SVIBOR - Project code: 2-12-150

MINISTRY OF SCIENCE AND TECHNOLOGY

Strossmayerov trg 4, HR - 10000 ZAGREB
tel.: +385 1 459 44 44, fax: +385 1 459 44 69
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Project code: 2-12-150


RESEARCHES OF MEASURING TECHNIQUE, AUTOMATION AND METHOD OF MEASUREMENT


Main researcher: SOLARIĆ, NIKOLA (44023)


Assistants
Type of research: applied
Duration from: 01/01/91. to 12/31/94.
Papers on project (total): 66
Papers on project quoted in Current Contents: 3
Institution name: Geodetski fakultet, Zagreb (7)
Department/Institute: Department of Astronomy
Address: Geodetski fakultet Sveučilišta u Zagrebu, Kačićeva 26
City: 10000 - Zagreb, Croatia
Communication
Phone: 385 (0)1 4561222/243
Fax: 385 (0)41 445410
Summary: Four original automatic methods of measuring in the geodetic astronomy have been developed and their accuracy tested. There were 5 works published abroad (2 USA, 2 in intern. jour. in Beglium, 1 in Germany and 7 works in Croatia). It has been researched how to find optimal methods of measur. the deformation movements of construction objects, with a special emphasis on the temperature influence onto the value of the vertical movement. There was one dissertation made and 8 works published in this respect. The literature has been studied about the influence of the atmosphere onto the geodetic measurements and the compensator errors have been tested. There were 5 works published there about. The accuracy of the measruing with geode. instruments has been tested depending on the position of the eyepiece, then the accuracy of digital measuring devices for measurements on plans, as well as the accuracy of the cadastral plans. One work has been published in Germany and 9 works in Croatia. The procedure of municipal information system has been worked out to be used for the purposes of municipal infrastru -cture. Two works have been published. There were also two works published about the erected calibration base for examining and calibration of electrooptical distance meters in Croatia which will enable the achievement of one mutual measure for measuring large distances up to 6000m. Two geodetic methods have been automated and found its application in mechanical engineering, in precise determination of elevation differences and in control of long axis with Kern E2 and HP41CXC. Their accuracy has been tested, but the work has never been prepared for printing. Alltogether 1 disertation 6 works have been published in journals abroad and 49 in homeland journals and proc.

Keywords: automation in geodesy, measuring technique, geodetic measuring technique, deformations, doformation analyses, mathematical modelling, municipal information system

Research goals: The goal of the project is to automate and modernize (in accordance with the current level of technology in the world) a series of geodetic methods applied in the geodetic praxis, as well as in construction operations and machinery. In addition, the accuracy and practicality of new automated methods, developed in our country, as well as abroad, is going to be tested. The accuracy and practical side of these measurement will be analysed, so it could be estimated for which purposes these methods can be applied. It is expected that our geodetic praxis will thus become highly modernized. In the work on this narrower scientific discipline, the younger scientists are going to be educated as well. The goal of the research made on optical telescopes nad compensators is to achieve detailed knowledge about the complex factors influencing the accuracy of measurements, as well as to find out objective tests for the evaluation of the optical systems quality. It is expected that on the basis of these researches it will be possible to achieve higher accuracy of measurements and more appropriate selection of equipment to be used for corresponding purposes. The goal of the part of the project belonging to the scientific discipline of engineering geodesy is to research the periodical movements of construction objects with a special emphasis on the temperature influences. Apart from studying the behaviour of construction objects during their exploitation, the contribution is expected also in the field of renovating and improving the geodetic methods and procedures in the phase of projecting and erecting buildings. On this job belonging to a narrower scientific disipline a dissertation is going to be made.
Other information about the project.
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