Bookcover of PROCESS IDENTIFICATION
Booktitle:

PROCESS IDENTIFICATION

IDENTIFICATION AND CONTROL OF RELAY-STABILIZABLE PROCESSES

VDM Verlag Dr. Müller (2009-08-21 )

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ISBN-13:

978-3-639-18948-3

ISBN-10:
3639189485
EAN:
9783639189483
Book language:
English
Blurb/Shorttext:
In recent years, several methods of identification of the frequency response of stable processes have been developed. However, for unstable processes these methods are not applicable. In this work, a sinusoidal-signal based relay method is presented which can be used to identify several points on the Nyquist plot of an unstable process. The method is referred to as RFS (Relay Feedback with Sinusoidal input). The procedure involves injecting a mixed sinusoidal signal into the feedback loop stabilized by a standard relay. Fourier analysis techniques are then used to estimate Nyquist points corresponding to various frequencies. Information obtained from the RFS method can then be used to design robust controllers using tuning rules which consider both the minimum and maximum gains needed to stabilize the process. The methods presented in this work should help engineers involved in process control and modeling, to deal with a range of challenging unstable processes.
Publishing house:
VDM Verlag Dr. Müller
Website:
http://www.vdm-verlag.de/
By (author) :
SHANKAR PRASAD YADDANAPUDI JAYA
Number of pages:
84
Published on:
2009-08-21
Stock:
Available
Category:
Technology
Price:
4671.53 руб
Keywords:
Process Control, Identification, Relay, unstable processes, PI control, frequency response, unstable exothermic CSTR

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