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New tabu search heuristics for the vehicle routing problem with trailers, multiple depots and planning periods

Scheuerer, Stephan - 2004

diese Problemstellung zwei neue Konstruktionsheuristiken sowie eine Tabusuche-Heuristik zur weiteren Lösungsverbesserung …. Für jedes dieser Probleme wurde ebenfalls eine Tabusuche-Heuristik entwickelt und auf existierenden und neuen … heuristics for this problem and to present a tabu search heuristic for further improvement. Computational results indicate that …

Persistent link: https://www.econbiz.de/10009450177

Sequencing and scheduling in flowshops with task redistribution

Burdett, Robert L.; Kozan, Erhan - 2001

In some manufacturing situations, station tasks or operations can be shifted or redistributed to adjacent stations when adjacent stations have the appropriate equipment and the workers on that station can perform the shifted work to a reasonable level of competency. This paper addresses such an...

Persistent link: https://www.econbiz.de/10009437714

Nonlinear dynamics in the Beer Distribution Game -- A high-throughput computing analysis

Patterson, Nathan J - 2009

Since the early 1960s, the Beer Distribution Game (BDG) has been used to characterize the various instabilities that arise in multi-stage supply chains. Although an appreciable body of research exists for the BDG and its inherent nonlinear instabilities, there are three apparent technical voids...

Persistent link: https://www.econbiz.de/10009430292

Coordination in maintenance outsourcing

Tarakci, Hakan - 2004

In the first part of this thesis, we consider a manufacturer who has a process with an increasing failure rate over time. In order to improve the performance of the process, the following two types of maintenance activities are outsourced to an external contractor: (a) Preventive maintenance...

Persistent link: https://www.econbiz.de/10009430296

New product portfolio management under uncertainty

Zapata, Juan Camilo - 2008

In most organizations the decision making processes associated with the development of new products are broken down into three hierarchical levels: strategic, tactical and operational; that use data and decision support tools individually tailored. In each level, only the part of the process...

Persistent link: https://www.econbiz.de/10009430349

A cost reduction framework for product quality improvement in warranty management

Ren, Kun - 2006

In recent decades, warranties have become more important in deciding the overall product quality. In this thesis, we use warranty as the planning tool to improve product quality during the customer phase. We develop an analytical framework that consists of systematic planning methods to reduce...

Persistent link: https://www.econbiz.de/10009430367

On the cost structure, efficiency and productivity of mass transit systems

Karlaftis, Matthew Georgios - 1996

The purpose of the present study was to investigate the cost and production structure of mass transit systems using both panel and time series data. Accepting cost minimization (subject to a set of constraints that reflect demand, regulatory, and urban setting conditions) as the economic...

Persistent link: https://www.econbiz.de/10009430377

Optimal/near-optimal static and dynamic distribution policies for an integrated logistics system

Kumar, Ashok - 1990

This dissertation develops optimal/near-optimal allocation and replenishment policies for a multi-level, periodic-review, fixed-route logistics system which is comprised of a Logistics Center and several non-identical retailers located along a fixed route. The Logistics Center coordinates the...

Persistent link: https://www.econbiz.de/10009430398

Evaluating trade-offs for profitable design of network infrastructure using multi-criteria optimization

Shukla, Aviral - 2010

Infrastructure design is a critical first step towards the long term success of any business. A well-planned supply chain design for example, is important for efficient flow of goods and information between the producers and the consumers. Similarly a well laid out electricity transmission grid...

Persistent link: https://www.econbiz.de/10009430404

A multi-paradigm modeling approach for energy systems analysis

Hodge, Bri-Mathias Scott - 2010

Energy plays a vital role in the world today, driving industry and allowing for technologies ingrained throughout the routines of daily life. The complex interactions, evolution, long time scales of change, and critical nature of the energy system makes modeling and analysis crucial to...

Persistent link: https://www.econbiz.de/10009430435