21 documents found, page 1 of 3
Proposal of process confirmation methodology through lean principles in logisti...
Silva, Bruna S. Martins da; Pereira, M. Teresa; Ferreira, Fernanda A.; Oliveira, MarisaNowadays, the challenges in this logistics sector influence companies to invest in means and resources to make their logistics processes more efficient, with higher quality and lower cost, without compromising the supply chain processes and business evolution requirements. Therefore, as part of the Process Improvement role carried out in a retail company, the Process Confirmation methodology has been developed ...
Development of a decision support system for freight forecasting
Martins, João P.; Ramos, Filipe R.; Pereira, M. Teresa; Oliveira, Marisa; Ferreira, Fernanda A.The transportation of goods is critical to supply chains, directly influencing efficiency, cost management, and competitiveness. Accurate freight cost forecasting is essential for decision-making, enabling businesses to allocate resources effectively, reduce financial uncertainties, and ensure timely deliveries. This study, conducted in the After-Sales department of a global company, aimed to analyse freight co...
Manufacturing companies Industry 4.0 maturity level: A multivariate analysis
Fonseca, Luís Miguel Ciravegna Martins da; Pereira, Teresa; Oliveira, Marisa; Ferreira, Fernanda; Busu, MihailThis research investigates Portuguese manufacturing companies’ Industry 4.0 (I4.0) maturity perception level and proposes an index to measure that aim. The research results show that the most critical factors in evaluating the perception level of I4.0 Perception Maturity (IPM) are strategy, leadership, and customer experiences. The result for the Global Index was 53.50%. Hence, the global Index companies’ perce...
Study of the time windows range impact on vehicle routing problem
Oliveira, Pedro Afonso; Pereira, Maria Teresa; Oliveira, Marisa; Ramos, Filipe R.; Ferreira, Fernanda A.The purpose of this chapter is to study and explain the impact of the length of the time windows in the vehicle routing problem with time windows (VRPTW). A case study was explored with the aim of understanding the relationship between the use of time windows with different intervals and the cost of charges, client satisfaction, and travel time. The solution presented studies the influence that time windows hav...
Logistics flow improvement in a leather goods industry
Pereira, Maria Teresa; Ribeiro, João; Oliveira, Marisa; Ramos, Filipe R.; Ferreira, Fernanda A.This paper presents an optimization case study developed for a leather company, which aims to improve operational performance at the technical team level in routing and apply improvements that impact it. This project aims to create a route optimization model for what were initially intuitive routes. Since the assignment of work hours by the central team varies, there is a fluctuation in the material shipped to ...
Design and implementation of a supplier Kanban system in the automotive sector:...
Pereira, Maria Teresa; Lyra, Raquel; Moreira, Miguel Ângelo Lellis; Oliveira, Marisa; Ferreira, Fernanda A.; Silva, Francisco J. G.In an increasingly competitive automotive sector subject to rapid transformation, efficient supply chain management emerges as a critical component for success. In this context, this study explores a Kanban system within an automotive supplier to address the challenges of demand variability and inventory management. Employing an Action Research methodology, the case study unfolds four iterations, each advancing...
Development of a cost estimation model in a furniture manufacturer
Reis, Francico; Amaral, António; Oliveira, Marisa; Ferreira, Fernanda A.; Pereira, M. TeresaThis work was developed to improve the costing process of new products within the Product Development Department of a furniture manufacturer. It consisted of creating a parametric cost estimation model based on applying simple and multiple linear regressions, considering the existing data of the products produced and their respective costs. The proposed model considers the cost estimation of creating a product ...
Manufacturing companies industry 4.0 maturity level: a multivariate analysis
Fonseca, Luís Miguel Ciravegna Martins da; Pereira, Teresa; Oliveira, Marisa; Ferreira, Fernanda A.; Busu, MihailPurpose: This research investigates Portuguese manufacturing companies' Industry 4.0 (I4.0) maturity perception level and proposes an index to measure that aim. Design/methodology/approach: This study uses a survey method to gather the companies' perceptions of their I4.0 maturity level and applies subsequent exploratory factor analysis to propose a global I4.0 measurement index. Findings: The research results ...
Time windows vehicle routing problem to on-time transportation of biological pr...
Pereira, Maria Teresa; Oliveira, Marisa; Ferreira, Fernanda A.; Barreiras, Alcinda; Carneiro, LilianaThis paper addresses a Vehicle Routing Problem (VRP) applied to the field of healthcare. Biological products are collected from patients at the local healthcare centers and transported to hospital laboratories for further processing and analysis. This paper analyses and determines a set of vehicle routes to perform on-time transportation of biological products from local healthcare centers to the main hospital,...
Multicriteria Methodology for Selection of a Personal Electric Vehicle
Gomes, Carlos Francisco Simões; Sousa, Francisco; Pereira, Teresa; Oliveira, Marisa; Miranda Torres, Luís NorbertoA methodology that can support the decision process for selecting an Electric Vehicle (EV) is crucial. Considering the quantity, diversity, and complexity of existing EV models, their advantages and disadvantages, and people's increasing concern for sustainability, selecting and buying a personal EV appropriate to one's needs and requirements is not a simple task. Currently, criteria such as price, consumption ...