New output power estimation method for cantilever-based piezoelectric energy harvesters

Motoaki Hara, Le Van Minh, Hiroyuki Oguchi, Hiroki Kuwano

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In this report, we describe a new estimation method of output power for cantilever-based piezoelectric energy harvesters (CPEHs). To practically apply the energy harvester as an electronic component, on the basis of the vibration mode function, a design equation taking into account not only the output power but also the size and vibration conditions was newly proposed. Using the equation, an energy harvester was designed and fabricated to drive the communication chip based on IEEE 802.15.4. As a result, we succeeded in developing the energy harvester that had the output power of 730nW at the resonant frequency of 1.5 kHz with the vibration acceleration of 9.8m/s2. The size of the harvester was smaller than 1mm3. The output power well agrees with the designed value and is sufficient to drive the communication chip with the intermittent mode.

Original languageEnglish
Article number07KE04
JournalJapanese Journal of Applied Physics
Volume53
Issue number7 SPEC. ISSUE
DOIs
Publication statusPublished - 2014 Jul
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

Fingerprint Dive into the research topics of 'New output power estimation method for cantilever-based piezoelectric energy harvesters'. Together they form a unique fingerprint.

  • Cite this