International Journal of Services Operations and Informatics
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International Journal of Services Operations and Informatics (3 papers in press)
RFID Traceability for Structure Fires: Lethbridge Fire Department Case by Afrooz Moatari-Kazerouni, Caraline Smith Abstract: National Fire Protection Association has identified disorientation within building structures as a leading cause of critical injury for firefighters. Firefighters frequently encounter unfamiliar environments which are often obstructed with heavy smoke and hazards. Detecting an injured or distressed firefighter is dependent on navigational systems which are limited in scope and capability. Radio frequency identification (RFID) can be adopted as a beneficial technology for firefighters navigation. This research proposes firefighters safety and accountability improvements via case study. Through collaboration with the Lethbridge fire department, AB, Canada, a critical assessment of implementing RFID within their work was assessed by gaining the experts opinions. Interviews and surveys are gathered and the business process reengineering (BPR) model is used for analysing the practicability of RFID technology. Results suggested sewing an active RFID tag onto the back of upper left arm on a firefighters turnout coat. This recommendation adapts current technology designs for firefighters efficiently and traceability improvements. Keywords: Process improvement; Business Process Re-engineering (BPR); traceability and navigation; radio frequency identification (RFID); firefighting services. DOI: 10.1504/IJSOI.2021.10032874
Investigating the effect of inflation on an inventory system for defective items with inspection errors, sales returns and shortages by Aakanksha Kishore, Aditi Khanna Abstract: The present paper addresses the common quality related issues faced by retail sectors i e , the presence of imperfect quality received in the lot. For delivering perfect products to the buyers, all products get inspected to select perfect items for demand fulfillment. However, during the inspection process, it is observed that the occurrence of common human errors, viz Type-I & Type-II, is inescapable The former error causes monetary damage to the retailer whereas Type- II error brings dissatisfaction in customers by supplying them defectives by mistake. Further, the impact of inflationary conditions has been considered for accurate calculation of various cost components. Fully backlogged shortages are considered in modeling. Thus, objective of the proposed model lies in determining the optimal backorder level & order quantity by maximizing present worth of expected profit function. Practical relevance of the study is established via numerical as well as comprhensive sensitivity analysis. Keywords: Inventory; Imperfect quality items; Inspection; Inflation; Shortages. DOI: 10.1504/IJSOI.2021.10034346
Establishing relation between production rate and product quality in a single-vendor multi-buyer supply chain model by ARUNAVA MAJUMDER, Bikash Koli Dey, Richa Nandra, Kristina Rangsha Marak, Ramandeep Kaur Abstract: This paper develops a single-vendor multi-buyer supply chain model with variable production cost, imperfect quality of products and environmental factors. A unit production cost is considered as a function of the production rate. Cost that vary depending on the production rate of a company is variable production cost. Increase in production rate deteriorates the product quality, resulting in imperfect quality of products. High production rate also produces significant carbon emission in the environment. In order to reduce the environmental pollution, industries must invest an amount. The cost associated with the environmental impact of ones companys business operations is environmental cost. In order to obtain the global optimum solution, a classical optimization technique is employed. An illustrative algorithm is established to obtain the numerical results. Numerical examples are given to illustrate the model. Numerical study proves the effects of variable production rate on the total cost of supply chain model. Keywords: Supply chain management; Variable production cost; Quality management; Controllable lead time; Single-setup-multi-delivery policy; Environmental cost. DOI: 10.1504/IJSOI.2021.10034347