Search Results - subject_exact:"Produktionszeit"

Determining the optimal order quantity for perishable products affected by stochastic transportation delays

Banthita Kanchanasathita; Atchara Wangpa; Apisit Pitakcheun - 2026

Background: Transportation delays pose significant challenges for perishable products by reducing freshness, shortening selling duration, and causing lost sales during the delay. Methods: Motivated by the growing importance of transportation delays on perishable products, this study develops a...

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015611747

The value addition of Healthcare 4.0 loyalty programs : implications for logistics management

Vieira, Maria João; Ramos, Ana; Amaral, João - 2026

Background: Digital transformation is reshaping healthcare operations, with loyalty programs increasingly used to strengthen patient engagement and streamline administrative workflows. However, fragmented information systems and manual verification routines continue to create bottlenecks,...

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015612391

MIP-based local search for permutation flowshop scheduling with makespan objective

Cáceres-Gelvez, Sebastian; Thu Huong Dang; Letchford, … - 2026

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015552423

A batch scheduling model on unrelated parallel machines with resource constraints and sequence-dependent setup time to minimize total actual flow time

Yusriski, Rinto; Nasution, Andri Rachmat Kumalasian; … - 2026

Findings: The proposed algorithm achieves an average efficiency of 99.32% compared to the enumeration algorithm, with minimal deviation (0.4%). The results validate the main proposition for efficient scheduling, including prioritizing jobs based on due dates, allocating job demands based on...

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015627286

Process improvement in an onshore wind turbine blade industrial unit

Silva, Beatriz Oliveira; Matias, João Carlos Oliveira; … - 2026

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015675449

A Q-learning-based multi-objective hyper-heuristic algorithm for energy-efficient integrated distributed hybrid flow-shop scheduling with preventive maintenance

Zhang, Zi-Qi; Wu, Xin-Yun; Qian, Bin; Hu, Rong; Yang, … - 2026

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015534489

Scheduling wagons to optimise the remanufacturing time of a train

Tighazoui, Ayoub; Schlecht, Michael; De Guio, Roland; … - 2026

Persistent link: https://ebvufind01.dmz1.zbw.eu/10016059317

Bilinear branch and check for unspecified parallel machine scheduling with shift consideration

Jartnillaphand, Ponpot; Mardaneh, Elham; Bui, Hoa T. - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015085083

Collaborative scheduling of coal terminal loading-unloading based on hybrid flowshop model considering two-stage zero-waiting and task release time

Yu, Meng; Yu, Yi; Zhang, Xiabin; He, Lijun - 2026

Persistent link: https://ebvufind01.dmz1.zbw.eu/10016059719

Scheduling parallel mixed-model assembly lines with cross-line item transfers

Bukchin, Yossi; Khmelnitsky, Eugene - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015549069

Improved linear programming relaxations for flow shop problems with makespan minimization

Wallrath, Roderich; Franke, Meik; Walter, Matthias - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015338012

Smoothed analysis of the 𝜅-swap neighborhood for makespan scheduling

Rohwedder, Lars; Safari, Ashkan; Vredeveld, Tjark - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015358870

A resource-constrained optimization model for parallel machine scheduling with constraint programming

Abdeljaouad, Mohamed Amine; Bahroun, Zied; Saadani, … - 2025

This study investigates an NP-hard parallel machine scheduling problem, a critical challenge in manufacturing, healthcare, and logistics industries where efficient resource allocation is essential. The issue involves scheduling operations where each task requires an additional resource, with...

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015420487

The dual-resource-constrained re-entrant flexible flow shop a constraint programming approach and a hybrid genetic algorithm

Mlekusch, Johanna; Hartl, Richard F. - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015421560

The strong effect of flexible capacities on achievable WIP levels and throughput times : a simple model and its implications

Lödding, Hermann; Steffens, Constantin; Winter, Michael - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015422334

Discrete-time EOQ with lost sales, binomial demand, and geometric lead time : inventory level distribution and performance analysis

Gebennini, Elisa; Grassi, Andrea; Santillo, Liberatina … - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015466644

Minimizing total completion time and makespan for a multi-scenario bi-criteria parallel machine scheduling problem

Zhang, Xiechen; Angel, Eric; Chu, Feng; Regnault, Damien - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015408276

The distributed flow shop scheduling problem with inter-factory transportation

Becker, Tristan; Neufeld, Janis S.; Buscher, Udo - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015410085

Resilient transportation network design with disruption uncertainty and lead times

Müllerklein, Daniel; Fontaine, Pirmin - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015412261

Non-crossing vs. independent lead times in a lost-sales inventory system with compound Poisson demand

Johansen, Søren; Thorstenson, Anders - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015433076

A weighted distribution-free model for parallel machine scheduling with uncertain job processing times

Zhang, Yuli; Cheng, Zihan; Zhang, Ningwei; Chiong, Raymond - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015433165

Reactive scheduling of uncertain jobs with maximum time lags

Györgyi, Péter; Kis, Tamás; Szögi, Evelin - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015433353

Neighbourhood search-based metaheuristics for the bi-objective Pareto optimization of total weighted earliness-tardiness and makespan in a JIT single machine scheduling problem

Babu, Sona; Girish, B. S. - 2025

This paper studies the simultaneous minimization of total weighted earliness-tardiness (TWET) and makespan in a just-in-time single-machine scheduling problem (JIT-SMSP) with sequence-dependent setup times and distinct due windows, allowing idle times in the schedules. Multiple variants of...

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015433572

Scheduling with sequence-dependent setup times in short-term production planning : a main path analysis-based review

Ying, Kuo-Ching; Pourhejazy, Pourya; Lin, Zhi-Rong - 2025

The role of setup times in production planning and control was recognised in the late 1960s. Since then, a growing number of scheduling problems have accounted for sequence-dependent setup time variables. This study aims to provide a systematic review of setup times in the short-term production...

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015433624

The gamma distribution and inventory control : disruptive lead times under conventional and nonclassical conditions

Tyworth, John E. - 2025

Background: Foundational research on the gamma distribution and inventory control highlighted its flexibility and practicality for managing fast-moving finished goods. Nonetheless, concerns remain about conventional statistical approximations of lead-time demand (LTD) distributions. Real-world...

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015437340

A k-swap local search for makespan scheduling

Rohwedder, Lars; Safari, Ashkan; Vredeveld, Tjark - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015460130

Decomposition heuristics for the Hybrid Flexible Flowshop with Transportation Times

Garraffa, Michele; Simonis, Helmut; O'Sullivan, Barry; … - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015460276

Charging scheduling optimisation of battery electric buses with charging setup time

Wang, Zhixin; Zheng, Feifeng; Hamdan, Sadeque; Jouini, … - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015445255

Business ambience for implementing Just-in-sequence strategy : the automotive industry in Serbia : case study

Andjelković, Aleksandra; Milovanović, Goran; … - 2025

Persistent issues in the automotive industry - such as delivery delays and frequent stock-outs - indicate that the vision of perfectly synchronized flows of raw materials, parts, and components within complex industrial production and logistics systems remains a significant challenge. To...

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015561433

A novel approach based on IoT and log-normal distribution for supplier lead time optimization in smart engineer-to-order supply chains

Alaoua, Aicha; Karim, Mohammed - 2025

Background: In Engineer-to-Order (EtO) supply chains, managing supplier lead times is particularly challenging due to high customization and intensive customer involvement. This study addresses the critical need for more accurate and dynamic lead time prediction to enhance supply chain...

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015506440

A robust optimization method for hybrid flow shop scheduling with uncertain setup times

Rahmativala, Shiva; Ghahremani, Javid - 2025

This research focuses on modeling and solving a bi-objective hybrid flow shop scheduling problem, considering uncertain job-dependent setup times and worker constraints. The main objective of the mathematical model is to simultaneously minimize the Maximum Completion Time (Cmax) and minimize the...

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015506747

A hybrid XAI-FCI approach for job cycle time range estimation : wafer fabrication as an example

Chen, Toly; Lin, Chi-Wei - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015592991

Flow shop scheduling with inter-stage flexibility and blocking constraints

Nicosia, Gaia; Pacifici, Andrea; Pferschy, Ulrich; … - 2025

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015519598

Constraint programming models for serial batch scheduling with minimum batch size

Huertas, Jorge A.; Van Hentenryck, Pascal - 2025

In serial batch (s-batch) scheduling, jobs are grouped in batches and processed sequentially within their batch. This paper considers multiple parallel machines, nonidentical job weights and release times, and sequence-dependent setup times between batches of different families. Although s-batch...

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015606632

Group-scheduling with simultaneous learning effects and convex resource allocations

Huang, Xue; He, Hongyu; Bei, Hong-Bin; Zhao, Yanzhi; … - 2025

In this article, we investigate the resource allocations group-scheduling with position-based learning effects. Under a single-machine, the purpose is to determine an optimal group sequence, job sequence within each group, and convex resource allocations (i.e., second partial derivatives of...

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015606744

Lead times in flux : analyzing Airbnb booking dynamics during global Upheavals (2018-2022)

Katz, Harrison; Savage, Erica; Coles, Peter A. - 2025

Short-term changes in booking behaviors can significantly undermine naive forecasting methods in the travel and hospitality industry, especially during periods of global upheaval. Traditional metrics like average or median lead times capture only broad trends, often missing subtle yet impactful...

Persistent link: https://ebvufind01.dmz1.zbw.eu/10015560797

Implementing additive manufacturing in orthopedic shoe supply chains : cost and lead time comparison

Verboeket, Victor; Krikke, Harold; Salmi, Mika - 2024

Background: Additive manufacturing (AM) for patient-specific medical care products offers great opportunities. However, evidence about the supply chain (SC) performance impact based on empirical data is limited. Methods: In this case study, we gathered real-life data about a traditional...

Persistent link: https://ebvufind01.dmz1.zbw.eu/10014631269