A Finite-Time Differentiator with Application to Nuclear Reactor Inverse Period Measurement Article Swipe
Yunlong Zhu
,
Zhe Dong
,
Duo Li
,
Xiaojin Huang
,
Yujie Dong
,
Yajun Zhang
,
Zuoyi Zhang
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.3390/en15124487
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.3390/en15124487
The measurement of the growth rate, or the so-called inverse period, of a nuclear reactor is crucial for safety monitoring and control purposes. Due to the inevitable statistical fluctuation of neutron flux at low power-levels, it is difficult to precisely estimate the inverse period from the pulse counting data in the source range. Motivated by the equivalence of the measurement of inverse period and the differentiation of the logarithm of pulse count, a new differentiator is proposed, which is finite-time convergent with a bounded steady estimation error. The feasibility of this newly-built finite-time differentiator is verified by numerical simulation. Then, based on the pulse count data recorded during the startup of a test reactor, the differentiator is used to estimate the inverse period and its derivative, as well as the period and the reactivity of the reactor. The results show that the differentiator is capable of providing a satisfactory estimation of signal derivatives under strong noise.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/en15124487
- https://www.mdpi.com/1996-1073/15/12/4487/pdf?version=1655802817
- OA Status
- gold
- Cited By
- 6
- References
- 21
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4283275411
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Raw OpenAlex JSON
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https://openalex.org/W4283275411Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3390/en15124487Digital Object Identifier
- Title
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A Finite-Time Differentiator with Application to Nuclear Reactor Inverse Period MeasurementWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2022Year of publication
- Publication date
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2022-06-20Full publication date if available
- Authors
-
Yunlong Zhu, Zhe Dong, Duo Li, Xiaojin Huang, Yujie Dong, Yajun Zhang, Zuoyi ZhangList of authors in order
- Landing page
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https://doi.org/10.3390/en15124487Publisher landing page
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https://www.mdpi.com/1996-1073/15/12/4487/pdf?version=1655802817Direct link to full text PDF
- Open access
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
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https://www.mdpi.com/1996-1073/15/12/4487/pdf?version=1655802817Direct OA link when available
- Concepts
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Differentiator, Inverse, Control theory (sociology), Logarithm, Mathematics, Neutron flux, Applied mathematics, Computer science, Mathematical analysis, Neutron, Physics, Filter (signal processing), Nuclear physics, Control (management), Computer vision, Geometry, Artificial intelligenceTop concepts (fields/topics) attached by OpenAlex
- Cited by
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6Total citation count in OpenAlex
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2025: 2, 2024: 3, 2023: 1Per-year citation counts (last 5 years)
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21Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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