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Hardware-in-the-Loop (HIL) Testing: Why It's Crucial for Mission-Critical Systems

By Embedded India Engineering Team • October 10, 2025 • 5 min read • 18 views

Eliminating Field Failures with Automated HIL Test Rigs

Hardware-in-the-Loop (HIL) testing connects physical electronic control units (ECUs) to simulated sensor environments, CAN/LIN bus injects, and programmable power supplies. It enables automated regression testing of corner-case faults that cannot safely be tested on physical vehicles or machines.

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