Performance Enhancement of Consumer-Grade MEMS Sensors through Geometrical Redundancy Article Swipe

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Giorgio de Alteriis , Domenico Accardo , Claudia Conte , Rosario Schiano Lo Moriello ·

YOU? · · 2021 · Open Access · · DOI: https://doi.org/10.3390/s21144851

The paper deals with performance enhancement of low-cost, consumer-grade inertial sensors realized by means of Micro Electro-Mechanical Systems (MEMS) technology. Focusing their attention on the reduction of bias instability and random walk-driven drift of cost-effective MEMS accelerometers and gyroscopes, the authors hereinafter propose a suitable method, based on a redundant configuration and complemented with a proper measurement procedure, to improve the performance of low-cost, consumer-grade MEMS sensors. The performance of the method is assessed by means of an adequate prototype and compared with that assured by a commercial, expensive, tactical-grade MEMS inertial measurement unit, taken as reference. Obtained results highlight the promising reliability and efficacy of the method in estimating position, velocity, and attitude of vehicles; in particular, bias instability and random walk reduction greater than 25% is, in fact, experienced. Moreover, differences as low as 0.025 rad and 0.89 m are obtained when comparing position and attitude estimates provided by the prototype and those granted by the tactical-grade MEMS IMU.

Related Topics

Mems

Gyroscope

Inertial Measurement Unit

Accelerometer

Redundancy (Engineering)

Electronic Engineering

Artificial Intelligence

Aerospace Engineering

Concepts

Microelectromechanical systems Gyroscope Inertial measurement unit Accelerometer Redundancy (engineering) Vibrating structure gyroscope Reliability (semiconductor) Computer science Simulation Reduction (mathematics) Position (finance) Units of measurement Allan variance Engineering Electronic engineering Reliability engineering Artificial intelligence Aerospace engineering Standard deviation Mathematics Materials science Physics Nanotechnology Statistics Power (physics) Quantum mechanics Economics Operating system Geometry Finance

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Type: article
Language: en
Landing Page: https://doi.org/10.3390/s21144851
PDF: https://www.mdpi.com/1424-8220/21/14/4851/pdf?version=1626429396
OA Status: gold
Cited By: 23
References: 36
Related Works: 10
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DOI: https://doi.org/10.3390/s21144851

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Title: Performance Enhancement of Consumer-Grade MEMS Sensors through Geometrical Redundancy

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Language: en

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Publication year: 2021

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Publication date: 2021-07-16

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Authors: Giorgio de Alteriis, Domenico Accardo, Claudia Conte, Rosario Schiano Lo Moriello

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Landing page: https://doi.org/10.3390/s21144851

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Concepts: Microelectromechanical systems, Gyroscope, Inertial measurement unit, Accelerometer, Redundancy (engineering), Vibrating structure gyroscope, Reliability (semiconductor), Computer science, Simulation, Reduction (mathematics), Position (finance), Units of measurement, Allan variance, Engineering, Electronic engineering, Reliability engineering, Artificial intelligence, Aerospace engineering, Standard deviation, Mathematics, Materials science, Physics, Nanotechnology, Statistics, Power (physics), Quantum mechanics, Economics, Operating system, Geometry, Finance

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Cited by: 23

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References (count): 36

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