Low-Power Frequency-to-Digital-Converter for a 6-Axis MEMS Frequency-Modulated Inertial Measurement Unit

Abstract

The work presents and characterizes a frequency digitization circuit used in a multi-parameter, multi-axis inertial measurement unit wholly based on frequency modulated (FM) sensors. With a low quantization noise of 35μ HZ ms at 100-Hz output data rate, and a linear full-scale of 1 kHz, the proposed frequency to digital converter (FDC) achieves 149 dB of dynamic range, referred to a 50 Hz sensing bandwidth. The circuit operation is successfully demonstrated on both Lissajous FM gyroscopes and time-switched FM accelerometers, on both in-plane and out-of-plane sensing axes.

Original language	English
Title of host publication	INERTIAL 2019 - 6th IEEE International Symposium on Inertial Sensors and Systems, Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781538678275
DOIs	https://doi.org/10.1109/ISISS.2019.8739760
Publication status	Published - Apr 2019
Externally published	Yes
Event	6th IEEE International Symposium on Inertial Sensors and Systems, INERTIAL 2019 - Naples, United States Duration: 1 Apr 2019 → 5 Apr 2019

Publication series

Name	INERTIAL 2019 - 6th IEEE International Symposium on Inertial Sensors and Systems, Proceedings

Conference

Conference	6th IEEE International Symposium on Inertial Sensors and Systems, INERTIAL 2019
Country	United States
City	Naples
Period	1.4.19 → 5.4.19

Keywords

frequency modulation
inertial sensors
MEMS

ASJC Scopus subject areas

Control and Optimization
Instrumentation

Access to Document

10.1109/ISISS.2019.8739760

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Cite this

Bestetti, M., Leoncini, M., Minotti, P., Marra, C. R., Langfelder, G., Tocchio, A., & Facchinetti, S. (2019). Low-Power Frequency-to-Digital-Converter for a 6-Axis MEMS Frequency-Modulated Inertial Measurement Unit. In INERTIAL 2019 - 6th IEEE International Symposium on Inertial Sensors and Systems, Proceedings [8739760] (INERTIAL 2019 - 6th IEEE International Symposium on Inertial Sensors and Systems, Proceedings). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ISISS.2019.8739760

Low-Power Frequency-to-Digital-Converter for a 6-Axis MEMS Frequency-Modulated Inertial Measurement Unit. / Bestetti, Marco; Leoncini, Mauro; Minotti, Paolo; Marra, Cristiano Rocco; Langfelder, Giacomo; Tocchio, Alessandro; Facchinetti, Stefano.

INERTIAL 2019 - 6th IEEE International Symposium on Inertial Sensors and Systems, Proceedings. Institute of Electrical and Electronics Engineers Inc., 2019. 8739760 (INERTIAL 2019 - 6th IEEE International Symposium on Inertial Sensors and Systems, Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Bestetti, M, Leoncini, M, Minotti, P, Marra, CR, Langfelder, G, Tocchio, A & Facchinetti, S 2019, Low-Power Frequency-to-Digital-Converter for a 6-Axis MEMS Frequency-Modulated Inertial Measurement Unit. in INERTIAL 2019 - 6th IEEE International Symposium on Inertial Sensors and Systems, Proceedings., 8739760, INERTIAL 2019 - 6th IEEE International Symposium on Inertial Sensors and Systems, Proceedings, Institute of Electrical and Electronics Engineers Inc., 6th IEEE International Symposium on Inertial Sensors and Systems, INERTIAL 2019, Naples, United States, 1.4.19. https://doi.org/10.1109/ISISS.2019.8739760

Bestetti M, Leoncini M, Minotti P, Marra CR, Langfelder G, Tocchio A et al. Low-Power Frequency-to-Digital-Converter for a 6-Axis MEMS Frequency-Modulated Inertial Measurement Unit. In INERTIAL 2019 - 6th IEEE International Symposium on Inertial Sensors and Systems, Proceedings. Institute of Electrical and Electronics Engineers Inc. 2019. 8739760. (INERTIAL 2019 - 6th IEEE International Symposium on Inertial Sensors and Systems, Proceedings). https://doi.org/10.1109/ISISS.2019.8739760

Bestetti, Marco ; Leoncini, Mauro ; Minotti, Paolo ; Marra, Cristiano Rocco ; Langfelder, Giacomo ; Tocchio, Alessandro ; Facchinetti, Stefano. / Low-Power Frequency-to-Digital-Converter for a 6-Axis MEMS Frequency-Modulated Inertial Measurement Unit. INERTIAL 2019 - 6th IEEE International Symposium on Inertial Sensors and Systems, Proceedings. Institute of Electrical and Electronics Engineers Inc., 2019. (INERTIAL 2019 - 6th IEEE International Symposium on Inertial Sensors and Systems, Proceedings).

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abstract = "The work presents and characterizes a frequency digitization circuit used in a multi-parameter, multi-axis inertial measurement unit wholly based on frequency modulated (FM) sensors. With a low quantization noise of 35μ HZ ms at 100-Hz output data rate, and a linear full-scale of 1 kHz, the proposed frequency to digital converter (FDC) achieves 149 dB of dynamic range, referred to a 50 Hz sensing bandwidth. The circuit operation is successfully demonstrated on both Lissajous FM gyroscopes and time-switched FM accelerometers, on both in-plane and out-of-plane sensing axes.",

keywords = "frequency modulation, inertial sensors, MEMS",

author = "Marco Bestetti and Mauro Leoncini and Paolo Minotti and Marra, {Cristiano Rocco} and Giacomo Langfelder and Alessandro Tocchio and Stefano Facchinetti",

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AB - The work presents and characterizes a frequency digitization circuit used in a multi-parameter, multi-axis inertial measurement unit wholly based on frequency modulated (FM) sensors. With a low quantization noise of 35μ HZ ms at 100-Hz output data rate, and a linear full-scale of 1 kHz, the proposed frequency to digital converter (FDC) achieves 149 dB of dynamic range, referred to a 50 Hz sensing bandwidth. The circuit operation is successfully demonstrated on both Lissajous FM gyroscopes and time-switched FM accelerometers, on both in-plane and out-of-plane sensing axes.

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