CN103438872A - Indoor and field integrated system based on dam three-dimension forward intersection measurement - Google Patents
Indoor and field integrated system based on dam three-dimension forward intersection measurement Download PDFInfo
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Abstract
The invention discloses an indoor and field integrated system based on dam three-dimension forward intersection measurement. The system comprises field airborne software based on total station development and an indoor data processing and management system based on Windows system development, wherein the field airborne software comprises a survey station preparation module, a measurement learning module and an automatic measurement module; the indoor data processing and management system comprises a data transmission module, a data preprocessing module, a data adjustment module, a data management query module and an output module. The system has complete functions and a unique algorithm, and forms automated and integrated operation of data gathering, processing, management, analysis, mapping and outlet of dam appearance three-dimension forward intersection measurement. Compared with the prior art, the system has the advantages that the automation degree and the reliability are greatly improved compared with the traditional method, and the system not only improves the operation efficiency, but also reduces the operation intensity, and has applicability and generalization performance in the appearance measurement of similar dams at home and abroad.
Description
Technical Field
The invention discloses a three-dimensional front intersection measurement-based internal and external industry integrated system for a dam, which is particularly suitable for the conditions of numerous monitoring points and relates to the technical field of engineering measurement and dam safety monitoring.
Background
The dam and its equipment will deform during operation, and such deformation, if within a certain loudness, is considered a normal phenomenon. However, if the deformation exceeds the specified limit, the normal use of the dam is affected, and the safety of the dam is endangered in severe cases. Therefore, during the operation of the dam, deformation monitoring must be carried out on the dam regularly, and the deformation condition of the dam must be grasped timely.
At present, dam deformation measurement is generally measured by a manual method, namely, measurement personnel manually record field monitoring data such as slope distance, horizontal angle, vertical angle, atmospheric factors and the like, a recorder calculates difference values such as 2C and the like on site and checks the difference limit, the requirement on the capacity of an observer and the recorder is high, and errors are difficult to find. The operation method has the advantages of large workload, high working strength, large interference by external environment, low precision of manual alignment, slow information feedback, and no contribution to arrangement, adjustment, analysis and application of measured data.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects of the prior art, the internal and external integrated system based on the dam three-dimensional forward intersection measurement is provided, and the integrated operations of automatic data acquisition, data transmission, data adjustment calculation, statistical analysis, data management pre-query, data output and the like of the dam appearance three-dimensional forward intersection measurement are realized.
The invention adopts the following technical scheme for solving the technical problems:
a kind of integrated system of interior and exterior based on three-dimensional front intersection measurement of the dam, including total station, computer, exterior airborne system and interior data processing and management system, the said exterior airborne system is set up in total station, including preparing module of survey station, studying and measuring module, automatic measuring module; the internal work data processing and managing system is arranged in a computer and comprises a data transmission module, a data preprocessing module, a data adjustment module, a data management and query module and an output module; wherein,
the station preparation module is used for realizing the input of relevant parameters of the station;
the learning measurement module is used for measuring approximate coordinates and elevations of the measuring points;
the automatic measurement module is used for measuring a horizontal angle, a zenith distance and an oblique distance, and simultaneously checking and calculating whether parameters input in the setting of the station preparation module meet the requirement of system tolerance or not;
the data transmission module is used for realizing the connection between the total station and the computer and the connection between the computer and the program background database and transmitting field observation data to the computer;
the data preprocessing module is used for arranging field observation data;
the data adjustment module calculates the adjustment of the plane coordinate and the adjustment of the elevation according to the collated field observation data;
the data management query module is used for storing and querying data information generated by the system;
the data output module is used for outputting system data information.
Further, the relevant parameters input in the station preparation module include: station name, sight point name, number of measured returns, number of directions, 2C difference, index difference and difference of measured returns.
Further, the field original data arranged by the data preprocessing module is stored in the form of an Excel electronic observation handbook.
Further, the system data information stored and queried by the data management query module includes: observing date, average result and attribute information.
Further, the system data output by the output module includes: electronic handbook, adjustment table, statistical analysis table, plane displacement vector diagram, vertical displacement vector diagram, process line diagram.
The calculation method of the adjustment and the adjustment of the elevation of the plane coordinate comprises the following specific steps:
step 1: performing constant addition correction, constant multiplication correction, meteorological correction, projection correction, period correction and inclination correction on the slope distance value of the point to be measured to obtain a corrected flat distance value;
step 2: calculating the ball air difference correction value of the point to be measured by using the corrected flat distance value obtained in the step (1);
calculating a plane coordinate correction value of the point to be measured by using the corrected flat distance value obtained in the step 1;
and step 3: calculating the elevation of the point to be measured according to the vertical angle of the observation station and the elevation of the reference point of the observation station and by combining the balloon difference correction value of the point to be measured;
calculating the error in the unit weight of the plane coordinate according to the correction value of the plane coordinate of the point to be measured;
and 4, step 4: calculating the back-and-forth difference of the elevation of the point to be measured, setting a threshold value of the back-and-forth difference, finishing the calculation of the adjustment difference of the point to be measured if the back-and-forth difference of the elevation of the point to be measured is smaller than the set threshold value, and re-measuring the point to be measured if the back-and-forth difference of the elevation of the point to be measured is larger than the set threshold value;
setting an error threshold value in the planar coordinate unit weight, and finishing adjustment calculation of the point to be measured if the error value in the planar coordinate unit weight of the point to be measured is smaller than the set threshold value; and if the error in the unit weight of the point to be measured is larger than the set threshold value, re-measuring the point to be measured.
Compared with the prior art, the invention adopting the technical scheme has the following technical effects: the internal and external integrated system based on dam appearance three-dimensional forward intersection measurement disclosed by the invention has complete functions, clear flow and unique algorithm, forms the digital and integrated operation of automatic acquisition, pretreatment, adjustment, analysis, management, mapping and output of data information, and vividly reproduces the deformation trend of a measuring point through a vector diagram and a process diagram. The system changes the manual field measurement and manual field processing mode of the existing appearance three-dimensional front intersection measurement, improves the quality and the operation speed of the measurement result, greatly lightens the operation intensity, reduces the labor force expenditure, improves the integrity, the accuracy, the automation and the visualization level of the measurement result, and is suitable for the deformation monitoring of similar dams with a plurality of measuring points and irregular distribution at home and abroad.
Drawings
FIG. 1 is a schematic diagram of the principle of plane coordinate measurement and elevation measurement in the present invention,
wherein: A. b represents measuring frame stations LS1 and LS2 which are known points, P is a point to be measured, and P' is the projection of P on the horizontal plane; alpha isAnd
angle in the horizontal plane, beta is
And
angle in the horizontal plane, gamma is
And
an included angle on a horizontal plane; s is the distance between the known point A and the known point B on the horizontal plane; s1And S2Are respectively as
And
length of (d); d1And D2Are respectively as
And
the horizontal length of (d); z1And Z2The vertical angles from the point A and the point B to the point P to be measured are respectively.
FIG. 2 is a schematic flow chart of the system operation of the present invention.
Fig. 3 is a schematic diagram of positions of monitoring points and reference points according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of the system architecture of the present invention.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the attached drawings:
fig. 4 is a schematic diagram of the system architecture of the present invention. The interior and exterior integrated system based on dam three-dimensional front intersection measurement comprises a total station, a computer, an exterior airborne system and an interior data processing and management system, wherein the exterior airborne system is arranged in the total station and comprises a station preparation module, a learning measurement module and an automatic measurement module; the internal work data processing and managing system is arranged in a computer and comprises a data transmission module, a data preprocessing module, a data adjustment module, a data management and query module and an output module; wherein,
the station preparation module is used for realizing the input of relevant parameters of the station;
the learning measurement module is used for measuring approximate coordinates and elevations of the measuring points;
the automatic measurement module is used for measuring a horizontal angle, a zenith distance and an oblique distance, and simultaneously checking and calculating whether parameters input in the setting of the station preparation module meet the requirement of system tolerance or not;
the data transmission module is used for realizing the connection between the total station and the computer and the connection between the computer and the program background database and transmitting field observation data to the computer;
the data preprocessing module is used for arranging field observation data;
the data adjustment module calculates the adjustment of the plane coordinate and the adjustment of the elevation according to the collated field observation data;
the data management query module is used for storing and querying data information generated by the system;
the data output module is used for outputting system data information.
As shown in fig. 3, LS1 and LS2 are three-dimensional forward intersection measurement rack stations, the rest points are monitoring points (shown in the form of triangles in the figure), and all the monitoring points and the reference points are forced observation piers. The invention discloses a three-dimensional front intersection measurement based interior and exterior integrated system based on dam appearance, which has a schematic operation flow diagram shown in figure 2 and specifically comprises the following steps:
firstly, erecting a total station with onboard software on a station erecting point LS2, opening the instrument to enter electronic bubbles, accurately leveling the electronic bubbles, operating the instrument according to the steps to automatically measure until all monitoring points are measured, and when the number of measuring points is large, grouping the measuring points according to the number of prisms, measuring according to groups to improve the measuring speed;
moving the instrument to an LS1 station, repeating the step (I) until all measuring points are measured, automatically storing the measuring data by the instrument, and closing the total station;
thirdly, setting corresponding serial ports and parameters by using the internal work data processing and managing system, and transmitting the automatically stored external work data in the total station to a computer;
and (IV) utilizing the data preprocessing module to arrange the field original data and storing the field original data in the form of an Excel electronic observation handbook.
And (V) calculating the plane coordinates and elevations of all the measuring points at the current period by using the data adjustment module.
FIG. 1 is a schematic diagram of the principle of plane coordinate measurement and elevation measurement in the present invention,
wherein: A. b is a known point and represents measuring frame stations LS1 and LS2, P is a point to be measured, and P' is the projection of P on the horizontal plane; alpha is
And
angle in the horizontal plane, beta isAnd
angle in the horizontal plane, gamma is
And
the included angles on the horizontal plane, namely alpha, beta and gamma are three internal angles of a triangle ABP'; s is the distance between the known point A and the known point B on the horizontal plane, is a known value, and is obtained by calculation according to plane coordinates of A, B; s1And S2Are respectively asAnd
is a measured value; d1And D2Are respectively as
And
from the measured value S1And S2Is transformed to obtain; z1And Z2The vertical angles from the point A and the point B to the point P to be measured are measured values.
The adjustment calculation of the plane coordinate comprises the following specific steps:
step 1: performing constant addition correction, multiplication constant correction, meteorological correction, projection correction, period correction and inclination correction on the measured slope distance to obtain a corrected flat distance value;
step 2: calculating an initial value of the coordinate of the point to be measured;
and step 3: calculating the coordinates of the points to be measured and the correction numbers of all the observed values;
and 4, step 4: calculating errors in unit weight according to the correction numbers of all the observed values;
and 5: selecting a certain error threshold in the unit weight, and finishing adjustment if the error in the unit weight is less than the threshold; if the error in the unit weight is larger than the threshold value, repeating the steps 2-5 until the error is smaller than the threshold value, and if the error is not qualified, retesting the measuring point.
The elevation adjustment calculation comprises the following specific steps:
step 1: consistent with the step 1 of calculating the plane coordinate adjustment;
step 2: calculating the spherical gas difference correction value of each measuring point of the LS2 and LS1 measuring stations by using the corrected flat distance obtained in the step 1;
and step 3: calculating the elevation of each measuring point by using the vertical angle result measured by the LS2 station and the elevation of the datum point (LS 2);
and 4, step 4: calculating the elevation of each measuring point by using the vertical angle result measured by the LS1 station and the elevation of the reference point (LS 1);
and 5: calculating the round trip difference of the elevations of the points to be measured obtained by the LS2 and the LS1, selecting a certain threshold, and averaging the difference to be used as the elevation of the final point to be measured if the round trip difference is smaller than the threshold; if the round trip difference is larger than the threshold value, the measuring point is retested.
And sixthly, inquiring the measurement period, the observation date, the average result and the attribute information by using the data management inquiry module.
And (seventhly), outputting the electronic handbook, the adjustment table, the statistical analysis table, the plane displacement vector diagram, the vertical displacement vector diagram and the process line diagram by using the data output module, generating an Excel report in a fixed format and storing the Excel report by using a data management query module.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications can be made without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (6)
1. A kind of integrated system of interior and exterior based on three-dimensional front intersection measurement of the dam, characterized by that, including total station, computer, exterior airborne system and interior data processing and management system, the said exterior airborne system is set up in the total station, including preparation module of survey station, studying and measuring module, automatic measuring module; the internal work data processing and managing system is arranged in a computer and comprises a data transmission module, a data preprocessing module, a data adjustment module, a data management and query module and an output module; wherein,
the station preparation module is used for realizing the input of relevant parameters of the station;
the learning measurement module is used for measuring approximate coordinates and elevations of the measuring points;
the automatic measurement module is used for measuring a horizontal angle, a zenith distance and an oblique distance, and simultaneously checking and calculating whether parameters input in the setting of the station preparation module meet the requirement of system tolerance or not;
the data transmission module is used for realizing the connection between the total station and the computer and the connection between the computer and the program background database and transmitting field observation data to the computer;
the data preprocessing module is used for arranging field observation data;
the data adjustment module calculates the adjustment of the plane coordinate and the adjustment of the elevation according to the collated field observation data;
the data management query module is used for storing and querying data information generated by the system;
the data output module is used for outputting system data information.
2. The integrated home and business system based on dam three-dimensional frontal intersection measurement as claimed in claim 1, wherein the relevant parameters inputted in the station preparation module comprise: station name, sight point name, number of measured returns, number of directions, 2C difference, index difference and difference of measured returns.
3. The integrated home and business system based on dam three-dimensional frontal intersection measurement as claimed in claim 1, wherein: the field original data arranged by the data preprocessing module is stored in the form of an Excel electronic observation handbook.
4. The integrated home and business system based on dam three-dimensional frontal intersection measurement as claimed in claim 1, wherein the system data information stored and queried by said data management query module comprises: observing date, average result and attribute information.
5. The integrated home and business system based on dam three-dimensional frontal intersection measurement as claimed in claim 1, wherein said output module outputs system data comprising: electronic handbook, adjustment table, statistical analysis table, plane displacement vector diagram, vertical displacement vector diagram, process line diagram.
6. The integrated home and business system based on dam three-dimensional frontal intersection measurement as claimed in claim 1, wherein the adjustment of the plane coordinates and the adjustment of the elevation are calculated by the following specific method:
step 1: performing constant addition correction, constant multiplication correction, meteorological correction, projection correction, period correction and inclination correction on the slope distance value of the point to be measured to obtain a corrected flat distance value;
step 2: calculating the ball air difference correction value of the point to be measured by using the corrected flat distance value obtained in the step (1);
calculating a plane coordinate correction value of the point to be measured by using the corrected flat distance value obtained in the step 1;
and step 3: calculating the elevation of the point to be measured according to the vertical angle of the observation station and the elevation of the reference point of the observation station and by combining the balloon difference correction value of the point to be measured;
calculating the error in the unit weight of the plane coordinate according to the correction value of the plane coordinate of the point to be measured;
and 4, step 4: calculating the back-and-forth difference of the elevation of the point to be measured, setting a threshold value of the back-and-forth difference, finishing the calculation of the adjustment difference of the point to be measured if the back-and-forth difference of the elevation of the point to be measured is smaller than the set threshold value, and re-measuring the point to be measured if the back-and-forth difference of the elevation of the point to be measured is larger than the set threshold value;
setting an error threshold value in the planar coordinate unit weight, and finishing adjustment calculation of the point to be measured if the error value in the planar coordinate unit weight of the point to be measured is smaller than the set threshold value; and if the error in the unit weight of the point to be measured is larger than the set threshold value, re-measuring the point to be measured.
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Cited By (6)
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| CN106197335A (en) * | 2016-06-14 | 2016-12-07 | 武汉瑞得信息工程有限责任公司 | A kind of control measuring method and system |
| CN106767738A (en) * | 2017-03-14 | 2017-05-31 | 中交第航务工程局有限公司 | A kind of long range angle measurement method over strait and system |
| CN106840090A (en) * | 2017-03-14 | 2017-06-13 | 中交第航务工程局有限公司 | A kind of measurement of higher degree method and system over strait |
| CN107991974A (en) * | 2017-12-28 | 2018-05-04 | 国电大渡河流域水电开发有限公司 | Deformation monitoring intelligent testing station host |
| CN114910003A (en) * | 2022-05-25 | 2022-08-16 | 湖北工业大学 | Measuring robot displacement monitoring method and device based on fixed track |
| CN117113012A (en) * | 2023-06-15 | 2023-11-24 | 中国水利水电第十二工程局有限公司 | Adjustment data preprocessing system based on level control |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106197335A (en) * | 2016-06-14 | 2016-12-07 | 武汉瑞得信息工程有限责任公司 | A kind of control measuring method and system |
| CN106767738A (en) * | 2017-03-14 | 2017-05-31 | 中交第航务工程局有限公司 | A kind of long range angle measurement method over strait and system |
| CN106840090A (en) * | 2017-03-14 | 2017-06-13 | 中交第航务工程局有限公司 | A kind of measurement of higher degree method and system over strait |
| CN106767738B (en) * | 2017-03-14 | 2019-07-16 | 中交第一航务工程局有限公司 | A kind of long range angle measurement method over strait and system |
| CN106840090B (en) * | 2017-03-14 | 2019-07-26 | 中交第一航务工程局有限公司 | A kind of measurement of higher degree method and system over strait |
| CN107991974A (en) * | 2017-12-28 | 2018-05-04 | 国电大渡河流域水电开发有限公司 | Deformation monitoring intelligent testing station host |
| CN114910003A (en) * | 2022-05-25 | 2022-08-16 | 湖北工业大学 | Measuring robot displacement monitoring method and device based on fixed track |
| CN117113012A (en) * | 2023-06-15 | 2023-11-24 | 中国水利水电第十二工程局有限公司 | Adjustment data preprocessing system based on level control |
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Application publication date: 20131211 |