A self-diagnosis and self-recovery method for an intelligent substation system
A smart substation and self-recovery technology, applied in information technology support systems, response error generation, instruments, etc., can solve the problems of no historical data in reports, real-time alarm information cannot be uploaded, real-time data of online monitoring screens are not refreshed, etc.
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[0020] The present invention will be further introduced below in conjunction with the accompanying drawings and specific embodiments.
[0021] For the analysis of the abnormal scene of the core process of the monitoring server, it is summarized into five types: memory leak, abnormal exit (coredump), thread deadlock, thread infinite loop and others. The results caused by abnormality are: the real-time data of the online monitoring screen is not refreshed, the generated alarm cannot be sent to the operator station, the control command cannot be issued, the historical data cannot be found in the report, and the historical alarm information cannot be queried. For the infinite loop, process deadlock or thread deadlock generated by the application process, the data will not be refreshed and the command cannot be issued in the system. By grabbing the execution stack of a thread, combined with the CPU rate of the thread, and combining the design source code corresponding to the stack,...
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