边坡稳定雷达SSR

1、边坡稳定雷达SSR刘晶Technical SpecialistCommercial in ConfidenceSSR Motor Control SystemCommercial in ConfidenceSSR Motor Control SystemCommercial in ConfidenceSSR Motor Control SystemCommercial in ConfidenceSSR Motor Control System滑坡区域位移曲线Commercial in ConfidenceSSR Motor Control System变形监测工具: 点/线监测 棱镜、传感器、

2、GPS 面监测 三维激光扫描仪、三维照相、SSR定义两种监测类型： 实时监测即时报警、实时分析 背景监测 长期趋势分析、后期数据分析Commercial in ConfidenceSSR Motor Control System三维激光扫描仪Commercial in ConfidenceSSR Motor Control System棱镜/测量机器人Commercial in ConfidenceSSR Motor Control SystemGPS点监测需要布置监测点Commercial in ConfidenceSSR Motor Control System传感器点监测需要布置大量点，

3、且易损失Commercial in ConfidenceSSR Motor Control System实时大范围高精度无需布置监测点Commercial in ConfidenceSSR Motor Control System大区域，覆盖整个边坡即时监测亚毫米级微形变监测自动化监测及报警高度的可靠性Commercial in ConfidenceSSR Motor Control System即时监测即时监测背景监测背景监测面监测面监测SSR三维激光扫描仪点监测点监测传感器GPS、棱镜、传感器变形监测工具: 点/线监测 棱镜、传感器、GPS 面监测 三维激光扫描仪、三维照相、SSR定义两种

4、监测类型： 实时监测即时报警、实时分析 背景监测 长期趋势分析、后期数据分析Commercial in ConfidenceSSR Motor Control SystemSlope Stability Radar - Model SSR-XTUser User InterfaceInterfaceRemote Remote Area Area Power Power SupplySupplyCameraCameraAzimuth Azimuth MCMMCMPower Power Distribution UnitDistribution UnitElevation MCMElevation

5、 MCMRadar Computer Radar Computer Electronics (RCE)Electronics (RCE)Radar Interface Radar Interface Module (RIM)Module (RIM)Weather Weather StationStationFeed HornFeed HornAntennaeAntennaeCommercial in ConfidenceSSR Motor Control SystemSSR测量原理15mm360相位差形变TxRxd Commercial in ConfidenceSSR Motor Contr

6、ol System变形区域Commercial in ConfidenceSSR Motor Control System变形曲线Commercial in ConfidenceSSR Motor Control System报警-Urgent AlarmCommercial in ConfidenceSSR Motor Control System报警-Geotech AlarmCommercial in ConfidenceSSR Motor Control System有什么问题？.1大气条件对雷达信号的影响？.2如何定位？.3临界值以及时间的重要性？Commercial in Conf

7、idenceSSR Motor Control System大气成分对雷达信号的影响.1湿度.2温度.3气压当两次扫描之间大气成分发生变化，则即便监测区域没有发生位移，雷达回波信号也会产生相位差影响雷达信号的大气条件因素：Commercial in ConfidenceSSR Motor Control System时间相关的大气条件变化During temporal changes the SSR starts scanning, and before it finishes, the weather changes.These changes mean that the atmospher

8、ic correction is incorrect for some parts of the scan.These effects can be limited by reducing the scan time, which reduces the amount of change in atmospheric conditions that occur during the scan.Commercial in ConfidenceSSR Motor Control System空间相关的大气条件变化During spatial changes there are different

9、weather patterns across the scan area.These differences mean that the atmospheric correction is incorrect for some parts of the scan.It is very difficult to address this problem, as each part of the wall needs a different atmospheric correction applied.It should be noted that different atmospheric c

10、onditions in the scan area are not the problem, it is when these atmospheric conditions change that a problem arises.Commercial in ConfidenceSSR Motor Control System如何校正.1稳定参考区（主要）.2气象站Commercial in ConfidenceSSR Motor Control System稳定参考区Commercial in ConfidenceSSR Motor Control System稳定参考区稳定参考区监测到形

11、变量监测到形变量扫描区域扫描区域这一校正应用到所有点上这一校正应用到所有点上A correction is calculated from the Stable Reference AreaCommercial in ConfidenceSSR Motor Control System大气条件变化校正Correction(mm)Range(m)The deformation of all pixels is measured, and those forming the stable reference area are noted.Drawing a line of best fit thr

12、ough the stable reference area points shows the correction that will be applied.The place where that line crosses the range of 1000 m will give the ppm correction value.The difference between the measured deformation and correction value of the other pixels is their actual deformation.10000ppm value

13、xCommercial in ConfidenceSSR Motor Control System气象站Commercial in ConfidenceSSR Motor Control System气象站Commercial in ConfidenceSSR Motor Control System两种不同的算法CorrectionUnlocked algorithmRange(mm)(m)Atmospheric CorrectionPixel Stable reference area pixel Increasing ErrorLocked algorithmLockedUnlocked

14、Commercial in ConfidenceSSR Motor Control System大气条件校正实例1校正因数 (mm)10001 ppmCorrections are applied linearly as ppm values according to the distance the SSR is from the wall.Example 1: the atmospheric correction is 1 ppm moving towards the radar.120At 500 m data points will have 0.5 mm of deformation

15、 subtracted from their uncorrected deformation.At 1500 m pixels will have 1.5 mm subtracted from their uncorrected deformation.5001500XXCommercial in ConfidenceSSR Motor Control SystemCorrection(mm)10008 ppm8160For pixels at 1 km, correct the deformation by 8 mm.For pixels at 2 km, correct the defor

16、mation by 16 mm.5001500XX412Example 2: 4 mm of movement in a stable reference area at 500 m will equal 8 ppm of correction.2000大气条件校正案例 2Correction(mm)10001 ppmCorrections are applied linearly as ppm values according to the distance the SSR is from the wall.Example 1: the atmospheric correction is 1

17、 ppm moving towards the radar.120At 500 m data points will have 0.5 mm of deformation subtracted from their uncorrected deformation.At 1500 m pixels will have 1.5 mm subtracted from their uncorrected deformation.5001500XXCommercial in ConfidenceSSR Motor Control System如何定位空间一点雷达波获得的是一维空间信息Commercial

18、 in ConfidenceSSR Motor Control SystemSSR的扫描方式Commercial in ConfidenceSSR Motor Control SystemSSR像元大小目标距离，米目标距离，米光斑面积，米光斑面积，米x x米米350米Commercial in ConfidenceSSR Motor Control System如何保证雷达波束的精确指向Commercial in ConfidenceSSR Motor Control SystemRIMMotherboardT-Series Motor ControlElevation MotorAzimut

19、h MotorDish & FeedhornCameraRCEFPGA BoardRFFPGA BoardOutput (Display, modem)Azimuth EncoderElevation EncoderElevation MCMAzimuth MCMEthernetElevation Limit SwitchAzimuth Limit SwitchCommercial in ConfidenceSSR Motor Control SystemGeoreferenceCommercial in ConfidenceSSR Motor Control System意义.1便于

20、定位危险区域.2便于长期趋势监测.3便于数据整合Commercial in ConfidenceSSR Motor Control SystemCommercial in ConfidenceSSR Motor Control SystemCommercial in ConfidenceSSR Motor Control SystemCommercial in ConfidenceSSR Motor Control SystemCommercial in ConfidenceSSR Motor Control SystemMining recommenced当位移量达到1mm/h时停止采矿Mi

21、ning recommencedMining haltedZoomed region (previous slide)Commercial in ConfidenceSSR Motor Control System触发警报触发警报Commercial in ConfidenceSSR Motor Control SystemCommercial in ConfidenceSSR Motor Control SystemInitial movement on circular planeCommercial in ConfidenceSSR Motor Control SystemPixel D

22、efinition of Movement on Sheer PlanePreliminary acceleration in low competency overburdenCommercial in ConfidenceSSR Motor Control SystemCommercial in ConfidenceSSR Motor Control SystemCommercial in ConfidenceSSR Motor Control SystemRegional Failure of Rock MassCommercial in ConfidenceSSR Motor Control SystemPoint of FailureChange in Rock Mass Acceleration indicates pending fa