Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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Outline of Final Research Achievements |
Research and development on efficient energy harvesting (EH) interface circuit designs have been conducted for piezoelectric energy harvesting from our human body. The main achievements can be summarized as follows: (1) Efficient EH interface circuit designs have been proposed by implementing a multiple bias-flip-based E-SECE circuit and scalable EH circuit optimization for multi-source piezoelectric energy harvesting, (2) A wideband design technique with introduced switching delay is proposed for power and frequency bandwidth improvement in piezoelectric energy harvesting, and (3) A wearable device capable of battery-free wireless transmission is successfully realized by using the proposed Piezo-based EH interface circuit.
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