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International Journal of Automation and Logistics (4 papers in press)
Humanitarian Supply Chain Management: A Systematic Review and Bibliometric Analysis by Pavitra Dhamija, Shivam Gupta, Surajit Bag, M.L. Gupta Abstract: The concept of humanitarian operations sustains on the belief that people who are affected by disasters or any other type natural calamity or conflicts possess every right to be assisted and live a dignified life at par with the people leading a normal life. The numbers of disasters are increasing at large. This allows humanitarian supply chain management as one of the upcoming areas for research. This study has considered 241 published papers chosen from the last 10 years covering topics of humanitarian logistics, disaster management, humanitarian relief operations etc. The inferences have been drawn out by using bibliometric and network analysis to recognize top contributing authors, keyword search, and countries. The application of citation analysis through PageRank could deliver the most acceptable work in this area. Further, six clusters have been identified that shares current and future scope of humanitarian research in context of supply chain management. Keywords: Humanitarian supply chain; humanitarian logistics; disaster planning and response; bibliometric analysis; network analysis.
A new reference model-based fixed-structure controller for industrial applications by Muhammad Zakwan, Muhammad Hamza Hashmi, Mukhtar Ali, Shakil Ahmed Abstract: This paper introduces a new approach to design a fixed-structure controller for those industrial applications, where mathematical model of the plant is not known. The design methodology is composed of two steps. First, black-box system identification is used to obtain a mathematical model of plant and second, a fixed-structure controller is designed based on reference model defined by closed-loop performance. rnFor controller identification, prediction error method (PEM) is considered, which uses the off-line generated input-output inherently noise free data using the reference model. Due to fixed design structure, the controller is independent of plant's order. The proposed approach is tested on a lab-based real-time magnetic levitation system(MLS). The results show effectiveness of the proposed approach with good reference tracking and robustness properties. The proposed approach emerged a lower order controller which is computationally efficient and easy to implement. Compare to other data-driven techniques, inverse mapping of the reference model is not required and the performance versus design/tuning time comparison with conventional Proportional Integral Derivative (PID) controller is also improved. Keywords: System Identification; Reference Model; Fixed-Structure Controller; Magnetic Levitation System.
Impact Analysis: Electronic Logging Devices in the Transportation Industry by Jonathan M. Koomen, Anton P. Fenik Abstract: A disruptive digital transformation in the transportation industry recently arrived in the form of an electronic logging devices (ELDs), which serves to replace paper and pen logging of driving hours. The government mandate went into effect in December of 2017 with touted benefits primarily in the form of safety improvements. This research explores the first 12 months of this transformation by interviewing professionals affected by the mandate and by reviewing the still fresh and scarce literature. The results point to short and long-term challenges with which the fleet operators must grapple with before realising the value proposition promised by this digital transformation. The paper offers to practitioners structured summaries of the findings and recommendations for successful implementation of ELDs in order to become fully compliant with the law. Policymakers can gain insights from this study to understand weaknesses of the mandate in the current form. Altogether, this paper brings awareness of benefits and costs of the mandate to all affected stakeholders. Keywords: electronic logging devices; ELDs; logistics; transportation industry; driving hours. DOI: 10.1504/IJAL.2020.10028879
Main benefits obtained from JIT implementation: empirical study in the Moroccan automotive industry by Fatima Ezzahra Sebtaoui, Ahmed Adri, Said Rifai, Kenza Sahaf Abstract: Literature review of this research has reported 19 benefits obtained by companies as a result of a just-in-time (JIT) implementation. However, this study reduces the list of benefits using a data reduction technique in order to identify those essential factors that must be pursued. The 19 benefits are integrated in a questionnaire that is administered to 100 firms in the Moroccan automotive industry to measure the extent to which they are obtained according to companies managers. On the one hand, a statistical validation of the questionnaire and descriptive analysis are carried out. On the other hand, an exploratory factor analysis was achieved using the principal components and varimax rotation to assure data reduction. Three main factors related to JIT benefits are identified after the factor analysis, which explain 94.980% of total variance of data. Identified factors concern production process, inventory management, and economic benefits. Keywords: just-in-time; JIT benefits; factor analysis; data reduction; JIT implementation; principal components; varimax rotation; waste reduction; lean manufacturing. DOI: 10.1504/IJAL.2020.10031864