[step-manufacturing] Minutes of meeting on adding QIF to the WG15 work scope

[Martin Hardwick]

Attendees:
Martin Hardwick, STEP Tools, USA
Thanh Huynh, Okuma, USA
Larry Maggiano, Mitutoyo, USA
David Loffredo, STEP Tools, USA
David Briggs, Boeing, USA
John Horst, NIST USA
Bengt Olsson, Sandvik, Sweden
Alain Brail, Airbus (reitred), France
Christian Caillet, Datakit, France
Kjell Bengtsson, EPM, Norway
Serigusz Sobieski, TIZ Implements, Poland
Jumyumg Um, POSTECH, Korea
Bob Ericksson, P&W, USA
Asa Trainer, ITI, USA
Liming Li, MIcro Encoder, USA
John Horst, NIST USA,
Curtis Brown, KCP, USA
Dan Finke, Penn State University, USA

We discussed the potential inclusion of QIF in the work program of WG15.

The O3 project used three standards: STEP, MTConnect and QIF to enable 
the integrated measurement of machined parts during manufacturing.

Each standard has its own advantages and capabilities.

  * STEP excels at product modeling which requires a large investment
    and needs stability to maintain value and secure long term archiving.
  * MTConnect excels at process monitoring which requires real time
    communication and a data model that is easy to process.
  * QIF excels at reporting which requires a rich, flexible data model
    that can explain the reasons for a report.

Together the standards can define a digital thread for manufacturing, 
but separately they need additional capabilities. Efforts are being made 
to extend these capabilities but for example, a technology that is good 
at reporting run time process changes may not be good for the long term 
archiving of product model data and vice versa.

The O3 project suggests there is an alternative which is to have the 
three standards cooperate within a federated framework. In such a 
framework a new edition of Part 28 might be used to communicate changes 
between manufacturing systems. Such a Part 28 could be modeled after 
MTConnect and used to communicate information updates between executing 
manufacturing systems. The architecture is illustrated by the diagram 
below and the O3 project has made a video describing how it might work.

https://youtu.be/n_syXtpyxgM

The next conference call will be on August 23rd.

Recorded by Martin Hardwick
Convener ISO STEP WG15 Digital Manufacturing

Action Items:
Possibility of including QIF within the WG16 program to be reviewed by 
the DMSC

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