Overview
The customer is a leading global company developing and manufacturing trucks in all sizes. The goal is todevelop profitable products to ensure a strong competitive offer for each truck size based on common vehicle architecture and shared technology. The Electronic Control Units (ECU´s) are parts of the common vehicle architecture which is getting more and more complex. The customer has identified a need for more efficient and flexible ways of testing the where the ECU´s need to be tested manually, semi-automatically or automatically.
The customer is a leading global company developing and manufacturing trucks in all sizes. The goal is todevelop profitable products to ensure a strong competitive offer for each truck size based on common vehicle architecture and shared technology. The Electronic Control Units (ECU´s) are parts of the common vehicle architecture which is getting more and more complex. The customer has identified a need for more efficient and flexible ways of testing the where the ECU´s need to be tested manually, semi-automatically or automatically.
A number of test systems based on a common test platform are therefore provided to support the customers product development globally for all truck sizes, both existing and future models.
The Challenge
- Simulate all physical interfaces of all used ECU´s simultaneously.
- Support single ECU testing by simulating the truck network and all other ECU´s.
- Easy reconfiguration of test setup in order to test all truck models for all brands.
- Support environmental simulation models in order to resemble a complete truck driving on the road.
- Design, Build, and Ship test systems to the customer globally with local support.
System Description
- The platform is based on the test concept xMove. The concept provides a distributed I/O solution where each ECU has its own customized interface box with the data buses connected between the boxes.
- Each interface box is configured with a National Instruments CompactRIO system and computer controlled interface boards providing functionality such as signal conditioning and fault injection.
- The system is operated by a desktop PC connected to one or more powerful real-time PC´s used for testing and simulation. These real-time PC´s are controlling the distributed CompactRIO units.
- All software in the systems is developed using NI LabVIEW, the leading software for graphical system design. In the test platform LabVIEW is used for:
- Control and supervision with NI TestStand executing the test sequences.
- Real-time simulation supporting Simulink models using NI Simulation Interface Toolkit.
- Low level FPGA programming of the CompactRIO I/O for high performance signal conditioning.
For more information, please contact
Hans Nyström, Prevas
