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High performance reference setup for characterization and calibration of low-range differential pressure sensors
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
2015 (English)In: IEEE Transactions on Instrumentation and Measurement, ISSN 0018-9456, E-ISSN 1557-9662, Vol. 64, no 1, p. 154-162Article in journal (Refereed) Published
Abstract [en]

The calibration of sensors is one of the most frequently carried out maintenance operations on sensor networks. This paper presents the design of a reference instrument for the static calibration of low-range (up to ±320 Pa) differential pressure sensors. A method is proposed for the calibration setup and the design issues are discussed in addition to a complete error analysis. An experimental setup is also proposed. From the conducted experiments, it is verified that the sensitivity of the reference setup is at least 0.032 Pa with the achievable resolution of 0.001% of full scale. This paper also presents an embedded electronics design for both the calibration and the characterization profile handling. A full performance characterization of a sample differential pressure sensor is also presented in terms of sensitivity, linearity, hysteresis, and temperature dependency. A comprehensive discussion involving the design parameters analysis and the worst case performance is also included. In conclusion, it is summarized that the proposed design out performs the conventional reference instruments, so that it can be used for the calibration and characterization of a wide variety of low-range differential pressure sensors.

Place, publisher, year, edition, pages
2015. Vol. 64, no 1, p. 154-162
Keywords [en]
Actuators, calibration, electronics, mechanical factors, pressure measurement
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-24076DOI: 10.1109/TIM.2014.2329739ISI: 000346085800015Scopus ID: 2-s2.0-84918505789Local ID: STCOAI: oai:DiVA.org:miun-24076DiVA, id: diva2:776452
Note

CODEN: IEIMA

Available from: 2015-01-07 Created: 2015-01-07 Last updated: 2017-12-05Bibliographically approved
In thesis
1. Reference setup for characterization and calibration of low-range differential pressure sensors
Open this publication in new window or tab >>Reference setup for characterization and calibration of low-range differential pressure sensors
2015 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

In this thesis, a reference setup for the characterization and calibration of low range differential pressure sensors is presented. The setup utilizes the principle of ideal gas law and actuates on the volume for accurate reference pressure inputs for the calibration process. The error sources for the proposed setup are analysed and an error propagation modelis presented. The range of the setup is ±320 Pa, with the resolution of 0.001% of full scale. The verified sensitivity of the setup is 0.032 Pa. A complete characterization of a high performance differential pressure transducer is conducted as a test case study for the performance analysis of the proposed setup. During these experiments the sensitivity of the calibration setup to the thermal gradient is observed. To this end, the effects of thermal gradient on the transient response of the setup are also studied, utilizing a comparative experimental study. From the presented experimental study it is concluded that the thermal gradient can cause the system to remain in transient state for at least 96 hours. To reduce this effect, a mechanical design optimization is proposed and a finite element model is presented to be studied in comparison to its preceding design for its thermal performance. From the results it is concluded that the optimized design can reduce the transient time of the measurement system due to thermal gradient, by 11 times. Future work is also proposed to further investigate the optimized model for implementation purposes.

Place, publisher, year, edition, pages
Sundsvall: Mittuniversitetet, 2015. p. 67
Series
Mid Sweden University licentiate thesis, ISSN 1652-8948 ; 115
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:miun:diva-26528 (URN)STC (Local ID)978-91-88025-09-8 (ISBN)STC (Archive number)STC (OAI)
Presentation
2015-10-08, O102, 13:15 (English)
Supervisors
Available from: 2015-12-16 Created: 2015-12-16 Last updated: 2017-03-02Bibliographically approved
2. Method of torque measurement based on volumetric strain
Open this publication in new window or tab >>Method of torque measurement based on volumetric strain
2016 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Sundsvall: Mid Sweden University, 2016. p. 122
Series
Mid Sweden University doctoral thesis, ISSN 1652-893X ; 249
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:miun:diva-29722 (URN)STC (Local ID)978-91-88025-76-0 (ISBN)STC (Archive number)STC (OAI)
Public defence
2016-10-21, M102, Sundsvall, 10:15 (English)
Supervisors
Note

Vid tidpunkten för disputationen var följande delarbeten opublicerade: delarbete 1 accepterat, delarbete 5 accepterat.

At the time of the doctoral defence the following papers were unpublished: paper 1 accepted, paper 5 accepted.

Available from: 2016-12-21 Created: 2016-12-21 Last updated: 2017-06-30Bibliographically approved

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Nazar Ul Islam, MuhammadCheng, PengOelmann, Bengt

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