Multi-depot electric vehicle scheduling in in-plant production logistics considering non-linear charging models

Diefenbach, Heiko; Emde, Simon; Glock, C. H.

doi:10.1016/j.ejor.2022.06.050

Cited by 14 publications

(4 citation statements)

References 40 publications

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“…In the case of t transporters and i tasks, there can exist a large number of possible scenarios t i , making multiple transporters scheduling a challenging NP-hard problem. To address this challenge, various researchers have employed different methods, such as branch-and-check (Diefenbach et al [ 46 ]; Li and Zhou [ 47 ]) and heuristic methods (Yin et al [ 48 ]; Sistig and Sauer [ 49 ]). Among these methods, GA has demonstrated good performance and robustness in scheduling problems (Xu et al [ 50 ]; Wu and Pang [ 51 ]; He et al [ 52 ]).…”

Section: Dt Based Scheduling Approachmentioning

confidence: 99%

Enhancing shipyard transportation efficiency through dynamic scheduling using digital twin technology

Sun,

Liang,

Chang

2024

PLoS ONE

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Uncertainties, such as road restrictions at shipyards and the irregular shape of blocks, pose challenges for transporter scheduling. Efficient scheduling of multiple transporters is critical to improving transportation efficiency. The digital twin (DT) technology offers numerous benefits, enabling interactions between the virtual and real worlds, real-time mapping, and dynamic performance evaluation. Based on DT technology, this study proposes a dynamic scheduling approach for cooperative transportation utilizing multiple transporters. The scheduling problem for multiple transporters is addressed and modeled in this study, considering factors such as block size and transporter loading. To solve this problem, a framework of DT-based multiple transporters system is established in a virtual environment. By inputting block information into this system, a solution is generated using transporter scheduling rules and interference detection methods. Experimental comparisons are conducted in this paper, exploring various scenarios with different number of tasks and the application of DT. The results demonstrate that the proposed approach effectively enhances transportation efficiency and improves ship construction efficiency. Hence, this study expands the application of DT technology in dynamic scheduling of transportation in shipyards and provides new ideas for shipbuilding company managers.

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Section: Dt Based Scheduling Approachmentioning

confidence: 99%

Enhancing shipyard transportation efficiency through dynamic scheduling using digital twin technology

Sun,

Liang,

Chang

2024

PLoS ONE

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“…Ouyang et al [11] proposed a novel postponement prioritized route optional approach, formulated two dynamic policies to manage temporal and spatial uncertainties, and evaluated the policies through simulation experiments on large-scale instances. Diefenbach et al [12] proposed a scheduling problem of electric vehicles in an in-plant logistics setting in which the actual battery charging function is considered and proposed an exact approach based on branch-and-check for minimizing the fleet size.…”

Section: Research On Logistics Vehicle Scheduling Problemmentioning

confidence: 99%

“…Equation (10) ensures that the number of trucks departing from the core hub is equal to the number of trucks returned. Equations ( 11) and (12) ensure that if truck k does not serve pickup node i, it will not depart from or arrive at node i. Equation (13) restricts that node i and node j can be served sequentially only if truck k serves both node i and node j.…”

Section: T I Amentioning

confidence: 99%

Optimization of Truck–Cargo Online Matching for the Less-Than-Truck-Load Logistics Hub under Real-Time Demand

Tang,

Chen,

Lang

et al. 2024

Mathematics

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Reasonable matching of capacity resources and transported cargoes is the key to realizing intelligent scheduling of less-than-truck-load (LTL) logistics. In practice, there are many types and numbers of participating objects involved in LTL logistics, such as customers, orders, trucks, unitized implements, etc. This results in a complex and large number of matching schemes where truck assignments interact with customer order service sequencing. For the truck–cargo online matching problem under real-time demand, it is necessary to comprehensively consider the online matching process of multi-node orders and the scheduling of multi-types of trucks. Combined with the actual operation scenario, a mixed-integer nonlinear programming model is introduced, and an online matching algorithm with a double-layer nested time window is designed to solve it. By solving the model in a small numerical case using Gurobi and the online matching algorithm, the validity of the model and the effectiveness of the algorithm are verified. The results indicate that the online matching algorithm can obtain optimization results with a lower gap while outperforming in terms of computation time. Relying on the realistic large-scale case for empirical analysis, the optimization results in a significant reduction in the number of trips for smaller types of trucks, and the average truck loading efficiency has reached close to 95%. The experimental results demonstrate the general applicability and effectiveness of the algorithm. Thus, it helps to realize the on-demand allocation of capacity resources and the timely response of transportation scheduling of LTL logistics hubs.

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“…Diefenbach [34] tesis içi lojistikte belirli bir menzile sahip olan elektrikli taşıma araçları için şarj molalarının planlanabilmesi ve araç filosunun en aza indirilmesi amacıyla yeni bir araç çizelgeleme problemi sunmuşlardır. Zhao vd.…”

Section: Zaman Pencereli Araç Rotalama Problemiunclassified

Endüstriyel hücrelerde bulanık tabanlı taşıma yöntemi seçimi için geliştirilen bir yaklaşım: vaka çalışması

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Durmuşoğlu

2023

Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi

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Lojistiğin diğer boyutlarının aksine üretim lojistiği veya iç lojistik ile ilgili literatürde yeterli sayıda denebilecek çalışma mevcut değildir. Hâlbuki üretim faaliyetleri içerisinde lojistik, önemli bir yer işgal eder, üretimin süresine ve ürün kalitesine doğrudan etki eder. Böylesine önemli olan üretim lojistiği ile ilgili literatürdeki sınırlı sayıdaki çalışmaya bakıldığında çalışmaların depolama stratejilerinin belirlenmesi, depolama araçlarının seçimi, malzeme tasıma hareketlerinin yapılandırılması, malzeme tasıma araç türlerinin seçimi, hücresel yerleşim, hücre içi ve hücreler arası hareketlerin yapılandırılması ile ilgili olduğunu görüyoruz. Bulanık tabanlı bir seçim yaklaşımı olan bulanık ve ağırlıklandırılmış bulanık bilgi aksiyomunun endüstriyel hücrelerdeki taşıma faaliyetleri için kullanılması literatürde yeni sayılabilecek bir çalışma olacaktır. Aksiyomlarla tasarım metodolojisi içerisinde yer alan bilgi aksiyomu, en yalın iç lojistik taşıma yönteminin belirlenmesinde kullanılmıştır. Yalın lojistik yalın üretimin lojistik boyutudur. Makalemizle ilgili bir otomotiv yan sanayi firmasının fabrikasında uygulama çalışması yapılmıştır. Üretim ortamında kullanılabilecek farklı taşıma yöntemleri mevcuttur. Bulanık bilgi aksiyomu ve ağırlıklandırılmış bulanık bilgi aksiyomu kullanılarak müşteri beklentilerin en çok sağlayan, en yalın ve en verimli hücre besleme yöntemi bulunmaya çalışılmıştır. Mevcut iç lojistik taşıma yöntemi ile önerilen yalın iç lojistik taşıma yöntemi arasındaki farklara çalışmamızda yer verilmiştir. Karar vericilerin tereddütten uzak karar verebilmelerine yardımcı olabilmek için duyarlılık analizi ile çalışmamız güçlendirilmiştir.

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Multi-depot electric vehicle scheduling in in-plant production logistics considering non-linear charging models

Cited by 14 publications

References 40 publications

Enhancing shipyard transportation efficiency through dynamic scheduling using digital twin technology

Enhancing shipyard transportation efficiency through dynamic scheduling using digital twin technology

Optimization of Truck–Cargo Online Matching for the Less-Than-Truck-Load Logistics Hub under Real-Time Demand

Endüstriyel hücrelerde bulanık tabanlı taşıma yöntemi seçimi için geliştirilen bir yaklaşım: vaka çalışması

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