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- W2015315966 abstract "Abstract Outokumpu has developed expert systems to aid process operators in the task of making better control decisions. The objective of the software is to enhance economic recoveries and to standardize operating procedures for each shift. In optimization Outokumpu has used expert systems using the experience of engineers and operators to design automatic control actions. An expert system is also used to help maintenance personnel in trouble shooting of on-stream analyzers. When using a modern automation system for process control, the process operators are still working on the highest level of the control hierarchy and all responsibility is in their hands when controlling the process, e.g. changing setpoints of the control loops. The control system continuously supplies the operator with new data. Selecting the important information from the often large amount of data is not easy. For instance, choosing the best ratio between the concentrate and tailing grades in a mineral dressing plant is not possible without economic calculations of the flotation results [Process control of NiCu-concentrator at the Kotalahti Mine, K. Pulkkinen, S. Rantanen and L. Karhu, Outokumpu Electronics Publication, Espoo, 1984]. Separate ore types have different characteristics and therefore a ratio that is good today may not be good tomorrow. Outokumpu has been using expert systems for both on-line process optimization and for aiding process operators to solve the difficult task of selecting the best control actions. There are several benefits of expert systems for operators. The operators are given the most suitable control actions to achieve specific targets which are shown by the software package. Also, the success ratios of control actions are shown so that the operating procedures are standardized. One of the most important tasks of the system is to systematically collect operating experience. Another task is to show the experience collected by the system and the experience of the human factor (engineers etc)." @default.
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- W2015315966 modified "2023-09-26" @default.
- W2015315966 title "User's experience of Outokumpu expert system at Outokumpu plants" @default.
- W2015315966 doi "https://doi.org/10.1016/0032-5910(92)85008-j" @default.
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