NDLI: The impact of control delay upon the performance of a DC-motor control: Comparison of a centralized vs. a network-based approach

Content Provider	IEEE Xplore Digital Library
Author	Dornelas, M.T. Dutra, T.F. Santos, M.M. Portugal, P. Vasques, F.
Copyright Year	2009
Description	Author affiliation: ISR/IDMEC Faculdade de Engenharia UP Porto, Portugal (Portugal, P.; Vasques, F.) \|\| Centro Universitário do Leste, de Minas Gerais, Coronel Fabriciano, Brazil (Dornelas, M.T.; Dutra, T.F.; Santos, M.M.)
Abstract	An important aspect when dealing with computer control systems is the impact of control delay upon the performance of the controlled item. Such control delay may be a consequence of the computer controlled implementation or, for the case of a network based control system, can be the consequence of the use of a communication network to interconnect sensors and actuators with the controller. Basically, control applications require a predictable delay between measurement and actuation, with small variability, i.e., small jitter. In this paper we present some simulation results concerning the impact of a varying control delay upon the performance of a DC-Motor, both for a centralized computer-controlled setup and for a network based control system. The results for the centralized setup were also experimentally confirmed. For the network-based setup it was used the h-BEB real-time communication protocol. The evaluated scenarios were simulated using the TrueTime simulator that is based in MATLAB/Simulink. The experimental tests were developed in LabVIEW, where the controller task was executed as a software routine. The tests consisted in the variation of the sampling period and control delay to determinate the steady region of the system.
Starting Page	2505
Ending Page	2510
File Size	1082210
Page Count	6
File Format	PDF
ISBN	9781424446483
ISSN	1553572X
e-ISBN	9781424446506
DOI	10.1109/IECON.2009.5415224
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-11-03
Publisher Place	Portugal
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Centralized control Delay Communication system control Control systems Computational modeling Computer networks Communication networks Sensor systems Actuators Application software control delay and DC-motor computer control system network-based control system real-time
Content Type	Text
Resource Type	Article

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