A Novel Measurement for Monitoring Mechanical Impedance Applied to Breakthrough Detection of Bone-Drill System

P. J. Ko, Mi-Ching Tsai

Research output: Contribution to journalConference article

Abstract

Based on a Chain Scattering Description and the Hilbert Huang Transform, this paper proposes a new measurement for monitoring dynamic changes of mechanical impedance without applying conventionally mechanical sensors. The proposed method is applied to the bone drilling system to detect the moment of bone breakthrough. The single frequency mechanical impedance of bone can be computed from the electrical signal of a DC motor in accordance with the proposed method. The experimental results demonstrate that the moment of bone breakthrough can accurately be detected by monitoring changes of mechanical impedance.

Original languageEnglish
Article number012028
JournalIOP Conference Series: Materials Science and Engineering
Volume398
Issue number1
DOIs
Publication statusPublished - 2018 Aug 20
Event2nd International Conference on Manufacturing Technologies, ICMT 2018 - Orlando, United States
Duration: 2018 Jan 192018 Jan 21

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Bone
Monitoring
DC motors
Drilling
Mathematical transformations
Scattering
Sensors

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Engineering(all)

Cite this

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abstract = "Based on a Chain Scattering Description and the Hilbert Huang Transform, this paper proposes a new measurement for monitoring dynamic changes of mechanical impedance without applying conventionally mechanical sensors. The proposed method is applied to the bone drilling system to detect the moment of bone breakthrough. The single frequency mechanical impedance of bone can be computed from the electrical signal of a DC motor in accordance with the proposed method. The experimental results demonstrate that the moment of bone breakthrough can accurately be detected by monitoring changes of mechanical impedance.",
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