Transient Identification in Nuclear Power Plants Based on Transient Division and Fuzzy Euclidean Distance

Chang Yuan; Huang Xiaojin; Li Chunwen; Hao Yi

Volume 35 Issue 1

Feb. 2025

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Chang Yuan, Huang Xiaojin, Li Chunwen, Hao Yi. Transient Identification in Nuclear Power Plants Based on Transient Division and Fuzzy Euclidean Distance[J]. Nuclear Power Engineering, 2014, 35(1): 106-109.

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Chang Yuan, Huang Xiaojin, Li Chunwen, Hao Yi. Transient Identification in Nuclear Power Plants Based on Transient Division and Fuzzy Euclidean Distance[J]. Nuclear Power Engineering, 2014, 35(1): 106-109.

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Transient Identification in Nuclear Power Plants Based on Transient Division and Fuzzy Euclidean Distance

1. Department of Automation, Tsinghua University, Beijing, 100084, China;
2. Institute of nuclear and new energy technology, Tsinghua University, Beijing 100084, China;
3. School of Management, Beijing Normal University, Beijing, 100875, China

Received Date: 2012-11-21
Rev Recd Date: 2013-07-25

Available Online: 2025-02-15

Abstract

Abstract

The transient identification techniques were recently developed to alert the operators about the faults in their early stages, therefore corrective actions can be taken in time to keep the safety of nuclear power plants. In this paper, the transients were split into two parts: the first part is identified by clustering method, while the other is identified by comparing three features of signals. The similarity between the on-line and the reference transients was described by Fuzzy Euclidean distance, which conforms to human understanding habits. The method was verified by simulator data of Pebble Bed Modular High Temperature Gas-cooled Reactor（HTR-PM） with Tsinghua University. It is shown that the transients can be correctly and quickly identified.
- Transient identification,
- Transient division,
- Wavelet preprocessing,
- Fuzzy theory

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