LIU , Jing

We study the use of Multiform Logical Time, as embodied in Esterel/SyncCharts and Clock Constraint Specification Language (CCSL), for the specification of assume-guarantee constraints providing safe driving rules related to time and space, in the context of Automated Driving Assistance Systems (ADAS). The main novelty lies in the use of logical...

Due to the mobility of autonomous vehicles and changing context through time, the constraints in safe driving rules specification need to be irregularly updated for monitoring the trajectory plan. This is not assumed in the Spatial-Temporal Logic. This paper proposes a novel approach to build the specification of assume-guarantee constraints...

The specification of modeling and analysis of real-time and embedded systems (MARTE) is an extension of the unified modeling language (UML) in the domain of real-time and embedded systems. Even though MARTE time model offers a support to describe both discrete and dense clocks, the biggest effort has been put so far on the specification and...

The specification of Modeling and Analysis of Real-time and Embedded Systems (MARTE) is an extension of UML in the domain of Real-Time and Embedded Systems. However, unified modeling of continuous and discrete variables in MARTE is still an unsolved problem for hybrid real-time system development. In this paper we propose an extended...

The Clock Constraint Specification Language (CCSL) provides expressions and relations to specify the time requirements and causal dependencies of systems. It was initially proposed, in the context of MARTE: the UML profile for Modeling and Analysis of Real-Time and Embedded Systems. In this paper, we propose a method to verify CCSL...

Les automates ouverts(OA) sont des modèles symboliques et paramétrés pour les systèmes concurrents ouverts. Ici,ouvert désigne des systèmes partiellement spécifiés, qui peuvent être instanciés ou assemblés pour construire de plus grands systèmes. Une propriété importante pour de tels systèmes est la "compositionnalité", ce qui signifie que les...

As the embedded systems are becoming more and more complex, requirements engineering approaches are needed for modeling requirements, especially the timing requirements. Among various requirements engineering approaches, the Problem Frames(PF) approach is particularly useful in requirements modeling for the embedded systems due to the...

The Clock Constraint Specification Language (CCSL) is a formal polychronous language based on the notion of logical clock. It defines a set of kernel constraints that can represent both asynchronous and synchronous relations. It was originally developed as part of the UML Profile for MARTE to express causal and temporal constraints of Real-time...

After acute kidney injury (AKI), surviving cells within the nephron proliferate and repair. We identify Sox9 as an acute epithelial stress response in renal regeneration. Translational profiling after AKI revealed a rapid upregulation of Sox9 within proximal tubule (PT) cells, the nephron cell type most vulnerable to AKI. Descendants of Sox9(+)...