Abstract

This paper presents the Matlab/Simulink-based Software-in-the-Loop Simulation (SILS) tool for OSEK-OS based ECU. The SILS tool has the capability for temporal and functional simulations of control systems. The temporal behavior of a control system is mainly dependent on the implemented software and hardware such as the real-time operating system (OSEK-OS), the target CPU, and the communication protocol. The SILS components with temporal attributes are specified as tasks, task executions, real-time schedulers (OSEK-OS scheduler), and real-time networks. Methods to realize these components in graphical block representations are investigated with Matlab/Simulink. Furthermore, in order to achieve a seamless development process from SILS to Rapid Control Prototyping (RCP), the SILS block set is designed to support automatic code generation in C codes without tool changes and block modifications.

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