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The article deals with the creation of an algorithm for detecting internal defects of cylindrical products made of composite materials. When radially-translational scanning of a product, the size of the defect is determined as the difference between the beginning and end of the change in the signal level of an ultrasonic or microwave flaw detector. Signals for each coordinate are accumulated in independent stacks with information processing on the microcontroller. The main functional part of the information and measurement system contains an analog-to-digital Converter, a microcontroller and memory in the form of two stacks of the first kind and a control machine. Control and diagnostics are performed on the basis of a new type of control automata, the complexity of which, when implemented on programmable logic matrices, is reduced by 1.5-3 times compared to the Moore and Mili control automata.

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