Issue-No.:

2/2002

Author:

J. Willms, J. Holländer

Optimization of balance errors with evolutionary algorithms, using the example of hammer crushers

Optimization of balance errors in hammers through carefully controlled arrangement of the hammers on the rotor is a common problem for the manufacturers of hammer crushers and mills, especially with complicated hammer distributions. Work was therefore carried out at the FH Südwestfalen in close cooperation with Krupp Fördertechnik GmbH on the development and implementation of an evolutionary algorithm. Evolutionary algorithms are a group of algorithms, such as genetic algorithms or evolutionary strategies, in which the search for a solution is based on simulation of the biological evolutionary process. The approach described here and implemented through a PC program not only shows the difficulties and limits in industrial use but also gives a very clear indication of the advantages and practical capabilities of such a procedure. The approach also offers the advantage that it can be applied to many widely differing problem areas.

 

Twin-shaft hammer crusher with rotors arranged in parallel

 

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