https://jaehyeon.me/tags/iot/Recent content in IoT on Jaehyeon KimHugo -- gohugo.ioenCopyright © 2023-2026 Jaehyeon Kim. All Rights Reserved.Wed, 29 Apr 2026 00:00:00 +0000https://jaehyeon.me/blog/2026-04-28-digital-twin-dynamic-des/Wed, 29 Apr 2026 00:00:00 +0000https://jaehyeon.me/blog/2026-04-28-digital-twin-dynamic-des/Asynchronous Gap A true Hybrid Digital Twin does more than just mirror reality. It actively forecasts the future by running a simulation against live operational states. We established this in Part 1. If you have ever tried to build one of these systems from scratch, you immediately hit a fundamental architectural clash. Standard simulation clocks (like those in traditional SimPy implementations) are logically synchronous and not designed to handle high-frequency asynchronous I/O without explicit decoupling.https://jaehyeon.me/blog/2026-04-23-digital-twin-industry-4-0/Wed, 22 Apr 2026 00:00:00 +0000https://jaehyeon.me/blog/2026-04-23-digital-twin-industry-4-0/A simulation and a digital twin are often treated as the same thing, but they are built differently. A traditional simulation runs offline on assumed inputs. An operational digital twin stays aligned with one real system as it changes. This post walks through the layers that separate the two, and an event-driven hybrid that combines them. Beyond CAD Models There is a project by Dassault Systèmes called the Living Heart that illustrates the trajectory of this technology.