Timed Simulation of Extended AADL-Based Architecture Specifications with Timed Abstract State Machines

Abstract. The Architecture Analysis and Design Language (AADL) is a popular language for architectural modeling and analysis of software intensive systems in application domains such as automotive, avionics, railway and medical systems. These systems often have stringent real-time requirements. This paper presents an extension to AADL’s behavior model using time annotations in order to improve the evaluation of tim-ing properties in AADL. The translational semantics of this extension is based on mappings to the Timed Abstract State Machines (TASM) language. As a result, timing analysis with timed simulation or timed model checking is possible. The translation is supported by an Eclipse-based plug-in and the approach is validated with a case study of an industrial production cell system