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Bandwidth scheduling strategy with deterministic time-constraint for networked control systems

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3 Author(s)
Liman Yang ; Sch. of Autom. Sci. & Electr. Eng., Beihang Univ., Beijing, China ; Guilin Liu ; Qi Zheng

In view of the periodical tasks and emergent tasks transmitted in networked control systems, a bandwidth scheduling scheme with deterministic time-constraint is proposed. Based on task demands analysis, the limited network bandwidth is allocated to each transmission task properly by dividing time-window, setting priority of tasks and the initial transmission moment of each task. As a result, delay jitter is reduced and network bandwidth is used reasonably, which can guarantee the quality of network service. Finally, the simulation study of dual-cylinder pushing synchronous control system shows the effectiveness of the proposed scheme.

Published in:

Industrial Electronics and Applications (ICIEA), 2011 6th IEEE Conference on

Date of Conference:

21-23 June 2011