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EA user group london 2018

EA User Group London 2018

A post by guest author Guillaume Finance: Following the success from last year with the new two-day event made up of a training day (optional) and a day of user stories, technical expertise, lessons learnt and networking, the next EA User Group for Sparx community of users will take place again this year in London. We will gather again…
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Happy Birthday, UML

Happy Birthday, UML!!!

A blog post from my colleague Axel Scheithauer reminded me of the birthday of UML. It seems that no one – including the OMG – except him, has recognized the 20th anniversary of the UML. I will not copy Axel’s blog post and instead just highlight some facts about UML and give you a gift…
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Golden Gate Bridge

Next Generation SysML – All-clear for Takeoff

The OMG has voted for the SysML v2 RFP on their quarterly technical meeting in San Francisco last week. That means the set of requirements for SysML Version 2.0 is fixed and officially published. It took more than two years to write the RFP. Systems engineering modeling experts from all over the world – users…
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Global Warming, Systems Engineering for the Planet

Systems Engineering for the Planet

You have probably read the article “Warning to Humanity: A Second Notice” that is currently spread through the media. To be honest, it is not surprising that our world is in bad shape. We know that since decades, but our action is too lame in most cases. Political, financial, and other issues dilute real consequent…
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Engineering the Smart Grid

A post by guest author Christian Neureiter. Engineering the „Smart Grid“ has proven to be a challenging task. A critical factor for the development of dependable and robust grids is the successful establishment of interdisciplinary cooperation between different stakeholder. To serve this purpose, major research has been conducted over the last years on how to…
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Conjugation Considered Harmful!

A post by guest author Axel Scheithauer: SysML is based on the UML, and I think that was a good choice. However, some concepts of the UML don’t make sense in the world of systems and then sometimes lead to not so useful ideas, like typed binding connectors (how many user defined types of equality…
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What’s new in SysML 1.5 – Miscellaneous

The third and last part of the blog post series about the changes of SysML 1.5 covers several minor updates. Reception compartment Now SysML explicitly defines a block compartment for signal receptions. It is the same notation as in UML. The following figure depicts an example of the reception compartment.   Requirement compartments The SysML…
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Logo OMG Systems Modeling Language (OMG SysML)

SysML 1.5 officially published!

Now SysML 1.5 is officially published. You find the specification on the OMG server: http://www.omg.org/spec/SysML/. I’ve written a blogpost series about the changes of SysML 1.5.

Logo OMG Systems Modeling Language (OMG SysML)

What’s new in SysML 1.5 – Requirements modeling

This post is the second part of the blog post series about the changes of SysML 1.5. The biggest novelty in SysML 1.5 is only visible on the second view. If you do not use the new feature, you will not recognize it. Since version 1.0 SysML provides the model element Requirement to model text-based requirements,…
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What’s new in SysML 1.5 – Overview

This blog post series presents the changes of the SysML version 1.5 that are relevant for modelers. I skip those changes that only affect the specification document like typos or rewordings. You may also be interested in the blog post series about the changes in the SysML version 1.4. The first part of this blog…
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