Title :
Analysis of schedulability of CAN based on RM algorithm
Author :
Shengmin, Cui ; Dafang, Wang ; Jianfeng, Wang ; Meng, Wu
Author_Institution :
Harbin Inst. of Technol. at Weihai, Weihai
Abstract :
In order to analyze the schedulability of realtime transmission of multi-messages on controller area network (CAN), an amended scheduling algorithm is put forward. This algorithm is based on rate-monotonic (RM) scheduling algorithm, which is widely used on scheduling realtime multitasks on uniprocessor. CAN is treated as exclusive critical sections. The utilization of CAN is defined as a key factor of schedulability. A realistic workload of CAN in pure electric vehicle is present, and the schedulability of this system is calculated. The result is coincident to the actual work. The RM-scheduling upper limits of variant velocity messages are counted, which can be used as the guideline to evaluate the communication ability of CAN.
Keywords :
controller area networks; electric vehicles; scheduling; CAN; controller area network; electric vehicle; rate-monotonic scheduling algorithm; schedulability analysis; Algorithm design and analysis; Automotive engineering; Communication cables; Communication system control; Electric vehicles; Guidelines; Monitoring; Protocols; Scheduling algorithm; Standards development; CAN; RM; real-time performance; schedulability;
Conference_Titel :
Vehicular Electronics and Safety, 2007. ICVES. IEEE International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-1265-5
Electronic_ISBN :
978-1-4244-1266-2
DOI :
10.1109/ICVES.2007.4456368
