نتایج جستجو برای: fuzzy travel time

تعداد نتایج: 1996255  

Journal: :journal of industrial engineering, international 2010
s.s hashemin

in this paper a network comprising alternative branching nodes with probabilistic outcomes is considered. in other words, network nodes are probabilistic with exclusive-or receiver and exclusive-or emitter. first, an analytical approach is proposed to simplify the structure of network. then, it is assumed that the duration of activities is positive trapezoidal fuzzy number (tfn). this paper com...

The present study seeks to examine the factors affecting information search of heads of households in purchasing an outbound package tour. A sample of 60 academics and non-academics in the field of tourism was chosen. Sampling methods were judgmental and snowball sampling. In order to gather data, we used a semi-structured interview.  Thematic analysis was applied for data analysis, and the col...

Journal: :international journal of industrial engineering and productional research- 0
mehdi mahnam department of industrial engineering, amirkabir university of technology, 424 hafez avenue, tehran, iran seyyed mohammad taghi fatemi ghomi professor of industrial engineering, amirkabir university of technology, 424 hafez avenue, tehran, iran

fuzzy time series have been developed during the last decade to improve the forecast accuracy. many algorithms have been applied in this approach of forecasting such as high order time invariant fuzzy time series. in this paper, we present a hybrid algorithm to deal with the forecasting problem based on time variant fuzzy time series and particle swarm optimization algorithm, as a highly effici...

A capacitated location-routing problem (CLRP) is one of the new areas of research in distribution management. It consists of two problems; locating of facilities and routing of the vehicle with a specific capacity. The purpose of the CLRP is to open a set of stores, allocate customers to established deposits, and then design vehicle tours in order to minimize the total cost. In this paper, a ne...

2010
E. Hossny S. AbdElrahman A. Badr

Fuzzy Petri Net for Web Service Composition (FPN4WSC) aims to compose the individual web services into more complex one. It is a workflow model which is hybridization between Petri net, SHOP2, and fuzzy logic. Petri net allows user to specify his request as a workflow. SHOP2 is used as an Artificial Intelligence (AI) planning system to get a plan for the user request. However, SHOP2 fails to ca...

Journal: :IEEE Trans. Instrumentation and Measurement 2001
Kim M. Moulton Aurel Cornell Emil M. Petriu

This paper describes a fuzzy error correction control system used to navigate a robot along an easily modifiable path in a well-structured environment. An array of Hall sensors mounted on the bottom of a robot gathers sensory information from a path of ferromagnetic disks placed on the ground. This sensory input is processed by an analog-to-digital converter and the output signals are then inpu...

Journal: :Pure and Applied Geophysics 2021

The regional seismic travel time (RSTT) model and software were developed to improve travel-time prediction accuracy by accounting for three-dimensional crust upper mantle structure. Travel-time uncertainty estimates are used in the process of associating phases events accurately calculate location bounds (i.e. event error ellipses). We on current distance-dependent parameterization RSTT using ...

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