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Hongke Solution] Cost-Effective ECU Test Solution: Hongke PCAN-USB Pro FD Enables More Flexible HiL Test Platforms

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

01. Project background

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.

02. Core Pain Point: Expensive, Rigid and Inefficient Testing Processes

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

03. Iridescent Solution: Standardized Hardware and Extensible Software

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.

Test Principle

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.

Development and Integration

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.

Application Value

  • High price/performance ratio: Replaces expensive traditional HiL proprietary systems with standardized hardware, dramatically reducing the cost of single-point testing.
  • Flexible and efficient: The test environment becomes extremely flexible, quickly adapting to new scenarios and automated processes, supporting parallel development by multiple teams and significantly shortening the R&D cycle.
  • high reliabilityThe interface card's optocoupler isolation and robust design ensures stable and reliable data communication even under long hours of high-intensity test operation.
  • plug-and-playThe simple USB connection supports plug-and-play, allowing you to move between workstations without a complicated installation program.

04 Product Core Advantages

  1. Flexibility and stability: Simple USB connection for plug-and-play operation without complicated installation. The system supports CAN CC, CAN FD (CAN XL version is now available) and can be connected to two CAN FD buses and two LIN buses at the same time, perfectly meeting the needs of current and future models.
  2. High stability and interference immunity: up to 1.5 GHz between each CAN FD channel and the USB and LIN channels in complex electromagnetic environments. 500V optocoupler isolationIt protects the test PC from the effects of the test in the industrial field or during mobile testing.Surge StrikeThe
  3. High precision and ruggedness: Timestamp resolution up to 1μsThe system is capable of analyzing telegrams with high precision and meets the stringent requirements of ADAS systems for real-time performance. The rugged aluminum housing ensures high mechanical stability during daily use in the lab or in the field.
  4. Flexible Configuration: Terminal resistance and optional 5V supply can be flexibly configured via soldered jumper, allowing specific test setups to be adapted without additional tools. In addition, the free PCAN-Basic API interface supports seamless integration of customized test software for full automation of the test process.
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