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Research and innovation | REF: IN28 V1

Mechanical characterization device for microrobotics

Authors: Mehdi BOUKALLEL, Emmanuel PIAT, Joël ABADIE

Publication date: March 10, 2005 | Lire en français

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    4. Performance and technical specifications of the force-measuring device

    4.1 Stiffness

    The micro- and nanoforces sensor can be represented mechanically as a combination of several springs, with varying stiffnesses K x , K y and K z , supporting the tubular glass rod. The force versus displacement characteristic is linear along the y and z measurement directions and remains strongly non-linear along the x direction mainly due to the influence of diamagnetic forces. Figure 6 shows an example of the force versus displacement characteristic in the y direction of the micro- and nanoforces sensor. The...

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