Design and application of an industrial controller

The authors have developed a microcomputer-based multiloop controller, MMC-90, which is, on the one hand, aimed at scientific research work, i.e. the study of the most modern techniques of control and, on the other hand, aimed at solving actual industrial problems. A programming environment has been made, which allows design, simulation and automatic coding of control structures for this controller as well as other programmable microcomputers controllers (computer-aided control engineering method). The MMC-90 controller has already performed two interesting applications. The combustion control in a steam boiler PK-401 in Cinkarna Celje has been realised. Besides numerous other positive effects, 4% fuel has also been saved and ecological conditions have been greatly improved.