نتایج جستجو برای: عملگر owa
تعداد نتایج: 3080 فیلتر نتایج به سال:
استفاده از نیروگاه های بادی به عنوان یکی از مهم ترین روش های تولید انرژی برق با استفاده از انرژی های تجدید پذیر قلمداد می شود. اثرات مخرب زیست محیطی کم نسبت به سایر روشها و قابلیت بهره برداری در سطح گسترده از جمله مزایای استفاده از انرژی باد در تولد برق است. در همین راستا مطالعه پتانسیلهای مربوطه و یافتن مکان های مناسب به منظور استقرار تجهیزات بهره برداری از انرژی باد امری ضروری است. تلفیق سی...
The determination of ordered weighted averaging (OWA) operator weights is a very important issue of applying the OWA operator for decision making. One of the first approaches, suggested by O’Hagan, determines a special class of OWA operators having maximal entropy of the OWA weights for a given level of orness; algorithmically it is based on the solution of a constrained optimization problem. I...
This paper aims to establish the relationship between two apparent disparate problems: (i) the aggregation of uncertain information modelled by type-1 fuzzy sets via OWA mechanism, and (ii) the computation of the centroid of type-2 fuzzy sets. In order to cut down the computational complexity of the direct approach to performing type-1 OWA operation, the α-level approach to type-1 OWA operators...
Axiomatic generalizations of OWA operators are introduces and discussed. First, OMA operators based on comonotone modularity are recalled. Then, several kinds of comonotone pseudoadditivity based OWA generalizations are characterized and exemplified. Some of already known OWA generalizations are thus seen from new points of view. In several cases an integral representation of generalized OWA op...
Ordered weighted averaging (OWA) operators have been widely used in decision making these past few years. An important issue facing the OWA operators’ users is the determination of the OWA weights. This paper introduces an OWA determination method based on truncated distributions that enables intuitive generation of OWA weights according to a certain level of risk and trade-off. These two dimen...
با توجه به اهمیت کاهش سطح آبهای زیرزمینی در مناطق با اقلیم خشک، ارائه روشهای مناسب جهت تعیین مناطق مناسب برای تغذیه آبهای زیرزمینی از اهمیت بالایی برخوردار است. از این رو، هدف این تحقیق، استفاده از عملگر تصمیمگیری چندشاخصه میانگین وزن دار مرتب (OWA) و روش فازی سازی لایهها برای تولید نقشههای نواحی مناسب جهت تغذیه آب زیرزمینی برای محدوده سلفچگان واقع در استان قم بود. در این راستا از لایه ...
In this work we deal with the problem of using OWA operators in color image reduction algorithms. For this reason, we study OWA operators defined on an arbitrary finite lattice endowed with a t-norm and a t-conorm. In the case of RGB color images, we apply OWA operators defined on a finite product lattice. Depending on the OWA operator considered, we see that the reduced images become brighter ...
Yagers ordered weighted averaging (OWA) operator has been widely used in soft decision making to aggregate experts individual opinions or preferences for achieving an overall decision. The traditional Yagers OWA operator focuses exclusively on the aggregation of crisp numbers. However, human experts usually tend to express their opinions or preferences in a very natural way via linguistic te...
Most preferred ordered weighted average (MP-OWA) operator is a new kind of neat (dynamic weight) OWA operator in the aggregation operator families. It considers the preferences of all alternatives across the criteria and provides unique aggregation characteristics in decision making. In this paper, we propose the parametric form of the MP-OWA operator to deal with the uncertainty preference inf...
The OWA operator proposed by Yager has been widely used to aggregate experts’ opinions or preferences in human decision making. Yager’s traditional OWA operator focuses exclusively on the aggregation of crisp numbers. However, experts usually tend to express their opinions or preferences in a very natural way via linguistic terms. These linguistic terms can be modelled or expressed by (type-1) ...
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