The master’s thesis is devoted to solving a relevant applied scientific and engineering problem of developing an automated device for measuring the void volume of a tank, intended for monitoring the liquid level and volume in reservoirs of various purposes. The work substantiates the feasibility of using automated information and measurement systems to improve the accuracy, reliability, and efficiency of determining volumetric parameters of liquids under industrial, technological, and operational conditions. The main focus of the thesis is placed on the analysis of existing methods for liquid level and volume measurement, justification of the selection of the float-based measurement method, and the development of a structural and functional architecture of the automated measuring device. A hardware–software implementation of the measuring system is proposed, which includes a level sensor, a microcontroller-based data processing unit, and means for indication and transmission of measurement results. The influence of external factors, such as temperature variations and physical properties of the liquid, on measurement accuracy is also taken into account.
Relevance of the topic: is determined by the widespread use of tanks and reservoirs in industry, energy, transport, and utilities, as well as by the increasing requirements for accurate accounting of liquids and control of residual volume. The application of automated measuring devices makes it possible to reduce the errors of manual measurements, ensure continuous monitoring, and increase the efficiency and safety of technological systems operation.
Aim of the work: is to solve a relevant scientific and technical problem of developing an automated device for measuring the void volume of a tank based on a float-type measurement method with microcontroller-based data processing.
Tasks:
1. To perform an analytical review of modern methods and instruments for measuring liquid level and volume in tanks.
2. To justify the selection of the float-based measurement method for the automated measuring device.
3. To develop structural and functional diagrams of the automated void volume measuring system.
4. To design the operating algorithm and microcontroller software of the measuring device.
5. To evaluate the metrological characteristics of the device and the influence of external factors on measurement results.
6. To provide recommendations for practical application and further improvement of the developed system.
The object of research: is the process of measuring the liquid level and volume in tanks and reservoirs.
The subject of research: is an automated device for measuring the void volume of a tank based on the float measurement method.
Scientific novelty: lies in improving the approach to automated determination of the tank void volume by combining a float level sensor with a microcontroller-based processing system and temperature compensation, which increases the accuracy and stability of measurements.
Practical significance: of the work consists in the development of an automated measuring device that can be used for liquid volume control in tanks of various purposes, as well as for educational and research applications. The obtained results can be applied in the design of similar information and measurement systems and instruments.
Research advisor: S.Nechai