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Updated: Apr 22, 2026

High-Speed Magnetic Tweezers for Nanomechanical Measurements on Force-Sensitive Elements
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Force sensor characterization under sinusoidal excitations.

Nieves Medina1, Jesús de Vicente2

  • 1Centro Español de Metrología, CEM, Calle Alfar 2, 28760 Tres Cantos, Madrid, Spain. mnmedina@cem.minetur.es.

Sensors (Basel, Switzerland)
|October 8, 2014
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Summary
This summary is machine-generated.

A new method accurately characterizes force sensors under dynamic sinusoidal excitations. This ensures reliable sensor performance by establishing traceability to the fundamental definition of force (mass times acceleration).

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Area of Science:

  • Metrology
  • Mechanical Engineering
  • Sensor Technology

Background:

  • Accurate characterization of force sensors under dynamic conditions is crucial for reliable measurements.
  • Existing methods may lack traceability or comprehensive analysis of influencing factors.
  • Dynamic force sensor calibration requires robust methodologies to ensure measurement integrity.

Purpose of the Study:

  • To develop and validate a traceable method for characterizing force sensors subjected to sinusoidal excitations.
  • To identify and mitigate the influence of factors affecting dynamic force measurements.
  • To establish corrections for dynamic conditions, enhancing sensor accuracy and reliability.

Main Methods:

  • Utilizing a primary standard based on the direct definition of force (mass x acceleration) for traceability.
  • Employing a vibration shaker system to generate controlled sinusoidal accelerations (up to 100 m/s², 5 Hz–2400 Hz).
  • Measuring acceleration with a laser vibrometer traceable to fundamental units of time and length, and acquiring data via a multi-channel system.

Main Results:

  • A validated methodology for force sensor characterization under sinusoidal dynamic loads.
  • Quantification and minimization strategies for influencing factors in dynamic measurements.
  • Established procedures for applying corrections under dynamic conditions.

Conclusions:

  • The developed method provides a traceable and accurate means to characterize force sensors under sinusoidal excitations.
  • This work is essential for the proper and reliable use of force sensors in dynamic applications.
  • The established procedures enhance confidence in force measurements within dynamic environments.