As the number of mechatronic components increases, and with it the complexity of electronic vehicle systems, tools and technologies for developing and specifically testing electronic control units (ECUs) are required. For this reason an increasing number of hardware-in-the-loop systems (HIL systems) is being used throughout the development process, by suppliers as well as automobile manufacturers themselves. HIL involves connecting the actual control units to the real-time simulation models of the vehicle. This makes it possible to perform systematic, automated testing of all ECUs both as individual components and within the overall system. Currently there is a clear trend in automotive development towards the use of intelligent sensors and actuators and towards the functional and spatial integration of sensors and actuators (in the form of add-on ECUs). These new mechatronic components are a particular challenge to HIL simulation, since with intelligent sensors and actuators, ECUs no longer simply have analog and digital interfaces, but also communicate with the sensors and actuators via proprietary or standard protocols (e.g. CAN). Integrated sensors and actuators, on the other hand, require the operation of physical and usually non-electrical interfaces. In addition to the electrical interfaces, electronic interfaces (such as protocols for intelligent sensors and actuators) and physical interfaces (for integrated sensors and actuators) also now need to be adequately served. Taking an ESP control unit as an example, this paper shows how dSPACE Simulator can be used to test these new mechatronics components as part of HIL simulation.
Integration of automotive mechatronic components in HIL simulation
Integration der Fahrzeugmechatronikbauelemente in der HIL-Simulation
2002
13 Seiten, 10 Bilder, 4 Quellen
Conference paper
English
Integration of automotive mechatronic components in HIL simulation
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