CN108548821A - A kind of airfield pavement carefully sees shape measurement system and control evaluation method - Google Patents
A kind of airfield pavement carefully sees shape measurement system and control evaluation method Download PDFInfo
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Abstract
一种机场道面细观形貌测量系统及控制评价方法。系统包括测量车、高精度激光测距仪、GPS定位仪和工控机,高精度激光测距仪设在测量车外侧;GPS定位仪设在测量车顶部,内置有GPS模块和移动通信模块;工控机安装在测量车内部,设有显示器和数据库,并与高精度激光测距仪和GPS定位仪电连接。本发明优点:安装使用方便。模块化设计,安装拆卸方便。操作方面,无需进行较多调试,系统连接后即可使用。环境适应能力强,传统方法对光线、道面是否结冰等要求极高,否则会造成误判,本系统可以完美克服上述问题。能快速测量机场道面的细观形貌,通过长期使用可以用于分析跑道表面破损发生的位置、类型和程度。
An airport pavement micro-topography measurement system and control evaluation method. The system includes a measuring vehicle, a high-precision laser rangefinder, a GPS locator and an industrial computer. The high-precision laser rangefinder is set outside the measuring vehicle; the GPS locator is set on the top of the measuring vehicle, with a built-in GPS module and a mobile communication module; the industrial control The machine is installed inside the measuring vehicle, equipped with a display and a database, and is electrically connected with a high-precision laser range finder and a GPS locator. The invention has the advantages of convenient installation and use. Modular design, easy installation and disassembly. In terms of operation, there is no need for more debugging, and the system can be used after connection. The ability to adapt to the environment is strong. The traditional method has extremely high requirements on light and whether the road surface is icy, otherwise it will cause misjudgment. This system can perfectly overcome the above problems. It can quickly measure the micro-morphology of the airport pavement, and can be used to analyze the location, type and degree of damage on the runway surface through long-term use.
Description
技术领域technical field
本发明属于机场工程技术领域,特别是涉及一种机场道面细观形貌测量系统及控制评价方法。The invention belongs to the technical field of airport engineering, and in particular relates to an airport pavement mesoscopic topography measurement system and a control evaluation method.
背景技术Background technique
随着机场跑道使用年限的增加,道面会出现不同程度的破损,为此机场需要进行道面破损状况的实时监督,从而保障跑道的运行安全。针对此问题,国内外学者提出了多种解决方案。比如利用图像识别的方法拍摄道面图像、利用激光全站仪进行点云的绘制等。这些方法的提出,对于分析道面损伤类型和程度有着很大的贡献。但是,此类设备仅能完成一类工作,即道面图像的复原,而无法进行道面细观构造的重构。With the increase of the service life of the airport runway, the runway surface will be damaged to varying degrees. Therefore, the airport needs to carry out real-time monitoring of the runway damage status, so as to ensure the safety of the runway operation. Aiming at this problem, scholars at home and abroad have proposed various solutions. For example, image recognition is used to capture road surface images, and laser total stations are used to draw point clouds. These methods have made great contributions to the analysis of pavement damage types and degrees. However, this type of equipment can only complete one type of work, that is, the restoration of pavement images, but cannot reconstruct the mesoscopic structure of pavement.
道面细观构造随着跑道的使用寿命增加发生着细微的变化,这种变化表现在细骨料的脱落和粗骨料的露出,从而可能导致飞机扎胎,改变跑道摩擦系数,因此存在严重的安全隐患。用传统方法可以发现道面损坏但受制于机场运行管理要求,无法应用与跑道运行管理实际。因此需要寻找新的技术方法解决此问题。The mesoscopic structure of the pavement changes slightly with the increase of the service life of the runway. This change is manifested in the shedding of fine aggregates and the exposure of coarse aggregates, which may cause the aircraft to puncture and change the friction coefficient of the runway. Therefore, there are serious security risks. The traditional method can be used to detect pavement damage, but it is limited by the requirements of airport operation management and cannot be applied to the actual runway operation management. Therefore need to find new technical method to solve this problem.
如果能解决此问题,实现跑道细观构造的还原,将能有效提高跑道运行安全的保障能力,具有重要的现实意义。If this problem can be solved and the restoration of the runway mesoscopic structure can be realized, the ability to guarantee the safety of runway operation can be effectively improved, which has important practical significance.
发明内容Contents of the invention
为了解决上述问题,本发明的目的在于提供一种机场道面细观形貌测量系统及控制评价方法。In order to solve the above problems, the object of the present invention is to provide a measurement system and control evaluation method for the micro-topography of airport pavement.
为了达到上述目的,本发明提供的机场道面细观形貌测量系统包括测量车、高精度激光测距仪、GPS定位仪和工控机;其中高精度激光测距仪设置在测量车的外侧;GPS定位仪设置在测量车的顶部,内置有GPS模块和移动通信模块;工控机安装在测量车的内部,设有显示器和数据库,并与高精度激光测距仪和GPS定位仪电连接。In order to achieve the above object, the airport pavement micro-topography measurement system provided by the present invention includes a measuring vehicle, a high-precision laser range finder, a GPS locator and an industrial computer; wherein the high-precision laser range finder is arranged on the outside of the measuring vehicle; The GPS locator is set on the top of the measuring vehicle, with a built-in GPS module and a mobile communication module; the industrial computer is installed inside the measuring vehicle, equipped with a display and a database, and is electrically connected to the high-precision laser rangefinder and GPS locator.
所述的测量车为有人驾驶车辆或无人驾驶车辆。The measuring vehicle is a manned vehicle or an unmanned vehicle.
所述的高精度激光测距仪上安装有方向垂直向下指向机场道面的激光头,其测量精度为0.1mm。The high-precision laser rangefinder is equipped with a laser head pointing vertically downward to the airport pavement, and its measurement accuracy is 0.1 mm.
本发明提供的机场道面细观形貌测量系统的控制方法包括按顺序执行的下列步骤:The control method of the airport pavement mesoscopic profile measurement system provided by the present invention includes the following steps executed in order:
1)系统空闲的S1阶段:在此阶段中,系统中各组成部件处于待机状态,等待工控机的指令,然后进入S2阶段;1) S1 stage when the system is idle: In this stage, each component in the system is in a standby state, waiting for instructions from the industrial computer, and then enters the S2 stage;
2)开始测量道面细观构造的S2阶段:在此阶段中,工作人员启动工控机,对各硬件进行通电,然后进入S3阶段;2) Start the S2 stage of measuring the mesoscopic structure of the pavement: in this stage, the staff starts the industrial computer, powers up each hardware, and then enters the S3 stage;
3)硬件充电自检的S3阶段:在此阶段中,各硬件充电后自检,然后进入S4阶段;3) S3 stage of hardware charging self-inspection: in this stage, each hardware is self-inspected after charging, and then enters S4 stage;
4)判断自检结果的S4阶段:在此阶段中,系统判断各硬件通讯是否正常,如果判断结果为“是”,则进入S5阶段;否则进入S6阶段;4) The S4 stage of judging the self-test result: in this stage, the system judges whether the communication of each hardware is normal, if the judgment result is "yes", it will enter the S5 stage; otherwise, it will enter the S6 stage;
5)记录道面GPS坐标和细观构造尺寸的S5阶段:在此阶段中,测量车在道面上行驶,与此同时,高精度激光测距仪实时检测其上激光头与道面间的距离值,以此来确定细观构造尺寸是否发生变化,然后传送给工控机;GPS定位仪利用GPS模块获得GPS坐标,然后通过移动通信模块传送给工控机,工控机接收到上述数据后进行储存,用于后续分析,测量15秒钟后进入S7阶段;5) The S5 stage of recording the GPS coordinates and mesoscopic structural dimensions of the road surface: In this stage, the measuring vehicle is driving on the road surface, and at the same time, the high-precision laser rangefinder detects the distance between the laser head and the road surface in real time. The distance value is used to determine whether the mesoscopic structure size has changed, and then transmit it to the industrial computer; the GPS locator uses the GPS module to obtain the GPS coordinates, and then transmits it to the industrial computer through the mobile communication module, and the industrial computer stores the above data after receiving it , for subsequent analysis, enter the S7 stage after 15 seconds of measurement;
6)提示检查硬件的S6阶段:在此阶段中,工控机提示报警,等待工作人员检查,然后返回S1阶段;6) Prompt to check the hardware S6 stage: In this stage, the industrial computer prompts an alarm, waits for the staff to check, and then returns to the S1 stage;
7)判断测试是否终止的S7阶段:在此阶段中,判断高精度激光测距仪和GPS定位仪传回的数据是否不变,如果判断结果为“是”,则进入S8阶段;否则返回S5阶段;7) The S7 stage of judging whether the test is terminated: in this stage, it is judged whether the data returned by the high-precision laser range finder and the GPS locator are unchanged, if the judgment result is "yes", then enter the S8 stage; otherwise, return to S5 stage;
8)测量结束的S8阶段:在此阶段中,工控机自动退出运行,测量结束。8) S8 stage at the end of the measurement: In this stage, the industrial computer automatically exits the operation, and the measurement ends.
本发明提供的机场道面细观形貌测量系统的评价方法包括按顺序执行的下列步骤:The evaluation method of the airport pavement mesoscopic topography measurement system provided by the present invention comprises the following steps carried out in order:
1)测量并记录起始点信息的S11阶段:在此阶段中,工控机记录系统启动后分别由GPS定位仪和高精度激光测距仪传送的第一个GPS坐标及对应的激光头与道面间的距离值,并将该距离值作为初始距离值,然后进入S12阶段;1) The S11 stage of measuring and recording the starting point information: In this stage, the industrial computer records the first GPS coordinates and the corresponding laser head and road surface respectively transmitted by the GPS locator and the high-precision laser rangefinder after the system is started. The distance value between, and use this distance value as the initial distance value, then enter the S12 stage;
2)完成单次机场道面细观形貌测量的S12阶段:在此阶段中,测量车在机场道面上行驶,在此过程中,高精度激光测距仪实时检测其上激光头与道面间的距离值,以此来确定细观构造尺寸是否发生变化,然后传送给工控机;GPS定位仪利用GPS模块获得GPS坐标,然后通过移动通信模块传送给工控机,由此完成单次机场道面细观形貌测量,然后进入S13阶段;2) Complete the S12 stage of a single airport pavement mesoscopic topography measurement: In this stage, the measuring vehicle drives on the airport pavement. The distance value between the planes is used to determine whether the mesoscopic structure size has changed, and then sent to the industrial computer; the GPS locator uses the GPS module to obtain the GPS coordinates, and then transmits it to the industrial computer through the mobile communication module, thereby completing a single airport. Mesoscopic topography measurement of the pavement, and then enter the S13 stage;
3)单次测量数据修正的S13阶段:在此阶段中,工控机将本次测量所获得的每一个距离值减去S11阶段所记录的初始距离值,得到单次测量修正数据,然后进入S14阶段;3) S13 stage of single measurement data correction: In this stage, the industrial computer subtracts each distance value obtained in this measurement from the initial distance value recorded in S11 stage to obtain single measurement correction data, and then enters S14 stage;
4)数据存储的S14阶段:在此阶段中,工控机将上述单次测量修正数据存入数据库,然后进入S15阶段;4) S14 stage of data storage: In this stage, the industrial computer stores the above-mentioned single measurement correction data into the database, and then enters the S15 stage;
5)道面破损位置分析的S15阶段:在此阶段中,工控机将数据库内相同GPS坐标下所记录的本次修正数据减去上一次测量获得的修正数据,将结果不为零的位置在显示器上用红色进行标记,该位置即为发生破损的点,用于后续分析道面破损发生的位置;5) Stage S15 of pavement damage location analysis: In this stage, the industrial computer subtracts the correction data obtained from the previous measurement from the current correction data recorded under the same GPS coordinates in the database, and places the position where the result is not zero at The display is marked in red, and this position is the point where the damage occurs, which is used for subsequent analysis of the position where the damage occurs on the pavement;
6)道面破损类型分析的S16阶段:在此阶段中,工控机提取相隔距离在1厘米之内的红色点坐标,并利用这些坐标建立坐标分析矩阵,然后将坐标分析矩阵和预先存储的与道面破损类型相对应的所有特征矩阵进行对比,如果与某一特征矩阵匹配,即可判定出该道面破损的具体类型,然后进入S17阶段;6) The S16 stage of pavement damage type analysis: in this stage, the industrial computer extracts the coordinates of the red points within 1 cm apart, and uses these coordinates to establish a coordinate analysis matrix, and then combines the coordinate analysis matrix with the pre-stored and All feature matrices corresponding to the pavement damage type are compared. If they match a certain feature matrix, the specific type of pavement damage can be determined, and then enter the S17 stage;
7)道面破损程度分析的S17阶段:在此阶段中,工控机根据历次测量结果的对比,分析道面损伤发展的速率,在显示器上用红黄蓝三种颜色分别表示出“严重”、“较快”和“缓慢”三种损伤程度,然后进入S17阶段;7) S17 stage of pavement damage degree analysis: In this stage, the industrial computer analyzes the development rate of pavement damage based on the comparison of previous measurement results, and displays "serious", "severe", and "serious" on the display with three colors of red, yellow and blue "Faster" and "Slow" three damage levels, and then enter the S17 stage;
8)道面摩擦系数分析的S18阶段:在此阶段中,工控机根据测量结果分析各个标记位置的摩擦系数,然后进入S19阶段;8) S18 stage of pavement friction coefficient analysis: in this stage, the industrial computer analyzes the friction coefficient of each marked position according to the measurement results, and then enters the S19 stage;
9)道面结冰状态分析的S19阶段:在此阶段中,工控机根据测量结果分析各个标记位置是否存在结冰,然后进入S20阶段;9) S19 stage of road surface icing state analysis: in this stage, the industrial computer analyzes whether there is icing at each marked position according to the measurement results, and then enters the S20 stage;
10)生成分析报告的S20阶段:在此阶段中,工控机根据上述步骤7)—步骤9)的分析结果生成分析报告,评价结束。10) S20 stage of generating an analysis report: In this stage, the industrial computer generates an analysis report according to the analysis results of the above steps 7) to 9), and the evaluation ends.
本发明提供的机场道面细观形貌测量系统及控制评价方法具有如下优点:1)安装使用方便。模块化设计,安装拆卸方便。2)操作方面,无需进行较多调试,系统连接后即可使用。3)环境适应能力强,传统方法对光线、道面是否结冰等要求极高,否则会造成误判,本系统可以完美克服上述问题。4)本装置能快速测量机场道面的细观形貌,通过长期使用可以用于分析跑道表面破损发生的位置、类型和程度。The airport pavement micro-topography measurement system and control evaluation method provided by the present invention have the following advantages: 1) It is easy to install and use. Modular design, easy installation and disassembly. 2) In terms of operation, there is no need for more debugging, and the system can be used after connection. 3) The ability to adapt to the environment is strong. The traditional method has extremely high requirements on the light and whether the road surface is icy, otherwise it will cause misjudgment. This system can perfectly overcome the above problems. 4) This device can quickly measure the mesoscopic appearance of the airport pavement, and can be used to analyze the location, type and degree of damage on the runway surface through long-term use.
附图说明Description of drawings
图1为本发明提供的机场道面细观形貌测量系统组成图。Fig. 1 is a composition diagram of the airport pavement micro-topography measurement system provided by the present invention.
图2为本发明提供的机场道面细观形貌测量系统的控制方法流程图。Fig. 2 is a flow chart of the control method of the airport pavement micro-topography measurement system provided by the present invention.
图3为本发明提供的机场道面细观形貌测量系统的评价方法流程图。Fig. 3 is a flow chart of the evaluation method of the airport pavement micro-topography measurement system provided by the present invention.
具体实施方式Detailed ways
下面结合附图和具体实施例对本发明提供的机场道面细观形貌测量系统及控制评价方法进行详细说明。The airport pavement micro-topography measurement system and control evaluation method provided by the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
如图1所示,本发明提供的机场道面细观形貌测量系统包括测量车1、高精度激光测距仪2、GPS定位仪3和工控机4;其中高精度激光测距仪2设置在测量车1的外侧;GPS定位仪3设置在测量车1的顶部,内置有GPS模块和移动通信模块;工控机4安装在测量车1的内部,设有显示器和数据库,并与高精度激光测距仪2和GPS定位仪3电连接。As shown in Figure 1, the airport pavement mesoscopic topography measurement system provided by the present invention comprises a measuring vehicle 1, a high-precision laser rangefinder 2, a GPS locator 3 and an industrial computer 4; wherein the high-precision laser rangefinder 2 is set On the outside of the measuring vehicle 1; the GPS locator 3 is set on the top of the measuring vehicle 1, with a built-in GPS module and a mobile communication module; the industrial computer 4 is installed inside the measuring vehicle 1, with a display and a database, and communicates with a high-precision laser The range finder 2 is electrically connected with the GPS locator 3 .
所述的测量车1为有人驾驶车辆或无人驾驶车辆。The measuring vehicle 1 is a manned vehicle or an unmanned vehicle.
所述的高精度激光测距仪2上安装有方向垂直向下指向机场道面的激光头,在测量车1移动过程中用于测量激光头与道面间的距离值,以判定道面细观构造尺寸是否发生变化,其测量精度为0.1mm。The high-precision laser rangefinder 2 is equipped with a laser head pointing vertically downward to the airport road surface, and is used to measure the distance between the laser head and the road surface during the movement of the measuring vehicle 1 to determine the fineness of the road surface. To see whether the size of the structure changes, the measurement accuracy is 0.1mm.
现将本发明提供的机场道面细观形貌测量系统的工作原理阐述如下:Now the working principle of the airport pavement micro-topography measurement system provided by the present invention is set forth as follows:
当需要对机场道面细观形貌进行测量时,首先由工作人员驾驶测量车1或使用无人驾驶的测量车1在道面上行驶,与此同时,在工控机4的控制下,利用高精度激光测距仪2实时检测其上激光头与道面间的距离值,以此来确定细观构造尺寸是否发生变化,然后传送给工控机4;GPS定位仪3利用GPS模块获得GPS坐标,然后通过移动通信模块传送给工控机4,工控机4接收到上述数据后进行储存,并进行分析,最终生成分析报告。When it is necessary to measure the mesoscopic appearance of the airport pavement, the staff first drives the measuring vehicle 1 or uses the unmanned measuring vehicle 1 to drive on the pavement. At the same time, under the control of the industrial computer 4, use The high-precision laser range finder 2 detects the distance between the upper laser head and the road surface in real time to determine whether the mesoscopic structure size changes, and then transmits it to the industrial computer 4; the GPS locator 3 uses the GPS module to obtain GPS coordinates , and then transmit it to the industrial computer 4 through the mobile communication module, and the industrial computer 4 stores and analyzes the above data after receiving the above data, and finally generates an analysis report.
如图2所示,本发明提供的机场道面细观形貌测量系统的控制方法包括按顺序执行的下列步骤:As shown in Figure 2, the control method of the airport pavement micro-topography measurement system provided by the present invention includes the following steps executed in sequence:
1)系统空闲的S1阶段:在此阶段中,系统中各组成部件处于待机状态,等待工控机4的指令,然后进入S2阶段;1) S1 stage when the system is idle: in this stage, each component in the system is in a standby state, waiting for an instruction from the industrial computer 4, and then enters the S2 stage;
2)开始测量道面细观构造的S2阶段:在此阶段中,工作人员启动工控机4,对各硬件进行通电,然后进入S3阶段;2) Start the S2 stage of measuring the mesoscopic structure of the road surface: in this stage, the staff starts the industrial computer 4, electrifies each hardware, and then enters the S3 stage;
3)硬件充电自检的S3阶段:在此阶段中,各硬件充电后自检,然后进入S4阶段;3) S3 stage of hardware charging self-inspection: in this stage, each hardware is self-inspected after charging, and then enters S4 stage;
4)判断自检结果的S4阶段:在此阶段中,系统判断各硬件通讯是否正常,如果判断结果为“是”,则进入S5阶段;否则进入S6阶段;4) The S4 stage of judging the self-test result: in this stage, the system judges whether the communication of each hardware is normal, if the judgment result is "yes", it will enter the S5 stage; otherwise, it will enter the S6 stage;
5)记录道面GPS坐标和细观构造尺寸的S5阶段:在此阶段中,测量车1在道面上行驶,与此同时,高精度激光测距仪2实时检测其上激光头与道面间的距离值,以此来确定细观构造尺寸是否发生变化,然后传送给工控机4;GPS定位仪3利用GPS模块获得GPS坐标,然后通过移动通信模块传送给工控机4,工控机4接收到上述数据后进行储存,用于后续分析,测量15秒钟后进入S7阶段;5) The S5 stage of recording the GPS coordinates and mesoscopic structural dimensions of the road surface: in this stage, the measuring vehicle 1 is driving on the road surface, and at the same time, the high-precision laser range finder 2 detects the laser head on it and the road surface in real time. The distance value between is used to determine whether the mesoscopic structure size changes, and then transmit it to the industrial computer 4; the GPS locator 3 uses the GPS module to obtain the GPS coordinates, and then transmits it to the industrial computer 4 through the mobile communication module, and the industrial computer 4 receives Store the above data for subsequent analysis, and enter the S7 stage after 15 seconds of measurement;
6)提示检查硬件的S6阶段:在此阶段中,工控机4提示报警,等待工作人员检查,然后返回S1阶段;6) Prompt to check the S6 stage of the hardware: in this stage, the industrial computer 4 prompts an alarm, waits for the staff to check, and then returns to the S1 stage;
7)判断测试是否终止的S7阶段:在此阶段中,判断高精度激光测距仪2和GPS定位仪3传回的数据是否不变,如果判断结果为“是”,则进入S8阶段;否则返回S5阶段;7) The S7 stage of judging whether the test is terminated: in this stage, it is judged whether the data returned by the high-precision laser rangefinder 2 and the GPS locator 3 are unchanged, if the judgment result is "yes", then enter the S8 stage; otherwise Return to the S5 stage;
8)测量结束的S8阶段:在此阶段中,工控机4自动退出运行,测量结束。8) Stage S8 at the end of the measurement: In this stage, the industrial computer 4 automatically exits the operation, and the measurement ends.
如图3所示,本发明提供的机场道面细观形貌测量系统的评价方法包括按顺序执行的下列步骤:As shown in Figure 3, the evaluation method of the airport pavement micro-topography measurement system provided by the present invention comprises the following steps carried out in order:
1)测量并记录起始点信息的S11阶段:在此阶段中,工控机4记录系统启动后分别由GPS定位仪3和高精度激光测距仪2传送的第一个GPS坐标及对应的激光头与道面间的距离值,并将该距离值作为初始距离值,然后进入S12阶段;1) The S11 stage of measuring and recording the starting point information: In this stage, the first GPS coordinates and the corresponding laser head transmitted by the GPS locator 3 and the high-precision laser rangefinder 2 respectively after the industrial computer 4 records the system start The distance value from the road surface, and use this distance value as the initial distance value, and then enter the S12 stage;
2)完成单次机场道面细观形貌测量的S12阶段:在此阶段中,测量车1在机场道面上行驶,在此过程中,高精度激光测距仪2实时检测其上激光头与道面间的距离值,以此来确定细观构造尺寸是否发生变化,然后传送给工控机4;GPS定位仪3利用GPS模块获得GPS坐标,然后通过移动通信模块传送给工控机4,由此完成单次机场道面细观形貌测量,然后进入S13阶段;2) Complete the S12 stage of a single airport pavement mesoscopic topography measurement: in this stage, the measuring vehicle 1 drives on the airport pavement, and during this process, the high-precision laser rangefinder 2 detects the laser head on it in real time The distance value between the road surface is used to determine whether the mesoscopic structure size changes, and then send it to the industrial computer 4; the GPS locator 3 uses the GPS module to obtain the GPS coordinates, and then transmits it to the industrial computer 4 through the mobile communication module. This completes a single airport pavement mesoscopic topography measurement, and then enters the S13 stage;
3)单次测量数据修正的S13阶段:在此阶段中,工控机4将本次测量所获得的每一个距离值减去S11阶段所记录的初始距离值,得到单次测量修正数据,然后进入S14阶段;3) S13 stage of single measurement data correction: in this stage, industrial computer 4 subtracts each distance value obtained in this measurement from the initial distance value recorded in S11 stage to obtain single measurement correction data, and then enters S14 stage;
4)数据存储的S14阶段:在此阶段中,工控机4将上述单次测量修正数据存入数据库,然后进入S15阶段;4) S14 stage of data storage: in this stage, the industrial computer 4 stores the above-mentioned single measurement correction data into the database, and then enters the S15 stage;
5)道面破损位置分析的S15阶段:在此阶段中,工控机4将数据库内相同GPS坐标下所记录的本次修正数据减去上一次测量获得的修正数据,将结果不为零的位置在显示器上用红色进行标记,该位置即为发生破损的点,用于后续分析道面破损发生的位置;5) Stage S15 of pavement damage position analysis: In this stage, the industrial computer 4 subtracts the correction data obtained from the previous measurement from the current correction data recorded under the same GPS coordinates in the database, and calculates the position where the result is not zero. Mark it in red on the display, and this position is the point where the damage occurs, which is used for subsequent analysis of the position where the damage occurs on the pavement;
6)道面破损类型分析的S16阶段:在此阶段中,工控机4提取相隔距离在1厘米之内的红色点坐标,并利用这些坐标建立坐标分析矩阵,然后将坐标分析矩阵和预先存储的与道面破损类型相对应的所有特征矩阵进行对比,如果与某一特征矩阵匹配,即可判定出该道面破损的具体类型,然后进入S17阶段;比如,对于道面裂缝这种道面破损类型,其对应一种特征矩阵,如果坐标分析矩阵和道面裂缝的特征矩阵匹配,即可判定出与坐标分析矩阵对应的道面破损为道面裂缝;。6) The S16 stage of pavement damage type analysis: in this stage, the industrial computer 4 extracts the coordinates of the red points within 1 cm apart, and uses these coordinates to establish a coordinate analysis matrix, and then combines the coordinate analysis matrix with the pre-stored All feature matrices corresponding to the type of pavement damage are compared. If they match a certain feature matrix, the specific type of pavement damage can be determined, and then enter the S17 stage; for example, for pavement cracks such as pavement damage type, which corresponds to a characteristic matrix, and if the coordinate analysis matrix matches the characteristic matrix of pavement cracks, it can be determined that the pavement damage corresponding to the coordinate analysis matrix is a pavement crack;
7)道面破损程度分析的S17阶段:在此阶段中,工控机4根据历次测量结果的对比,分析道面损伤发展的速率,在显示器上用红黄蓝三种颜色分别表示出“严重”、“较快”和“缓慢”三种损伤程度,然后进入S17阶段;7) Stage S17 of pavement damage degree analysis: In this stage, the industrial computer 4 analyzes the speed of pavement damage development based on the comparison of previous measurement results, and displays "serious" on the display with three colors of red, yellow and blue. , "quick" and "slow" three damage levels, and then enter the S17 stage;
8)道面摩擦系数分析的S18阶段:在此阶段中,工控机4根据测量结果分析各个标记位置的摩擦系数,然后进入S19阶段;8) S18 stage of road surface friction coefficient analysis: in this stage, the industrial computer 4 analyzes the friction coefficient of each marked position according to the measurement results, and then enters the S19 stage;
9)道面结冰状态分析的S19阶段:在此阶段中,工控机4根据测量结果分析各个标记位置是否存在结冰,然后进入S20阶段;9) S19 stage of pavement icing state analysis: in this stage, the industrial computer 4 analyzes whether there is icing at each marked position according to the measurement results, and then enters the S20 stage;
10)生成分析报告的S20阶段:在此阶段中,工控机4根据上述步骤7)—步骤9)的分析结果生成分析报告,评价结束。10) S20 stage of generating an analysis report: In this stage, the industrial computer 4 generates an analysis report according to the analysis results of the above steps 7) to 9), and the evaluation ends.
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