On Flexibility Analysis of Real-Time Control System Using Processor Utilization Function 


Vol. 12,  No. 1, pp. 53-58, Feb.  2005
10.3745/KIPSTA.2005.12.1.53


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  Abstract

The use of computers control and monitoring of industrial process has expanded greatly in recent years. The computer used in such applications is shared between a certain number of time-critical control and monitor function and non time-critical batch processing job stream. Embedded systems encompass a variety of hardware and software components which perform specific function in host computer. Many embedded system must respond to external events under certain timing constraints. Failure to respond to certain events on time may either seriously degrade system performance or even result in a catastrophe. In the design of real-time embedded system, decisions made at the architectural design phase greatly affect the final implementation and performance of the system. Flexibility indicates how well a particular system architecture can tolerate with respect to satisfying real-time requirements. The degree of flexibility of real-time system architecture indicate the capability of the system to tolerate perturbations in timing related specifications. Given degree of flexibility, one may compare and rank different implementations. A system with a higher degree if flexibility is more desirable. Flexibility is also an important factor in the trade-off studies between cost and performance. In this paper, it is identified the need for flexibility function and shows that the existing real-time analysis result can be effective. This paper motivated the need for a flexibility for the efficient analysis of potential design candidates in the architectural design exploration or real-time embedded system.

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[IEEE Style]

J. W. Chae and C. J. Yoo, "On Flexibility Analysis of Real-Time Control System Using Processor Utilization Function," The KIPS Transactions:PartA, vol. 12, no. 1, pp. 53-58, 2005. DOI: 10.3745/KIPSTA.2005.12.1.53.

[ACM Style]

Jung Wha Chae and Cheol Jung Yoo. 2005. On Flexibility Analysis of Real-Time Control System Using Processor Utilization Function. The KIPS Transactions:PartA, 12, 1, (2005), 53-58. DOI: 10.3745/KIPSTA.2005.12.1.53.

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