maximum output power of 18.8muW has been extracted from a single piezoelectric MPG, with 92% efficiency in the rectifier stage. Arbitrary waveform generator representation (AWGR) of the piezoelectric membrane is also presented. AWGR facilitates ongoing tests and demonstrates the feasibility of cascading many MPGs to extract additional power.
590 $a School code: 0172.
650 4 $a Engineering, Electronics and Electrical. $3 626636
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710 2 0 $a Oregon State University. $3 625720
773 0 $t Dissertation Abstracts International $g 64-12B.
790 1 0 $a von Jouanne, Annette, $e advisor
790 $a 0172
791 $a Ph.D.
792 $a 2004
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