CN106873050A - A kind of high speed rail earthquake pre-warning system detectio evaluation method - Google Patents
A kind of high speed rail earthquake pre-warning system detectio evaluation method Download PDFInfo
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Abstract
The present invention proposes a kind of high speed rail earthquake pre-warning system detectio evaluation method, including step 1) requirement based on the earthquake pre-warning state of the art and high-speed railway emergency action information issue real-time, propose detection project, evaluation index and the evaluation principle of high speed rail earthquake pre-warning system；2) signal source database is set up；3) systemic-function and performance detection are carried out by the way of separate unit station or many stations by the data acquisition unit of the Wave data input system in signal source database using signal generator；4) using the back production data of signal generator as system detection results, corresponding system evaluation is carried out according to the judge requirement and evaluation principle of detection Con trolling index.Security, reliability, accuracy and real-time in order to ensure high speed rail earthquake pre-warning system of the invention, has considered ambient influnence, site influence, the different factors such as earthquake magnitude and epicentral distance, for scientific and reasonable development system detectio assessment provides means.
Description
Technical field
The invention belongs to high-speed railway natural calamity early warning field, and in particular to a kind of high speed rail earthquake pre-warning system
System method of determination and evaluation.
Background technology
It is one of country of earthquake disaster most serious in the world that China is vast in territory, be distributed a plurality of Earthquake Fault Zone.
Current high-speed railway spreads all over the country each municipality directly under the Central Government of provincial capital, when earthquake occurs, devastatingly seismic wave arriving preceding more than ten
Second even sends earthquake warning information for several seconds and successfully by bullet train speed limit or parking, to preventing or mitigating earthquake
Disaster, guarantee railway have safely great economic implications and social effect.And earthquake pre-warning technology is in itself
As a world-famous puzzle, blended with high ferro technology, to earthquake alarm, alarm treatment requirement of real-time more
Strictly.
Earthquake alarm mainly by monitoring S ripples, sends alarm immediately after ground motion parameter reaches certain threshold value；
And earthquake pre-warning is then the speed difference of the speed difference, electromagnetic wave and seismic wave using P ripples and S ripples, in earthquake
Early warning is sent before the several seconds to tens of seconds that after generation and devastatingly seismic wave is not yet attacked.China Express Railway was both
Some earthquake alarm systems are used to monitor S ripples, do not possess P ripple warning functions, in view of China's earthquake takes place frequently
Property and high ferro distribution popularity, currently independent research is provided simultaneously with the early warning of P ripples and Threshold Alerts function
High ferro earthquake early-warning system.The system is related to seismic monitoring early warning, signal of communication, Train Detection and Identification, traction
Power transformation etc. is all multi-specialized, can be triggered with railway related system and linked, and realizes and national (province) Tai Wang centers
Interconnect.In view of the uncertainty that earthquake occurs, in order to ensure high speed rail earthquake pre-warning system
Security, reliability, accuracy and real-time, it is necessary to specific method of determination and evaluation system is verified and
Evaluate, can effectively be alarmed during practice, reduce wrong report so as to ensure.
The content of the invention
Security, reliability, accuracy and real-time in order to ensure high speed rail earthquake pre-warning system of the invention,
Ambient influnence, site influence, the different factors such as earthquake magnitude and epicentral distance are considered, have been scientific and reasonable development
System detectio assesses offer means.
The present invention is achieved through the following technical solutions：
1) requirement of real-time is issued based on the earthquake pre-warning state of the art and high-speed railway emergency action information, is carried
Go out detection project, evaluation index and the evaluation principle of high speed rail earthquake pre-warning system；
2) signal source database is set up；
3) using signal generator by the data acquisition unit of the Wave data input system in signal source database,
Systemic-function and performance detection are carried out by the way of separate unit station or many stations；
4) using the back production data of signal generator as system detection results, according to the judge of detection Con trolling index
It is required that and evaluate principle carry out corresponding system evaluation.
Wherein, detection project includes that Threshold Alerts, the early warning of P ripples, wrong report are automatically terminated and system recovery, earthquake
The issue of emergency action information, seismic event identification, strange land early warning, System self-test, fault diagnosis, log recording,
Power interruption recovering is from the project such as opening.
Wherein, it is related to the index of real-time for the system response time of seismic events in evaluation index, threshold value differentiates
Time, the early warning of P ripples differentiate that time, emergency action information generate time, emergency action information transfer time, touch
The interface actions time and wrong report releasing time of hair railway related system linkage.
Wherein, evaluate principle to be made using deduction of points, set raw score and fraction up to standard, for detection project, by
Item examination is deducted points accordingly successively.
Wherein, signal source database include and be not limited to earthquake, simulation seismic waveform data, sine wave,
The signals such as white noise signal, ramming, explosion, train interference, ambient noise.
Meanwhile, the detection evaluation group number of separate unit station or many stations is no less than 50 groups, the earthquake in signal source used
Wave data includes earthquake magnitude for 4-9 grade of earthquake record, and earthquake record acceleration peak value in the report for setting
It is evenly distributed in alert threshold range.
Compared with prior art, the fundamental research by earthquake pre-warning of the invention and high-speed railway disaster alarm
Engineering practice is combined, at the scene by way of signal generator is simulated and sends seismic waveform and interference waveform,
Consider bullet train operation, ambient noise, different Site Types, the different influences such as earthquake magnitude and epicentral distance,
The P ripples early warning of comprehensive verification high speed rail earthquake pre-warning system, Threshold Alerts, wrong report releasing, emergency action letter
Breath issue and train operation control system and the function of traction transformer substation system triggering linkage, the detection control of proposition
Index is comprising functional requirement, requirement of real-time, reliability requirement and evaluates principle.Detection Con trolling index is clearly straight
See, be easy to instruct fielded system to assess, for high speed rail earthquake pre-warning system detectio evaluation provides one kind effectively
Accurate ways and means.
Brief description of the drawings
The flow chart of Fig. 1 high speed rail earthquake pre-warning system detectio evaluation methods；
Fig. 2 signal source database seismic waveform schematic diagrames；
Fig. 3 high speed rail earthquake pre-warnings systemic-function and performance detection schematic diagram；
Specific embodiment
Methods described is elaborated below in conjunction with example and accompanying drawing：
In order to effective detection evaluates the security of high speed rail earthquake pre-warning system, reliability, accuracy and in real time
Property, a kind of high speed rail earthquake pre-warning system detectio evaluation method flow chart such as Fig. 1 institutes provided by the present invention
Show, instantiation is as follows：
Existed in itself based on the early warning of earthquake separate unit in this example and position difference inaccurate, of overall importance, do not possess at cross-line
The shortcoming and Duo Tai early warning Position location accuracies put are high, early warning differentiates that the time is long, the characteristics of be capable of achieving strange land early warning,
With improve the accuracy of high speed rail earthquake emergency action with it is ageing be target, respectively with regard to separate unit, the inspection of many
Con trolling index is surveyed to be classified.Separate unit early warning detection project includes Threshold Alerts, the early warning of P ripples, the automatic solution of wrong report
Except and system recovery, the issue of seismic emergency handling information, seismic event identification, System self-test, fault diagnosis,
Log recording, power interruption recovering from the project such as opening, many early warning detection projects include Threshold Alerts, the early warning of P ripples,
The projects such as the issue of seismic emergency handling information, wrong report are automatically terminated, strange land early warning.It is related in evaluation index in real time
Property system response time of index including seismic events, threshold value differentiate that time, the early warning of P ripples differentiate time, tight
Anxious disposal information generation time, emergency action information transfer time, the interface of triggering railway related system linkage are moved
Make time and wrong report releasing time.Separate unit and Duo Tai are evaluated principle and are made using deduction of points, set raw score as
100 points, fraction up to standard is 60 points.
Set up signal source database, signal source database includes earthquake, the seismic waveform data of simulation, just
The signals such as string ripple, white noise signal, ramming, explosion, train interference, ambient noise.Wherein natural seismic wave
Increase at least background noise data of 20s before shape, it is ensured that the system caused in signal generator hair ripple moment is reported by mistake
Can effectively be released, the detection of earthquake waveform not influenceed, as shown in Figure 2.
Replace the acceleration transducer of system using signal generator, the Wave data in signal source database is defeated
Enter in the data acquisition unit of system, carry out separate unit station or many station functions and performance detection, wherein many stations are detected
Number of stations be no less than 3 stations, as shown in Figure 3.It is used to detect that the signal source group number evaluated is many simultaneously
In 50 groups, the seismic waveform data in signal source used includes the earthquake record that earthquake magnitude is 4-9 grades, and earthquake
The acceleration peak value of record is evenly distributed in the range of the alarm threshold value of setting.
Using the back production data of signal generator as system detection results, according to the judge requirement of detection Con trolling index
Checked and rated item by item with principle is evaluated, deducted points accordingly successively.Set raw score as 100 points, final score
If being more than 60 points, system is judged to qualified；If final score is less than 60 points, system is judged to unqualified.
A kind of high speed rail earthquake pre-warning system detectio evaluation method that the present invention is provided, it is general for art
For logical technical staff, the change or variation of other multi-forms can also be made on the basis of the above description.
Here all of implementation method cannot be exhaustive, it is every belong to that technical scheme amplifies out it is aobvious
And the change that is clear to or change still in the row comprising scope of the invention.
Claims (6)
1. a kind of high speed rail earthquake pre-warning system detectio evaluation method, it is characterised in that methods described comprises the following steps：
1) requirement of real-time is issued based on the earthquake pre-warning state of the art and high-speed railway emergency action information, detection project, evaluation index and the evaluation principle of high speed rail earthquake pre-warning system is proposed；
2) signal source database is set up；
3) systemic-function and performance detection are carried out by the way of separate unit station or many stations by the data acquisition unit of the Wave data input system in signal source database using signal generator；
4) using the back production data of signal generator as system detection results, corresponding system evaluation is carried out according to the judge requirement and evaluation principle of detection Con trolling index.
2. method of determination and evaluation according to claim 1, it is characterized in that, the step 1) in, detection project includes Threshold Alerts, the early warning of P ripples, wrong report is automatically terminated and system recoverys, the issue of seismic emergency handling information, seismic event identification, strange land early warning, System self-test, fault diagnosis, log recording, power interruption recovering oneself the project such as open.
3. method of determination and evaluation according to claim 1, it is characterized in that, the step 1) in, it is related to the index of real-time to differentiate that time, the early warning of P ripples differentiate the interface actions time and wrong report releasing time of time, emergency action information generation time, emergency action information transfer time, the related system linkage of triggering railway for system response time of seismic events, threshold value in evaluation index.
4. method of determination and evaluation according to claim 1, it is characterised in that the step 1) in, evaluate principle and made using deduction of points, raw score and fraction up to standard are set, for detection project, check and rate deducted points accordingly successively item by item.
5. method of determination and evaluation according to claim 1, it is characterized in that, the step 2) in, signal source database including and be not limited to earthquake, the seismic waveform data of simulation, sine wave, white noise signal, ramming, explosion, train interference, the signal such as ambient noise.
6. method of determination and evaluation according to claim 1, it is characterized in that, the step 3) in separate unit station or many stations detection evaluation group number be no less than 50 groups, seismic waveform data in signal source used includes the earthquake record that earthquake magnitude is 4-9 grades, and the acceleration peak value of earthquake record is evenly distributed in the range of the alarm threshold value of setting.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108415094A (en) * | 2018-01-24 | 2018-08-17 | 武汉智博创享科技股份有限公司 | The method for being fitted comparison extraction buried pipeline attribute by Ground Penetrating Radar result |
| CN109959964A (en) * | 2019-04-28 | 2019-07-02 | 西安交通大学 | A kind of wideband ambient noise drawing method of high-speed rail focus seismic signal |
| CN113053064A (en) * | 2021-03-15 | 2021-06-29 | 中国地震局地球物理研究所 | Regional earthquake early warning system evaluation method and evaluation system |
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| US20030193837A1 (en) * | 2002-04-10 | 2003-10-16 | Westerngeco L.L.C., A Delaware Limited Liability Company | Processing seismic data |
| CN103033854A (en) * | 2012-12-12 | 2013-04-10 | 中国地震局地震研究所 | Analog seismic signal generator |
| CN103754241A (en) * | 2014-01-21 | 2014-04-30 | 中国铁道科学研究院 | Earthquake emergency processing method and system for high speed railway |
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2015
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Patent Citations (3)
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| US20030193837A1 (en) * | 2002-04-10 | 2003-10-16 | Westerngeco L.L.C., A Delaware Limited Liability Company | Processing seismic data |
| CN103033854A (en) * | 2012-12-12 | 2013-04-10 | 中国地震局地震研究所 | Analog seismic signal generator |
| CN103754241A (en) * | 2014-01-21 | 2014-04-30 | 中国铁道科学研究院 | Earthquake emergency processing method and system for high speed railway |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108415094A (en) * | 2018-01-24 | 2018-08-17 | 武汉智博创享科技股份有限公司 | The method for being fitted comparison extraction buried pipeline attribute by Ground Penetrating Radar result |
| CN109959964A (en) * | 2019-04-28 | 2019-07-02 | 西安交通大学 | A kind of wideband ambient noise drawing method of high-speed rail focus seismic signal |
| CN109959964B (en) * | 2019-04-28 | 2020-10-27 | 西安交通大学 | Broadband background noise suppression method for seismic signals of high-speed rail seismic source |
| CN113053064A (en) * | 2021-03-15 | 2021-06-29 | 中国地震局地球物理研究所 | Regional earthquake early warning system evaluation method and evaluation system |
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