Engenharia de Produção
URI permanente desta comunidadehttps://repositorio.fei.edu.br/handle/FEI/19
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Resultados da Pesquisa
- Development of a Digital Twin for smart farming: Irrigation management system for water saving(2023-02-15) ALVES, R. G.; MAIA, R. F.; Fabio Lima© 2023 Elsevier LtdWorld agriculture faces the challenge of increasing its agricultural production by 50 % from 2012 to 2050, while reducing water consumption, as agriculture accounts for 69 % of all fresh water used on the planet. The use of technologies such as the internet of things, artificial intelligence, digital twins, among others, in the agricultural environment is increasing. Digital twin applied to agriculture is in its early stages of development. A digital twin is one in which data flows automatically and in both directions between a physical object and a virtual object. Withing this context, this paper presents a digital twin of a smart irrigation system in an application scenario. A digital twin for an irrigation system is one in which the physical components of the system, such as its sensors and actuators, are connected with their virtual representations. The system is composed of a FIWARE-based internet of things platform and a discrete event simulation model in Siemens Plant Simulation software. The internet of things platform is used to collect, aggregate and process soil, weather and crop data to calculate daily irrigation prescriptions. The simulation model is used to simulate the behavior of an irrigation system defined in an application scenario. The communication between the platform and the simulation model happens in real-time and is intermediate by an OPC UA server. A application scenario is considered to evaluate the behavior of the system and to evaluate, in future research, different irrigation strategies. The benefits of the systems proposed are twofold. First, evaluate the behavior of the Internet of Things (IoT) platform and an irrigation system before implementing both in the field. Second, enable the evaluation of different irrigation strategies in parallel with current farm practices. Within the system proposed, farmers can evaluate the behavior of the system before implementing in their farms and allowing the system to operate automatically. It is possible to infer that the system can improve farm operations and reduce water usage by allowing farmers to gather soil, weather and crop information and evaluate multiple irrigation strategies.
- Green supply chain management practices: Multiple case studies in the Brazilian home appliance industry(2017) Scur G.; Barbosa M.E.© 2016 Elsevier LtdLeading manufacturers in developed countries generally implement green practices and have high levels of environmental awareness. However, it is uncertain which practices are implemented and how they are implemented in the home appliance sector of emerging countries such as Brazil. The purpose of this study is to identify and analyze the practices of green supply chain management adopted by home appliance manufacturers. To analyze green practices in this industry, 5 manufacturers and 2 professional associations were used as case studies; this approach provided in-depth interviews about internal environmental management, reverse logistics, green purchasing, eco-design, life cycle assessment, waste management, and green manufacturing. Waste management was the most widely used technique among the research participants, and green purchasing and life cycle assessment practices were less widespread. Significant differences in the adoption of certain green supply chain management (GSCM) dimensions were observed between companies with ISO 14001 certification and non-certified companies. Suggestions for further developing GSCM in the home appliance industry are also presented.
- Eco-innovation practices in the brazilian ceramic tile industry: The case of the Santa Gertrudes and Criciúma clusters(2018) Vieira de Souza W.J.; Scur G.; Hilsdorf W.D.C.© 2018 Elsevier LtdResearchers and companies have presented a growing interest in eco-innovation. From an academic perspective, it is necessary to increase the number of studies performed in developing countries. Furthermore, the way in which a company can integrate innovation and sustainability into its industrial activities remains an open topic. In the ceramic tile industry, several environmental impacts can be generated throughout the production chain. This paper aims to identify how practices of eco-innovation have been implemented by ceramic tile producers of Santa Gertrudes, São Paulo State, and Criciúma, Santa Catarina State in Brazil, clusters that are responsible for approximately 80% of Brazilian production. The results show that most eco-innovations implemented are incremental and that process and product eco-innovations are consolidated in both clusters. This evidence shows that the clusters face unexplored opportunities for structuring organizational actions that may help companies organize their efforts towards sustainability. Another finding is that eco-innovation deployment in Brazilian ceramic clusters is mainly driven by specific legislation (e.g., particulate matter emissions) and market requirements (e.g., retailer audits).
- Principles of sustainability and practices in the heavy-duty vehicle industry: A study of multiple cases(2017) Hilsdorf W.D.C.; de Mattos C.A.; de Campos Maciel L.O.© 2016 Elsevier LtdSustainable development is challenging the thinking of organizations, starting to interfere directly in formulating their business strategies. The automotive industry is part of a global context that involves a complex supply chain in which economic, social, and environmental pressures have caused the issue of sustainability to become a competitive edge. Despite its importance, studies point out inconsistencies in the adoption of sustainability practices as broader discussions are not found on the alignment between sustainability principles models in the literature and organizational actions implemented in practice. This research aimed at identifying how the principles of sustainability outlined in the academic literature are aligned with organizational policies and practices in the heavy-duty vehicle industry in Brazil. The study was conducted in three industry companies based in the state of São Paulo, which represent about 74% of jobs in the sector. In general, it is concluded that the environmental dimension is in a more advanced level than the other dimensions with regard to the adoption of sustainability practices. However, there was no evidence that the actions aimed at sustainability are addressed in an integrated manner with regard to investments and generated impacts on environmental, social, and economic dimensions.