Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Yuji Suzuki"'
Publikováno v:
Journal of Physics: Conference Series. 1407:012033
A stochastic model of arm swing is proposed for standard test of rotational energy harvester (EH). Based on the mean values and standard deviation of the frequency and amplitude of arm swing from walking experiment, the output power of rotational ele
Autor:
J. Lu, Yuji Suzuki
Publikováno v:
Journal of Physics: Conference Series. 1407:012021
Piezoelectret using space-charged porous polymer attracts much attention recently for its softness and high piezoelectric coefficient. It has already been applied to tactile or pressure sensing as well as to kinetic/vibrational energy harvesting. In
Publikováno v:
Journal of Physics: Conference Series. 1052:012006
A dynamic model of arm-equipped rotational energy harvester (EH) during human walking is proposed. The model describes realistic arm swing based on a two link with shoulder and elbow joints rotation, and includes the electro-mechanical coupling with
Publikováno v:
Journal of Physics: Conference Series. 1052:012116
With a motivation for developing oxy-hydroxyapatite (OHA) ceramic-electret applicable to vibration energy harvesting, the poling characteristics of OHA ceramics were investigated in terms of microstructure using thermally stimulated depolarization cu
Autor:
Yuji Suzuki, Yiran Liu
Publikováno v:
Journal of Physics: Conference Series. 1052:012022
A nonlinear power management circuit for electret-based energy harvesting is designed based on the synchronized switch harvesting on inductor (SSHI) technique. With the present circuit, the output power of rotational electret energy harvester is incr
Publikováno v:
Journal of Physics: Conference Series. 1052:012040
Two-dimensional hydrogen atom (H) distribution in a CH4/air premixed flame in a narrow channel was measured using a newly-developed two-photon absorption LIF (TALIF) setup with high efficiency 205 nm laser. The wall chemical effect of SUS321 and quar
Publikováno v:
Journal of Physics: Conference Series. 1052:012062
An improved 1-D electrostatic model is proposed for rotational electret energy harvester (EH). A test bench for rotational electret EH is developed, and the experimental data are compared with the prediction using the present model. A low-profile rot
Autor:
Yuji Suzuki, Seonwoo Kim
Publikováno v:
Journal of Physics: Conference Series. 773:012012
A novel MEMS electret energy harvester charged with UV light after sealed in a vacuum package is proposed. By 265 nm UV irradiation, electrons are generated inside the package through the photoelectric effect. Uniform surface potential on sidewalls o
Publikováno v:
Journal of Physics: Conference Series. 773:012023
An electret-based unsteady thermal energy harvester is proposed using potassium tantalate niobate (KTa1-xNbxO3, KTN) as a dielectric for the capacitor. By connecting in series the capacitor and an electret serving as a permanent voltage source, the c
Publikováno v:
Journal of Physics: Conference Series. 773:012031
Piezoelectret polymer attracts much attention for its high piezoelectric coefficient. Multilayered piezoelectret structures are often charged with corona discharge, but it is difficult to get high surface charge density. To address this issue, a mult