Optimal Scheduling Algorithm in Vehicular Real Time System

In this paper, we mainly discuss the optimal scheduling algorithms in Low-end ECU and In-vehicle information system. For Low-end ECU, we propose an optimal scheduling algorithm. This algorithm can guarantee schedulability of mandatory parts in periodic tasks, guarantee aperiodic tasks and minimize t...

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Bibliographic Details
Published in:Journal of networks Vol. 9; no. 3; p. 785
Main Author: Sun, Yuan
Format: Journal Article
Language:English
Published: Oulu Academy Publisher 01.03.2014
Subjects:
Algorithms
Bandwidth
Control systems
Information systems
Optimization
Real time
Scheduling
Tasks
ISSN:1796-2056, 1796-2056
Online Access:Get full text
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Summary:In this paper, we mainly discuss the optimal scheduling algorithms in Low-end ECU and In-vehicle information system. For Low-end ECU, we propose an optimal scheduling algorithm. This algorithm can guarantee schedulability of mandatory parts in periodic tasks, guarantee aperiodic tasks and minimize the average scheduling error of optional parts in periodic tasks. In-vehicle information system is a multi-constraint real-time and non-real-time application coexisted application system. To meet the system scheduling requirements, a feedback algorithm based on the Constant Bandwidth Server is designed to control the fraction of CPU bandwidth allocation and a precise mathematical model is provided. Finally, the experimental results prove the effectiveness of our framework and algorithm. [PUBLICATION ABSTRACT]
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ISSN:1796-2056
1796-2056
DOI:10.4304/jnw.9.3.785-792