An L-approach for packing (ℓ, w)-rectangles into rectangular and L-shaped pieces

L Lins, S Lins and R Morabito ()
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L Lins: Universidade Federal de Pernambuco
S Lins: Universidade Federal de Pernambuco
R Morabito: Universidade Federal de São Carlos

Journal of the Operational Research Society, 2003, vol. 54, issue 7, 777-789

Abstract: Abstract This paper presents an approach using a recursive algorithm for packing (ℓ, w)-rectangles into larger rectangular and L-shaped pieces. Such a problem has actual applications for non-guillotine cutting and pallet/container loading. Our motivation for developing the L-approach is based on the fact that it can solve difficult pallet loading instances. Indeed, it is able to solve all testing problems (more than 20 000 representatives of infinite equivalence classes of the literature), including the 18 hard instances unresolved by other heuristics. We conjecture that the L-approach always finds optimum packings of (ℓ, w)-rectangles into rectangular pieces. Moreover, the approach may also be useful when dealing with cutting and packing problems involving L-shaped pieces.

Keywords: cutting and packing; pallet and container loading; recursive algorithm (search for similar items in EconPapers)
Date: 2003
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Citations: View citations in EconPapers (9)

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DOI: 10.1057/palgrave.jors.2601553

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