ECU simulation tools are software or hardware devices designed to simulate the communication and behavior between vehicle electronic control units (ECUs). Such tools are equipped with communication simulation, data generation and processing, real-time simulation, fault simulation, etc. They also support a wide range of interface compatibility, debugging and analysis functions, and flexible configuration options. ECU simulation tools play a key role in the development, testing and validation of automotive electronic systems, helping engineers verify the correctness and stability of the system and speeding up the development and integration of new features.
Common ECU simulation tools will produce "CAN card" or "LIN card" that can be used with host computer according to different vehicle bus protocols. Taking the CAN/CAN FD bus as an example, the traditional "CAN card" usually needs to be initiated by the host computer, and packages and sends messages through software or various interfaces, which is inconvenient to operate in some automated production lines or offline test scenarios.
The "offline" nature of the CAN/CAN FD bus ECU offline simulation tool is critical, as it allows engineers to simulate, analyze, and verify inter-ECU communications independently of the actual vehicle. This simulation capability, which does not require connection to an actual vehicle, provides a valuable and safe test environment for system development, troubleshooting and performance evaluation.
Offline ECU simulation reduces the time and cost of testing on a real vehicle.
Allows engineers to test and debug more flexibly and frequently, helping to identify problems at an early stage, validate new features, and optimize overall system performance.
Before adding a new ECU, it can be pre-validated with the ECU offline simulation tool to ensure that its communication behavior is fully compatible with the existing bus architecture.
Through the built-in programmable firmware, the CAN/CAN FD bus message structure, including Frame ID, DLC, TYPE, DATA, etc., can be defined independently, and the CAN transceiver in the gateway automatically sends message signals to the bus to establish stable and real-time offline communication.
The built-in programmable firmware, written in C, allows you to freely set the response logic of the telegrams during the communication process, thus realizing the ECU simulation effect.
Compared with the traditional CAN card + host PC emulation method, offline emulation tools are usually more cost-effective. It eliminates the need for expensive CAN cards and some physical hardware, effectively reducing the overall investment.
Offline simulation offers greater flexibility and customizability, allowing you to simulate a variety of scenarios and conditions in a virtual environment for freer testing and adjustments without the limitations of physical hardware.
Because it does not rely on host computer software, offline simulation can significantly shorten the development and testing cycle, and can complete debugging and validation in real time, saving time waiting for hardware availability.
Conducting simulation tests in a virtual environment reduces the potential risk of damage or failure to the actual system and provides safer testing conditions and environments.
6-way CAN bus interface
2 CAN/CAN FD Bus Routers
4 CAN gateways/routers
Universal CAN Router
