METHOD FOR AUTOMATIC DETECTION OF FAILURE IN CROSS-COUNTRY GAS PIPELINE

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to remote control u0441u043eu0441u0442u043eu00a0u043du0438u00a0 trunk gas pipeline. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - to improve the reliability u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 accident.u0434u043bu00a0 u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 u043du0430u043bu0438u0447u0438u00a0 accident at the station of trunk gas pipeline u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 control for each site with the help of sensors u0434u0430u0432u043bu0435u043du0438u00a0, of which the first is u0447u0430u0441u0442u043au0435 u0438u0437u043cu0435u0440u00a0u044eu0442 further the u0432u0445u043eu0434u043du043eu0438u0437u043eu0431u0440u0435u0442u0435u043du0438u0435 u043eu0442u043du043eu0441u0438u0442u0441u00a0 to remote control u0441u043eu0441u0442u043eu00a0u043du0438u00a0 trunk gas pipeline. to increase the reliability of the u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 u00a0u0432u043bu00a0u0435u0442u0441u00a0 u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 accident.in the figure are the flowchart, u0440u0435u0430u043bu0438u0437u0443u044eu0449u0430u00a0 way. the scheme shows the blocks 1. 2 u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u043du0438u00a0 pressures, block 3, block 4 u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u043du0438u00a0 costs; u0437u0430u043fu043eu043cu0438u043du0430u043du0438u00a0 u0438u0437u043cu0435u043du0435u043du0438u00a0 input signal into time blocks 5 u0430u043bu0433u0435u0431u0440u0430u0438u0447u0435u0441u043au043eu0433u043e u0441u0443u043cu043cu0438u0440u043eu0432u0430u043du0438u00a0 and go on current flow through the sensor, and yu subsequent - controlled nodes selection.the signals used u0434u043bu00a0 u043au043eu043du0442u0440u043eu043bu00a0 first station is so as to satisfy the following equation: pa (s) - Wag (s) ga (s) - Wbp (s) pb (s) 0.where s is the u043au043eu043cu043fu043bu0435u043au0441u043du0430u00a0 u043fu0435u0440u0435u043cu0435u043du043du0430u00a0 u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u043du0438u00a0 u043bu0430u043fu043bu0430u0441u0441u0430; ra (5) and pb (s) - pressure in the front and back points the first station; ga = u0432u0445u043eu0434u00a0u0449u0435u0433u043e gas flow; Wag (s) and Wbp ( s) transfer function of the first station, and u0434u043bu00a0 second and subsequent stations, signals u043fu0440u0435u043eu0431u0440u0430u0437u0443u044eu0442u0441u00a0 so as to satisfy the following equation, wap (s) pa (s) - pb (s) + Wcp ( s) Pc (s) - Wbg (s) x xGfo (sh), where pa (s)pb (s) and (s) - Pc pressure in three consecutive points of the pipeline gas flow; gb is selected in the cl - flax.Wap (s), Wcp (s). Wbg (s) transfer functions of the respective stations. algebraic summation u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 through u0441u0443u043cu043cu0430u0442u043eu0440u0430 and largest u043eu0442u043au043bu043eu043du0435u043du0438u00a0 amount from zero u0437u043du0430u0447u0435u043du0438u00a0 u0441u0443u0434u00a0u0442 no accident on the pipeline. 1 il.u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 u043du0430u043bu0438u0447u0438u00a0 accident at the station, the trunk pipeline controlled by nodes a, b, c. between nodes u043du0430u0445u043eu0434u00a0u0442u0441u00a0 controlled areas; ab, a, and so on.in the controlled vehicle sensors 6 u0434u0430u0432u043bu0435u043du0438u00a0 sensor 7, forms the signal corresponding to the amount of flow in the pipeline flow u0432u0445u043eu0434u00a0u0449u0435u0433u043e ha for flow sensors 8, a signal corresponding to the amount of the gas flow in the u043eu0442u0432u043eu0434u0430u0445. the device, developed a way u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u0435u0442 control for each site, u043eu0433u0451 VJ of eat of xi