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Integrating a Pipeline Odorant System Using Open Source Software, Including a Kalman Filter Solution to Virtualize a Flow Rate Indicator

[+] Author Affiliations
Marco Antonio D. Bezerra

PETROBRAS, Salvador, Brazil

Sidney C. da Silva

TRANSPETRO, Ipojuca, Brazil

Silvio C. Silva

TRANSPETRO, Santos, Brazil

Paper No. IPC2018-78643, pp. V003T04A025; 10 pages
  • 2018 12th International Pipeline Conference
  • Volume 3: Operations, Monitoring, and Maintenance; Materials and Joining
  • Calgary, Alberta, Canada, September 24–28, 2018
  • Conference Sponsors: Pipeline Division
  • ISBN: 978-0-7918-5188-3
  • Copyright © 2018 by ASME


In a Supervisory Control and Data Acquisition (SCADA) system, operators use a human-machine interface (HMI) to interact with the process through industrial protocols, which have specific drivers (software pieces) installed in the SCADA servers. If the process device manufacturer does not develop a driver for its equipment, a gateway, with a protocol translator can be provided with the equipment, to translate its particular protocol to a standard industrial one, like the so popular Modbus.

This work presents the development of a gateway — protocol translator — that connects an odorant unit of a pipeline terminal, which has a proprietary protocol to an industrial protocol Modbus TCP/IP. All development is made with Open Source software.

The subject matter is extended to describe the solution to an issue observed due to the lack of a flowmeter in the odorant unit, where a Kalman filter was used as an estimator, to provide a virtual meter.

Copyright © 2018 by ASME



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