Part i, network analysis, deals with the processing and analysis of collected data to guarantee accurate results. Geodetic network analysis and optimal design download ebook. The first order design problem in geodesy is generalized here, to seek the network configuration that optimizes the precision of geophysical parameters. An extension of its application to the optimal design of any geodetic networks for engineering purposes is quite straight forward. In order to design an optimal geodetic network, grafarend 1974. Theory of deformation analysis ii 362 the 10th fig international symposium on deformation measurements optimal design of geodetic monitoring networks by means of interval mathematics steffen schon1 and hansjorg kutterer2 1geodatisches institut, universitat karlsruhe th, englerstrasse 7, d76128 karlsruhe germany. A geodetic control network consists of stable, identifiable points with published datum values derived from observations that tie the points together. Concepts and applications on free shipping on qualified orders. Today, this is almost always accomplished by implementing analytical.
Observation of a horizontal angle, azimuth and horizontal distance 3. Reliability, the success of detecting outliers in a geodetic network and accuracy, the quality of a network in terms of random errors, largely depend on the configuration of the measurements. Control points selection based on maximum external reliability for. Kuang geodetic network analysis and optimal design. The points of the geodetic network are secured at their location by geodetic markers. Generally, an optimal geodetic network is a network with high precision and reliability, which fulfils the economic considerations. Optimization and design of geodetic networks 1985 by e w grafarend, f sanso add to metacart.
Basic concepts of optimization and design of geodetic. Although the design of geodetic networks is a widely investigated topic. During the period april 25th to may 10th, 1984 the 3rd course of the international school of advanced geodesy entitled optimization and design of geodetic networks took place in erice. However, the lse is no longer optimal in the presence of systematic. Pdf on jun 12, 2015, mohammad amin alizadehkhameneh and others published. An optimal design of a geodetic network can fulfill the requested precision and reliability of the network, and decrease the expenses of its execution by removing unnecessary observations. Optimal design of geodetic monitoring networks by means of interval mathematics 19 22 march 2001 orange, california, usa 363 uncertainty as standard deviation, usually assuming a normal distribution.
The effects of geodetic configuration of the network in deformation. An optimal geodetic network is a network having high precision and reliability. Optimized zero and first order design of micro geodetic. Twoepoch optimal design of displacement monitoring networks the developed twoepoch optimisation of displacement monitoring network delivers the same accuracies for the displacement as those of the traditional oneepoch method, but less observations are used in this approach. Optimization and design of geodetic networks erik w. Optimization and design of geodetic networks springerlink. Fully analytical approach to biobjective optimization and design of geodetic networks, msc thesis, department of geodesy and geomatics, k. Optimization and design of geodetic networks 1985 citeseerx. Reliability, the success of detecting outliers in a geodetic network and accuracy.
Network configuration, deformation analysis, optimization, confidence ellipses. Optimization means maximizing or minimizing an objective function which represents the criteria adopted to define quality of a geodetic network. Optimal design problem of a geodetic network was widely investigated since the. The geometrical strength analysis robustness analysis is another aspect of. The convergence of the eurasian and african lithospheric plates forces a westward motion on the anatolian plate relative to the eurasian one.
Investigation a deformation analysis of the aspo gps monitoring. The global positioning system and inertial navigation by j. However, the high cost of each instrument limits both spatial resolution and access for smallscale users. We offer a wide range of geodetic consulting, gis, and educational services throughout the u.
The general problem of the optimal design for a geodetic network subject to. Geodetic network analysis and optimal design by shanlong kuang, 1996, ann arbor press edition, in english. Firstorder design of geodetic networks using the simulated. Gps networks can be optimized according to the chosen reliability and precision criteria. The main design criteria in a geodetic network are precision, reliability and strength, and economy. In the equations above, qvv is the cofactor matrix of the residuals, p is the weight matrix of the observations, m0 is the standard deviation of unit weight and w0 is the lower bound for non centrality parameter in dependency of the significance level. Structural deformation monitoring and analysis of highway. Optimal design and optimization of a geodetic network is an im. Jul 30, 2010 geodetic network analysis and optimal design by shanlong kuang, 1996, ann arbor press edition, in english. The main subject of the course is clear from the title and consisted mainly of that particular branch of network analysis, which results from applying general. A strategy for optimum designing of the geodetic networks. Optimization and design of geodetic networks by erik w. Strategy for designing geodetic gps networks with high. Basic concepts of optimization and design of geodetic networks.
The role of an optimal design is highlighted in deformation monitoring network due to the repeatability of these networks. Twoepoch optimal design of displacement monitoring networks. The effects of geodetic configuration of the network in. Geodetic network analysis and optimal design open library. In this paper, an application of these algorithms in second order design optimization of the geodetic network for the dam. Lowcost gnss stations, in particular singlefrequency instruments. Using the method of kuang 1991 and 1996, one can obtain optimal. Formulation and solution of optimization problems ch. Optimization and design of geodetic networks using kale.
Noaa geodetic publications and relevant geodetic publications of the former u. The observations of geodetic network were done only one time at the first epoch of monitoring observations december 2011. Generally, the quality of a geodetic network is characterized by precision, reliability, and economy. In each case it is necessary to make a preliminary calculation of the accuracy of deformation benchmarks and control network points location 4. The configuration and position changes of the points. Deformation monitoring networks using finite element strain analysis. The geodetic points are the basis for the mapping of the earths surface and for measurements at sites in connection with various engineering surveys and economic. Multiobjective versus singleobjective models in geodetic network. For the next gnss campaign, it should be designed so that the optimal network configuration is obtained and the cost can be reduced. Since the subject of the analysis is the geodetic network for monitoring the dam, an. Geodetic monitoring of deformation of building surrounding. Generals, network design and softwareaided network design, preanalysis.
In this study 2d network model is focused kuang, 1996. Geodetic network a system of points on the earths surface, the location of each being fixed in relation to the others by means of some unified system of coordinates and altitudes above sea level on the basis of geodetic measurement. Geodetic network analysis and optimal design 1996 edition. With such a design, it took many instruments and spent much money. An optimal design of a geodetic network helps the surveying engineers maximise the efficiency of the network.
The developed methodology can be used for the optimal design of either one, two, or threedimensional monitoring schemes. A geodetic control network also geodetic network, reference network, control point network, or control network is a network, often of triangles, which are measured precisely by techniques of terrestrial surveying or by satellite geodesy a geodetic control network consists of stable, identifiable points with published datum values derived from observations that tie the points together. The main goal of this paper is to suggest a strategy for designing a geodetic network to meet high reliability and geometrical strength criteria. High accuracy engineering surveying applications, overview of deformation surveys, geodetic control networks, terrain laser scanning in engineering surveying. In the design of deformation monitoring network, sensitivity criteria become very. Robustness of a network is affected by the design of the network and accuracy of the observations. Geodetic network optimization for geophysical parameters. Geodetic network optimization for geophysical parameters geoffrey blewitt nevada bureau of mines and geology, and seismological laboratory, university of nevada, reno, nevada abstract. Since the subject of the analysis is the geodetic network for monitoring the dam, an optimality criterion is defined based on the sensitivity. The importance of optimisation techniques in optimal design of displacement monitoring networks leads to the development of a new idea, where all the observations of two epochs are considered in the optimisation procedure. Geodetic network article about geodetic network by the.
Optimisation of lilla edet landslide gps monitoring network. Geodetic network analysis and optimal design trove. Pdf an optimal design of a geodetic network helps the surveying engineers. The role of an optimal design is highlighted in deformation monitoring network due to. Therefore the po ints that lack robu stness in the network may be remedied either by increasing the quality of observations and or by increasing the number of observations in the network. The purpose of an optimal design is to solve for both the network configuration and observations accuracy in order to meet the desired criteria. Both seismological and geodynamic research emphasize that the aegean region, which comprises the hellenic arc, the greek mainland and western turkey is the most seismically active region in western eurasia. Click download or read online button to get geodetic network analysis and optimal design book now. Geodetic network analysis and optimal design by shanlong kuang. Academics in geodetic network analysis and optimal design.
View academics in geodetic network analysis and optimal design. Geodetic network analysis and optimal design download. Geodetic network design for lowcost gnss durham etheses. Optimized zero and first order design of micro geodetic networks. To design and conduct data acquisition using astronomical and satellite navigation. The effect of baseline component correlation on the design.
Pdf on optimisation and design of geodetic networks. While constructing a tunnel geodetic monitoring requires making a geodetic control network, points of which must be fixed securely. The altitudes of points of the geodetic network are determined by methods of leveling. This study concentrates on the solution of designing the most effective gps vector configuration and planning sessions for survey schedules so as to reach. Optimization and design of geodetic networks using kale pache method b. Proper assessment and analysis of networks is an important task in many geodeticsurveying projects.
Determination of the optimum geometric design for a geodetic network is one of the classical design problems in geodesy, known as the. Proper assessment and analysis of networks is an important task in many geodetic surveying projects. Jump to content jump to main navigation jump to main navigation. Then the coordinates of network stations were calculated using least squares adjustment technique. Geodetic network article about geodetic network by the free. The angles were measured on five arcs and the distances were measured 10 times. The proper design of geodetic networks is an integral part of the geodesists task. Global navigation satellite system gnss stations are a cornerstone of modern geodetic surveys, providing high temporalfrequency, subcentimetric threecomponent measurements of surface displacement at fixed locations. A geodetic network can be optimized depending on the reliability objective functions. Find all the books, read about the author, and more. Traditionally, an observation plan is designed for a displacement network and repeated for the second epoch. Geodetic network analysis can be made in terms of 3d model or 2d model plus 1d. The optimization and design of a geodetic control network play an important role in network analysis. The coordinates of the geodetic points of the geodetic network are determined mainly by the method of triangulation or.
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