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This study relates in a new strategy of command of piezoelectric sensor of force in order to measure pull and push forces. This strategy is based on a piezoelectric actuator which uses two bending differential modes. The operating principle of these measures are based in the change of the electromechanical impedance, therefore a variation of resonant frequency is attend. Thus a thermal compensation...
In this article a new structure of a force sensor based on piezoelectric materials is proposed. The design and choice of measuring principle is based on the direct piezoelectric effect, for the measurement of the dynamic force, and on the analysis of the electromechanical impedance technique, for measuring the static force. This technique is based on the measurement of modes of the structure. Indeed,...
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