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Supply Chain and Logistics Institute
Supply Chain and Logistics Institute
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ItemHyperconnected and Autonomous Distribution System for Societally Critical Products(Georgia Institute of Technology, 2023-06) Shaikh, Sahrish Jaleel ; Pothen, Ashwin ; Montreuil, BenoitSocietally critical products are crucial for maintaining people's well-being and ensuring the continuity of vital societal operations. However, disruptions can severely impact their supply chains due to increased demand and supply chain disruptions. The Paper defines the importance of these products and presents a conceptual framework for a hyperconnected and autonomous distribution system that encompasses physical, organizational, information, and operational aspects. We present the results of research at Georgia Tech during the COVID19 pandemic, which involved designing and operating an innovative system for efficiently distributing personal protection equipment. The study provides the foundation for a systemic approach to distributing societally critical products, integrating autonomous operations and hyperconnectivity based on Physical Internet concepts. The Paper also discusses the challenges of large-scale adoption, implementation, and operation of such a distribution system.
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ItemModular Containerization of Parcel Logistics Networks: Simulation-Based Impact Assessment(Georgia Institute of Technology, 2023-06) Shaikh, Sahrish Jaleel ; Kim, Nayeon ; Rababah, Mumen ; Montreuil, Benoit ; Smith, Jeffrey S.The parcel industry has undergone significant changes in recent years, primarily driven by the surge of e-commerce and new technologies. The Physical Internet (PI) provides initiatives to optimize parcel flow and jointly address economic, operational, social, and environmental sustainability issues in the industry. Encapsulating parcels in modular PI containers is a promising method to enhance efficiency by consolidating parcel flows which can increase vehicle capacity utilization, leading to significant cost and transit time reductions. In this Paper, we investigate the potential benefits of containerization in the parcel industry using simulation-based scenario designs and assessments. The results are evaluated across several performance facets, such as transport efficiency, handling operations, induced costs, and greenhouse gas emissions. The simulation results focusing on the East Coast region of the USA demonstrated that containerization and tiered mesh networks lead to cost savings and efficient space utilization, with multiple container sizes and a mesh network approach being more effective. This approach also reduces driving time per leg, improving efficiency and driver well-being. In conclusion, the study offers conclusive remarks and suggests further research avenues in this domain.
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ItemSurfing the Physical Internet with Hyperconnected Logistics Networks(Georgia Institute of Technology, 2023-06) Grover, Nidhima ; Shaikh, Sahrish Jaleel ; Faugère, Louis ; Montreuil, BenoitThe Physical Internet (PI) presents a transformative vision for logistics systems, where assets are shared openly, and flow consolidation is achieved through standardization, modularization, interfaces, and protocols. Hyperconnected logistics networks have emerged as a promising implementation of the PI, leveraging multi-tier meshed hubs and interconnectivity to achieve greater efficiency, resilience, and sustainability in the transportation of physical goods. However, a lack of clarity in the literature regarding the definition and design of hyperconnected logistics networks presents a significant obstacle to realizing their full potential. To address this gap, we propose a comprehensive definitional framework that integrates key concepts such as tiered network topology, hub interconnectivity, consolidation, and containerization. Moreover, we present a practical design approach for a hyperconnected logistics network in the United States, utilizing a representative demand scenario and accompanying network visualizations to enhance comprehension. Our research aims to unlock the potential of hyperconnected logistics networks as a crucial component of the PI, offering significant benefits to the global logistics industry and society as a whole.
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ItemIntroducing Services and Protocols for Inter-Hub Transportation in the Physical Internet(Georgia Institute of Technology, 2021-06) Shaikh, Sahrish Jaleel ; Montreuil, Benoit ; Hodjat-Shamami, Moussa ; Gupta, AshishThe Physical Internet (PI) puts high emphasis on enabling logistics to reliably perform at the speed mandated by and promised to customers, and to do so efficiently and sustainably. To do so, goods to be moved are encapsulated in modular containers and these are flowed from hub to hub in relay mode. At each hub, PI enables fast and efficient dynamic consolidation of sets of containers to be shipped together to next hubs. Each consolidated set is assigned to an appropriate vehicle so to enact the targeted transport. In this paper, we address the case where transportation service providers are available to provide vehicles and trailers of distinct dimensions on demand according to openly agreed and/or contracted terms. We describe the essence of such terms, notably relative to expected frequency distribution of transport requests, and expectations about time between request and arrival at hub. In such a context, we introduce rigorous generic protocols that can be applied at each hub so as to dynamically generate consolidation sets of modular containers and requests for on-demand transportation services, in an efficient, resilient, and sustainable way ensuring reliable pickup and delivery within the promised time windows. We demonstrate the performance of such protocols using a simulation based experiment for a national intercity express parcel logistic network. We finally provide conclusive remarks and promising avenues for field implementation and further research.
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ItemConceptual Framework for Hyperconnected Package Transport Logistics Infrastructure(Georgia Institute of Technology, 2021-06) Shaikh, Sahrish Jaleel ; Kim, Nayeon ; Montreuil, Benoit ; Vilumaa, PriidikIn the context of Physical Internet, where dynamic consolidation and flexible multi player operations are required, the current large-scale integer programming based package transportation network operations may not only become inflexible and computationally heavy, but can often create significant ad-hoc plan changes. This paper presents a conceptual framework of an alternative way of designing, planning, and operating a package transportation network, Hyperconnected Package Transport Logistics Infrastructure (HyPTLI), inspired by the Physical Internet Initiative. The HyPTLI framework leverages five distinctive features of Physical Internet: multi-tier interlaced mesh networks, service-based package routing schemes, dynamic containerized consolidation, service-driven on-demand inter-hub shuttling, and open protocols and digital platform. The paper describes the design components of HyPTLI and positions them into a comprehensive design framework.