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along with ADAS (Advanced Driver Assistance System) As functionality evolves to more advanced levels, the complexity of ECUs poses a serious challenge for testing and validation. TraditionalHardware-in-the-Loop (HiL) Test SystemOften, this is accompanied by high procurement costs and rigid deployment processes. In this article, we'll look at real-world examples of how to utilize theAvision PCAN-USB Pro FD AdapterIn addition, the standardized hardware and flexible software solutions break the bottleneck of testing and realize cost-effective and forward-looking testing.Radar ECU VerificationThe
A leading German automotive supplier needed to efficiently and accurately fulfill the newRadar ECU The test. As a manufacturer of driver assistance systems such as adaptive cruise control (ACC) and emergency brake control (NCC), the company has to meet extremely high safety and reliability requirements. These safety-critical systems must therefore be thoroughly tested in the early stages of development. At the same time, the test systems need to be highly flexible, cost-effective, and must support parallel use by multiple teams.
traditionalHardware-in-the-Loop (HiL) Test BenchThe cost of procurement and operation is extremely high, and the number of units is very limited, which makes it impossible to support multiple teams to use the system in parallel. In addition, due to the closed and complex nature of the system, it is difficult to adapt the technology, and it is difficult for engineers to make temporary adjustments or introduce new test ideas. Developers are unable to achieve the required depth of testing in the early stages of development, which not only affects the safety validation of the assistance system, but also slows down the overall R&D pace, seriously affecting the safety of the driver assistance system.Time-to-marketThe
To overcome these pain points, the enterprise has successfully developed a new set of standardized hardware and flexible and scalable software.Hardware-in-the-Loop (HiL) SystemThe The program is based on Avision PCAN-USB Pro FD Adapter Core - serves as a communication bridge between the radar ECU and the test PC, connecting the radar ECU directly to the test PC via USB.
The PC runs specially developed test software under Windows to simulate typical driving maneuvers such as accelerating, braking and steering, as well as the functions of the adaptive cruise control system. CorrespondingSignalThrough CAN FD Bus Transmission to the radar's ECU and the DBC resolver ensures absolute accuracy of signal interpretation.
The developers are assisted by a free PCAN-Basic API Automated test sequences are implemented in Python, with a graphical interface that provides real-time visualization of results and support for easy operation. The final construction of theSimulated EnvironmentIt allows developers to accurately test the performance of the radar's ECUs under a variety of operating conditions, at a significantly lower cost and with greater flexibility than traditional HiL systems.
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