Model based development of disassembly network design for large-scale products

Theme
XXL products
Project title Model based development of disassembly network design for large-scale products (DemoNetXXL)
Project duration 01.01.2016 – 31.12.2017
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Press release

Disassembling of large-scale products (XXL-products such as wind energy plants, crane and conveyor systems) shows special requirements due to the dimensions of the product and the complexity of the components. The first step of the disassembling starts usually at the operation site. The challenge for disassembling companies is the positioning between expensive dismantling at the job site and the costly transportation of modules to a disassembling factory. Within the framework of this research project this location and allocation problem will be pictured in a model. For solving this problem time efficiently, a heuristic based on genetic algorithms will be used. The result should give companies the opportunity to arrange disassembling networks for XXL-Products efficiently.  

Publications about the project

Thousands of wind turbines need to be dismantled and replaced in the next years. The owners of the wind parks have to pay millions to handle this. How you can dismantle quickly, at a low price and ecologically friendly, is part of a research project of the Institut für Integrierte Produktion Hannover (IPH). The huge dismantling wave will start in the next years.

dismantling networks, wind turbines

Disassembling of large-scale products (e. g. wind energy plants, crane and conveyor systems which are known as XXL-Products) becomes increasingly important, as the operating time is limited. The challenge is to optimize the positioning of the complex and expensive disassembling on the operation site on the one hand and the costly transportation of modules to the disassembling factories. For this reason the location and allocation problem will be pictured in a mathematical model within the research project “DemoNet”. This model supports companies to create a XXL-disassembly-network. The research hypothesis assumes: a disassembly under ecological, economical and logistical aspects constitutes the optimum. The extension of a location planning tool forms the basis of the mathematical optimization model for the disassembly of XXL-Products. For solving the problem a genetic algorithms will be used. The result helps companies to arrange disassembling networks for XXL-Products efficiently.

dismantling planing, dismantling networks, impact model

Sponsor

The project no. UL 419/6-1 receives funding from the German Research Foundation (DFG).

Partner

Your contact person

Martin Westbomke
M.Sc.

Project engineer

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