Announcing xtUML 2015

One Fact is excited to announce xtUML 2015! This two day summit will cover xtUML methodology as well as open-source BridgePoint development. We look forward to engaging with the xtUML user base and facilitating connections between users and developers. We hope you can join us in Indiana. See the registration page for all the details.

Experiment

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Each experiment has a name and ‘runs on’ a timeline. A timeline ‘has first’ timeline event and may be ‘is running’ a current timeline event. A timeline event is one of waveform, data acquisition or program. A timeline has a duration which is calculated as the sum of the durations of the longest timeline event at […]

UML-RT + xtUML

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Papyrus-RT Integrated BridgePoint This video demonstrates a simple integrated tool platform and integrated project.  The integrated tools are Papyrus-RT and BridgePoint (both available as open source downloads).  The integrated project is partly UML-RT and partly xtUML.

Models 2015

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“Fall 2015 Tour” is now in Ottawa, Ontario,Canada at the Models 2015 conference. The first day Executable Modeling Workshop represented a significant concentration of knowledge and experience, both in the speakers and the participants.

Autosampler

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The autosampler has been written about in the xtuml.org Model Snippet of the Day.  Here is a new (as in today) version of the autosampler built by a small team of engineers in a training class lab exercise.  This model works and has excellent state behavior. Tangible class behavior has been modeled in probe and […]

football (futbol, soccer)

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The game of football (fútbol, soccer) may be the most widely played game in the world. One player at a time kicks the ball. The field bounds the ball. The referee penalizes players when they commit fouls. A good coach coaches one to many players. The lifecycle of ball can be modeled by location. The ball […]

Stevenson Screen (Weather Station)

This model provides a functional allocation for a weather system known as a Stevenson Screen.  Such a weather enclosure contains and protects instrumentation used to measure temperature, humidity, barometric pressure and records specialized derivatives of these measurements. A barometer, hygrometer, thermometer, psychrometer and dewcell measure physical factors in the environment.  A thermograph records temperature and […]

xtUML + UML-RT

Engineering teams model in xtUML using BridgePoint.  Engineering teams model in UML-RT using Papyrus-RT.  A larger system can integrate the generated code from each of these tools together.  An example project has been prepared using the GPS Watch example. In the GPS Watch, the Tracking component is modeled in xtUML using BridgePoint.  The Heart Rate […]

Semantic Steps

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In a previous post we explored three layers of a UML tool: application (top), semantic (middle) and technology (bottom).  These three layers influence one another but also enjoy a measure of modular independence from one another.  Changes can be made in one layer without disrupting other layers. The middle semantic layer houses the metamodel.  Let us […]