Abstract
The research addresses the issues of collection and transmission of measurement data when monitoring various construction objects and bridge structures. The issues were resolved by developing a distributed system using Wi-Fi technologies. The results of measurements of the following parameters and data were obtained: the distance between cracks and joints, magnetometer readings and location and possible inclination of objects in three axes according to accelerometer and gyroscope data. By configuring the server, new channels are created for receiving data, which allow their subsequent processing and complete analysis of the study, for example, to solve the problem of predicting the technical conditions of construction and bridge objects. The completeness of the analysis of the study solves the problem of identifying and detecting possible errors and determining delays in the communication system. In general, the validity of all research results plays an important role in predicting the technical conditions of various objects and in finding solutions to problems arising from the technical difficulties of remote control. In this regard, the issue of the validity of the choice of Wi-Fi modules, which take into account the parameters of power consumption and availability of the boards of these modules for programming in order to obtain results of measurements in a long time has been posed and resolved. Setting power consumption parameters made it possible to increase the research time at remote sites, which in turn increases the durability and life of the control system. The simplicity of programming the module boards and support of various electronic sensors allow varying the scope and research objects, thereby expanding the geography of the subject area of research. Therefore, the developed distributed system is easily adapted to the necessary problem areas of research, the monitoring results of which can be used in many areas, such as agriculture, ecology, power, health care, meteorology and others
Highlights
Improvement of autonomous systems for technical diagnostics of load-bearing structures of construction objects or bridge structures is associated with the need to use new measuring sensors and wireless information transmission devices
To solve problems in these research objects, it is necessary to configure a communication channel using a distributed system and measure the corresponding sensor readings. These include the distance between cracks and joints, magnetometer readings, the location and possible inclination of objects in three axes according to the accelerometer and gyroscope data
The server will not have time to receive results every second due to the specifics of configuration. This minimum time does not affect the overall quality and system’s performance. This is because the measurement of distances between cracks and joints, magnetometer readings, location and possible inclination of objects in three axes according to the accelerometer and gyroscope data is periodic and does not require updating the results every second
Summary
Improvement of autonomous systems for technical diagnostics of load-bearing structures of construction objects or bridge structures is associated with the need to use new measuring sensors and wireless information transmission devices. These sensors and devices must have increased accuracy, noise immunity and ultra-low power consumption. A process takes place in which the measured physical quantities are first converted into electrical signals, and for further processing, analysis and storage they are converted into digital codes through an analog-to-digital converter In this regard, the distributed system can be considered as a system that can collect information, and allows processing and additional actions with the received data. This provides low power consumption, increases the service life of the device and improves the accuracy, information content and quality of forecasting the state of structures and buildings
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