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The MatPLC is an international project to develop a program similar to a PLC (programmable logic controller) for POSIX operating systems. It is an open source application consisting of a core, generic modules, and tools for creating custom modules. Since many control and monitoring systems are distributed in nature, they require that the application be running on an embedded system capable of withstanding...
In many application fields, such as surveillance, monitoring, exploration, and rescuing, the use of multiple coordinated robot units seems to be the most convenient solution, in terms of costs, performance, and efficiency. In this paper we present a distributed real-time architecture for coordinating a set of mobile robot that have to operate according to a common objective. The interaction with the...
The degree of sophistication of operating systems involved in factory automation has increased steadily in recent years, leading to products that provide the concurrent execution of process control functions and general-purpose applications. This paper gives some insights on the use of virtualization techniques on an ARM processor, in order to support the coexistence of multiple operating systems...
Dynamic voltage scaling (DVS) is a technique used in modern microprocessors operated by battery to set voltage and frequency levels at proper values that meet performance requirements while minimizing energy consumption. Most of the present work on DVS management, however, is based on simplistic assumptions about the hardware characteristics that limit the real applicability of the proposed algorithms...
This paper presents the ReTiS simulation tool and its use for real-time application analysis. Simulation concerns the operational architecture and takes into account the software (executable code of real-time tasks and real-time operating system) and the hardware (set of processors and networks). In this paper we show a mechanism that allows to detect task switch and to analyze task's stack (usage...
The growing complexity of embedded applications has motivated system designers to search for methods and tools that enable the automatic generation of embedded systems. This paper outlines a strategy for generating customized run-time support systems and specific hardware platforms for dedicated applications. Based on the application-oriented system design methodology, the approached strategy proposes...
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