Browsing by Author "Küçükkoç, İbrahim"
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2D Nesting and scheduling in metal additive manufacturing
Küçükkoç, İbrahim; Li, Zixiang; Li, Qiang (Springer, 2021)Additive manufacturing (or 3D printing) is considered to be the future of manufacturing. Flexibility, accuracy, rapidness, cost efficiency and lightness are among the advantages those additive manufacturing provides. ... -
Balancing of mixed-model two-sided assembly lines with underground workstations: A mathematical model and ant colony optimization algorithm
Küçükkoç, İbrahim; Li, Zixiang; Karaoğlan, Aslan Deniz; Zhang, David Z. (Elsevier Science, 2018)Mixed-model assembly lines allow the production of different product variants in mass quantities on the same assembly line. In studies addressing mixed-model assembly with two-sided lines, assembly line (work)stations are ... -
Balancing of parallel u-shaped assembly lines
Küçükkoç, İbrahim; Zhang, David Z. (Pergamon-Elsevier Science Ltd, 2015)A new hybrid assembly line design, called parallel U-shaped assembly line system, is introduced and characterised along with numerical examples for the first time. Different from existing studies on U-shaped lines, we ... -
Balancing of two-sided disassembly lines: Problem definition, MILP model and genetic algorithm approach
Küçükkoç, İbrahim (Pergamon-Elsevier Science Ltd, 2020)The recovery of end of life (EOL) products has become an important issue in terms of economic as well as social and environmental considerations. Recent rigid environmental regulations also contribute to the popularity of ... -
Balancing parallel two-sided assembly lines with ant colony optimisation algorithm
Küçükkoç, İbrahim; Zhang, David; Keedwell, Ed C. (2013)Assembly lines are one of the most frequently used flow oriented production systems in industry. Although only a few researchers have studied them, two-sided assembly lines are usually utilised to produce high-volume ... -
Batch delivery considerations in additive manufacturing machine scheduling problem
Küçükkoç, İbrahim (Springer Nature, 2023)As a disruptive technology, additive manufacturing (AM) is attracting both researchers and practitioners thanks to its manufacturing ability. Several AM technologies have been developed based on the needs of the industry ... -
Branch, bound and remember algorithm for two-sided assembly line balancing problem
Li, Zixiang; Küçükkoç, İbrahim; Zhang, Zikai (Elsevier, 2020)This research presents a new branch, bound and remember (BBR) algorithm to minimize the number of mated-stations in two-sided assembly lines. The proposed methodology modifies the Hoffman heuristic to achieve high-quality ... -
Branch, bound and remember algorithm for U-shaped assembly line balancing problem
Li, Zixiang; Küçükkoç, İbrahim; Zhang, Zikai (Pergamon-Elsevier Science Ltd., 2018)This research develops a branch, bound and remember algorithm to address U-shaped assembly line balancing problem. This method proposes a cyclic best-first search strategy which uses memory to preserve searched sub-problems ... -
Combined facility location and distribution network design problem: Progressive models and a case study
Küçükkoç, İbrahim; Acar, Mustafa (Pamukkale Univ, 2020)This paper addresses to the facility location problem of ammunition stores considering the design of distribution network from stores to geographically dispersed army forces. The problem is to determine the construction ... -
A comparative study of exact methods for the simple assembly line balancing problem
Li, Zixiang; Küçükkoç, İbrahim; Tang, Qiuhua (Springer, 2020)Exact methods have shown advanced and promising performance in solving the simple assembly line balancing problem, known as NP-hard. This research investigates the impact of various structural parameters on the performance ... -
Coping with model variations on parallel u-shaped assembly line configurations
Küçükkoç, İbrahim; Zhang, David Z. (Elsevier Science Bv, 2015)U-shaped assembly lines have always been shown as the intelligent way of producing homogeneous products in large quantities. However; dynamism in product demands and growing interest in customized products force companies ... -
A dynamic order acceptance and scheduling approach for additive manufacturing on-demand production
Li, Qiang; Zhang, David; Wang, Shilong; Küçükkoç, İbrahim (Springer London LTD, 2019)Additive manufacturing (AM), also known as 3D printing, has been called a disruptive technology as it enables the direct production of physical objects from digital designs and allows private and industrial users to design ... -
Enhanced branch-bound-remember and iterative beam search algorithms for type II assembly line balancing problem
Li, Zixiang; Küçükkoç, İbrahim; Tang, Qiuhua (Pergamon-Elsevier Science Ltd, 2021)This study presents an enhanced iterative branch, bound and remember (IBBRe) algorithm as an exact method and an enhanced iterative beam search (IBSe) approach as a heuristic method to tackle the type II assembly line ... -
An environmental decision support system for determining on-site or off-site additive manufacturing of spare parts
Demiralay, Enes; Razavi, Seyed Mohammad Javad; Küçükkoç, İbrahim; Peron, Mirco (Springer Science and Business Media Deutschland GmbH, 2023)Effective spare part management can increase the competitiveness of supply chains, but the intrinsic characteristics of spare parts (e.g., intermittent demands, dependence on suppliers) make their effective management ... -
A fast branch, bound and remember algorithm for disassembly line balancing problem
Li, Zixiang; Çil, Zeynel Abidin; Mete, Süleyman; Küçükkoç, İbrahim (Taylor & Francis Ltd, 2019)In recent years, the interests of disassembly line have increased owing to economic reasons and the increase of environmental awareness. Effective line can provide many advantages in terms of economic aspect and it facilitates ... -
Human-Robot collaboration in the next generation manufacturing and logistics system
Ponnambalam, S. G.; Chang, Qing (Cindy); Zhong, Ray Y. Y.; Küçükkoç, İbrahim; Janardhanan, Mukund Nilakantan (Springer, 2023)Digitalization, robotics and automation systems have become indispensable components of today’s smart production and logistics systems with Industry 4.0. This transformation has revealed a new era of industrialization ... -
Incorporating draw constraint in the lightweight and self-supporting optimisation process for selective laser melting
Li, Zhonghua; Zhang, David Zhengwen; Peng Dong; Küçükkoç, İbrahim; Bai Peikang (Springer London, 2018)Due to the manufacturing ability of selective laser melting (SLM) in complex lightweight structures resulting from topology optimisation (TO), SLM and TO are considered to be the best combination. However, support structures ... -
The influence of scan length on fabricating thin-walled components in selective laser melting
Li, Zhonghua; Xu, Renjun; Zhang, Zhengwen; Küçükkoç, İbrahim (Elsevier Sci Ltd, 2018)As one of the advanced additive manufacturing (AM) processes, the selective laser melting (SLM) process provides the possibility of manufacturing almost any complex parts in a wide range of metal materials. In the SLM ... -
Integrating ant colony and genetic algorithms in the balancing and scheduling of complex assembly lines
Küçükkoç, İbrahim; Zhang, David Z (Springer London Ltd, 2016)Different from a large number of existing studies in the literature, this paper addresses two important issues in managing production lines, the problems of line balancing and model sequencing, concurrently. A novel hybrid ... -
Iterated local search method and mathematical model for sequence-dependent u-shaped disassembly line balancing problem
Li, Zixiang; Küçükkoç, İbrahim; Zhang, Zikai (Pergamon-Elsevier Science LTD, 2019)Disassembly lines play an important role in disassembling end-of-life products and retrieving the valuable components. Sequence-dependent time increments are inevitable due to the interactions between two tasks in some ...
