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The objective of this work is to develop models for the analysis of consolidated transport processes. With the discrete time queuing models developed for inventory and vehicle consolidation, in particular milkrun systems, a detailed performance evaluation of different design scenarios can be conducted faster than with simulation. Moreover, it is demonstrated how the models can be connected with each other in form of a network analysis, in order to analyze hub-and-spoke networks.
Throughput in manual order picking systems with narrow aisles suffers from congestion as pickers cannot pass each other. Only few models incorporate congestion but they have very strict assumptions. In this work, queueing theory is used to analyze systems with traversal routing as well as different storage policies. The models are able to estimate throughput for many alternative designs in a relatively short amount of time. New guidelines for narrow--aisle order picking systems are introduced.
In this doctoral thesis, performance parameters of multi-server queueing systems are estimated under general stochastic assumptions. We present an exact calculation method for the discrete time distribution of the number of customers in the queueing system at the arrival moment of an arbitrary customer. The waiting time distribution and the sojourn time distribution are estimated exactly, as well. For the calculation of the inter departure time distribution, we present an approximation method.
Kanban is a representative control policy pursuing cost-efficient features for the material flow system. However, the Kanban mechanism increases the system vulnerability especially when the environment is uncertain. Therefore, we proposed a robust Kanban system model for the supply chain system based on the Kanban mechanism. The model can use robust approaches from strategic, tactical, and operational levels to deal with the risks in an uncertain environment.
The dynamic and fast-expanding business events sector plays a vital role in the professional lives of hundreds of millions of people worldwide by providing settings in which they can meet for the purposes of negotiation, deliberation, motivation, the dissemination of knowledge, and the celebration of their greatest career-related achievements. This book provides a sound practical and theoretical context for the study of this subject by covering, in depth, all categories of business-related events including corporate meetings, association conferences, political events, incentive travel, exhibitions, corporate hospitality, awards ceremonies and SMERF (social, military, educational, religious a...
Türkiye'de 2012'den 2019'a kadar gerçekleştirilen kayda değer tüm reklam kampanyalarının bilgi ve künyelerini bulabileceğiz derli toplu bir çalışma.
In the Wake of a Local Government Initiative: Küçükçekmece: AYAZMA-TEPEÜSTÜ Urban Regeneration Project is the first and so far only publication to elaborate on all the stages of one of the many "Urban Regeneration" projects being implemented in Turkey, especially in recent years. In this publication the authors detail the operation and management processes of the municipality where the initiative is taking place, in addition to the actors involved and the duties they have taken over. The book not only examines the "Küçükcekmece Ayazma-Tepeüstü Urban Regeneration" project, but it also gives a clear account of the positive and negative aspects of the process.To date, especially in t...