REALIZATION OF RELATIONAL INTERROGATORIES DEVICES FOR MONITORING IN FPGA BASIS

The devices of functional control and diagnostics of electronic systems for critical applications are subject to strict requirements for performance and hardware compatibility with the object of control. The ability to process diagnostic information in real time have relational monitoring devices, whose work is based on the execution of operations of ordinal logic. To date, the structures of several types of ordinal-logical relational devices for monitoring polling have been developed, but there are no examples of practical implementation of such devices using modern element base. In paper the modeling and testing of a relational device for registration of a single element in a binary vector with a controlled search priority is performed on the basis of Xilinx FPGA. The results of realization by FPGA and testing of a relational device for determining the value and address of an extreme element in a data array with a controlled search priority are also presented. The software package CAD FPGA Xilinx ISE is used to develop and simulate the operation of relational monitoring devices for polling discrete signals. Realization of models of relational functional elements in FPGA bases shows the possibility of manufacturing the device of functional control and diagnostics in the form of a system on chip, which allows to provide its software, information, circuit and interface compatibility with modern electronic systems, as well as operational reconfiguration of its internal structure in the process of functioning.

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