The mass design project in the sinusoidal force calibration to avoid the disadvantage of nonuniform vibration response

Yu Wang;Li Zhang;Baolin Hong;Lizhe Zhang;Yonglu Liu;Lu Chen

Journal of Vibration and Shock ›› 2010, Vol. 29 ›› Issue (7) : 228-231.

PDF(1159 KB)
PDF(1159 KB)
Journal of Vibration and Shock ›› 2010, Vol. 29 ›› Issue (7) : 228-231.
论文

The mass design project in the sinusoidal force calibration to avoid the disadvantage of nonuniform vibration response

  • Yu Wang, Li Zhang; Baolin Hong; Lizhe Zhang; Yonglu Liu;Lu Chen
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Abstract


The force measuring and the transducer calibration are already universal, while in some important industry field, the requirement raises up to high frequency and large force measurement and calibration. The mass is the crucial component in dynamic force calibration, its acceleration distribution will increase the error, which affects the dynamic force calibration seriously for high frequency and large force. This paper points out that it is the deformation of the non-rigid mass leads to the acceleration distribution; and a design project is proposed according to the energy absorbing principle of the deformable impact damper, that making the most deformation energy is absorbed by a small part of soft and light materials to guarantee that the most part of the mass becomes a relative rigid-body, and the inertial force is uniform as a whole. According to the finite element computation, the proposed mass design project could efficiently reduce the uncertainty of the force reproduction.

Key words

Sinusoidal vibration / Dynamic force calibration / Mass design / Acceleration distribution / Force reproduction

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Yu Wang;Li Zhang;Baolin Hong;Lizhe Zhang;Yonglu Liu;Lu Chen. The mass design project in the sinusoidal force calibration to avoid the disadvantage of nonuniform vibration response[J]. Journal of Vibration and Shock, 2010, 29(7): 228-231
PDF(1159 KB)

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