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专利名称：Automatic control loop monitoring and
diagnostics
发明人：James Gareth Owen申请号：US08/722920申请日：19960923公开号：US05838561A公开日：19981117
摘要：A method of diagnosing a malfunction of a process control system whichincludes at least one closed loop control loop comprising measuring a histogram oftracking error of the control loop, determining distortion of the tracking error relative toa Gaussian distribution, and indicating a malfunction in the process in the event a deviationfrom the Gaussian distribution of the tracking error exceeds predetermined limits.
申请人：PULP AND PAPER RESEARCH INSTITUTE OF CANADA
代理人：E. E. Pascal,R. A. Wilkes
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