Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Shunji Kumagai"'
Publikováno v:
Ceramics International. 42:6962-6968
This paper proposes a new design of an impact mode piezoelectric power generator that is able to operate in a wide frequency bandwidth by using a round piezoelectric ceramic as the energy converter. The evaluation results show that the output of the
Autor:
Hideki Okuno, Bunji Homma, Shunji Kumagai, A.A. Basari, Seiji Hashimoto, Sosuke Awaji, Kojiro Kobayashi, Shintaro Sakamoto, Hiroaki Okada, Kenji Suto
Publikováno v:
Ceramics International. 41:12038-12044
This paper presents an analytical and experimental study on the effect of mechanical impact parameters on impact-mode piezoelectric ceramic power generators. The parameters are the velocity and mass. The method of analysis is based on a weight drop e
Autor:
Takahiro Nagai, Yukihiro Isoda, Naoki Shioda, Hideaki Abe, Yoshikazu Shinohara, Shunji Kumagai, H. Fujiu, Satoki Tada
Publikováno v:
SAE International Journal of Passenger Cars - Electronic and Electrical Systems. 8:442-448
Autor:
Sosuke Awaji, Shunji Kumagai, A.A. Basari, Kojiro Kobayashi, Hideki Okuno, Seiji Hashimoto, Bunji Homma, Shintaro Sakamoto, Hiroaki Okada, Kenji Suto
Publikováno v:
Shock and Vibration, Vol 2015 (2015)
This study reports the effects of the parameters of a vibration-based impact mode piezoelectric power generator. First, an evaluation of the effects of the impact parameters, the mass, and the impact velocity is presented. It is found that the output
Autor:
T. Ishii, T. Iwase, Shunji Kumagai, Seiji Hashimoto, Bunji Homma, Hideki Okuno, Hiroaki Okada, Kenji Suto
Publikováno v:
ISIE
We demonstrate a novel structure of a flapping-based piezoelectric power generator for bicycle pedals. The flapping structure and the circuit configuration have been proposed, and the effectiveness of the proposed structure is experimentally evaluate
Autor:
Amat A. Basari, Sosuke Awaji, Song Wang, Seiji Hashimoto, Shunji Kumagai, Kenji Suto, Hiroaki Okada, Hideki Okuno, Bunji Homm, Wei Jiang, Shuren Wang
Publikováno v:
Journal of Power and Energy Engineering. :117-124
Vibration energy harvesting is widely recognized as the useful technology for saving energy. The piezoelectric energy harvesting device is one of energy harvester and is used to operate certain types of MEMS devices. Various factors influence the ene
Publikováno v:
physica status solidi c. 10:1704-1707
We investigated the thermoelectric properties of non-doped Mg2Si0.9-xSnx Ge0.1 (x = 0, 0.60, 0.65, 0.75, and 0.90) solid solutions of quaternary systems prepared using a liquid–solid reaction and hot-pressing methods. All the sintered compact sampl
Publikováno v:
Journal of Electronic Materials. 43:1580-1584
We have investigated the thermoelectric properties of p-type Na-doped Mg2 Si0.25Sn0.75 solid solutions prepared by liquid–solid reaction and hot-pressing methods. Na was introduced into Mg2Si0.25Sn0.75 by using either sodium acetate (CH3COONa) or m
Publikováno v:
Transactions of the Materials Research Society of Japan. 38:17-20
Autor:
Shunji Kumagai, Hideki Okuno, A.A. Basari, Hiroaki Okada, Takahiro Iwase, Seiji Hashimoto, Bunji Homma
Publikováno v:
2016 IEEE 11th Conference on Industrial Electronics and Applications (ICIEA).
This paper proposes a new method of output optimization for a wideband vibration-based impact mode piezoelectric power generator. The method utilizes indirect impact configuration so that the impact forces will be optimally transferred to the device.