Theoretical and experimental research of six-dimensional force / moment measurement piezoelectric dynamometer

Authors

  • Danaish Dalian University of technologySchool of Mechanical engineering, Dalian University of Technology, Dalian, 116024, China. Phone: +8615651826700; Fax: +8615651826700.
  • R. Zongjin School of Mechanical engineering, Dalian University of Technology, Dalian, 116024, China. Phone: +8615651826700; Fax: +8615651826700.
  • Z. Jun School of Mechanical engineering, Dalian University of Technology, Dalian, 116024, China. Phone: +8615651826700; Fax: +8615651826700.
  • X. Tianguo School of Mechanical engineering, Dalian University of Technology, Dalian, 116024, China. Phone: +8615651826700; Fax: +8615651826700.
  • M.A. Akbar School of Mechanical engineering, The Hong Kong Polytechnic University, Hong Kong, 999077, China.

DOI:

https://doi.org/10.15282/jmes.16.3.2022.03.0712

Keywords:

Tri-axial piezoelectric sensors installation, FEM simulation experiments, Experimental calibration analysis, Multi-points force/moment measurement

Abstract

High-accuracy measurement for force is essential in the Robotics design, Rocket thrust, manufacturing process, and biomedical equipment. To realize the multi-dimensional force/moment measurement, a multi-points force / moment measurement piezoelectric dynamometer capable of measuring spatial force information has been developed. The experimental prototype dynamometer is fabricated according to the designed numerical simulation model (Finite element method: FEM) in which eight three-axis piezoelectric sensors are uniformly distributed in a zigzag pattern. The constructed dynamometer is calibrated both statically and dynamically, static calibration is carried out using a manual hydraulic loader, and the dynamic calibration is performed by impact load technique. The maximum error difference between the theoretical simulations and experimental analyses is approximately 7%. The experimental calibrated results evaluate that the cross-talk error of the applied axile force, normal force and pitch moment is less than 4% and the natural frequency  of the dynamometer in each coordinate is greater than 0.35 kHz.

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Published

2022-09-28

How to Cite

[1]
D. ., R. Zongjin, Z. Jun, X. guo, and M. A. Akbar, “Theoretical and experimental research of six-dimensional force / moment measurement piezoelectric dynamometer ”, JMES, vol. 16, no. 3, pp. 8996–9013, Sep. 2022.