A real-time operating system supporting distributed shared memory for embedded control systems

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Dades bibliogràfiques
Publicat a:	Cluster Computing vol. 22 (Jan 2019), p. 989
Autor principal:	Tamura, Yuji
Altres autors:	Doan, Truong Thi, Chiba, Takahiro, Yoo, Myungryun, Yokoyama, Takanori
Publicat:	Springer Nature B.V.
Matèries:	Operating systems Data transfer (computers) Software Source code Control algorithms Control systems design Communication Controllers Variables Distributed control systems Design Embedded systems Time Division Multiple Access Modules Time synchronization Real time Distributed memory Distributed processing
Accés en línia:	Citation/Abstract Full Text Full Text - PDF
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Descripció
Resum:	The paper presents a real-time operating system (RTOS) that provides a distributed shared memory (DSM) service for distributed embedded control systems. Model-based design is widely adopted in embedded control software design and the source code of software modules can be generated from a controller model. The generated software modules exchange their input and output values through shared variables. We develop a RTOS with a DSM service to provide a location-transparent environment, in which distributed software modules can exchange input and output values through the DSM. The RTOS is an extension to OSEK OS. We use a real-time network called FlexRay, which is based on a time division multiple access (TDMA) protocol. The consistency of the DSM is maintained according to the order of data transfer through FlexRay, not using inter-node synchronization. The worst case response time of the DSM is predictable if the FlexRay communication is well configured.
ISSN:	1386-7857 1573-7543
DOI:	10.1007/s10586-017-1140-9
Font:	Advanced Technologies & Aerospace Database