Feedback controller with low-pass-filter-based delay regulation for networked control systems

Daisuke Yashiro, Takahiro Yakoh

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

This paper proposes a novel traffic shaping algorithm for jitter buffers. Jitter buffers are effective in reducing jitter and therefore constitute an important technique used to improve the quality of real-time communication. Traffic shaping regulates the interval between packets received at the destination. Although the well-known dynamic jitter buffer needs to identify the maximum one-way delay and current one-way delays in the network, it is not necessary for our proposed approach to supply this information. Our algorithm utilizes a feedback controller to adjust the queuing delay in the jitter buffer to avoid packet overrun and underrun. In addition, a constant packet-receiving interval is achieved by employing a low-pass filter. The validity of our proposed method is confirmed through experiments of position control over a network.

Original languageEnglish
Article number6646309
Pages (from-to)3744-3752
Number of pages9
JournalIEEE Transactions on Industrial Electronics
Volume61
Issue number7
DOIs
Publication statusPublished - 2014 Jul

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Keywords

  • Jitter buffer
  • Motion control
  • Quality of service
  • Real-time communication
  • Time delay
  • Traffic shaping

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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