NDLI: Control of a nuclear steam generator using feedback-feedforward LQG controller

Content Provider	IEEE Xplore Digital Library
Author	Parikh, N. Patwardhan, S. Bandyopadhyay, S. Gudi, R.
Copyright Year	2011
Description	Author affiliation: Department of Chemical Engineering, Indian Institute of Technology, Bombay, India (Patwardhan, S.; Gudi, R.) \|\| School of Petroleum Technology, Pandit Deendayal Petroleum University, Raisan, Gandhinagar, Gujarat, India (Parikh, N.) \|\| Department of Energy Systems Engineering, Indian Institute of Technology, Bombay, India (Bandyopadhyay, S.)
Abstract	Steam Generator (SG) is a major component in a nuclear power plant. Poor control of a nuclear steam generator can lead to frequent reactor shutdowns or it can damage turbine blades. To avoid such costly reactor shutdowns, there is a need to systematically investigate the problem of controlling the water level in the steam generator. In this work, we have proposed a novel concept of feedback-feedforward Linear Quadratic Gaussian (LQG) control scheme to achieve efficient servo and regulatory control of SG. The benchmark nonlinear dynamic model proposed by Astrom [1] has been simulated using MATLAB to carry out simulation studies. The major disturbance in a steam generator is steam demand and the proposed controller is capable of initiating a feedforward action in response to steam demand changes. This approach employs a Kalman filter for state estimation and uses estimation error feedback to achieve offset free closed-loop behavior. The closed-loop responses can be shaped using additional filters introduced to mitigate sudden changes in the setpoint and unmeasured disturbances. Finally, simulation results shows the effectiveness and the improved performance of the proposed method.
Starting Page	415
Ending Page	420
File Size	836982
Page Count	6
File Format	PDF
ISBN	9781424474608
e-ISBN	9789881725509
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-23
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Zhejiang University
Subject Keyword	Generators Steady-state Feedforward neural networks Mathematical model Modeling Inductors Equations
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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