Technical and biological systems control and diagnostic based on group method of data handling

The paper is devoted to control of technical systems and diagnostic of biological systems. Control task is considered on an example of detection of communication interruption between land-based commandmeasuring station and tracking headquarters. Diagnostic task is considered on an example of analysis of human urolithic illness severity degree and reduced to recognition task based on precedents of learning sample. Control and diagnostic problems are solved by Group Method of Data Handling.