NDLI: Discrete-time domain two-degree-of-freedom control design for industrial stable processes with input time delay

Content Provider	IEEE Xplore Digital Library
Author	Dong Wang Tao Liu
Copyright Year	2015
Description	Author affiliation: Inst. of Adv. Control Technol., Dalian Univ. of Technol., Dalian, China (Dong Wang; Tao Liu)
Abstract	In this paper a discrete-time domain 2DOF design method is proposed for industrial stable processes with input time delay, based on a recently developed two-degree-of-freedom (2DOF) control structure. The setpoint tracking controller is analytically designed based on the $H_{2}$ optimal control principle, and another controller for load disturbance rejection is derived by proposing the desired closed-loop complementary sensitivity function. Both controllers can be tuned independently to realize control optimization. Analytical expression of the setpoint response is given for quantitatively tuning the single adjustable parameter in the setpoint tracking controller. At the meantime, the tuning constraints of another adjustable parameter in the controller for disturbance rejection are derived by establishing the sufficient and necessary conditions for holding robust stability of the closed-loop system. Illustrative examples from the literature are used to show the effectiveness and merit of the proposed control method.
Starting Page	2820
Ending Page	2825
File Size	494202
Page Count	6
File Format	PDF
ISBN	9789881563897
ISSN	19341768
DOI	10.1109/ChiCC.2015.7260070
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-28
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Technical Committee on Control Theory, Chinese Association of Automation
Subject Keyword	stable process Sensitivity Robust stability Delay effects Design methodology Process control two-degree-of-freedom control discrete-time domain Time delay Tuning Load modeling robust stability
Content Type	Text
Resource Type	Article

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