[ISO26262] #17. Legacy Safety Mechanisms – To Discard or Reuse?

In the rapidly evolving technological landscape of the automotive industry, embedded systems are becoming increasingly complex. Designing new systems from scratch requires substantial time and resources, particularly in the safety-critical domain. Fortunately, reusing proven legacy safety mechanisms from previous projects can be an attractive strategy to reduce development time, lower costs, and leverage verified reliability. However, simply … Read more

[ISO26262] #16. Demystifying ISO 26262 DFA Safety Measures for Automotive Engineers

Hey there, fellow automotive engineers! If you’ve been wrestling with ISO 26262 compliance lately (and who hasn’t?), you’ve probably encountered the somewhat intimidating concepts of Dependent Failure Analysis (DFA) and Safety Measures. Today, I want to break these down into practical, applicable insights that you can actually use in your day-to-day work. The Safety Challenge … Read more

[ISO26262] #15. The Hidden Key to ISO 26262 DFA: Everything About Coupling Factors

The Hidden Key to ISO 26262 DFA: Everything About Coupling Factors Hello everyone! Today, I’d like to talk about Coupling Factors – a concept frequently mentioned but often difficult to understand deeply in the world of automotive functional safety. Having spent years developing safety systems as an automotive engineer, I’ve experienced firsthand how crucial this … Read more

[ISO26262] #14. DFA Core: Mastering Dependent Failure Initiator Analysis

As system complexity increases in automotive functional safety, the importance of analyzing dependent failures that occur through interactions between multiple elements is growing. The ISO 26262 standard requires Dependent Failure Analysis (DFA) to systematically manage these dependent failures, with Initiator (or DFI, Dependent Failure Initiator) being the core concept that serves as the starting point … Read more

[Requirements Engineering] #1. Navigating Complexity: Requirements Engineering Strategies for Automotive E/E Systems

Hello everyone! Today I’d like to discuss one of the hottest topics in the modern automotive industry: requirements engineering for electronic and electrical (E/E) systems. I’d like to share insights and practical strategies I’ve gathered from over a decade of working in this field. The Challenge of Modern Automotive E/E Systems Look inside any modern … Read more

[ISO26262] #13. ISO 26262 ASIL in Practice: Key Challenges and Innovative Strategies

If you’re in the automotive industry, you’ve likely heard of ‘ISO 26262’ and ‘ASIL.’ What was once considered merely ‘regulation for regulation’s sake’ has now become the cornerstone of automotive safety. I’d like to share the real-world challenges and solution strategies I’ve experienced while implementing ASIL in my functional safety work. ASIL Allocation: The Complex … Read more

[MBSE-Method] #4. How Architecture-Centric Thinking is Transforming Automotive E/E Development (and Why It Matters for Tier-1s)

The Dawn of a New Paradigm: A Massive Shift in the Automotive Industry The automotive industry stands at a historic turning point. With the rapid evolution of Software-Defined Vehicles (SDVs), the complexity of Electronic/Electrical (E/E) systems has reached unprecedented levels. We’ve entered an era where millions of lines of code interact across numerous Electronic Control … Read more

[ISO26262] #12. Understanding ASIL A Assignment Through Freedom From Interference (FFI) in ISO 26262

Balancing Safety and Efficiency: New Challenges in Modern Automotive Systems As modern automotive systems evolve into more integrated and cost-optimized platforms, mixed ASIL (Automotive Safety Integrity Level) environments have become commonplace. It’s no longer unusual for ASIL D safety-critical components to share the same ECU with Quality Management (QM) elements or even legacy software. How … Read more

[Certification] #3. IREB CPRE Foundation Level Exam Review & Key Study Tips (2025 Latest)

📝 Crossing the First Gateway of Requirements Engineering In January 2025, I earned the IREB Certified Professional for Requirements Engineering – Foundation Level (CPRE FL) certification. I’m sharing this review and study tips hoping it will be genuinely helpful for those preparing for the same exam. Exam Preparation Period & Material Selection Experience I studied … Read more

[SysML Lectures] Day 1: The Complete Guide to SysML: Mastering Systems Modeling

Hello, systems engineering community! Today I’m diving deep into SysML (Systems Modeling Language), the game-changer in modern engineering. If you’re designing complex systems or interested in MBSE (Model-Based Systems Engineering), this post is going to be incredibly valuable for you! What is SysML? SysML is a general-purpose modeling language specifically designed for systems engineering. Extending … Read more