Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Yuji Suzuki"'
Publikováno v:
IEEE Sensors Letters. 3:1-4
A polyimide-based flexible wireless wall temperature sensor has been proposed for unsteady wall temperature measurements of internal combustion (IC) engines. The sensor is equivalent to an LCR resonant circuit including a sensing capacitor and a plan
Autor:
Jia Lu, Yuji Suzuki
Publikováno v:
2021 21st International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers).
Piezoelectret using space-charged porous polymers attracts much attention due to its high piezoelectric coefficient. In the present study, a novel all-polymer soft-X-ray-charged multilayer piezoelectret is proposed for push-button energy harvesting.
Publikováno v:
Sensors and Actuators B: Chemical. 225:492-497
s The electrostatic instability of the Cassie-state droplets for different pitches of pillared surfaces and various ion concentration of liquids has been investigated. MEMS-based pillar structures with well-defined geometrical parameters have been fa
Autor:
Yuji Suzuki
Publikováno v:
Journal of the Japan Society of Applied Electromagnetics and Mechanics. 22:361-367
Autor:
Seonwoo Kim, Yuji Suzuki
Publikováno v:
2016 IEEE SENSORS.
A MEMS electret energy harvester charged with soft X-ray after packaging is investigated, which should improve the long-term stability of electrets. A charging model for estimation of accurate charging time is developed, by considering attenuation of
Autor:
Yoshinobu Yasuno, Hidekazu Kodama, Yuji Suzuki, Kei Hagiwara, Toshifumi Tajima, M. Goto, Yoshinori Iguchi, Kenichi Kidokoro
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 19:1291-1298
An electret charging method employing soft X-ray irradiation for microelectromechanical systems (MEMS) electret transducers is investigated. Soft X-rays can penetrate obstructions/narrow gaps and ionize gas molecules inside air gaps. This allows embe
Publikováno v:
IEEJ Transactions on Electronics, Information and Systems. 132:344-349
A battery-less wireless sensor node using a vibration-driven MEMS electret energy harvester has been prototyped. With hybrid high-aspect ratio parylene springs and high-performance electret material based on perfluoro polymer CYTOP, more than 3μW ou
Publikováno v:
SAE Technical Paper Series.
Autor:
Yuji Suzuki
Publikováno v:
IEEJ Transactions on Electrical and Electronic Engineering. 6:101-111
Energy harvesting is a method by which energy naturally present in the environment is captured and then converted into electricity for use in low-power electronics. Among the various energy sources, structural vibration is believed to be useful for p
Autor:
Yuji Suzuki, Kazuya Murotani
Publikováno v:
Journal of Micromechanics and Microengineering. 28:104001
A MEMS electret vibration energy harvester with an embedded bistable electrostatic spring for broadband response is proposed. By using a vertical electret, the bistable potential can be realized without any complex structure or additional mechanism.