High speed end-milling optimisation using Particle Swarm Intelligence

• Autorzy: Cus F. , Zuperl U. , Gecevska V.
• Języki publikacji: EN

Abstrakty

EN

Purpose: In this paper, Particle Swarm Optimization (PSO), which is a recently developed evolutionary technique, is used to efficiently optimize machining parameters simultaneously in high-speed milling processes where multiple conflicting objectives are present. Design/methodology/approach: selection of machining parameters is an important step in process planning therefore a new methodology based on PSO is developed to optimize machining conditions. Artificial neural network simulation model (ANN) for milling operation is established with respect to maximum production rate, subject to a set of practical machining constraints. An ANN predictive model is used to predict cutting forces during machining and PSO algorithm is used to obtain optimum cutting speed and feed rate. Findings: The simulation results show that compared with genetic algorithms (GA) and simulated annealing (SA), the proposed algorithm can improve the quality of the solution while speeding up the convergence process. PSO is proved to be an efficient optimization algorithm. Research limitations/implications: Machining time reductions of up to 30% are observed. In addition, the new technique is found to be efficient and robust. Practical implications: The results showed that integrated system of neural networks and swarm intelligence is an effective method for solving multi-objective optimization problems. The high accuracy of results within a wide range of machining parameters indicates that the system can be practically applied in industry. Originality/value: An algorithm for PSO is developed and used to robustly and efficiently find the optimum machining conditions in end-milling. The new computational technique has several advantages and benefits is suitable for use combined with ANN based models where no explicit relation between imputs and outputs is available. This research opens the door for a new class of optimization techniques which are based on Evolution Computation in the area of machining.

Słowa kluczowe

EN

machining; end milling; particle swarm optimization (PSO)

PL

obróbka skrawaniem; frezowanie walcowo-czołowe; optymalizacja rojem cząstek

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2007
• Tom: Vol. 22, nr 2
• Strony: 75--78
• Opis fizyczny: Bibliogr. 14 poz., rys.

Twórcy

autor

Cus F.

autor

Zuperl U.

autor

Gecevska V.

• Faculty of Mechanical Engineering, University of Maribor, Smetanova 17, 2000 Maribor, Slovenia,

Bibliografia

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