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Product Family / Category

LABCAR Software / System

Product / Topic

LABCAR-RTPC

Type

RealTimes Article

Title

A Functional View

A Functional View

RealTimes 1.2010:

A Functional View
Bypass method deployed for ECU function testing

Hardware-in-the-Loop (HiL) testing systems have become prevalent in many areas of electronic systems development. By simulating the automotive environment (e.g., driver, vehicle, road, wind, etc.), they facilitate closed-loop testing of the functional and diagnostic behavior of electronic control units (ECUs) in the laboratory. However, HiL systems only connect to the ECU’s electrical interface and generally do not provide a way to interact with the ECU’s internal software variables. On the other hand, Software-in-the-Loop (SiL) systems provide full access to the internal software variables, but do not involve the physical ECU. For this reason, ETAS has developed a Function-in-the-Loop (FiL) test methodology based on the proven function bypass technology used in rapid prototyping.

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