HAL will be down for maintenance from Friday, June 10 at 4pm through Monday, June 13 at 9am. More information
Skip to Main content Skip to Navigation
Preprints, Working Papers, ...

Nonlinear operation of resonant sensors based on weakly-coupled resonators :Theory and modeling

Abstract : This theroretical work investigates the properties of nonlinearly-operated weakly-coupled resonators (WCRs) for resonant sensing applications. We propose an analysis framework for actively-coupled (MILOs) or passively-coupled (MOLOs) self-oscillating WCRs, subject to nonlinear restoring and damping forces. Under some simplifying assumptions, three sensor architectures are investigated and compared, highlighting several common features such as : (i) the insensitivity of the amplitude ratio output metric to the A-f effect, (ii) the instability of one oscillation state above a threshold amplitude. These results are illustrated and validated using transient simulations. Their range of validity is then discussed with respect to finite perturbations, finite bandwidth, measurement noise and nonlinear dissipation-fluctuation. Part 2 of this paper proposes an experimental validation of our analysis.
Complete list of metadata

Contributor : Jérôme Juillard Connect in order to contact the contributor
Submitted on : Wednesday, May 22, 2019 - 3:19:15 PM
Last modification on : Saturday, December 4, 2021 - 4:03:20 AM


  • HAL Id : hal-01992473, version 2


Jérôme Juillard, Ali Mostafa, Pietro Maris Ferreira. Nonlinear operation of resonant sensors based on weakly-coupled resonators :Theory and modeling. 2019. ⟨hal-01992473v2⟩



Record views


Files downloads