Design and Experimental Validation of Novel Force Sensor

Chien Sheng Liu; Hong Fei Li

doi:10.1109/JSEN.2015.2418331

Design and Experimental Validation of Novel Force Sensor

Chien Sheng Liu, Hong Fei Li

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

The force measurement is essential in many engineering areas and our life. Accordingly, this paper proposes a new force sensor, in which the restoring force of the traditional spring is replaced by an axial magnetic attraction force. The performance of the proposed force sensor is characterized numerically by means of MagNet simulations and is then verified experimentally using a laboratory-built prototype. The experimental results show that a linear relation exists between the axial magnetic attraction force and the displacement of the moving part. It also confirms that the proposed force sensor can successfully measure the applied force via the output of the displacement. Due to such characteristics, the potential applications of the proposed force sensor are in the field of autofocusing voice coil motor actuators for cell phone camera modules.

Original language	English
Article number	7078924
Pages (from-to)	4402-4408
Number of pages	7
Journal	IEEE Sensors Journal
Volume	15
Issue number	8
DOIs	https://doi.org/10.1109/JSEN.2015.2418331
Publication status	Published - 2015 Aug 1

All Science Journal Classification (ASJC) codes

Instrumentation
Electrical and Electronic Engineering

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10.1109/JSEN.2015.2418331

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abstract = "The force measurement is essential in many engineering areas and our life. Accordingly, this paper proposes a new force sensor, in which the restoring force of the traditional spring is replaced by an axial magnetic attraction force. The performance of the proposed force sensor is characterized numerically by means of MagNet simulations and is then verified experimentally using a laboratory-built prototype. The experimental results show that a linear relation exists between the axial magnetic attraction force and the displacement of the moving part. It also confirms that the proposed force sensor can successfully measure the applied force via the output of the displacement. Due to such characteristics, the potential applications of the proposed force sensor are in the field of autofocusing voice coil motor actuators for cell phone camera modules.",

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Design and Experimental Validation of Novel Force Sensor

Abstract

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