An Algorithm of Auto-Update Threshold for Singularity Analysis of Pipeline Pressure
A precise auto-update threshold algorithm (AUTA) which imitates the short-term memory of human brain is proposed to search singularities in pipeline pressure signal. According to the characteristics of the pressure signal, the pressure can be divided into two states known as nonsteady state and stea...
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| Published in | Mathematical problems in engineering Vol. 2013; no. 2013; pp. 1 - 7 |
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| Main Authors | , , , |
| Format | Journal Article |
| Language | English |
| Published |
Cairo, Egypt
Hindawi Publishing Corporation
01.01.2013
John Wiley & Sons, Inc |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1024-123X 1026-7077 1563-5147 1563-5147 |
| DOI | 10.1155/2013/495425 |
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| Abstract | A precise auto-update threshold algorithm (AUTA) which imitates the short-term memory of human brain is proposed to search singularities in pipeline pressure signal. According to the characteristics of the pressure signal, the pressure can be divided into two states known as nonsteady state and steady state. The AUTA can distinguish these two states and then choose corresponding method to calculate the dynamic thresholds of pressure variation in real time. Then, the parameters of AUTA are analyzed to determine their values or ranges. Finally, in the simulations to the actual pressure signal from oil pipelines, we verified the effectiveness of AUTA in estimating the dynamic threshold value of pressure. |
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| AbstractList | A precise auto-update threshold algorithm (AUTA) which imitates the short-term memory of human brain is proposed to search singularities in pipeline pressure signal. According to the characteristics of the pressure signal, the pressure can be divided into two states known as nonsteady state and steady state. The AUTA can distinguish these two states and then choose corresponding method to calculate the dynamic thresholds of pressure variation in real time. Then, the parameters of AUTA are analyzed to determine their values or ranges. Finally, in the simulations to the actual pressure signal from oil pipelines, we verified the effectiveness of AUTA in estimating the dynamic threshold value of pressure. |
| Author | Ma, Dazhong Feng, Jian Liu, Jinhai Tan, Liang |
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| ContentType | Journal Article |
| Copyright | Copyright © 2013 Jinhai Liu et al. Copyright © 2013 Jinhai Liu et al.; This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
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| SubjectTerms | Accuracy Algorithms Brain Computer simulation Dynamics Engineering Fault diagnosis Fuzzy sets Leak detection Mathematical analysis Methods Neural networks Neurosciences Noise Object linking & embedding Petroleum pipelines Process controls Singularities Steady state Thresholds |
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| Title | An Algorithm of Auto-Update Threshold for Singularity Analysis of Pipeline Pressure |
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