Research of determination method of upper limit value of gas mutation pre-warning
For problem that abnormal gas change below pre-set warning value cannot be found in time because existing safety monitoring and control systems of coal mine use overrun theory and take measured value by gas sensors as criterion, the paper proposed a pre-warning method for gas mutation below the pre-...
| Main Authors: | , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Department of Industry and Mine Automation
2013-01-01
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| Series: | Gong-kuang zidonghua |
| Subjects: | |
| Online Access: | http://www.gkzdh.cn/article/id/8861 |
| _version_ | 1797868555930173440 |
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| author | LU Jian-jun QU Shi-jia |
| author_facet | LU Jian-jun QU Shi-jia |
| author_sort | LU Jian-jun |
| collection | DOAJ |
| description | For problem that abnormal gas change below pre-set warning value cannot be found in time because existing safety monitoring and control systems of coal mine use overrun theory and take measured value by gas sensors as criterion, the paper proposed a pre-warning method for gas mutation below the pre-set limit value, and introduced two gas mutation pre-warning methods named static pre-warning and dynamic pre-warning. It did stratified sampling as well as distribution validation and fitting of static data and dynamic data of pre-warning basic data of gas mutation below the limit value according to probed gas data of N2202 working face of Yuwu Coal Mine, and got a conclusion that the basic data distribution of the static pre-warning and dynamic pre-warning is both in normal distribution. It also proposed a method to real-timely calculate upper limit value of the static pre-warning and dynamic pre-warning with hypothesis testing and interval estimation, which was verified by use of probed gas data of N2202 working face. |
| first_indexed | 2024-04-09T23:58:50Z |
| format | Article |
| id | doaj.art-3c6309e96b604e2aba182c030bc9f3c5 |
| institution | Directory Open Access Journal |
| issn | 1671-251X |
| language | zho |
| last_indexed | 2024-04-09T23:58:50Z |
| publishDate | 2013-01-01 |
| publisher | Editorial Department of Industry and Mine Automation |
| record_format | Article |
| series | Gong-kuang zidonghua |
| spelling | doaj.art-3c6309e96b604e2aba182c030bc9f3c52023-03-17T01:59:16ZzhoEditorial Department of Industry and Mine AutomationGong-kuang zidonghua1671-251X2013-01-013911316Research of determination method of upper limit value of gas mutation pre-warningLU Jian-jun0QU Shi-jia1Yuwu Coal Mine, Lu''an Coal Mining (Group) Co., Ltd., Changzhi 046103, ChinaChangzhou Automation Research Institute of CCTEG., Changzhou 213015, ChinaFor problem that abnormal gas change below pre-set warning value cannot be found in time because existing safety monitoring and control systems of coal mine use overrun theory and take measured value by gas sensors as criterion, the paper proposed a pre-warning method for gas mutation below the pre-set limit value, and introduced two gas mutation pre-warning methods named static pre-warning and dynamic pre-warning. It did stratified sampling as well as distribution validation and fitting of static data and dynamic data of pre-warning basic data of gas mutation below the limit value according to probed gas data of N2202 working face of Yuwu Coal Mine, and got a conclusion that the basic data distribution of the static pre-warning and dynamic pre-warning is both in normal distribution. It also proposed a method to real-timely calculate upper limit value of the static pre-warning and dynamic pre-warning with hypothesis testing and interval estimation, which was verified by use of probed gas data of N2202 working face.http://www.gkzdh.cn/article/id/8861coal mine monitoring and controlgas mutation pre-warningpre-warning below pre-set limit valuestatic pre-warningdynamic pre-warninggas volume fractioninspection cycle |
| spellingShingle | LU Jian-jun QU Shi-jia Research of determination method of upper limit value of gas mutation pre-warning Gong-kuang zidonghua coal mine monitoring and control gas mutation pre-warning pre-warning below pre-set limit value static pre-warning dynamic pre-warning gas volume fraction inspection cycle |
| title | Research of determination method of upper limit value of gas mutation pre-warning |
| title_full | Research of determination method of upper limit value of gas mutation pre-warning |
| title_fullStr | Research of determination method of upper limit value of gas mutation pre-warning |
| title_full_unstemmed | Research of determination method of upper limit value of gas mutation pre-warning |
| title_short | Research of determination method of upper limit value of gas mutation pre-warning |
| title_sort | research of determination method of upper limit value of gas mutation pre warning |
| topic | coal mine monitoring and control gas mutation pre-warning pre-warning below pre-set limit value static pre-warning dynamic pre-warning gas volume fraction inspection cycle |
| url | http://www.gkzdh.cn/article/id/8861 |
| work_keys_str_mv | AT lujianjun researchofdeterminationmethodofupperlimitvalueofgasmutationprewarning AT qushijia researchofdeterminationmethodofupperlimitvalueofgasmutationprewarning |