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Overheads due to context switching and external interrupt management are core characteristics for Real-Time Operating Systems (RTOS) since they play a central role in their performance and timeliness. In this paper we evaluate two core characteristics for the Real-Time Executive for Multiprocessor Systems (RTEMS), an operating system used for supporting space applications. Our assessment makes use...
Reconfigurable system provides both flexibility of software and performance of hardware. It is a significant trend in embedded application domain. Some new reconfigurable technologies and technology-dependent tools have been developed, but the whole design flow for run-time reconfigurable systems with real-time operating system support is not proposed. RTOS plays an important role in the system and...
Bio Informatics has emerged as one of those sciences in which if knowledge, if exploited ethically, will result in the general benefit of mankind. The enormity of DNA strand data has been revealed to be of humongous proportions. It is imperative to employ the art of parallel and distributed supercomputing in order to process such magnanimous magnitudes of data. We have deployed a scalable array of...
This paper will present a hybrid concept for enabling non real time operating systems to control real time tasks without modifying the operating system itself. As an example an embedded controller with a non real time flavor of the LINUX operation system is used to generate a pulse width modulated signal. The theoretical concepts will be explained in combined with practical results. Comparisons will...
The RTOS (Real-Time Operating System) is a critical component in the SOPC (System-On-Programmable-Chip), in which the hardware-software unified multi-task management and scheduling of RTOS can significantly improve the performance of SOPC. First, we build a unified scheduling policy based on hardware-software unified multi-task management model. Then, we analyze the shared resources competition problem...
In recent years, the embedded system has become a common goal sought by the academic world such as computer science, electronics, electrical engineering... etc or product developers. As we enter into the post-PC era, advances in electronics, information technology, and mobile computing provide the basis for the development of embedded systems and related products. This paper documents all relevant...
A CNC system which was based on embedded processors and embedded-real-time-operating system was structured. Its hardware platform which is of dual-CPU model is designed by ARM and DSP. This structure is used to control production process. FPGA module realizes systempsilas flexible manufacturing and reconfiguration. Due to the disadvantages of single task software structure this paper uses embedded...
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