TIME-OPTIMAL CONTROL OF NUCLEAR-REACTOR POWER WITH ADAPTIVE PROPORTIONAL INTEGRAL FEEDFORWARD GAINS

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A time-optimal control method which consists of coarse and fine control stages is described here. During the coarse control stage, the maximum control effort (time-optimal) is used to direct the system toward the switching boundary which is set near the desired power level. At this boundary, the controller is switched to the fine control stage in which an adaptive proportional-integral-feedforward (PIF) controller is used to compensate for any unmodeled reactivity feedback effects. This fine control is also introduced to obtain a constructive method for determining the (adaptive) feedback gains against the sampling effect. The feedforward control term is included to suppress the over-or undershoot. The estimation and feedback of the temperature-induced reactivity is also discussed.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
1993-06
Language
English
Article Type
Article
Citation

IEEE TRANSACTIONS ON NUCLEAR SCIENCE, v.40, no.3, pp.266 - 270

ISSN
0018-9499
URI
http://hdl.handle.net/10203/67049
Appears in Collection
NE-Journal Papers(저널논문)
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