CN102507587B - Perambulated inspection system and method - Google Patents
Perambulated inspection system and method Download PDFInfo
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- CN102507587B CN102507587B CN2011102796089A CN201110279608A CN102507587B CN 102507587 B CN102507587 B CN 102507587B CN 2011102796089 A CN2011102796089 A CN 2011102796089A CN 201110279608 A CN201110279608 A CN 201110279608A CN 102507587 B CN102507587 B CN 102507587B
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Abstract
The invention provides a perambulated inspection system and method, wherein the perambulated inspection system comprises an installation frame, an upper computer, a plurality of cameras and a plurality of light sources; the cameras and the light sources are arranged on the installation frame; the installation frame is arranged above a target object and can move relative to the target object; the light sources are used for irradiating the target object; the cameras are used for shooting target object images so as to obtain target images; the cameras are used for sending the target images to the upper computer; and the upper computer is used for analyzing and processing the target images. According to the perambulated inspection system and method, disclosed by the invention, the effects of high efficiency on track perambulated inspection, accurate track defect positioning and high accuracy on defect size inspection can be achieved.
Description
Technical field
The present invention relates to railway territory, especially, relate to a kind of Perambulated inspection system.In addition, the invention still further relates to a kind of method that provides above-mentioned Perambulated inspection system to carry out patrol and detection.
Background technology
Track surface scratch, sleeper crack, rail fasteners disappearance and damage bring great hidden danger to safety of railway operation.State's inner orbit patrol and detection is mainly visual method and mechanical type contact mensuration at present.
Wherein, visual method depends on a large amount of experienced trackwalkers track is carried out to visual examination.But this kind method efficiency is low, and can not measure the accurate numerical value of railroad flaws size.The mechanical type contact mensuration also exists measures that efficiency is low, the not high problem of track surface scratch flaw size accuracy.
Summary of the invention
The object of the invention is to provide a kind of Perambulated inspection system and method, to solve the technical matters that track patrol and detection efficiency is low, the railroad flaws dimensional accuracy is not high.
For achieving the above object, according to an aspect of the present invention, provide a kind of Perambulated inspection system, Perambulated inspection system includes erecting frame, host computer, a plurality of camera and a plurality of light source, and camera and light source are installed on erecting frame; Erecting frame is positioned at the top of an object and object motion relatively, the light source irradiation object, and the image of camera picked-up object, thus obtaining target image, camera sends to host computer by target image, and host computer carries out analyzing and processing to target image.
Further, Perambulated inspection system also comprises light source adjustment device, and light source adjustment device is regulated the brightness of light source.
Further, light source adjustment device comprises electric power driving module and the regulator be connected with host computer; Regulator comprises a control panel, and control panel comprises A/D modular converter, judge module, counting module, photoelectric coupling module and the D/A modular converter connected successively, and wherein, the A/D modular converter is connected with host computer; Judge module is provided with the numerical range in a plurality of zones, counting module comprises a plurality of counters, each counter is connected with judge module respectively, and corresponding each counter of each numerical range, the photoelectric coupling module comprises a plurality of photoelectrical couplers that are connected with each counter respectively, and each photoelectrical coupler all connects the D/A modular converter; Electric power driving module is connected in the D/A modular converter, and electric power driving module is controlled the brightness regulation of light source according to the signal of D/A modular converter.
Further, the initial value of each counter of counting module is zero, and each counter is provided with setting value.
Further, Perambulated inspection system also comprises a plurality of image pick-up cards that connect respectively each camera, and the resulting target image of each camera is stored in the image pick-up card be connected with each camera, and image pick-up card is sent to host computer by target image.
Further, Perambulated inspection system also comprises the external trigger module, the external trigger module comprises the tachogenerator connected in turn, photoelectric encoder and synchronous trigger circuit plate, the synchronous trigger circuit plate connects each camera, wherein, tachogenerator gathers the travelling speed of erecting frame, and the travelling speed that will collect sends to photoelectric encoder, photoelectric encoder produces the TTL square wave according to travelling speed, and the TTL square wave is sent to the synchronous trigger circuit plate, the synchronous trigger circuit plate is converted to LVDS or the RS signal trigger pip as camera using its TTL square wave received, and then the adjusting camera gathers the image of object with the line scan rate corresponding with trigger pip, thereby obtain target image.
According to a further aspect in the invention, a kind of patrol and detection method also is provided, this is patrolled and examined the survey method above-mentioned Perambulated inspection system is provided, the patrol and detection method comprises the steps: the first step, make Perambulated inspection system and object produce relative motion, make the light source irradiation object of Perambulated inspection system, with the camera of Perambulated inspection system, absorb the image of object, thereby obtain target image; Second step, camera send to target image the host computer of Perambulated inspection system, and the image processing system of host computer carries out analyzing and processing to target image, and the output analysis result.
Further, when carrying out the first step, Perambulated inspection system carries out following steps simultaneously: the light source adjustment device of Perambulated inspection system is regulated the brightness of the light source of Perambulated inspection system.
Further, light source adjustment device is regulated and is comprised the steps: step S01 the brightness of light source, host computer is processed the target image of reception, thereby obtain the analog image strength signal, and the analog image strength signal is sent to the A/D modular converter of the regulator of light source adjustment device; Step S02, the A/D modular converter converts the analog image strength signal to the digital picture strength signal, and then obtains the A/D value, and the A/D modular converter sends to judge module by the A/D value; Step S03, judge module judge that the A/D value whether in arbitrary regional numerical range of the numerical range in a plurality of zones of judge module, if so, carries out step S04, if not, do not do any processing, proceed step S01; Step S04, in the photoelectric coupling module of light source adjustment device, the initial value of the counter corresponding with the numerical range in the zone at A/D value place adds automatically, thereby obtains end value; Step S05, whether the counter judged result value of the correspondence of judge module equals the setting value of corresponding counter, if not, turns back to step S01, if so, carries out step S06; Step S06, the photoelectrical coupler conducting connected with corresponding counter, corresponding counter automatic clear simultaneously, photoelectrical coupler generating digital level signal, and digital signal level is sent to the D/A modular converter; Step S07, the digital signal level that the D/A modular converter will receive convert analog voltage signal to and analog voltage signal are directly sent to electric power driving module; Step S08, the luminosity that electric power driving module is controlled light source according to analog voltage signal changes.
Further, when carrying out the first step, Perambulated inspection system carries out following steps simultaneously: the external trigger module of Perambulated inspection system sends trigger pip to camera, and camera gathers target image with the line scan rate corresponding with trigger pip.
Further, when carrying out the first step, Perambulated inspection system carries out respectively following steps simultaneously: the light source adjustment device of Perambulated inspection system is regulated the brightness of light source; The external trigger module of Perambulated inspection system sends trigger pip to camera, and camera gathers target image with the line scan rate corresponding with trigger pip.
Further, the external trigger module of Perambulated inspection system sends trigger pip to before camera, also carrying out following steps: the tachogenerator of external trigger module gathers the travelling speed of the erecting frame of Perambulated inspection system, and travelling speed is sent to the photoelectric encoder of external trigger module; Photoelectric encoder produces the TTL square wave according to travelling speed, and the TTL square wave is sent to the synchronous trigger circuit plate of external trigger module; The synchronous trigger circuit plate is converted to LVDS or the RS232 signal trigger pip as camera using the TTL square wave, and LVDS or RS signal are sent to camera.
Further, in second step, the image processing system of host computer carries out analyzing and processing to target image and comprises the steps: the first step, the image pre-service: image processing system smoothly reaches Denoising disposal to target image, thereby obtains muting target image; Second step, zone identification: image processing system is identified the various zones of muting target image, and muting target image is divided into to rail zone, sleeper zone and non-rail zone, and the input picture using each zone as follow-up defects detection; The 3rd step, defects detection: image processing system detects, analyzes input picture, thereby judges, obtains the concrete zone at defect place and the kind of defect; The 4th step, defect location: the real-time speed that obtains the Perambulated inspection system operation according to the tachogenerator of external trigger module, obtain the range ability of Perambulated inspection system, the information of range ability is one to one with the sequence number of the target image gathered, according to the corresponding relation of range ability and detected defect, recording defect appears at the accurate location on object in motion process; The 5th step, defect are described and classification: from rail is regional, sleeper is regional and geometric properties corresponding to the detected defect in non-rail zone, utilize different geometric properties defect is described and classifies; The 6th step, report output: the defect be described and classify is exported as analysis result.
The present invention has following beneficial effect:
By the present invention, can reach that track patrol and detection efficiency is high, railroad flaws accurate positioning and the high effect of flaw size accuracy in detection.
Except purpose described above, feature and advantage, the present invention also has other purpose, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
The accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention the present invention does not form inappropriate limitation of the present invention for explaining.In the accompanying drawings:
Fig. 1 is the structural representation of the Perambulated inspection system of the preferred embodiment of the present invention;
Fig. 2 is the structural representation of the light source adjustment device of the preferred embodiment of the present invention;
Fig. 3 is the method flow diagram that the light source of the using light source regulating device realization of the preferred embodiment of the present invention is regulated; And
Fig. 4 is the structural representation of the external trigger module of the preferred embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Referring to Fig. 1, Perambulated inspection system comprises erecting frame 8, and a plurality of light sources 1 and a plurality of camera 3 that are positioned at object 9 tops are installed on erecting frame 8 symmetrically.Light source 1 and camera 3 all are connected with host computer 7.In the process that erecting frame 8 moves along object 9 with certain speed, the luminous irradiation object 9 of light source 1; 3 pairs of objects of camera 9 carry out the shooting of image, thereby obtain target image.Afterwards, camera 3 sends to host computer 7 by target image, and by the image processing system in host computer 7, the target image of receiving is carried out to analyzing and processing.
In other embodiments, do not need erecting frame 8, but light source 1 and camera 3 are installed on to the bottom of locomotive symmetrically, and make locomotive along object 9 operations.
Preferably, in the present embodiment, the target image that camera 3 absorbs can first be stored in data collecting card 5, and data collecting card 5 is delivered to target image host computer 7 again and carries out analyzing and processing.
Perambulated inspection system is in the process of operation, and extraneous physical environment light is always changing.For avoiding the impact of physical environment light on object 9 testings, require light source 1 brightness high, good uniformity, good stability.In order to improve the whole Perambulated inspection system adaptability of physical environment light to external world, for different measurement period (as day or night) and different measurement location (as tunnel, the complex conditions such as Plain), the brightness of light source 1 is to regulate in the whole service process.The brightness of light source 1 has affected the accuracy of image processing system to target image identification in the shooting quality of target image and host computer 7.Therefore, in present embodiment, utilize light source adjustment device to regulate light source 1.Preferably, light source adjustment device comprises electric power driving module 4 and the regulator 2 be connected with host computer 7.
Please in conjunction with reference Fig. 2, regulator 2 comprises a control panel 21, and control panel 21 comprises A/D modular converter 211, judge module 213, counting module 215, photoelectric coupling module 217 and D/A modular converter 219.A/D modular converter 211 is connected with judge module 213 with host computer 7 respectively, A/D modular converter 211 is be used to accepting host computer 7 signals, and the signal that host computer 7 passes over converted to after the signal of judge module 213 identifications and be delivered to judge module 213 and judge.Judge module 213 is provided with the numerical range in a plurality of zones.Counting module 215 comprises a plurality of counters.Each counter all is connected with judge module 213, and makes the corresponding counter of each regional numerical range in judge module 213.The initial value of each counter is zero, and each counter is provided with setting value.Photoelectric coupling module 217 comprises a plurality of photoelectrical couplers that connect with corresponding counter respectively, and each photoelectrical coupler all connects D/A modular converter 219.D/A modular converter 219 is connected with electric power driving module 4, and it is luminous that electric power driving module 4 is used for direct driving light source 1.
Please in conjunction with reference Fig. 3, light source adjustment device of the present invention is as follows to the detailed process that light source 1 carries out brightness regulation:
Step S01, host computer 7 receives the target image that camera 3 is taken, and the intensity of light source analytic system in host computer 7 detects analysis to the intensity of target image, thereby obtains the analog image strength signal.Host computer 7 sends to the analog image strength signal A/D modular converter 211 of light source adjustment device.
Step S02, A/D modular converter 211 converts the analog image strength signal to the digital picture strength signal, and then obtains the A/D value, and A/D modular converter 211 sends to judge module 213 by the A/D value.
Step S03, judge module 213 judge that the A/D value whether in arbitrary regional numerical range of the numerical range in a plurality of zones of judge module 213, if so, carries out step S04, if not, do not do any processing, proceed step S01.
Step S04, in the photoelectric coupling module 217 of light source adjustment device, the initial value of the counter corresponding with the numerical range in the zone at A/D value place adds 1 automatically, thereby obtains end value.
Step S05, whether the counter judged result value of the above-mentioned correspondence of judge module 213 equals the setting value of this correspondence counter, if not, turns back to step S01, if so, carries out step S06.
Step S06, the photoelectrical coupler conducting that counter corresponding to this connects, simultaneously should correspondence counter automatic clear, this photoelectrical coupler generating digital level signal, and digital signal level is sent to D/A modular converter 219.
Step S07, the digital signal level that D/A modular converter 219 will receive convert analog voltage signal to and analog voltage signal are directly sent to the electric power driving module 4 of light source adjustment device.
Step S08, the brightness that electric power driving module 4 is controlled light source 1 according to analog voltage signal changes.
Preferably, in present embodiment, the present invention has carried out brightness regulation by light source adjustment device three times to light source 1, and after regulating each time, that controls light source 1 correspondence sends first order intensity light, second level intensity light and third level intensity light.The concise and to the point process that light source adjustment device adjusting light source 1 successively sends first order intensity light, second level intensity light and third level intensity light is asked for an interview as follows:
In the process of Perambulated inspection system operation, light source adjustment device adopts above-mentioned steps S01 to step S08, to carry out the adjusting of first order intensity light to light source 1, after this, if the ambient light of extraneous nature is still changing, light source adjustment device is further regulated light source 1, be that light source adjustment device repeats the step of above-mentioned steps S01 to step S08 again, regulate light source 1 and send second level intensity light.In light source adjustment device adjusting light source 1 sent the process of second level intensity light, light source 1 was still by first order intensity target illuminated thing 9.Light source adjustment device is after the adjusting that completes second level intensity light, if the ambient light of extraneous nature is still changing, light source adjustment device repeats the step of above-mentioned steps S01 to step S08 again, regulates light source 1 and sends third level intensity light.In light source adjustment device adjusting light source 1 sent the process of third level intensity light, light source 1 was still by second level intensity target illuminated thing 9.
In other embodiments of the invention, can increase or reduce according to different physical environment light and geographical environment the number of the numerical range of judge module 213.Simultaneously, the number of the counter that increase or minimizing are corresponding with numerical range, and the number of the photoelectric coupling module 217 that is connected with counter of increase or minimizing.Therefore, light source adjustment device is not limited in three grades of adjustings of above-described embodiment to the adjusting rank of the intensity of light source 1, but can carry out according to different external condition the setting of different brackets.
In order to obtain further high-quality target image, need to carry out synchro control to the line scan rate of camera 3 and the travelling speed of erecting frame 8.Because in the process of object 9 operations, its speed is non-homogeneous constant at erecting frame 8.Erecting frame 8 travelling speed inhomogeneous gathers target images to camera 3 and brings impact, will cause the difference of detection resolution on the two-dimensional directional of each camera 3, finally can have influence on the accuracy of detection of Perambulated inspection system.Therefore, for the line scan rate that can regulate camera 3 according to the change information of the movement velocity of erecting frame 8, can control by external trigger module 6 line scan rate of camera 3.
Please in conjunction with referring to Fig. 4, external trigger module 6 comprises a tachogenerator 61, photoelectric encoder 63 and synchronous trigger circuit plate 65.The input end of photoelectric encoder 63 is connected on tachogenerator 61.The output terminal of photoelectric encoder 63 is connected on synchronous trigger circuit plate 65.Each camera 3 all is connected to the synchronous trigger circuit plate 65 of external trigger module 6.In the process of object 9 operations, tachogenerator 61 gathers the travelling speed of erecting frame 8, and the travelling speed that will collect sends to photoelectric encoder 63 at erecting frame 8.Photoelectric encoder 63 produces the different TTL square wave of frequency according to different travelling speed, and the TTL square wave is sent to synchronous trigger circuit plate 65.Synchronous trigger circuit plate 65 is converted to LVDS or the RS232 signal trigger pip as camera 3 using the TTL square wave, and then regulates camera 3 and gather target image with the line scan rate corresponding with trigger pip.External trigger module 6, according to the movement velocity of erecting frame 8, is regulated the line scan rate of camera 3, camera 3 can be taken and obtain high-quality target image.
In the present invention, camera 3 preferably adopts the CCD camera, more preferably adopts the linear CCD camera.Object 9 can be track, can be also other any object detected that needs.Target image can be orbital elements image (as: rail, railway ballast, the images such as fastener and sleeper).
While utilizing Perambulated inspection system of the present invention to detect object 9, comprise following several step:
The first step: Perambulated inspection system and object 9 produce relative motion, and the light source 1 of Perambulated inspection system irradiates object 9, the image of camera 3 picked-up objects 9, thus obtain target image.Preferably, when carrying out this first step, the light source adjustment device of Perambulated inspection system is regulated the brightness of light source 1 simultaneously, and process that light source adjustment device is regulated light source 1 as above step S01 is set forth to step S08, does not repeat them here.More preferably, when carrying out this first step, the external trigger module 6 of Perambulated inspection system sends trigger pip simultaneously to camera 3, and camera 3 gathers target image with the line scan rate corresponding with trigger pip.
In other embodiment of the present invention, when carrying out the first step, light source adjustment device can be regulated the brightness of light source 1 simultaneously, and still, external trigger module 6 can trigger camera 3 with the line scan rate collection target image corresponding with trigger pip during difference.In like manner, when carrying out the first step, external trigger module 6 can trigger simultaneously camera 3 and gather target image with the line scan rate corresponding with trigger pip, still, when light source adjustment device can be different, regulates the brightness of light source 1.
Second step: camera 3 sends to target image the host computer 7 of Perambulated inspection system, and the image processing system of host computer 7 carries out analyzing and processing to target image, and the output analysis result.
In above-mentioned second step, namely the image processing system in host computer 7 in turn includes the following steps to the concrete process that target image carries out analyzing and processing:
The first step, image pre-service: target image is smoothly reached to Denoising disposal, thereby obtain muting target image.
Second step, zone identification: target image is all by rail is regional, sleeper is regional and non-rail zone forms.After the various zones of 7 pairs of muting target images of host computer are identified, by target image be divided into above-mentioned rail zone, sleeper is regional and non-rail zone, and the input picture using each zone as follow-up defects detection.
The 3rd step, defects detection: image processing system detects, analyzes input picture, thereby judges, obtains the concrete zone at defect place and the kind of defect.Preferably, there is different defects in the different target area image, uses different algorithms to detect different area images.To determine which defect each zone specifically exists.Be namely: defect is positioned at the rail zone, the sleeper zone is also non-rail zone; Concrete defect is the scratch of Rail Surface, or crackle.
The 4th step, defect location: the real-time speed that obtains the Perambulated inspection system operation according to the tachogenerator 61 of external trigger module 6, can obtain the range ability of Perambulated inspection system, the information of range ability is one to one with the sequence number of the target image gathered, according to the corresponding relation of range ability and detected defect, can in motion process, appear at the accurate location on object 9 by recording defect.
The 5th step, defect are described and classification: from rail is regional, sleeper is regional and geometric properties corresponding to the detected defect in non-rail zone, utilize different geometric properties defect is described and classifies.Preferably, in the 5th step ground, the defect of the image in different target zone usually shows as various geometric properties.The normal geometric properties used has girth, major axis, minor axis and area etc.As: steel rail defect can be by eccentricity, and the input informations such as density and length breadth ratio are to the vectorial input end of learning vector quantization (LVQ) neural network recognization.As, tread falls piece according to the LVQ neural network recognization, the key element that adopts area to describe as defect; Crackle returns to the key element that length information is described as defect.As: various abrasive features are carried out to as much as possible, preferably separate, mutual ind description, in order to reflect the characteristics of various defect different aspects, facilitate follow-up identification.
The 6th step, report output: the defect be described in the 5th step and classify is exported as analysis result.Preferably, in the 6th step, the size of the defective locations of the image in different target zone, every width image, each defect and grade and relevant information thereof are printed and gathered by the form of form, can be output as the forms such as Excel form, html web page file or TXT document.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (11)
1. a Perambulated inspection system, is characterized in that, described Perambulated inspection system includes erecting frame (8), host computer (7), a plurality of camera (3) and a plurality of light source (1), and described camera (3) and described light source (1) are installed on described erecting frame (8);
Described erecting frame (8) is positioned at the top of an object (9) and can moves by relatively described object (9), described light source (1) irradiates described object (9), described camera (3) absorbs the image of described object (9), thereby obtain target image, described camera (3) sends to described host computer (7) by described target image, and described host computer (7) carries out analyzing and processing to described target image;
Described Perambulated inspection system also comprises light source adjustment device, and described light source adjustment device is regulated the brightness of described light source (1);
Described light source adjustment device comprises electric power driving module (4) and the regulator (2) be connected with described host computer (7);
Described regulator (2) comprises a control panel (21), described control panel (21) comprises A/D modular converter (211), judge module (213), counting module (215), photoelectric coupling module (217) and the D/A modular converter (219) connected successively, wherein, described A/D modular converter (211) is connected with described host computer (7);
Described judge module (213) is provided with the numerical range in a plurality of zones, described counting module (215) comprises a plurality of counters, each described counter is connected with described judge module (213) respectively, and corresponding each described counter of each described numerical range, described photoelectric coupling module (217) comprises a plurality of photoelectrical couplers that are connected with each described counter respectively, and each described photoelectrical coupler all connects described D/A modular converter (219);
Electric power driving module (4) is connected in described D/A modular converter (219), and described electric power driving module (4) is controlled the brightness regulation of light source (1) according to the signal of described D/A modular converter (219).
2. Perambulated inspection system according to claim 1, is characterized in that, the initial value of each counter of described counting module (215) is zero, and each described counter is provided with setting value.
3. according to claim 1 or 2 described Perambulated inspection systems, it is characterized in that, described Perambulated inspection system also comprises a plurality of image pick-up cards (5) that connect respectively each described camera (3), the resulting described target image of each described camera (3) is stored in the described image pick-up card (5) be connected with each described camera (3), and described image pick-up card (5) is sent to described host computer (7) by described target image.
4. Perambulated inspection system according to claim 3, it is characterized in that, described Perambulated inspection system also comprises external trigger module (6), described external trigger module (6) comprises tachogenerator (61), photoelectric encoder (63) and the synchronous trigger circuit plate (65) connected in turn, described synchronous trigger circuit plate (65) connects each described camera (3), wherein
Described tachogenerator (61) gathers the travelling speed of described erecting frame (8), and the described travelling speed that will collect sends to described photoelectric encoder (63), described photoelectric encoder (63) produces the TTL square wave according to described travelling speed, and described TTL square wave is sent to described synchronous trigger circuit plate (65), described synchronous trigger circuit plate (65) is converted to LVDS or the RS232 signal trigger pip as described camera (3) using its TTL square wave received, and then regulate described camera (3) and with the line scan rate corresponding with described trigger pip, gather the image of described object (9), thereby obtain described target image.
5. a patrol and detection method, is characterized in that, Perambulated inspection system claimed in claim 4 is provided, and described patrol and detection method comprises the steps:
The first step, make described Perambulated inspection system and object (9) produce relative motion, make the light source (1) of described Perambulated inspection system irradiate described object (9), with the camera (3) of described Perambulated inspection system, absorb the image of described object (9), thereby obtain target image;
Second step, described camera (3) send to described target image the host computer (7) of described Perambulated inspection system, and the image processing system of described host computer (7) carries out analyzing and processing to described target image, and the output analysis result.
6. patrol and detection method according to claim 5, is characterized in that, when carrying out the described first step, described Perambulated inspection system carries out following steps simultaneously:
The light source adjustment device of described Perambulated inspection system is regulated the brightness of the light source (1) of described Perambulated inspection system.
7. patrol and detection method according to claim 6, is characterized in that, described light source adjustment device is regulated and comprised the steps: the brightness of described light source (1)
Step S01, described host computer (7) is processed the target image of reception, thereby obtains the analog image strength signal, and described analog image strength signal is sent to the A/D modular converter (211) of the regulator (2) of described light source adjustment device;
Step S02, described A/D modular converter (211) converts described analog image strength signal to the digital picture strength signal, and then obtains the A/D value, and described A/D modular converter (211) sends to described judge module (213) by described A/D value;
Step S03, described judge module (213) judge that described A/D value is whether in any one regional numerical range of the numerical range in a plurality of zones of described judge module (213), if, carry out step S04, if not, do not do any processing, proceed described step S01;
Step S04, in the photoelectric coupling module (217) of described light source adjustment device, the initial value of the counter corresponding with the numerical range in the zone at described A/D value place adds 1 automatically, thereby obtains end value;
Step S05, the described counter of the described correspondence of described judge module (213) judge whether described end value equals the setting value of the described counter of described correspondence, if not, turn back to step S01, if so, carry out step S06;
Step S06, the photoelectrical coupler conducting connected with described corresponding counter, the counter automatic clear of described correspondence simultaneously, described photoelectrical coupler generating digital level signal, and described digital signal level is sent to D/A modular converter (219);
Step S07, the described digital signal level that described D/A modular converter (219) will receive convert analog voltage signal to and described analog voltage signal are directly sent to the electric power driving module (4) of described light source adjustment device;
Step S08, the luminosity that described electric power driving module (4) is controlled described light source (1) according to described analog voltage signal changes.
8. patrol and detection method according to claim 5, is characterized in that, when carrying out the described first step, described Perambulated inspection system carries out following steps simultaneously:
The external trigger module (6) of described Perambulated inspection system sends trigger pip to described camera (3), and described camera (3) gathers described target image with the line scan rate corresponding with described trigger pip.
9. patrol and detection method according to claim 5, is characterized in that, when carrying out the described first step, described Perambulated inspection system carries out respectively following steps simultaneously:
The light source adjustment device of described Perambulated inspection system is regulated the brightness of described light source (1);
The external trigger module (6) of described Perambulated inspection system sends trigger pip to described camera (3), and described camera (3) gathers described target image with the line scan rate corresponding with described trigger pip.
10. patrol and detection method according to claim 9, is characterized in that, the external trigger module (6) of described Perambulated inspection system sends described trigger pip and also carries out before following steps to described camera (3):
The tachogenerator (61) of described external trigger module (6) gathers the travelling speed of the erecting frame (8) of described Perambulated inspection system, and described travelling speed is sent to the photoelectric encoder (63) of described external trigger module (6);
Described photoelectric encoder (63) produces the TTL square wave according to described travelling speed, and described TTL square wave is sent to the synchronous trigger circuit plate (65) of described external trigger module (6);
Described synchronous trigger circuit plate (65) is converted to LVDS or the RS232 signal described trigger pip as described camera (3) using described TTL square wave, and described LVDS or RS232 signal are sent to described camera (3).
11. patrol and detection method according to claim 5, is characterized in that, in described second step, the described image processing system of described host computer (7) carries out analyzing and processing to described target image and comprises the steps:
The first step, the image pre-service: described image processing system smoothly reaches Denoising disposal to target image, thereby obtains muting target image;
Second step, zone identification: described image processing system is identified the various zones of described muting target image, described muting target image is divided into to rail zone, sleeper zone and non-rail zone, and the input picture using each zone as follow-up defects detection;
The 3rd step, defects detection: described image processing system detects, analyzes described input picture, thereby judges, obtains the concrete zone at defect place and the kind of described defect;
The 4th step, defect location: the real-time speed that obtains described Perambulated inspection system operation according to the tachogenerator (61) of described external trigger module (6), obtain the range ability of described Perambulated inspection system, the information of described range ability is one to one with the sequence number of the described target image gathered, according to the corresponding relation of described range ability and detected described defect, record described defect and in motion process, appear at the accurate location on described object (9);
The 5th step, defect are described and classification: regional and geometric properties corresponding to the detected described defect in described non-rail zone from regional, the described sleeper of described rail, utilize described different geometric properties be described and classify described defect;
The 6th step, report output: the described defect be described and classify is exported as described analysis result.
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Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981520B (en) * | 2012-11-30 | 2015-09-02 | 苏州有色金属研究院有限公司 | Control the method that multiple stage camera synchronization gathers |
| CN103061219B (en) * | 2013-01-14 | 2015-01-21 | 武汉汉宁科技有限公司 | Method and device for automatically checking fastening states of railway fasteners and spring fasteners |
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| CN113146427A (en) * | 2020-05-29 | 2021-07-23 | 浙江大学 | Steel rail surface defect detection method |
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| CN113596454A (en) * | 2021-08-02 | 2021-11-02 | 成都引力视创科技有限公司 | Railway track image processing method and system, storage medium and electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699273A (en) * | 2009-10-29 | 2010-04-28 | 北京交通大学 | Auxiliary detection device and method of image processing for on-line flaw detection of rails |
| CN101769877A (en) * | 2008-12-26 | 2010-07-07 | 中国铁道科学研究院基础设施检测研究所 | Track surface scratch detection system |
| CN101827221A (en) * | 2010-03-23 | 2010-09-08 | 华南理工大学 | CCD (Charge Coupled Device) light source intensity self-adaption regulation system and method thereof |
| CN102030016A (en) * | 2010-11-03 | 2011-04-27 | 西南交通大学 | Structured light vision-based track irregularity state detection method |
| CN202275055U (en) * | 2011-09-20 | 2012-06-13 | 株洲时代电子技术有限公司 | Patrol and detection system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2305796A (en) * | 1995-09-26 | 1997-04-16 | London Underground Ltd | Monitoring track condition |
| US7463348B2 (en) * | 2006-07-10 | 2008-12-09 | General Electric Company | Rail vehicle mounted rail measurement system |
-
2011
- 2011-09-20 CN CN2011102796089A patent/CN102507587B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769877A (en) * | 2008-12-26 | 2010-07-07 | 中国铁道科学研究院基础设施检测研究所 | Track surface scratch detection system |
| CN101699273A (en) * | 2009-10-29 | 2010-04-28 | 北京交通大学 | Auxiliary detection device and method of image processing for on-line flaw detection of rails |
| CN101827221A (en) * | 2010-03-23 | 2010-09-08 | 华南理工大学 | CCD (Charge Coupled Device) light source intensity self-adaption regulation system and method thereof |
| CN102030016A (en) * | 2010-11-03 | 2011-04-27 | 西南交通大学 | Structured light vision-based track irregularity state detection method |
| CN202275055U (en) * | 2011-09-20 | 2012-06-13 | 株洲时代电子技术有限公司 | Patrol and detection system |
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