Synchronization of multiple plants over networks via switching observer with time-stamp information

Yukinori Nakamura; Kentaro Hirata; Kenji Sugimoto

doi:10.1109/SICE.2008.4655152

Synchronization of multiple plants over networks via switching observer with time-stamp information

Yukinori Nakamura, Kentaro Hirata, Kenji Sugimoto

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

9 Citations (Scopus)

Abstract

This paper considers synchronization of multiple plants over networks. The effect of time-varying transmission delay is compensated by a switching observer which uses the time-stamp information. To calculate the instantaneous value of transmission delay length via the time-stamp, the clocks of sending and receiving computers must be synchronized. It is shown that the correction of the difference of the quartz frequencies of the computers and the clock adjustment via NTP (Network Time Protocol) can provide the time synchronization within a required accuracy for moderate sampling periods. Proposed method is demonstrated by an experiment of synchronization of DC-motors over a real network.

Original language	English
Title of host publication	Proceedings of SICE Annual Conference 2008 - International Conference on Instrumentation, Control and Information Technology
Pages	2859-2864
Number of pages	6
DOIs	https://doi.org/10.1109/SICE.2008.4655152
Publication status	Published - 2008
Externally published	Yes
Event	SICE Annual Conference 2008 - International Conference on Instrumentation, Control and Information Technology - Tokyo, Japan Duration: Aug 20 2008 → Aug 22 2008

Publication series

Name	Proceedings of the SICE Annual Conference

Other

Other	SICE Annual Conference 2008 - International Conference on Instrumentation, Control and Information Technology
Country/Territory	Japan
City	Tokyo
Period	8/20/08 → 8/22/08

Keywords

Experiment over a real network
Switching observer
Synchronization of multiple plants
Time-stamp

ASJC Scopus subject areas

Control and Systems Engineering
Computer Science Applications
Electrical and Electronic Engineering

Access to Document

10.1109/SICE.2008.4655152

Cite this

Nakamura, Y., Hirata, K., & Sugimoto, K. (2008). Synchronization of multiple plants over networks via switching observer with time-stamp information. In Proceedings of SICE Annual Conference 2008 - International Conference on Instrumentation, Control and Information Technology (pp. 2859-2864). Article 4655152 (Proceedings of the SICE Annual Conference). https://doi.org/10.1109/SICE.2008.4655152

Synchronization of multiple plants over networks via switching observer with time-stamp information. / Nakamura, Yukinori ; Hirata, Kentaro; Sugimoto, Kenji.
Proceedings of SICE Annual Conference 2008 - International Conference on Instrumentation, Control and Information Technology. 2008. p. 2859-2864 4655152 (Proceedings of the SICE Annual Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Nakamura, Y , Hirata, K & Sugimoto, K 2008, Synchronization of multiple plants over networks via switching observer with time-stamp information. in Proceedings of SICE Annual Conference 2008 - International Conference on Instrumentation, Control and Information Technology., 4655152, Proceedings of the SICE Annual Conference, pp. 2859-2864, SICE Annual Conference 2008 - International Conference on Instrumentation, Control and Information Technology, Tokyo, Japan, 8/20/08. https://doi.org/10.1109/SICE.2008.4655152

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abstract = "This paper considers synchronization of multiple plants over networks. The effect of time-varying transmission delay is compensated by a switching observer which uses the time-stamp information. To calculate the instantaneous value of transmission delay length via the time-stamp, the clocks of sending and receiving computers must be synchronized. It is shown that the correction of the difference of the quartz frequencies of the computers and the clock adjustment via NTP (Network Time Protocol) can provide the time synchronization within a required accuracy for moderate sampling periods. Proposed method is demonstrated by an experiment of synchronization of DC-motors over a real network.",

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AB - This paper considers synchronization of multiple plants over networks. The effect of time-varying transmission delay is compensated by a switching observer which uses the time-stamp information. To calculate the instantaneous value of transmission delay length via the time-stamp, the clocks of sending and receiving computers must be synchronized. It is shown that the correction of the difference of the quartz frequencies of the computers and the clock adjustment via NTP (Network Time Protocol) can provide the time synchronization within a required accuracy for moderate sampling periods. Proposed method is demonstrated by an experiment of synchronization of DC-motors over a real network.

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Synchronization of multiple plants over networks via switching observer with time-stamp information

Abstract

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Keywords

ASJC Scopus subject areas

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