Systematic Message Schedule Construction for Time-Triggered CAN

The most widely used standard for in-vehicle communication networks that interconnect electronic control units is the controller area network (CAN). However, the event-triggered architecture of CAN introduces several issues, such as predictability, signal jitter, and reliability. Different time-trig...

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Bibliographic Details
Published in:IEEE transactions on vehicular technology 2007-11, Vol.56 (6), p.3431-3441
Main Authors: Schmidt, K., Schmidt, E.G.
Format: Article
Language:English
Subjects:
Architecture
Bandwidth
Communication networks
Communication system control
Construction
Control systems
Hardware
Jitter
Messages
Multiple access
Networks
Performance analysis
Radio control
real time
Schedules
scheduling
Telecommunication network reliability
time-triggered controller area network (TTCAN)
Vehicle safety
Vehicles
vehicular communication networks
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Summary:The most widely used standard for in-vehicle communication networks that interconnect electronic control units is the controller area network (CAN). However, the event-triggered architecture of CAN introduces several issues, such as predictability, signal jitter, and reliability. Different time-triggered networks are being developed to address these issues. In this paper, we focus on time-triggered CAN (TTCAN), which achieves time-triggered behavior by implementing time-division multiple access on the existing CAN network standard. The main task is thus to construct a message schedule for a given set of messages while fulfilling certain performance criteria. To this end, we provide a formal framework for the construction of feasible message schedules in TTCAN networks by considering several performance metrics, such as bandwidth utilization and jitter, as well as the hardware constraints of the TTCAN controller specification.
ISSN:0018-9545
1939-9359
DOI:10.1109/TVT.2007.906413