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1
tesis de grado
Publicado 2024
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Este artículo de investigación se centra en la implementación del modelo Lean Manufacturing y la filosofía TQM en una empresa del sector juguetero que presenta dificultades en cuanto a la elección de sus mejores proveedores, el control de su oferta para la demanda y almacenamiento, y la estandarización de sus procesos. Estos problemas resultan en una baja rotación de inventarios, afectando directamente el impacto económico. El objetivo general de esta investigación es aumentar la tasa de rotación de inventario. Un árbol de problemas identificó las causas raíces, permitiendo el desarrollo de un modelo basado en la implementación de herramientas Lean Warehousing como 5s, trabajo estandarizado, Slotting, Master Planning Schedule y TQM. Posteriormente, el modelo propuesto fue validado mediante una simulación en el software Arena y una prueba piloto. Finalmente, el modelo aumen...
2
tesis de grado
Publicado 2024
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The purpose of this research work is to improve the replenishment of inventories in a retail company, due to is essential for any company to meet the demand for the product. This is why through the percentage of canceled orders in the retail company and by an Ishikawa diagram it was determined that the problem was that they did not have distribution centers so the logistics process produced cost overruns. Through the methodology applied the improvement proposal is divided into three stages, which consist of the collection of information and diagnosis of Hubs logistics, the design, and validation of the improvement proposal, and finally the viability, risks, and times it would take to execute the proposal. These stages determine that the solution to take would be to place a logistics hub that would support distribution as a low-cost warehouse. It is concluded that it is feasible to implem...
3
tesis de grado
Publicado 2025
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The objective of the research work is to reduce the stock of a company in San Martín, Peru, that offers the installation service of solar thermal heaters. First, a brief description is presented, the background of the organization and an evaluation of the company's indicators to find the problem under study. With this we find the technical gap of 31.11% during the year 2022, which was calculated with the difference of 47.78% of stock outage cases of the company studied compared to 16.67% of a trading Mype found within the analysis of 40 articles by scientists. Subsequently, the design of the solution is proposed linking the root causes with the ABC Classification, Material Requirements Planning and Economic Order Quantity. The latter were analysed and the positive contribution to the solution of the problem was concluded. Subsequently, the development of the proposal is known in detail,...
4
tesis de grado
Publicado 2023
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In Peru, commercial SMEs currently represent 35% of the total, showing an average annual growth of 3.3%. However, they are facing increasing challenges in logistics management due to the growth in demand and deficiencies in the supply chain as a result of the international situation. This case study addresses the problem of stock-outs and purchase planning, which represent the greatest impact on the economic loss for the company studied. For these, the implementation of the 5S methodology is proposed hand in hand with the Visual Management in order to have a better control of the stock and improve the work flow, in addition, the purchase planning is proposed from the application of the DDMRP tool with the objective of being able to meet the demand and have lower losses due to expiration of products. For the analysis of the problem and the proposal approach, a focus was made on the main p...
5
tesis de grado
Publicado 2025
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This scientific article aims to demonstrate the usefulness of the application of a novel inventory management model based on 3 tools: A control system for incoming and outgoing goods, a process monitoring system managed through a KANBAN canvas and a continuous improvement system based on a PHVA cycle to improve the logistics management of an SME in the retail sector. especially in the control of inventory accuracy and availability indicators. It was based on an initial diagnosis of the processes of the logistics area of the company under study, then appropriate inventory management policies were implemented, and the processes were re-engineered. The next step was to design a Dashboard to control the inflows and outflows of goods, which takes the information from the company's ERP and allows it to anticipate omissions in the processes. Finally, staff were trained and a process monitoring ...
6
artículo
With the implementation of the basic equipment of radio frequency identification technology (RFID) 1, are better able to train teachers in the specialty of Industrial Engineering and Engineering Textiles and clothing, and their undergraduate and graduate Industrial Engineering faculty. With this new, modern laboratory technology is among the best and modern facilities of public and private universities. By introducing the curriculum laboratory identification technology (RFID), may enable students and disseminate this training to the employees of companies, seeking to improve the teaching-learning: reducing inventories, tracking of orders , reducing operating costs and labor, better use of reusable assets of the company (pellets, cargo trucks, etc.).
7
artículo
Publicado 2025
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This article presents a case of a company dedicated to the sale, installation, and service of air conditioning and heating. The company has no internal inventory control in its warehouses. In the period 2022-2023, a total of 3 043 problems related to warehouse management were recorded, with an average of 84,53 problems/month. These deficiencies have led to economic setbacks, project delays, inadequate delivery times and the impossibility of guaranteeing their quality certification objectives in the short term. The objective of this study is to reduce these problems. As a methodology, lean manufacturing tools such as 5S, kaizen and kanban are implemented. After the implementation of the improvement, the problems in the warehouses were reduced to 79, with an average of 26,3 problems/month by the end of June and beginning of November 2023. It is concluded that the application of lean manufa...
8
artículo
Publicado 2023
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The research was carried out at the Molecular Immunology Center (CIM), a Cuban biotechnological institution dedicated to basic research, development, and manufacture of products for the treatment of cancer and other autoimmune diseases. The research problem addressed the poor management of inventories in companies, which is largely a consequence of the lack of procedures that enable the good performance of the logistics process. The objective of the research was the implementation of the inventory management procedure aimed at planning, managing, and controlling the necessary inventories without affecting the quality of the services, based on the analysis of indicators, description of logistics flows, and application of the Inventory Reference Model (MRInv). Different techniques and tools—including interviews, direct observation, surveys, documentary analysis, Minitab statistical softw...
9
artículo
Publicado 2023
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The research was carried out at the Molecular Immunology Center (CIM), a Cuban biotechnological institution dedicated to basic research, development, and manufacture of products for the treatment of cancer and other autoimmune diseases. The research problem addressed the poor management of inventories in companies, which is largely a consequence of the lack of procedures that enable the good performance of the logistics process. The objective of the research was the implementation of the inventory management procedure aimed at planning, managing, and controlling the necessary inventories without affecting the quality of the services, based on the analysis of indicators, description of logistics flows, and application of the Inventory Reference Model (MRInv). Different techniques and tools—including interviews, direct observation, surveys, documentary analysis, Minitab statistical softw...
10
tesis de grado
Publicado 2025
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In recent decades, Peru has experienced a 2.8% GDP growth, thanks to the gastronomic sector. Engaging in the food business has thus become a robust source of income for the country. Despite this, certain companies face internal issues related to the stocks managed by restaurants, as their staff lacks the necessary knowledge to handle inventory. This results in a 9.7% loss of sales within the sector, while the analyzed company incurs a 17% loss. For this reason, this article has developed a solution to this problem in a rotisserie chicken company, which lacks an inventory management system. Studies pinpoint the cause of stockouts to a poor estimation of consumer demand. However, this study consolidated, in addition to consumer behavior, other factors such as the proper planning of raw material purchases, their quality, the level of service provided by the restaurant, and supplier complian...
11
tesis de grado
Publicado 2025
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Muchas empresas mayoristas no usan un control adecuado de su nivel de inventario, y variables como la demanda de productos varían continuamente por la estacionalidad y las tendencias del mercado, generando costes que reducen la rentabilidad de la empresa y producen insatisfacción de los clientes con el servicio ofrecido. En este trabajo proponemos la aplicación de un método para reducir el nivel de incertidumbre y riesgo en las ventas y simular la aplicación de una política de revisión continua de inventarios. Utilizando la demanda mensual de la empresa mayorista y considerando la maximización del beneficio, se eligió el modelo de series temporales ARIMA, desarrollado a través del lenguaje de programación R, y luego modelado en el software Arena los resultados de la previsión encontrada. La relevancia del estudio es presentar herramientas de mejora de inventarios que favorezc...
12
tesis de grado
Publicado 2023
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Logistics is an area that determines, in many cases, the prosperity of a company. Regardless of its size, the search for new tools, procedures and management techniques has increased in recent years. In the mining sector, the 49,9% of companies do not have an inventory control mechanism; therefore, a low turnover of this. This can be for three reasons: inefficient purchasing policy, inadequate demand planning, and inadequate storage method. For this reason, a model conformed by the following tools was developed: ABC classification, JIT, MRP, and inventory management. Likewise, the Arena Software was used in an SMEs that imported drill bits for the mining industry to validate the described model. The results were a 62% improvement over the purchasing policy, a 73% decrease in cycle time, and only the use of one worker for theimport process, allowing the other worker to be in another area....
13
artículo
Publicado 2024
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Paramo ecosystems are complex and of great value for biodiversity. Their complexity currently makes them fragile due to climate change and the increase in the agricultural and livestock frontier threatens the variety of birdlife in these areas. This research was carried out in the high Andean ecosystem, specifically on the Ruta del Hielero de Bolívar, covering an area of 9 km that begins at 4361 meters above sea level at the entrance to the Chimborazo Fauna Production Reserve and concludes at 3500 meters above sea level in the Mirador Playa Urcu 4 kilometers from the Community of Quindigua Central, Ecuador. The study included various climatic zones that host endemic flora, crucial for the subsistence of avifauna adapted to these habitats. This research aims to determine the species of birds that exist on the Route and locate their sighting points. The methodology applied consisted...
14
artículo
Publicado 2025
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The objective of this research was to implement inventory management to improve productivity in the warehouse area of an agro-industrial company Motupe. The research is of an applied type with a descriptive scope of quasi-experimental design, using instruments for data collection such as interviews with the warehouse manager and collaborators, as well as documentary analysis for the collection of both variables. Diagnostic tools such as Ishikawa and Pareto diagrams were applied to identify problems such as disorder and lack of cleanliness, absence of signage, absence of productivity indicators, poor material control, lack of training, and non-standardized processes. It was proposed to implement the 5S technique, ABC classification, determine productivity indicators, create material output control forms, create a training plan, and design a dispatch process. In the last three months, effi...
15
tesis de grado
Publicado 2025
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According to León & Torre (2016), in recent years the growth of the market and competitors in the industrial sector requires faster, more reliable dispatch at a lower price. As a result of this analysis, the design of an improvement proposal for the management of the supply warehouse of a metalworking company based on the DDMRP methodology was considered relevant. This improvement seeks to standardize the warehouse's operational processes and reduce the average inventory level. Likewise, the proposal was validated by simulating the normal warehouse flow in Python. At the conclusion of the study, it was demonstrated that the implementation of the tools described above allows a reduction in the inventory level of 6.23% and it was proven that the DDMRP methodology allows the implementation of an inventory management system that guarantees better control and visualization of the inventory o...
16
tesis de grado
Publicado 2023
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El sector industrial de alimentos ha crecido de forma constante en los últimos 3 años, incluso en el primer trimestre del presente año se ha presentado un incremento interanual de 12,5 %. Sin embargo, se ha identificado que mantener stocks elevados impacta negativamente en los resultados financieros de las empresas; ya que, conlleva a invertir en almacenamiento, costos logísticos, entre otros. Por ello, en el presente proyecto profesional se propone un modelo de estrategia de control de inventario para optimizar los niveles de stock de los ítems de mantenimiento; esta clasificación es relevante más aún cuando se refiere a las industrias que inician su proceso con especies vivas donde tener la maquinaria en óptimas condiciones es vital para mantener la cadena de frío antes y después del procesamiento. Para comprobar la propuesta se ha realizado la implementación parcial y se c...
17
artículo
Publicado 2025
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Inventory is a fundamental part of the resource management of any company. There are different, each with specific characteristics and functions according to the needs and objectives of the organization. In this research, tools such as classification by ABC model, establishment of policies and FIFO procedure were applied, allowing an inventory system to be designed for a paint marketing company to have adequate control, classification and rotation of merchandise with the objective of reducing losses. economical for obsolete products. With the analysis of the diagnosis carried out, it was possible to detect more than 100 existing products that were considered obsolete, generating a significant cost for the company. In addition, it was possible to identify nearly 400 products that were poorly located within the warehouse, being able to classify them appropriately. In conclusion, the result...
18
artículo
Publicado 2025
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Inventory is a fundamental part of the resource management of any company. There are different, each with specific characteristics and functions according to the needs and objectives of the organization. In this research, tools such as classification by ABC model, establishment of policies and FIFO procedure were applied, allowing an inventory system to be designed for a paint marketing company to have adequate control, classification and rotation of merchandise with the objective of reducing losses. economical for obsolete products. With the analysis of the diagnosis carried out, it was possible to detect more than 100 existing products that were considered obsolete, generating a significant cost for the company. In addition, it was possible to identify nearly 400 products that were poorly located within the warehouse, being able to classify them appropriately. In conclusion, the result...
19
tesis de grado
Publicado 2023
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The present investigation is carried out in an importing and marketing company belonging to the food industry in Peru, which presented deficiencies in its warehouse management. These were reflected in the technical gap of its storage indicators compared to the average in the industry. For this reason, this study proposes a model based on the lean warehousing philosophy, supported by Kanban, 5S and supplier approval tools in order to achieve an improvement in warehouse management, which is reflected in the indicator of inventory turnover. It is important to highlight that the importance of this research lies not only in the approach of a management model for a sector that is rarely referred to in the literature, but also in the favorable applicability of this model based on a philosophy that allowed speeding up processes in warehouse, thus optimizing outbound logistics. In this way, it wa...
20
tesis de grado
Publicado 2024
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En la actualidad, el sector de empresas de consumo masivo atraviesa por distintas dificultades especialmente en el área de almacenamiento y entrega de productos. El desconocimiento y una mala organización de los inventarios provoca retrasos en los envíos, lo cual genera una gran insatisfacción en los clientes, así como costos logísticos muy altos. El presente trabajo es un caso de estudio enfocado en la simulación y mejora de una empresa peruana de consumo masivo por lo que se centra en la búsqueda de herramientas de ingeniería con las cuales se solucionarán los principales problemas acerca de la gestión de inventarios y demanda; y así lograr una mejora en la coordinación de los procedimientos del centro de distribución. Por ello, el propósito de esta investigación es proponer nuevas técnicas de pronóstico e implementar una nueva política de gestión de inventarios, me...
