Article

Article title DEFINING DANGEROUS CHANGES TO THE RAPIDLY PHYSICAL QUANTITY IN REAL TIME
Authors S.I. Klevtsov
Section SECTION I. METHODS, ALGORITHMS AND DEVICES, SIGNAL PROCESSING
Month, Year 03, 2016 @en
Index UDC 681.3.01
DOI
Abstract A model and a generalized warning algorithm Inappropriate variation of the parameter of a technical object. The parameter is considered as a rapidly varying physical quantity. The algorithm is based on processing diagrams generated in real time. Figure formed a local array of time series points, consisting of the values of the physical quantity. Each point on the graph formed by the current and the following parameter values. An array of cut predetermined fixed time window in the process of moving from a time series consisting of the physical quantity values. To remove the parameter values used for monitoring the system"s sensor. For each chart is determined by the standard deviation of the points from the center point of the chart of the masses. Formed dependence of the standard deviation points from time to time. Process etsya done in real time. Determine critical level changes srednekvadratical deviation that characterizes the border-allowable change of signal level over a specified period of time. Intermediate dangerous levels is also determined at which state Ob-project is considered to be extraordinary. In the real-time calculated value of the standard deviation compared with the values of hazardous levels. Depending on the result of the comparison circuit is implemented previously defined prevent dangerous situation. Determination of Hazardous parameter changes is performed using a modified Hamming neural network. Hamming neural network implements a simple algorithm works, a simple learning algorithm. Its capacity is independent of the dimension of the signal on the WMO de. On the network input binary input signals are supplied that can be used effectively in the implementation of the algorithm in the microcontroller. Information processing and control of hazardous changes made in real time by a microprocessor unit located on the lower level technical object monitoring system. Determination of opportunities for the emergence of an emergency at an early stage of its development model provides real-time. The algorithm is characterized by ease of implementation, low resource consumption, it can be used for processing signals with a high noise level.

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Keywords Time series; change in the parameter; model; algorithm; neural network; microprocessor module; real time.
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