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Method and apparatus for negating effects of continuous introduction of risk factors in determining the health of a process control system
Method and apparatus for negating effects of continuous introduction of risk factors in determining the health of a process control system
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机译:用于在确定过程控制系统的运行状况时消除连续引入风险因素的影响的方法和设备
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摘要
Negating effects of continuous introduction of risk in scoring the health of a process control system includes automatically and periodically assessing a risk for each of the process control systems, calibrating the center of a health score scale to the average risk assessments, and scoring the health of each process control system within the health score scale according to a nonlinear scale applied to the risk assessment. Introduction of a risk factor to a process control system increases the risk assessment, and elimination of a risk factor decreases the risk assessment. The same risk factor introduced to each of the of process control systems does not affect the health score of any process control system, and elimination of a risk factor has more of an effect on the health score towards the center of the health score scale than towards upper and lower limits of the health score scale.
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