miun.sePublications
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
The effects of temperature gradient on transient behavior of low-range differential air pressure calibration setup
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: Proceedings of the IEEE International Conference on Industrial Technology, 2015, no June, 1488-1494 p.Conference paper, Published paper (Refereed)
Abstract [en]

Low range differential air pressure sensors are used widely in various applications. In this paper the effects of temperature change on transient behavior of the calibration setup for differential air pressure sensors, due to temperature gradient are analyzed. A high performance reference setup utilizing ideal gas law, for differential air pressure sensors, is selected for experimental analysis. The range of the setup is ±320 Pa with the achievable resolution down to 0.001% of the full scale. Due to the nature of ideal gas law, the experimental setup should also exhibit a high sensitivity to the temperature gradient on mechanical structure. In order to characterize the effects of this temperature gradient on the transient state of the setup, a two stage comparative experimental study is proposed. In stage one a thermal buffer is introduced surrounding the mechanical structure of the setup and the experiments are conducted by changing the temperature to the system. In stage two the temperature is changed in the same manner, but the experiments are conducted with the original experimental setup. From the results obtained by the experiments using the thermal buffer, it is observed that the temperature change of 5°C, can cause the system to stay in transient state for up to 32 hours with an error of up to 10% of full scale. Whereas, the results from the original calibration setup show that the system stays in transient state for more than 96 hours with a monotonic drift. From the comparative analysis of the experimental results we conclude that the high sensitivity calibration setup for differential air pressure sensors also have a high sensitivity to the temperature gradient. Although the thermal buffer can minimize the effects of the temperature gradient on the transient behavior of the calibration setup, the modification to the existing mechanical design is considered as more practical. Future work is proposed in order to study the thermal gradient on the mechanical structure and design a setup that is less vulnerable to it. © 2015 IEEE.

Place, publisher, year, edition, pages
2015. no June, 1488-1494 p.
Keyword [en]
Actuators, Calibration, Electronics, Mechanical factors, Pressure measurement, Temperature measurement
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-25807DOI: 10.1109/ICIT.2015.7125307ISI: 000377572201070Scopus ID: 2-s2.0-84937716722Local ID: STCOAI: oai:DiVA.org:miun-25807DiVA: diva2:852905
Conference
2015 IEEE International Conference on Industrial Technology, ICIT 2015; Seville; Spain; 17 March 2015 through 19 March 2015
Note

Export Date: 28 August 2015

Available from: 2015-09-10 Created: 2015-08-28 Last updated: 2016-12-23Bibliographically 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. 67 p.
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. 122 p.
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

Open Access in DiVA

No full text

Other links

Publisher's full textScopus

Search in DiVA

By author/editor
Nazar Ul Islam, Muhammad N. U.Cheng, PengOelmann, Bengt
By organisation
Department of Electronics Design
Electrical Engineering, Electronic Engineering, Information Engineering

Search outside of DiVA

GoogleGoogle Scholar

Altmetric score

Total: 341 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf