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<p class="MsoNormal">We held the first of three SEA-SA RASDS working meetings on 24 May 21<o:p></o:p></p>
<p class="MsoNormal">Attendees: Huang, Krosley, Radulescu, Shames<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">ISO TC20/SC14 - Shames<o:p></o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo2">Presented (briefly) the status from the SC14 meeting held 21May21.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo2">Described current terminology approach in SC14, which is to use the SANA. Issues from ISO leadership seem to be worked out. They would like a Beta site “mock up†of what this might
look like. <o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo2">We will need to work with the SANA to see what is possible.<o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">RASDS++ Operational Viewpoint – Radulescu<o:p></o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo2">Presented the revised Operations Viewpoint ontology, only minor adjustments were identified, but others may be needed based on the rest of the discussions<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo2">It is essential for the terminology definitions and the assertions in the ontology to align correctly, some “leveling†work remains<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo2">The ontology view addresses objects and their relationships. It also aligns with the definitions.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo2">An example Mission Operations System (MOS) “swimlane†process flow was reviewed. This example starts with the reception of downlink telemetry, ends with uplinked commands, and uses
traditional commanding. Other approaches are possible.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo2">Some adjustments to the diagram were made, on the fly<i>,
</i>to better align with the rest of the method<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo2">Revised Method<o:p></o:p>
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<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Swimlanes are assigned to systems (people, hardware, software, procedures)<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Each swimlane is tied to a system element to be modeled (correspondence to decomposed system, and to Functions)<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Swimlanes contain elements (rounded rectangles) that represent processes<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Processes are named using actions words, or verbs, such a “Process Dataâ€, “Transmit Commandsâ€<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Output of Processes are Products, which may be data or some component (or state of being).<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Processes involve one or more Activities.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Products flow out of one Process and into another.
<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Systems (in swimlanes) may be further decomposed into lower level systems elements.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Different sets of swimlanes may appear in different diagrams (higher, or lower, levels of details as well as different scope, like MOS/ground only or end-to-end.<o:p></o:p></li></ul>
</li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo2">In the process of reviewing and updating the diagram we had to clarify some definitions of terms. The following is the current subset for this purpose:<o:p></o:p>
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<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">System: hardware, software, people, procedure<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Swimlanes are associated with system elements<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Swimlanes may be horizontal or vertical, whatever fits best<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Process: activity that delivers a component or product<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Procedure: ordered set of tasks for performing some actions<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Action: generates some event, changes some device<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Activity: behavior to achieve a goal<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Goal: the intention of an activity or plan<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Questions?
<o:p></o:p></li></ul>
</li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Next Working Meeting, 25 May 21 @ 0700 AM PDT<o:p></o:p></p>
<p class="MsoNormal">Agenda:<o:p></o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo2">Review the new changes to the Physical Viewpoint – Ramon Krosley leader<o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
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