Assembly sequence planning (ASP) aims to find an optimal sequence to assemble a product. We propose here to use the ordering genetic algorithms (OGA) to solve this problem. The approach is based on three main ideas. Firstly, the identification of the subassemblies in the sequence is done by keeping trace of the components membership to a set of parts all along the sequence. Secondly, precedence...

Problems with water infrastructure are characterized by strong pressures of various stakeholders, besides to have heavy environmental and financial restrictions. This paper presents a group decisionmaking model for improvement of water infrastructure specially regarding with the reduction of water losses, by the integration of soft and hard approaches of Operational Research. Firstly, the soft ...

in this paper we classify fuzzy subgroups of the dihedral group $d_{pqrs}$  for distinct primes  $p$, $q$, $r$ and $s$. this follows similar work we have done on distinct fuzzy subgroups of some dihedral groups.we present formulae for the number of (i) distinct maximal chains of subgroups, (ii) distinct fuzzy subgroups and (iii) non-isomorphic classes of fuzzy subgroups under our chosen equival...

In this paper, we give definitions of compatible mappings of type(I) and (II) in intuitionistic fuzzy metric space and obtain common fixed point theorem and example under the conditions of compatible mappings of type(I) and (II) in complete intuitionistic fuzzy metric space. Our research generalize, extend and improve the results given by many authors. : Common fixed point theorem, compatible m...

This paper presents a comparison of the three fuzzy based image segmentation methods namely Fuzzy C-Means (FCM), TYPE-II Fuzzy C-Means (T2FCM), and Intuitionistic Fuzzy C-Means (IFCM) for digital images with varied levels of noise. Apart from qualitative performance, the paper also presents quantitative analysis of these three algorithms using four validity functions-Partition coefficient (Vpc)...

This paper presents a new approach based on Multi-Criteria Decision Analysis (MCDA), named PROMETHEE-SAPEVO-M1, through its implementation and feasibility related to the decision-making process regarding evaluation of helicopters attack Brazilian Navy. The proposed methodology aims present an integration ordinal into cardinal procedure from PROMETHEE method, enabling perform qualitative quantit...

The permeation of new technologies combined with the high cost for running a shop force enterprises to search for new sales methods. Network applications and ICT (Information and Communication Technology) can help achieve e-commerce goals. In Greece, many enterprises in the agro-food and drink sector already have an internet presence. This paper studies the adoption of e-commerce in websites th...

Striving in volatile and competitive business environment, companies have to reveal the ideal path to survive and provide sustainable success, which can be validated using objective and subjective criteria. In order to fulfil stakeholders’ demands, many companies use different types of non financial indicators, characterising them as subjective ones. Authors lately argue about the usage of subj...