Systems Engineering Archive

There are almost 500 articles published in this blog - it's easy to lose track. All search options are summarized in this archive: Simple search, chronological, or in the sidebar by category, by day or by date. Have fun browsing.

  • Trends and debates: Highlights of ReConf 2024
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    Trends and debates: Highlights of ReConf 2024

    The big trend at ReConf 2024 was AI. Other highlights included debates on MBSE and news on ReqIF. Read now

  • Embedded World: Little MBSE, lots of AI
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    Embedded World: Little MBSE, lots of AI

    Edge AI was the dominant topic at Embedded World 2024. The topic of systems engineering was of little importance. Read now

  • 3 reasons why MBSE is not dead
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    3 reasons why MBSE is not dead

    Lately, I've been reading more and more that MBSE is in a deep crisis. This might be because I'm stuck in the filter bubble of my own network, of course. It might also be because we're following the Gartner Hype Cycle and MBSE has moved past the peak of inflated expectations. I don't consider MBSE dead, and many others don't either. Call to action: I've been working with MBSE for many years and want to bring it into the mainstream. To achieve this, I'm currently looking for new clients or partners in particular who have recognized MBSE as a strategic goal and want to implement it with me in their company. Is that... Read now

  • Don't Panic! SysML v2 Book Review
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    Don't Panic! SysML v2 Book Review

    Even though SysML v2 is not yet an official standard, there is already at least one book available: Authors Tim Weilkiens and Christian Muggeo, known from the MBSE podcast, recently published the book „Don't Panic! – The Absolute Beginners Guide to SysML v2“. Here is the review of the book. Is the book worth reading? I will answer that in the following. Read now

  • Reality check: How helpful is AI in product development really?
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    Reality check: How helpful is AI in product development really?

    Ever since ChatGPT appeared on the screen, we have been experiencing enormous hype around the topic of AI. The fact that AI has been in use in all areas of our lives for decades is irrelevant. We are already feeling the effects in systems engineering, for example in programming. But how helpful is AI really in product development? A tip: less in the short term, more in the long term than you think. Read now

  • Jama Software sold for USD 1.2 billion
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    Jama Software sold for USD 1.2 billion

    Francisco Partners buys Jama Software for USD 1.2 billion. Jama is sold by Insight Partners and other investors. Read now

  • Acquisition chain: Renesas buys Altium buys Valispace
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    Acquisition chain: Renesas buys Altium buys Valispace

    The Valispace tool was acquired by Altium. The acquisition of Altium by Renesas is also currently underway. Read now

  • Polarion spring conference: Interesting developments at Siemens
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    Polarion spring conference: Interesting developments at Siemens

    I had the pleasure of attending the Polarion Spring Conference last week. Most readers will know that Polarion is a web-based requirements management tool. The focus of the event was Systems Lifecycle Management, so it was about much more than just Polarion. In particular, there are some interesting developments at Siemens, the manufacturer of Polarion. Read now

  • Panel on SysML v2 (Part 2): How can we achieve conformance?
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    Panel on SysML v2 (Part 2): How can we achieve conformance?

    This is the second part of the panel on SysML compliance. Last week, the panelists were introduced (Part 1). We also clarified what SysML compliance is all about and what the scope of compliance is. One thing is clear: the compliance of SysML v2 is at risk. Therefore, this time we will focus on the panelists' proposals for how we can achieve compliance. Here is the second part with Andreas Pollom, Daniel Siegl, Robert Karban, and Vince Molnár. Read now

  • Panel on SysML v2 (Part 1): Without conformance, users will suffer the most
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    Panel on SysML v2 (Part 1): Without conformance, users will suffer the most

    Last week, I moderated a panel with four well-known experts from the SysML world: Andreas Pollom, Daniel Siegl, Robert Karban and Vince Molnár explained why SysML conformance is important, how we can achieve it, what we get out of it and who suffers the most if we don't ensure conformance quickly. Below is a summary in German. The article also contains the one-hour English-language recording of the discussion. Read now

  • SysML: Avoid spaghetti models with the right package structure
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    SysML: Avoid spaghetti models with the right package structure

    It is amazing how quickly the number of elements in a system model grows. It is therefore essential to structure them correctly from the outset. Otherwise we quickly end up with "spaghetti models". This refers to models that look like a ball of spaghetti and are therefore difficult to understand. But almost all modeling languages, including SysML, give us the option of structuring the models. In SysML, we do this with the right package structure. Read now

  • What is System Lifecycle Management (SysLM)?
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    What is System Lifecycle Management (SysLM)?

    Readers of this blog may initially furrow their brows at the title: Is SysLM a typo? Do we need System Lifecycle Management when we already have Systems Engineering (SE) and Product Lifecycle Management (PLM)? I am writing this article for a specific reason, as I will be giving a presentation at the Polarion Spring Conference in Heidenheim (and online) on March 1, 2024, with the title: Scaling, Accelerating, and Mastering SysLM Through Modeling. Read now

  • Traceability can never start too early: Pre-Requirements Specification Traceability
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    Traceability can never start too early: Pre-Requirements Specification Traceability

    Traceability in requirements management and systems engineering is now a well-understood topic. But do we have traceability for what happens "before"? This refers to traceability to interviews, meeting minutes or legacy systems. This traceability becomes more important as complexity increases. In this respect, I found the recently published meta-study by Julia Mucha, Andreas Kaufmann and Dirk Riehle on this topic exciting. Below is a summary of the most interesting results. Read now

  • Allocation: Linking behavior and structure in SysML
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    Allocation: Linking behavior and structure in SysML

    Two key aspects of MBSE are the modeling of behavior and structure. With SysML, the structure is modeled with blocks and the behavior with activities. Allocation is the process of linking behavior and structure. Here is a small example. Read now

  • The MBSE triangle: language, tool, methodology
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    The MBSE triangle: language, tool, methodology

    In order to practice Model-Based Systems Engineering (MBSE), we need a foundation consisting of language, tool and methodology. SysML is the most popular, but not the only language. There is also a lot of choice when it comes to tools and methods. In the following, we take a closer look at the three elements and also give a few practical examples of three-way constellations. For example, Capella/Arcadia, SysML/Harmony/Rhapsody or SysML/MagicGrid/Cameo. Donation campaign: You have voted, the donation goes to... to the result >> Read now

  • Context modeling with the SysML block
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    Context modeling with the SysML block

    The block is one of the best known and most important elements of SysML. However, in practice I often see confusion and mistakes when beginners use it, especially on the whiteboard. This article is intended to help beginners in particular not to get into the wrong habit and to use the SysML block themselves as quickly as possible. Modeling the system context is a good example of this. And that's what this article is about. Experienced SysML experts will probably find this article boring. However, they can look for errors (guaranteed) and write their own tips on blocks in the comments. Read now

  • System context: meaning, modeling and practical applications
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    System context: meaning, modeling and practical applications

    Every development project has a system context. We should record this explicitly, with or without modeling. Read now

  • SE-Trends wishes you a successful 2024
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    SE-Trends wishes you a successful 2024

    In these days „between the years“, very few of you will be dealing with systems engineering (me neither!). So first things first: I wish you all a few quiet days with the people who are important to you. Don't forget: I will be donating on behalf of SE-Trends again this year. You can help decide for which organization by voting: Read now

  • What to donate for? SE-Trends fundraising campaign
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    What to donate for? SE-Trends fundraising campaign

    What should SE-Trends donate to in 2023? For the environment, peace, education or something completely different? Please vote by the end of 2023! Read now

  • 5+1 suggestions for improvement for the German automotive industry
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    5+1 suggestions for improvement for the German automotive industry

    The German automotive industry is in crisis, here are 5 suggestions for improvement from Prof. Stefan Bratzel and one from Michael Jastram. Read now

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