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Discrete-Time Modelling of Sigma-Delta Inspired Systems for MEMS

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Nonlinear Maps and their Applications

Abstract

This chapter discusses a variety of system structures for microelectromechanical systems (MEMS) that employ a feedback loop inspired by sigma-delta modulation. Sigma-delta modulators are classic electronic circuits that implement data conversion. The feedback loop typical for sigma-delta modulation can be applied to actuate a MEMS device or control its state. The dynamics of such systems are described by a set of discrete-time equations (map). We show how these maps can be derived for different examples of MEMS and highlight the dynamics that are universal for all examples.

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Acknowledgement

This work was supported by Science Foundation Ireland.

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Correspondence to E. Blokhina .

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Blokhina, E., Giounanlis, P., Dominguez-Pumar, M., Gorreta, S., Pons-Nin, J., Feely, O. (2015). Discrete-Time Modelling of Sigma-Delta Inspired Systems for MEMS. In: López-Ruiz, R., Fournier-Prunaret, D., Nishio, Y., Grácio, C. (eds) Nonlinear Maps and their Applications. Springer Proceedings in Mathematics & Statistics, vol 112. Springer, Cham. https://doi.org/10.1007/978-3-319-12328-8_3

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