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Random Vibration Evaluation and Optimization of a Flexible Positioning Platform Considering Power Spectral Density.

Lufan Zhang1, Mengyuan Hu1, Heng Yan1

  • 1School of Mechanical and Electrical Engineering, Henan University of Technology, 100 Lianhua Street, Zhengzhou 450001, China.

Sensors (Basel, Switzerland)
|January 28, 2026
PubMed
Summary

This study evaluates flexible positioning platforms under random vibration using power spectral density (PSD) analysis. Optimizing hinge stiffness is crucial for enhancing vibration resistance and extending the service life of these critical components.

Keywords:
fatigue lifeflexible positioning platformpower spectral densityrandom vibrationultra-high acceleration macro–micro motion platform

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