NDLI: Model based networked control for time-varying delay and modeling error

Content Provider	IEEE Xplore Digital Library
Author	Uchimura, Y. Shimano, H.
Copyright Year	2010
Description	Author affiliation: Shibaura Institute of Technology, 3-7-5 Toyosu, Koto-ku, Tokyo Japan (Uchimura, Y.; Shimano, H.)
Abstract	This paper proposes a compensation scheme for both the time varying delay and the plant model uncertainty. As well known, time delay in feedback loop does not only weaken system performance, in worst-case situations it can cause system unstable. Conventional research treated the time varying delay as uncertain perturbation; however it restricts the performance of the system. In fact, the time delay on a network is not completely uncertain. That is, it is measurable value. Therefore we propose a method to measure individual time delays and utilize them for the model-based compensator. In the model based control, the modeling error between the plant model and real plant can affect the performance and stability of the system. However, perfect modeling of the plant is very difficult; therefore we employed a robust control based compensator to avoid the instability due to uncertainty. To evaluate the performance of the proposed system, we carried out experiments on a motor control system. From the results, we verified the stability and satisfactory performance of the system with the proposed methods.
Starting Page	64
Ending Page	69
File Size	735706
Page Count	6
File Format	PDF
ISBN	9781424466689
ISSN	19436572
e-ISBN	9781424466702
e-ISBN	9781424466696
DOI	10.1109/AMC.2010.5464024
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-03-21
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Error correction Delay effects Uncertainty Stability Feedback loop System performance Time varying systems Time measurement Robust control Motor drives
Content Type	Text
Resource Type	Article

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