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Study of noncontact torque measurement method with magnetic sensor band

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Abstract

This paper presents a method for measuring torque applied to the rotating shaft of a gear box without physical modifications. As a result, the new measurement unit can detect the applied torque with an error of less than 1 % for the whole targeted speed range of 100 - 500 rpm. A Magnetic sensor band (MSB) is used to eliminate any need for calibration during the use of the unit. The major disadvantage of this system is the fact that it is not suitable for measurement of torque under the stopped condition. This shortcoming is found to be unable to overcome, and therefore the new unit has only limited application. However, the sensor module has sufficient engineering merits, since it is implemented with a simple hardware method and is associated with a lower cost than current, commercially available torque sensors.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Inha University, Incheon, 402-751, Korea

    Kyungshik Lee & Chongdu Cho

Authors
  1. Kyungshik Lee
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  2. Chongdu Cho
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Correspondence to Chongdu Cho.

Additional information

Recommended by Associate Editor Gil Hoo Yoon

Kyungshik Lee was born in Seoul, Korea, in 1976. He received the B.S. degree in mechanical engineering from Inha University in 2010. He is currently pursuing the Ph.D. degree with the College of Mechanical Engineering, Inha University, Incheon, Korea. His research interests include noncontact torque meters.

Chongdu Cho has been teaching as a professor of Mechanical Engineering at Inha University, Incheon, South Korea since 1992. He has won a fellow professorship at Inha University since 2008. Dr. Chongdu Cho received his Ph.D. in Mechanical Engineering and Applied Mechanics from the University of Michigan, Ann Arbor, Michigan, USA. He received his Bachelor of Science in Mechanical Engineering at Seoul National University and a Master in Science at KAIST, South Korea. His major research area is the thermo-mechanical behavior of materials and composites and their fracture mechanics. He also has numerous publications on NEMS/MEMS in the field of Carbon nanotubes, micro switches and biosensors. He has published more than 160 SCI(e) peer reviewed international papers, 135 international conference proceedings and numerous domestic articles and papers.

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Lee, K., Cho, C. Study of noncontact torque measurement method with magnetic sensor band. J Mech Sci Technol 29, 3897–3903 (2015). https://doi.org/10.1007/s12206-015-0835-1

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  • DOI: https://doi.org/10.1007/s12206-015-0835-1

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