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[ Best Paper of This Month ] | |
Journal of the Korean Society of Manufacturing Technology Engineers - Vol. 30, No. 2, pp. 99-104 | |
Abbreviation: J. Korean Soc. Manuf. Technol. Eng. | |
ISSN: 2508-5107 (Online) | |
Print publication date 15 Apr 2021 | |
Received 29 Jan 2021 Revised 27 Feb 2021 Accepted 03 Mar 2021 | |
DOI: https://doi.org/10.7735/ksmte.2021.30.2.99 | |
Battery-free Digital Tooling Head using Wireless Power Transmission | |
aDepartment of MSDE, Seoul National University of Science & Technology (SeoulTech) | |
Correspondence to : *Tel.: +82-2-970-7287 E-mail address: dongha@seoultech.ac.kr (Dongha Shim). | |
Funding Information ▼ |
This study demonstrates a battery-free digital tooling head (BF-DTH) for real-time monitoring of a rotating machine tool. As tooling heads include more digital electronics and consume more power with improved functionalities, replacement and management of batteries become major issues. A BF-DTH using wireless power transmission is proposed to resolve these issues. The BF-DTH is composed of a transmitter/receiver (TX/RX) coil pair, converters, a wireless microcontroller and thermal sensor. The microcontroller, powered by a wirelessly transmitted and converted DC voltage, measures the tool’s temperature and continuously transmits data from the rotating BF-DTH to an external wireless terminal. The delivered RX power was measured to be 32 mW at 15% efficiency, with the RX converter providing a constant DC voltage regardless of spindle speeds of up to 1200 RPM. The BF-DTH system could be effectively used for emerging smart factory applications, where smart DTHs consume moderate to high power.
Keywords: Digital tooling head, Battery-free, Wireless power transmission, Wireless terminal, Smart factory |
This study was supported by the Research Program funded by SeoulTech (Seoul National University of Science & Technology).
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Undergraduate student in the Department of MSDE, SeoulTech.His research interest is Manufacturing Systems and Design Engineering.
E-mail: wkdtjgml7410@naver.com
Graduate student in the Department of MSDE, SeoulTech.Her research interest is Manufacturing Systems and Design Engineering.
E-mail: juhye0806@gmail.com
Undergraduate student in the Department of MSDE, SeoulTech.His research interest is Manufacturing Systems and Design Engineering.
E-mail: lefebure.axel@gmail.com
Undergraduate student in the Department of MSDE, SeoulTech.Her research interest is Manufacturing Systems and Design Engineering.
E-mail: wisdom5394@gmail.com
Professor in the Department of MSDE, SeoulTech.His research interest is the design and implementation of multi-disciplinary engineering systems.
E-mail: dongha@seoultech.ac.kr