Optimal design of drilling fluid formula based on CBR

Zhang, Minglu; Li, Jian; Wang, Bing; Liang, DaChuan

doi:10.1109/fskd.2011.6019528

Cited by 1 publication

(2 citation statements)

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“…a) The improved matching algorithm of range similarity Suppose is the case to be solved, 1 2 , , , n x x x , 1 2 , , , n y y y are all the certain ranges, the weight of characteristic i is i w , (0,1) i w ∈ and 1 1…”

Section: Related Technologies Of Optimal Design Of Drilling Fluid For...mentioning

confidence: 99%

“…Case-Based Reasoning is a method of solving similar problems, its basic principle is: put large numbers of existing, mature cases into case base, by means of certain organization, when the user inputs the request and characteristics of the problem to be solved, the system first search the case base, find similar case ,if the case can meet the description of the problem, then output the corresponding results, otherwise, according to the description of the problem, conduct a necessary modification, combination and processing into retrieved cases of high similarity, then get a result fully meet the description of the problem, put the result as a new case and store it into case base for future use, thus continuously extend the case base [1].…”

Section: Introductionmentioning

confidence: 99%

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The Research of Case Matching Algorithm in Drilling Fluid Design Expert System

Xiao

2013

AMM

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In the case-based reasoning in drilling fluid design expert system, it selects the corresponding representation method of attributes and matching algorithm according to the characteristics of drilling fluid system and the formulation. The representation methods of attributes in this article include digital, string and range these three methods, therefore, the corresponding matching algorithms also have nearest-neighbor, string matching and range matching these three algorithms. On this basis, and combined with the single parent genetic algorithm to optimize the initial weights combination, we can get the most optimal and realistic drilling fluid system and formula. This design method can greatly improve the efficiency and accuracy of the drilling fluid formula design.

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Section: Related Technologies Of Optimal Design Of Drilling Fluid For...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%