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Yield-aware multi-objective optimization of a MEMS accelerometer system using QMC-based methodologies

AuthorsPak, Murat; Fernández, Francisco V. ; Dundar, Gunhan
Issue Date2020
AbstractThis paper proposes a novel yield-aware optimization methodology that can be used for mixed-domain synthesis of robust micro-electro-mechanical systems (MEMS). The robust Pareto front optimization of a MEMS accelerometer system, which includes a capacitive MEMS sensor and an analog read-out circuitry, is realized by co-optimization of the mixed-domain system where the sensor performances are evaluated using highly accurate analytical models and the circuit level simulations are carried out by an electrical simulator. Two different approaches for yield-aware optimization have been implemented in the synthesis loop. The Quasi Monte Carlo (QMC) technique has been used to embed the variation effects into the optimization loop. The results for both two- and three-dimensional yield-aware optimization are quite promising for robust MEMS accelerometer synthesis.
Publisher version (URL)http://dx.doi.org/10.1016/j.mejo.2020.104876
Identifiersdoi: 10.1016/j.mejo.2020.104876
issn: 0026-2692
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