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MULTI-VARIABLE PROCESSES
专利权人:
CURVACEOUS SOFTWARE LIMITED
发明人:
BROOKS, ROBIN WILLIAM,WILSON, JOHN GAVIN
申请号:
CA20002392380
公开号:
CA2392380(C)
申请日:
2000.11.27
申请国别(地区):
加拿大
年份:
2011
代理人:
摘要:
Control and output-quality variables of a process plant (1) are plotted against parallel axes in a display unit (7). Convex hulls between pairs of variables are calculated from sets of the variable-values accumulated historically in stores (7, 9) during successive runs of the process, and hulls (H; TC, BC) between successive axis-pairs are displayed. New variable-values for process optimisation are fixed for the variables taken in turn, each selection being made within displayed ranges (Rn-Rn) derived from the hulls effective between the respective variable and the variables already fixed. A display unit (13) provides on-line parallel-axis display of variable-values from the plant (1) showing alarm carets (DC, UC) where values violate limits (UL, LL) determined by the convex hulls, and allowing variation in the displayed-value for observing the resultant effect in avoiding alarm situation and towards optimisation.
来源网站:
中国工程科技知识中心
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http://www.ckcest.cn/home/

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