Marko Živec (2016) Automatic control of paint spray booth with integrated dryer. EngD thesis.
Abstract
The thesis presents a solution for automatic control of a paint spray booth with integrated dryer. The conditions in the booth must be as constant as possible to assure better quality of surface coating applied on a particular object, while also lowering the consumption of energy sources and improving the working environment. The thesis includes descriptions of physical elements used for control and regulation, the software solution, which includes algorithms for the regulation of the temperature, overpressure in the booth and airflow, as well as the user interface. Also included is the description of on-off and PID closed-loop control systems, which were implemented and compared. The control program is written in C# and runs on a PC. A touch screen display is used as the user input output device. While the on-off regulation proved to be unstable in the given system, the PID regulator was very reliable during the testing period with satisfactory results.
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