Browse Publications Technical Papers 2011-01-2263
2011-09-13

Maturity Level and Variant Validation of Mechatronic Systems in Commercial Vehicles 2011-01-2263

Driver assistance systems (e.g. the emergency brake assist Active Brake Assist2, or ABA2 for short, in the Mercedes-Benz Actros) are becoming increasingly common in heavy-duty commercial vehicles. Due to the close interconnection with drivetrain and suspension control systems, the integration and validation of the functions make the most exacting demands on processes and tools involved in mechatronics development.
In addition to a multi-stage test process focusing on the functions of the driver assistance systems (software), the “electrical” aspects (hardware) also form part of holistic maturity level validation.
The test process is supported by state-of-the-art, high-performance tools (e.g. automatable component test benches and overall vehicle HiL systems) which, in particular, allow quick and accurate configuration in line with different vehicle variants.
Another challenge is the diversity of commercial vehicle variants, which entails numerous different control unit parameters that are custom-coded in the production process. This means that almost every vehicle is unique in terms of how its mechatronic systems are programmed.

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