In this paper, the effectiveness In this paper, the effectiveness In this paper, the effectiveness In this paper, the effectiveness of the decision maker's risk attitude index for fuzzy cri of the decision maker's risk attitude index for fuzzy cri of the decision maker's risk attitude index for fuzzy cri of the decision maker's risk attitude index for fuzzy cri considered. considered. considered. considered. The fuzzy CPM algorithm waThe fuzzy CPM algorithm wa The fuzzy CPM algorithm wa The fuzzy CPM algorithm wa activities times as well activities times as well activities times as well activities times as well as the total float of project activities as the total float of project activities as the total float of project activities as the total float of project activities problem problem problem problem, the decision maker's risk attitude index ranking method produces unrealistic results when the decision , the decision maker's risk attitude index ranking method produces unrealistic results when the decision , the decision maker's risk attitude index ranking method produces unrealistic results when the decision , the decision maker's risk attitude index ranking method produces unrealistic results when the decision maker maker maker maker' ' ' 's attitude towards risk was neutral. s attitude towards risk was neutral. s attitude towards risk was neutral. s attitude towards risk was neutral. pr pr pr produced realistic results. The study shows that the utility of the ranking technique may be limited by the risk index oduced realistic results. The study shows that the utility of the ranking technique may be limited by the risk index oduced realistic results. The study shows that the utility of the ranking technique may be limited by the risk index oduced realistic results. The study shows that the utility of the ranking technique may be limited by the risk index associated with the problem. Therefore users of the technique for ranking fuzzy numbers have to proceed with associated with the problem. Therefore users of the technique for ranking fuzzy numbers have to proceed with associated with the problem. Therefore users of the technique for ranking fuzzy numbers have to proceed with associated with the problem. Therefore users of the technique for ranking fuzzy numbers have to proceed with caution. caution. caution. caution.

ABSTRACT:In this paper, fuzzy critical path analysis of a project network is carried out. Metric distance ranking technique is used to order fuzzy numbers during the forward and backward pass computations to obtain the earliest start, earliest finish, latest start and latest finish times of the project's activities. A numerical example is presented with a detailed step by step solution. The results of the numerical example presented are in agreement with published results in literature using other fuzzy ranking technique.© JASEM http://dx.doi.org/10.4314/jasem.v18i4.4

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In this paper, a permutation chromosome encoding scheme is proposed for obtaining solution to resource In this paper, a permutation chromosome encoding scheme is proposed for obtaining solution to resource In this paper, a permutation chromosome encoding scheme is proposed for obtaining solution to resource In this paper, a permutation chromosome encoding scheme is proposed for obtaining solution to resource constrained project scheduling problem. The proposed chromosome coding method is applied to Genetic algorithm constrained project scheduling problem. The proposed chromosome coding method is applied to Genetic algorithm constrained project scheduling problem. The proposed chromosome coding method is applied to Genetic algorithm constrained project scheduling problem. The proposed chromosome coding method is applied to Genetic algorithm procedure and implemented through object or procedure and implemented through object or procedure and implemented through object or procedure and implemented through object or with two different stopping criteria. The results obtained are encouraging as they are in agreement with published with two different stopping criteria. The results obtained are encouraging as they are in agreement with published with two different stopping criteria. The results obtained are encouraging as they are in agreement with published with two different stopping criteria. The results obtained are encouraging as they are in agreement with published solutions in literature. The method lends itself easily to programming and solutions in literature. The method lends itself easily to programming and solutions in literature. The method lends itself easily to programming and solutions in literature. The method lends itself easily to programming and scale problems encountered in practice. scale problems encountered in practice. scale problems encountered in practice. scale problems encountered in practice.

in the six variable model was subjected to further analysis. The in the six variable model was subjected to further analysis. The in the six variable model was subjected to further analysis. The in the six variable model was subjected to further analysis. The regression coefficient screening proces regression coefficient screening proces regression coefficient screening proces regression coefficient screening process resulted in a two variable model for predicting oil field output. The s resulted in a two variable model for predicting oil field output. The s resulted in a two variable model for predicting oil field output. The s resulted in a two variable model for predicting oil field output. The resultant model was found to have greater utility in predicting oil field output as it produced less residual. The resultant model was found to have greater utility in predicting oil field output as it produced less residual. The resultant model was found to have greater utility in predicting oil field output as it produced less residual. The resultant model was found to have greater utility in predicting oil field output as it produced less residual. The present model can be of invaluable use to the oil field present model can be of invaluable use to the oil field present model can be of invaluable use to the oil field present model can be of invaluable use to the oil field manager manager manager manager. . . .

In this study, program has been developed in Visual Basic.Net platform for critical path analysis of projects. The critical path forward pass as well as the backward pass has been programmed for any complexity of project network. The program is able to output the earliest start, earliest finish, latest start, latest finish, total float, free float and the independent float of the activities in a project network. The program has been tested on a case study has been found to be very accurate. The results demonstrate that using the computer program will be of invaluable help to students and practitioners in the delivery of Critical Path Analysis.

In this paper, a network based In this paper, a network based In this paper, a network based In this paper, a network based formulation of a permutation flow shop problem is formulation of a permutation flow shop problem is formulation of a permutation flow shop problem is formulation of a permutation flow shop problem is presented. Two