Due to the ubiquitous real-world applications of logistics and supply chain management
over the past two decades, dynamic pickup and delivery problems (DPDPs), as a subclass …

The vehicle routing problem (VRP), as a classic combinatorial optimization problem, has
always been a hot research topic in operations research. In order to gain a deeper …

This paper introduced a novel metaheuristic that is developed based on the tournament
mechanism, namely quad tournament optimizer (QTO). As its name suggests, QTO proposes …

The maximum tardiness reflects the worst level of service associated with customer needs;
thus, the principle that seru production reduces the maximum tardiness is investigated, and …

With the development of e-commerce platforms, the logistics industry is also booming. The
transportation process is at the core of the logistics industry, which influences the timeliness …

The integration of electric and flying vehicle (EnFV) systems has ushered in a new era of
transportation, offering promising solutions for reducing carbon emissions and improving …

The present work intends to optimize a hybrid delayed differentiation multiproduct economic
production quantity-EPQ model with the scrap and end-products multi-shipment policy …

The rapid growth of online shopping has intensified the need for cost-effective and efficient
delivery systems, posing a significant challenge for businesses worldwide. This study …

When the shuffled frog leaping algorithm (SFLA) is used to solve the robot path planning
problem in obstacle environment, the quality of the initial solution is not high, and the …

The vehicle routing problem with simultaneous pickup and delivery with time windows
(VRPSPDTW) is an important variant of the vehicle routing problem which has received …