KONTROL ALAN AĞLARI İÇİN OPTİMUM STATİK MESAJ ZAMANLAMASI

Year 2018, Volume: 6 Issue: 3, 532 - 540, 28.09.2018

Esin Yavuz Sertaç Selim Sarıca Ekrem Artuç

https://doi.org/10.21923/jesd.442915

Cited By: 2

Abstract

Kontrol Alan Ağı (CAN), yüksek
performanslı ve yüksek güvenilirliği olan gerçek zamanlı bir haberleşme
protokolüdür. Bu çalışmada, SocketCAN ile bir CAN ağı tasarlanmış ve RM
algoritması kullanılarak optimum statik mesaj zamanlaması gerçekleştirilmiştir.
SocketCAN, Linux işletim sistemi için geliştirilen bir CAN uygulamasıdır. CAN
ağının performansı, öncelik karar mekanizmasına göre belirlenen zamanlamaya
bağlıdır. Optimum iletim için anahtar faktör, mesaj önceliklerinin
belirlenmesidir. RM zamanlama politikasına göre, iletilecek olan mesajların
öncelikleri iletim başlamadan önce belirlenir ve bir mesajın son teslim süresi
(deadline), periyoduna eşittir. En erken son teslim süresi olan mesaj, en
yüksek önceliği alır.

Keywords

CAN, Statik Zamanlama, SocketCAN

OPTIMUM STATIC MESSAGE SCHEDULING FOR CONTROLLER AREA NETWORKS

Abstract

Controller
Area Network (CAN) is a real-time communication protocol with high performance
and high reliability. In this paper, a CAN network was designed with the
SocketCAN and optimum static message scheduling was realized with using the RM
algorithm. SocketCAN is a CAN implementation developed for the Linux operating
system. The performance of the CAN network depends on the scheduling determined
by the priority decision mechanism. The key factor for optimum message
transmission is to determine message priorities. According to the RM scheduling
policy, the priorities of the messages are determined before the transmission
starts and deadline of a message is equal to its period. The message with the
earliest deadline has the higher the priority.    

Keywords

CAN, Static Scheduling, RM algorithm, SocketCAN

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