CN102530028A - Railway track real-time monitoring system and data processing method thereof - Google Patents

Abstract

The invention discloses a railway track real-time monitoring system and a data processing method thereof, and belongs to the filed of railway track safety. The railway track real-time monitoring system comprises a piezoelectric sensor, a collection box, a wireless sensor and a vibrator, wherein both the piezoelectric sensor and the vibrator are arranged on the railway track and connected with the collection box; the wireless sensor is arranged on a high-voltage power line; the collection box sends an encryption signal to the vibrator; the vibrator drives the railway track to generate the vibration; the piezoelectric sensor acquires a vibration audio signal on the railway track and sends the vibration audio signal to the collection box for processing; and the collection box transmits the vibration audio signal through the wireless sensor in a wireless or wired transmission way. In the invention, the vibration audio signal is taken as a data basis for analyzing the failure happening in front of a train, the monitoring blind zone of the railway track is eliminated, the integral collection of the fault analysis basis data is achieved, the failure happening in front of the train can be predicted through the data processing method, and the intelligentization and the netwoking of the monitoring system are improved greatly.

Description

Railroad track real-time monitoring system and data processing method thereof

Technical field

The present invention relates to the railway track safety monitoring system, especially a kind of railroad track real-time monitoring system and data processing method thereof based on the vibration sound signal.

Background technology

Railway transportation is as the indispensable communications and transportation mode of modern society; Born about 50% traffic capacity in China; By the end of 2006 the end of the year Chinese Railway total kilometrage be 76600 kilometers; According to up-to-date railway planning, China will reach more than 120,000 kilometers the total kilometrage of railway at the year two thousand twenty, and realize the multiple line more than 95%.The railway transportation development is just towards multiple lineization and high speed development.

The development of railway will bring huge economic gain to country, brings great convenience to the people, and can drive the develop rapidly of related industry.But the high speed development of railway also brings a lot of problems, and especially the transportation safety problem is the most outstanding.The major traffic accidents that occurred in nearly 2 years on the railway are existing frequently, in order to reduce accident rate as far as possible, guarantee railway safety; One side needs to improve the awareness of safety of railway interests; Need guarantee the construction quality of railway engineering on the other hand, also have the safety monitoring that to strengthen railroad track on the one hand exactly, can when danger occurs, be sent to train, railway monitoring center and railway dispatching center to information as early as possible; Win valuable time for processing danger, prevent trouble before it happens.

Present international and domestic rail conditions safety detection and control mainly contain four kinds of modes:

1. video monitoring.The method receives the weather conditionality too big, such as foggy weather etc.;

2. ultrasonic testing.The method receives factor restrictions such as geographic factor such as turning tunnel too big;

3. electric signal (command lamp) is commanded.The method receives climatic conditions (thunderbolt etc.) and power-supply system restriction;

4. artificial security inspection of inspecting the road.The method alerting ability is good, but the result varies with each individual, and management difficulty is very big, waste of human resource, and input cost is higher.And receive the constraint of regional condition, and go on patrol the workman in addition and can not patrol and examine in 24 hours, can not accomplish round-the-clockly to patrol and examine simultaneously with the system-wide section.

Inevitably there be blind area and the blind spot of self in above-mentioned four kinds of modes, have great potential safety hazard.Therefore, the automatic on-line formula detection alarm system of research and development rail system is the certainty of railway industry security developments.

Summary of the invention

One of the object of the invention provides a kind of railroad track real-time monitoring system, and with the vibration sound signal of the railroad track basis as failure analysis, the complete collection of failure analysis basic data has been realized in the monitoring blind area of having eliminated railroad track.

Another object of the present invention provides a kind of data processing method of railroad track real-time monitoring system; Only need considerably less artificial auxiliary monitoring; Can accomplish complicated huge rail monitoring; Predict train the place ahead fault exactly, improved intellectuality, the networking of monitoring system greatly and reduced railway track inspection worker's working strength significantly.

To achieve these goals; The invention provides a kind of railroad track real-time monitoring system; It is characterized in that: comprise piezoelectric transducer, collecting cassette and wireless senser; Wherein said piezoelectric transducer is arranged on the railroad track and connects said collecting cassette, and said collecting cassette connects said wireless senser, and said wireless senser is arranged on the high voltage power line;

Said piezoelectric transducer is used to gather the vibration sound signal on the railroad track;

Said collecting cassette is used for said vibration sound signal is carried out modulation treatment, and the vibration sound signal after will modulating sends to said wireless senser;

Said wireless senser is used for wireless or this vibration sound signal after treatment of wire transmission mode transmission.

The transmission medium of this wire transmission mode comprise high voltage power line, power line anchor wire, set up special-purpose additional communication circuit, fiber plant order wire, utilize in the signal lamp existing communication circuit at least a; And this wireless transmission method comprises in WIFI, bluetooth, zigbee, radio frequency and gps satellite, the satellite communication at least a; Wherein when with the high voltage power line being this vibration sound signal of transmission medium transmission, by high voltage power line this vibration sound signal after treatment of form transmission with power line carrier.

This railroad track real-time monitoring system also comprises the vibrator that is installed on the railroad track, and wherein said collecting cassette is used for sending coded signal to said vibrator, and said vibrator drives railroad track and produces vibration.

This railroad track real-time monitoring system also comprises in Train Control chamber, station control cabin and the circuit monitoring chamber at least one, and wherein said wireless senser is transferred in said Train Control chamber, station control cabin and the circuit monitoring chamber at least one with wireless or wire transmission mode with vibration sound signal after treatment.

The vibration sound signal of gathering 5 ~ 10 wireless sensers in train the place ahead when said Train Control chamber adopts wireless transmission method to receive the vibration sound signal.

Said piezoelectric transducer (1) is installed in the midway location of railroad track (2) upper rail groove (4).

Said wireless senser is made up of power supply unit, processing unit, wireless communication unit, magnet ring and magnet ring card, and wherein said power supply unit is used to provide power supply;

Said magnet ring is used for receiving treated vibration sound signal and sending to processing unit through winding displacement from said collecting cassette;

Said processing unit is used for this vibration sound signal is handled;

Said processing unit also connects wireless communication unit, wire transmission circuit respectively, is used for transmitting this vibration sound signal with wireless or wired mode respectively.

Said Train Control chamber, station control cabin and circuit monitoring chamber are used for said vibration sound signal is carried out transferring to cable network behind the superencipher; Be transferred to higher level's Control Room through said cable network; And this higher level's Control Room transfers to dedicated network after encrypting through three times, is transferred to monitoring master station by said dedicated network.

Said railroad track real-time monitoring system has the self-operating status monitoring function, when breaking down, can in time make a response.

The present invention also provides a kind of data processing method of above-mentioned railroad track real-time monitoring system, it is characterized in that may further comprise the steps:

S1, setting are handled the vibration sound signal of wireless senser on the section of railway track track, judge whether whether the vibration sound signal on this section of railway track track gathers completion: if collection is accomplished then all vibration sound signals are carried out sampling filter, ordering; Accomplish then continuation execution acquisition step if gather;

S2, to the ordering after the vibration sound signal carry out data formatization;

S3, employing adaptive approach are handled the vibration sound signal after format, adopt autocorrelative function and cross correlation function to handle again respectively;

S4, whether exist unusually:, the result of autocorrelative function encrypted send to artificial neural net (ANN) after modulating if exist unusually then represent that possibly there is static failure in train the place ahead to the result judgment data of autocorrelative function;

S5, to the result of cross correlation function, adopt adaptive approach to handle once more: to have interference if the result of this adaptive approach shows between this railroad track and the adjacent railroad track, then repeated execution of steps S2～S5;

If showing between this railroad track and the adjacent railroad track, the result of this adaptive approach do not have interference, the fault type of this railroad track of malfunction coding judgement that then further comprises in the result according to this adaptive approach: if the fault that the fault type of railroad track is rail equipment and natural cause to be caused then recording processing result and send to artificial neural net (ANN); The fault that if the fault type of railroad track is artificial factor to be caused then write down this result and after modulation, send to artificial neural net (ANN);

S6, artificial neural net (ANN) calculate and obtain optimal case according to the result that receives;

S7, employing FUZZY ALGORITHMS FOR CONTROL are handled this optimal case; The output controlling quantity; And on read-out, show this controlling quantity: if near to the pairing controlling quantity curve of wireless senser far away be level and smooth decay curve, then represent not have roadblock on this section of railway track track; If then represent to exist on this section of railway track track roadblock near to wireless senser institute far away corresponding controlling quantity curve appearance sudden change, wherein each controlling quantity is all corresponding to a malfunction coding.

The data processing method of this railroad track real-time monitoring system also comprises the step of confirming roadblock type on the railroad track:

From the corresponding controlling quantity curve appearance sudden change of nearly wireless senser institute extremely far away the time, further check the cooresponding malfunction coding of sudden change place controlling quantity, confirm the roadblock type according to this malfunction coding.

In sum, owing to adopted technique scheme, the invention has the beneficial effects as follows:

1, adopt piezoelectric transducer to gather the vibration sound signal that railroad track produces in the train driving; This vibration sound signal sends to wireless senser after handling through collecting cassette; Be transferred to Train Control chamber etc. by wireless senser through wired or wireless mode; With the vibration sound signal of the railroad track basis as failure analysis, the complete collection of failure analysis data has been realized in the monitoring blind area of having eliminated railroad track;

2, adopt the wire transmission media of high-voltage power line as the vibration sound signal, the vibration sound signal not only can be carried out long-distance transmissions, and in transmission course, needn't consider high mountain and tunnel stopping wireless signal;

3, set up vibrator, also can realize monitoring without the railroad track that often passes through to train;

4, the Train Control chamber adopts wireless transmission method to receive the vibration sound signal, not only can judge the position of train exactly, and can judge the service direction of train; The Train Control device is only gathered the vibration sound signal of 5 ~ 10 wireless sensers in train the place ahead in addition; Not only transmission course is simple; And the vibration sound signal that collects is enough to accurately judge train the place ahead railroad track and whether has roadblock, makes a response so that train has the sufficient time;

5, piezoelectric transducer is arranged on the midway location of guide-track groove, has further improved the accuracy of vibration audio signal sample;

6, wireless senser adopts the magnet ring alternate antenna to come image data, makes that the data volume that collects is big and precision is higher; And the downside at magnet ring has increased the magnet ring card, makes magnet ring be fixed on the high tension cord with the mode of clamping, has promptly realized wireless senser is installed on the high tension cord;

7, Train Control chamber, station control cabin and circuit monitoring chamber are used for said vibration sound signal is carried out transferring to cable network behind the superencipher; Be transferred to higher level's Control Room through this cable network; And this higher level's Control Room transfers to dedicated network after encrypting through three times; Be transferred to monitoring master station by dedicated network, realized the stereoscopic monitoring network that railway is monitored thus from the rail track to the Ministry of Railways, and set up the expert database of railroad track; Thereby realize the automatic judgement of train, strengthened the automation and intelligentification performance of train related data;

8, the railroad track real-time monitoring system has the self-operating status monitoring function, when breaking down, can in time make a response;

9, adopt autocorrelative function and cross correlation function to predict exactly the static roadblock in train the place ahead, dynamic roadblock respectively; Adopt artificial neural net (ANN) solved rail wear and tear for a long time, because of the different problem of the different railway track information of geographic factor; And FUZZY ALGORITHMS FOR CONTROL provides fuzzy matching; Increased intelligent; Judge by fuzzy control rule table and the state of railroad track to make train have time enough to take urgent measure when situation appears in rail forwardly.

Description of drawings

The present invention will explain through example and with reference to the mode of accompanying drawing, wherein:

Fig. 1 is the schematic circuit diagram of railroad track real-time monitoring system among the present invention;

Fig. 2 is the scheme of installation of piezoelectric transducer in the first embodiment of the present invention;

Fig. 3 is the schematic circuit diagram of collecting cassette in the first embodiment of the present invention;

Fig. 4 is the schematic circuit diagram of wireless senser in the first embodiment of the present invention;

Fig. 5 is the scheme of installation of wireless senser in the first embodiment of the present invention;

Fig. 6 is the diagram of circuit of data processing method among the present invention.

Mark among the figure: A is higher level's Control Room, and B is a monitoring master station, and 1 is piezoelectric transducer, and 2 is railroad track, and 3 is sleeper, and 4 is guide-track groove, and 5 is magnet ring, and 6 is the magnet ring card, and 7 is the high voltage power line, and 8 is the train brush.

The specific embodiment

Disclosed all characteristics in this specification sheets, or the step in disclosed all methods or the process except mutually exclusive characteristic and/or the step, all can make up by any way.

Disclosed arbitrary characteristic in this specification sheets (comprising any accessory claim, summary and accompanying drawing) is only if special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, only if special narration, each characteristic is an example in a series of equivalences or the similar characteristics.

As shown in Figure 1; This railroad track real-time monitoring system is made up of piezoelectric transducer, collecting cassette, wireless senser, Train Control chamber, station control cabin, circuit monitoring chamber, higher level's Control Room A and monitoring master station B; Wherein piezoelectric transducer is arranged on the railroad track and connects this collecting cassette, and collecting cassette connects wireless senser and this wireless senser is arranged on the high voltage power line.Piezoelectric transducer is gathered the vibration sound signal on the railroad track and should be vibrated sound signal and sends to the collecting cassette processing; Collecting cassette sends to wireless senser with treated vibration sound signal, and wireless senser is used for wireless or wire transmission mode this vibration sound signal after treatment being transferred to Train Control chamber, station control cabin and circuit monitoring chamber.When gathering above-mentioned vibration sound signal,, promptly only could realize monitoring during through this railroad track, then can't realize monitoring without the railroad track that often passes through to train at train only to the vibration during the bump railroad track in the train driving process.In order to address the above problem; The present invention has increased vibrator; This vibrator is arranged on the railroad track and through lead and is connected with collecting cassette, and collecting cassette sends coded signal (being oscillator signal) to this vibrator, and vibrator drives railroad track and produces faint vibration.

In addition; The transmission medium of above-mentioned this wire transmission mode comprise high voltage power line, power line anchor wire, set up special-purpose additional communication circuit, fiber plant order wire, utilize in the signal lamp existing communication circuit at least aly, and this wireless transmission method comprises in the satellite communications such as WIFI, bluetooth, zigbee, radio frequency and gps satellite, Galilean satellite system and Chinese big-dipper satellite at least a.In the first embodiment of the present invention, as wireless transmission method, the high voltage power line is an example as the wire transmission media with radio frequency transmission.

As shown in Figure 2; Railroad track 2 is arranged on the sleeper 3; This piezoelectric transducer 1 is installed in the midway location of the guide-track groove 4 of railroad track 2 sides; Two lead-in wires of piezoelectric transducer 1 connect and to be buried in the collector on the railroad track limit, and this piezoelectric transducer is arranged on the midway location of guide-track groove, have further improved the accuracy of vibration audio signal sample.In addition, adopt SMD piezoelectric transducer among the present invention, volume is little, is convenient to be installed in the side of railroad track.

As shown in Figure 3; This collecting cassette is made up of power supply unit, control unit and wireless transport module; Power supply unit is used for to control unit and wireless transport module power supply being provided respectively; Control unit is used for receiving this vibration sound signal and this vibration sound signal is carried out analogue to digital conversion, amplification and modulation treatment, and vibration sound signal after treatment sends to wireless senser by wireless transport module.In addition, control unit also provides response signal to vibrator in the collecting cassette, makes vibrator drive railroad track and produces faint vibration.

As shown in Figure 4; This wireless senser is made up of power supply unit, processing unit, data acquisition unit and wireless communication unit; Wherein this power supply unit is used for to processing unit and wireless communication unit power supply being provided; Data acquisition unit is used for receiving the vibration sound signal from collecting cassette, and also should vibrate sound signal sends to processing unit; This processing unit is used for this vibration sound signal is carried out demodulation, decryption processing, and this vibration sound signal after demodulation, decryption processing can directly send to Train Control chamber or station control cabin by this wireless communication unit; After also can sending to the high voltage power line, will vibrate sound signal by the high voltage power line with the form of power line carrier and send at least one in Train Control chamber, station control cabin and the circuit monitoring chamber.

Because data acquisition unit adopts the form of antenna mostly and does not possess wireless senser is installed in the structure on the high tension cord in traditional wireless senser; Therefore adopt magnet ring to come alternate antenna to come image data in the present embodiment; And the downside at magnet ring is provided with a magnet ring card; As shown in Figure 5, trainbrush 8 is positioned at the below of high voltage power line 7, and this magnet ring 5 is installed on the top of high voltage power line 7 with the mode of magnet ring card 6; Magnet ring 5 is through winding displacement connection processing unit, and this processing unit connects high voltage power line 7, wireless communication unit respectively through lead.Wireless senser in the present embodiment can receive the vibration sound signal of 20 collecting cassettes usually.Owing to adopt magnet ring to substitute the antenna in the conventional wireless sensor; The data volume that wireless senser collects is bigger and data precision is higher; And data after treatment not only can adopt the Wireless transmission mode transmission, can also adopt the mode of power line carrier to transmit.

The Train Control chamber can adopt dual mode to obtain the vibration sound signal: first kind is that wireless senser directly will vibrate sound signal and send to the Train Control chamber.Because the transmission distance of wireless senser is limited; The Train Control chamber is if will obtain the vibration sound signal of all wireless sensers; Then must depend on the communication between the adjacent wireless senser, but it is big to vibrate transmission course more complicated and the data processing amount of sound signal between wireless senser.The present invention's design Train Control chamber when adopting this kind mode to obtain the vibration sound signal can receive the vibration sound signal of 3～10 wireless sensers in train the place ahead; Difference according to the wireless senser communication distance; Wireless senser can directly be transferred to the Train Control chamber with the vibration sound signal, also can will vibrate sound signal through the mutual transmission between the wireless senser and be transferred to the Train Control chamber.In addition; There is a stopping distance in train when brake; This stopping distance is relevant with the factors such as quality, speed and brake equipment of train, and generally speaking moving velocity be train below the 120km/h to require stopping distance be 800m, moving velocity is that to require stopping distance be 1400m to the train of 160km/h; Moving velocity be the train of 200km/h to require stopping distance be 2000m, moving velocity is that to require stopping distance at least be 6000m to the train of 350km/h; And the effective propagation path of wireless senser is several kilometers usually; Consider and have the mountain railway track that tunnel and high mountain stop; The effective propagation path of wireless senser will shorten, and whether has roadblock in order accurately to judge train the place ahead railroad track, makes a response so that train has the sufficient time; Preferably, the vibration sound signal of at least 5 wireless sensers in train the place ahead is gathered in the Train Control chamber.Because the train wireless senser that the Train Control chamber receives in traveling process is constantly to change, so the Train Control chamber not only can judge the position of train exactly, and can judge the service direction of train.

Second kind is that wireless senser will vibrate sound signal and send to the high voltage power line, will vibrate sound signal by this high voltage power line with the form of power line carrier and be transferred to the Train Control chamber.Thus, needn't carry out complicated transmission and lot of data between the wireless senser and handle, the Train Control chamber can obtain the vibration sound signal of all wireless sensers on the railroad track very simply.

Station control cabin and circuit monitoring chamber are when obtaining the vibration sound signal; Wireless senser will vibrate sound signal and send to the high voltage power line; To vibrate sound signal by this high voltage power line with the form of power line carrier and be transferred to station control cabin and circuit monitoring chamber, thereby the vibration sound signal of all wireless sensers on the railroad track will be monitored.Adopt the high-voltage power line transmission manner, the vibration sound signal not only can be carried out long-distance transmissions, and in transmission course, needn't consider high mountain and tunnel stopping wireless signal.

If the Train Control chamber adopts above-mentioned first kind of mode to obtain the vibration sound signal; Then station control cabin and circuit monitoring chamber can also obtain the vibration sound signal of corresponding wireless senser from the Train Control chamber, thereby the position and the service direction of train are monitored.It should be noted: Train Control chamber, station control cabin and circuit monitoring chamber are respectively arranged with cooresponding receiving box, and are provided with wireless transport module in this receiving box, so that receive the vibration sound signal.

As shown in Figure 1; Train Control chamber, station control cabin and circuit monitoring chamber are after receiving the vibration sound signal; Can carry out superencipher to the vibration sound signal, transfer to cable network again, higher level's Control Room A obtains the vibration sound signal of each wireless senser from cable network.This higher level's Control Room A comprises in large-scale station, Railway Bureau and the provincial railway monitoring at least a in the heart.In addition, this higher level's Control Room can also carry out three times to the vibration sound signal to be encrypted, and transfers to dedicated network again, and monitoring master station B (being that Ministry of Railways control center is or/and Ministry of Railways's monitoring and control centre) obtains the vibration sound signal from dedicated network.Thus, realized real-time security monitoring, scheduling and the statistics of railroad track, and helped setting up the expert database of railroad track, thereby realized the automatic judgement of train, strengthened the performance of the automation and intelligentification of train relevant information.In addition, this railroad track real-time monitoring system also has the self-operating status monitoring function, such as when electricity shortage appears in collecting cassette, wireless senser etc., can in time making reflection.

In sum, realized the collection of vibration sound signal on the railroad track.Yet, because possibly there is the interference of adjacent railroad track in the double-tracking railways track, such as crosstalking between the adjacent railroad track, adjacent railroad track train operation interference etc.; In addition, also possibly have other interference on the railroad track: such as patrolman wait the natural phenomenons such as interference, rainstorm and hail of walking about on railroad track to the impact interference of railroad track and thunder and lightning to the interference of transmission path etc.Therefore, only rely on the above-mentioned vibration sound signal that collects to be not enough to analyze exactly the roadblock on the railroad track.In the Train Control chamber, station control cabin and circuit monitoring chamber handle the vibration audio frequency signal demand that receives as follows, and be as shown in Figure 6:

S1, setting are only handled a certain section of railway track track on the china railway track, judge whether whether the vibration sound signal on this section of railway track track gathers completion: if collection is accomplished then all vibration sound signals are carried out sampling filter, ordering; Accomplish then continuation execution acquisition step if gather.

S2, to the ordering after the vibration sound signal carry out data formatization.

S3, employing adaptive approach are handled the vibration sound signal after format, adopt autocorrelative function and cross correlation function to handle again respectively.Can predict exactly the static roadblock in train the place ahead, dynamic roadblock respectively through adopting autocorrelative function and cross correlation function.

S4, whether exist unusually:, the result of autocorrelative function encrypted send to artificial neural net (ANN) after modulating and further handle if exist unusually then represent that possibly there is static failure in train the place ahead to the result judgment data of autocorrelative function.

S5, to the result of cross correlation function, adopt adaptive approach to handle once more: to have interference if the result of this adaptive approach shows between this railroad track and the adjacent railroad track, then repeated execution of steps S2～S5;

If showing between this railroad track and the adjacent railroad track, the result of this adaptive approach do not have interference, the fault type of this railroad track of malfunction coding judgement that then further comprises in the result according to this adaptive approach: if the fault that the fault type of railroad track is rail equipment and natural cause to be caused then recording processing result and send to artificial neural net (ANN); The fault that if the fault type of railroad track is artificial factor to be caused then write down this result and after modulation, send to artificial neural net (ANN).This fault is divided three classes in the present embodiment: the fault that rail equipment, natural cause and human element cause; Wherein the fault that causes of rail equipment comprise rail fracture, rail connect loosening, railway spike is loosening, bolt hole crack, rail head hurt, web of the rail hurt, weld seam hurt, rail are aging, track deformation and other hurts, corresponds respectively to malfunction coding: 0x80,0xa1,0xa2,0x83,0xc4,0xe5,0xe6,0xc7,0xc0,0xe9; The fault that natural cause causes comprises that landslide, roadbed subside and roadbed loosening, corresponds respectively to malfunction coding: 0xea, 0xcb and 0x8c; The fault that human element causes comprises has obstacle on the railroad track, corresponding to malfunction coding: 0xad.

S6, artificial neural net (ANN) calculate and obtain optimal case according to the result that receives;

S7, employing FUZZY ALGORITHMS FOR CONTROL are handled this optimal case; The output controlling quantity; And on read-out, show this controlling quantity: if near to the pairing controlling quantity curve of wireless senser far away be level and smooth decay curve, then represent not have roadblock on this section of railway track track; If then represent to exist on this section of railway track track roadblock near to wireless senser institute far away corresponding controlling quantity curve appearance sudden change, wherein each controlling quantity is all corresponding to the malfunction coding described in the step S5.

S8, when sudden change occurring, further checking the cooresponding malfunction coding of sudden change place controlling quantity to the corresponding controlling quantity curve of wireless senser institute far away near, confirm the roadblock type according to this malfunction coding.In step S5, described the corresponding relation of malfunction coding and fault type in detail, will not tire out in this step and state.

It should be noted: above-mentioned adaptive approach, autocorrelative function, cross correlation function, artificial neural net (ANN) and FUZZY ALGORITHMS FOR CONTROL are proven technique, and processing that it is concrete and computation process will not be tired out in the present invention and stated.

Through adopt artificial neural net (ANN) solved rail wear and tear for a long time, because of the different problem of the different railway track information of geographic factor; And FUZZY ALGORITHMS FOR CONTROL provides fuzzy matching; Increased intelligent; Judge by fuzzy control rule table and the state of railroad track to make train have time enough to take urgent measure when situation appears in rail forwardly.

In sum, realize the railroad track on-line real time monitoring, realize that, rails crackle loosening to the railway spike of track, track soil stone obstacle, track broken string, disaster cause malfunction monitoring such as can't drive a vehicle through the present invention.Native system utilizes the radio sensing network image data; Utilization loads faint modulation coded signal to the train power supply power line; Realization is to transmission data such as train driving chamber, site monitoring chamber, website operation department, railway line control cabins; Data are sent data through the cable network and the wireless network of railway line control cabin to monitoring center of Railway Bureau control cabin and Ministry of Railways's control cabin again, have realized the stereoscopic monitoring network that railway is monitored from the rail track to the Ministry of Railways; And only need considerably less artificial auxiliary monitoring, can accomplish complicated huge rail monitoring, the intellectuality, the networking that have improved monitoring system have greatly reduced railway track inspection worker's working strength significantly.

The present invention is not limited to the aforesaid specific embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.

Claims (10)

1. railroad track real-time monitoring system; It is characterized in that: comprise piezoelectric transducer, collecting cassette and wireless senser; Wherein said piezoelectric transducer is arranged on the railroad track and connects said collecting cassette; Said collecting cassette connects said wireless senser, and said wireless senser is arranged on the high voltage power line;

Said piezoelectric transducer is used to gather the vibration sound signal on the railroad track;

Said collecting cassette is used for said vibration sound signal is carried out modulation treatment, and the vibration sound signal after will modulating sends to said wireless senser;

Said wireless senser is used for wireless or this vibration sound signal after treatment of wire transmission mode transmission.

2. railroad track real-time monitoring system according to claim 1; It is characterized in that: the transmission medium of this wire transmission mode comprise high voltage power line, power line anchor wire, set up special-purpose additional communication circuit, fiber plant order wire, utilize in the signal lamp existing communication circuit at least a; And this wireless transmission method comprises in WIFI, bluetooth, zigbee, radio frequency and gps satellite, the satellite communication at least a; Wherein when with the high voltage power line being this vibration sound signal of transmission medium transmission, by high voltage power line this vibration sound signal after treatment of form transmission with power line carrier.

3. railroad track real-time monitoring system according to claim 1; It is characterized in that: also comprise the vibrator that is installed on the railroad track; Wherein said collecting cassette is used for sending coded signal to said vibrator, and said vibrator drives railroad track and produces vibration.

4. railroad track real-time monitoring system according to claim 1; It is characterized in that: also comprise in Train Control chamber, station control cabin and the circuit monitoring chamber at least one, wherein said wireless senser is transferred in said Train Control chamber, station control cabin and the circuit monitoring chamber at least one with wireless or wire transmission mode with vibration sound signal after treatment.

5. railroad track real-time monitoring system according to claim 4 is characterized in that: the vibration sound signal of gathering 5 ~ 10 wireless sensers in train the place ahead when said Train Control chamber adopts wireless transmission method to receive the vibration sound signal.

6. railroad track real-time monitoring system according to claim 1 is characterized in that: said piezoelectric transducer (1) is installed in the midway location of railroad track (2) upper rail groove (4).

7. railroad track real-time monitoring system according to claim 2 is characterized in that: said wireless senser is made up of power supply unit, processing unit, wireless communication unit, magnet ring and magnet ring card, and wherein said power supply unit is used to provide power supply;

Said magnet ring is used for receiving treated vibration sound signal and sending to processing unit through winding displacement from said collecting cassette;

Said processing unit is used for this vibration sound signal is handled;

Said processing unit also connects wireless communication unit, wire transmission circuit respectively, is used for transmitting this vibration sound signal with wireless or wired mode respectively.

8. railroad track real-time monitoring system according to claim 3; It is characterized in that: said Train Control chamber, station control cabin and circuit monitoring chamber are used for said vibration sound signal is carried out transferring to cable network behind the superencipher; Be transferred to higher level's Control Room through said cable network; And this higher level's Control Room transfers to dedicated network after encrypting through three times, is transferred to monitoring master station by said dedicated network.

9. the data processing method of the described railroad track real-time monitoring system of claim 1 is characterized in that may further comprise the steps:

S1, setting are handled the vibration sound signal of wireless senser on the section of railway track track, judge whether whether the vibration sound signal on this section of railway track track gathers completion: if collection is accomplished then all vibration sound signals are carried out sampling filter, ordering; Accomplish then continuation execution acquisition step if gather;

S2, to the ordering after the vibration sound signal carry out data formatization;

S3, employing adaptive approach are handled the vibration sound signal after format, adopt autocorrelative function and cross correlation function to handle again respectively;

S4, whether exist unusually:, the result of autocorrelative function encrypted send to artificial neural net (ANN) after modulating if exist unusually then represent that possibly there is static failure in train the place ahead to the result judgment data of autocorrelative function;

S5, to the result of cross correlation function, adopt adaptive approach to handle once more: to have interference if the result of this adaptive approach shows between this railroad track and the adjacent railroad track, then repeated execution of steps S2～S5;

If showing between this railroad track and the adjacent railroad track, the result of this adaptive approach do not have interference, the fault type of this railroad track of malfunction coding judgement that then further comprises in the result according to this adaptive approach: if the fault that the fault type of railroad track is rail equipment and natural cause to be caused then recording processing result and send to artificial neural net (ANN); The fault that if the fault type of railroad track is artificial factor to be caused then write down this result and after modulation, send to artificial neural net (ANN);

S6, artificial neural net (ANN) calculate and obtain optimal case according to the result that receives;

S7, employing FUZZY ALGORITHMS FOR CONTROL are handled this optimal case; The output controlling quantity; And on read-out, show this controlling quantity: if near to the pairing controlling quantity curve of wireless senser far away be level and smooth decay curve, then represent not have roadblock on this section of railway track track; If then represent to exist on this section of railway track track roadblock near to wireless senser institute far away corresponding controlling quantity curve appearance sudden change, wherein each controlling quantity is all corresponding to a malfunction coding.

10. the data processing method of railroad track real-time monitoring system according to claim 9 is characterized in that also comprising the step of confirming roadblock type on the railroad track:

From the corresponding controlling quantity curve appearance sudden change of nearly wireless senser institute extremely far away the time, further check the cooresponding malfunction coding of sudden change place controlling quantity, confirm the roadblock type according to this malfunction coding.

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