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Sensitivity of Piezoresistive Pressure Sensors to Acceleration

Author

Listed:
  • Zygmunt Szczerba

    (Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, al.Powstańców Warszawy 12, 35-959 Rzeszów, Poland)

  • Piotr Szczerba

    (Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, al.Powstańców Warszawy 12, 35-959 Rzeszów, Poland)

  • Kamil Szczerba

    (Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, al.Powstańców Warszawy 12, 35-959 Rzeszów, Poland)

Abstract

The article presents the negative aspects of the influence of static and dynamic acceleration on the accuracy of pressure measurement for a selected type of transmitter. The influence of static accelerations from catalog notes was shown and compared with the tests results for a few selected sensors. The results of research on the influence of dynamic acceleration for various types of its variability for selected converters are presented. Moreover, a method of measurement patented by the authors that uses a complex transducer is shown. The method allows for more accurate measurements on moving objects. The tests were performed based on the proposed method. The obtained results of the influence of acceleration on the classical sensor as well as the construction using the proposed method are shown. The paper presents approximate pressure measurement errors resulting from the influence of acceleration. For example, errors in measuring the speed of an airplane may occur without the proposed method. The last part of the article presents a unique design dedicated to a multi-point pressure measurement system, which uses the presented method of eliminating the influence of accelerations on the pressure measurement.

Suggested Citation

  • Zygmunt Szczerba & Piotr Szczerba & Kamil Szczerba, 2022. "Sensitivity of Piezoresistive Pressure Sensors to Acceleration," Energies, MDPI, vol. 15(2), pages 1-15, January.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:2:p:493-:d:722122
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    Citations

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    Cited by:

    1. Zygmunt Szczerba & Piotr Szczerba & Kamil Szczerba & Krzysztof Pytel, 2023. "Acceleration-Insensitive Pressure Sensor for Aerodynamic Analysis," Energies, MDPI, vol. 16(7), pages 1-20, March.

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