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Resumen: El presente trabajo ilustra el desarrollo de un enfoque metodológico aplicado a los sistemas de manufactura tipo Pull con el objetivo de determinar la cantidad de Kanbans de Producción que deben ser asignados a varios productos que pasan por ciertas celdas de manufactura. Dicho enfoque se soporta en tres fases. La fase 1 consiste en la utilización de la Simulación Discreta con la cual se modela un caso hipotético de un sistema de producción tipo Pull que contiene tres celdas de manufactura y procesa doce productos. La fase 2 se enfoca en la construcción de un Metamodelo basado en técnicas de regresión, con el cual se explica la relación de las variables independientes que alimentan el modelo de simulación (Cantidad de Kanbans de Producción asignada a cada producto en su correspondiente celda de manufactura) y la variable dependiente (Porcentaje de demanda satisfecha - % Throughput). La última fase consiste en la elaboración de un Algoritmo Genético que involucra en su función objetivo la ecuación del Metamodelo y a través de una búsqueda exploratoria encuentra una solución de buena calidad que indica la cantidad de Kanbans de Producción que deben ser asignados para cada producto en las celdas de manufactura. La aplicación de esta metodología permite determinar para el caso hipotético analizado, el número de Kanbans de Producción a ser asignado en las diferentes celdas de manufactura, de tal manera que se logra un porcentaje de demanda satisfecha del 88.04%.
In the 1950’s, the design and implementation of the Toyota Production System (TPS) within Toyota had begun. In the 1960’s, Group Technology (GT) and Cellular Manufacturing (CM) were used by Serck Audco Valves, a high-mix low-volume (HMLV) manufacturer in the United Kingdom, to guide enterprise-wide transformation. In 1996, the publication of the book Lean Thinking introduced the entire world to Lean. Job Shop Lean integrates Lean with GT and CM by using the five Principles of Lean to guide its implementation: (1) identify value, (2) map the value stream, (3) create flow, (4) establish pull, and (5) seek perfection. Unfortunately, the tools typically used to implement the Principles of Lean are incapable of solving the three Industrial Engineering problems that HMLV manufacturers face when implementing Lean: (1) finding the product families in a product mix with hundreds of different products, (2) designing a flexible factory layout that "fits" hundreds of different product routings, and (3) scheduling a multi-product multi-machine production system subject to finite capacity constraints. Based on the Author’s 20+ years of learning, teaching, researching, and implementing Job Shop Lean since 1999, this book Describes the concepts, tools, software, implementation methodology, and barriers to successful implementation of Lean in HMLV production systems Utilizes Production Flow Analysis instead of Value Stream Mapping to eliminate waste in different levels of any HMLV manufacturing enterprise Solves the three Industrial Engineering problems that were mentioned earlier using software like PFAST (Production Flow Analysis and Simplification Toolkit), Sgetti and Schedlyzer Explains how the one-at-a-time implementation of manufacturing cells constitutes a long-term strategy for Continuous Improvement Explains how product families and manufacturing cells are the basis for implementing flexible automation, machine monitoring, virtual cells, Manufacturing Execution Systems, and other elements of Industry 4.0 Teaches a new method, Value Network Mapping, to visualize large multi-product multi-machine production systems whose Value Streams share many processes Includes real success stories of Job Shop Lean implementation in a variety of production systems such as a forge shop, a machine shop, a fabrication facility and a shipping department Encourages any HMLV manufacturer planning to implement Job Shop Lean to leverage the co-curricular and extracurricular programs of an Industrial Engineering department
This is an ideal introduction to the processes and issues of managing technological innovation and the development of new products. It offers students a contemporary view of innovation management that focuses on the links between groups.
'National Systems of Innovation' presents a new perspective on the dynamics of the national and the global economy. Its starting point is that the international competitiveness of nations is founded on innovation. Which role do different parts of the national system play in determining the long-term dynamics of the economy? What is happening to the coherence of national systems of innovation in an era characterised by far-reaching internationalisation and globalisation? These and other issues are addressed in this volume. Available for the first time in paperback, the book is an invaluable resource for scholars and policy-makers.
On a mountainside in sunny Tuscany, in October 1989, 96 people from 23 countries on five continents gathered to learn and teach about the problems of managing contemporary science. The diversity of economic and political systems represented in the group was matched by our occupations, which stretched from science policy practitioners, through research scientists and engineers, through academic observers of science and science policy. It was this diversity, along with the opportunities for infonnal discussion provided by long meals and remote location, that made the conference a special learning experience. Except at lecture time, it was impossible to distinguish the "students" at this event from the "teachers," and even the most senior members of the teaching staff went away with a sense that they had learned more from this group than from many a standard conference on science policy they had attended. The flavor of the conference experience cannot be captured adequately in a proceedings volume, and so we have not tried to create a historical record in this book. Instead, we have attempted to illustrate the core problems the panicipants at the conference shared, discussed, and debated, using both lectures delivered by the fonnal teaching staff and summaries of panel discussions, which extended to other panicipants and therefore increased the range of experiences reponed.
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Examine cultural tourism issues from both sides of the industry! Unique in concept and content, Cultural Tourism: The Partnership Between Tourism and Cultural Heritage Management examines the relationship between the sectors that represent opposite sides of the cultural tourism coin. While tourism professionals assess cultural assets for their profit potential, cultural heritage professionals judge the same assets for their intrinsic value. Sustainable cultural tourism can only occur when the two sides form a true partnership based on understanding and appreciation of each other's merits. The authors--one, a tourism specialist, the other, a cultural heritage management expert--present a model for a working partnership with mutual benefits, integrating management theory and practice from both disciplines. Cultural Tourism is the first book to combine the different perspectives of tourism management and cultural heritage management. It examines the role of tangible (physical evidence of culture) and intangible (continuing cultural practices, knowledge, and living experiences) heritage, describes the differences between cultural tourism products and cultural heritage assets, and develops a number of conceptual models, including a classification system for cultural tourists, indicators of tourism potential at cultural and heritage assets, and assessment criteria for cultural and heritage assets with tourism potential. Cultural Tourism examines the five main constituent elements involved in cultural tourism: cultural and heritage assets in tourism sites such as the Royal Palace in Bangkok, the Cook Islands, and Alcatraz Prison in San Francisco. tourism--what it is, how it works, and what makes it a success five different types of cultural tourists consumption of products, value adding, and commodification integrating the first four elements to satisfy the tourist, meet the needs of the tourism industry, and conserve the intrinsic value of the asset Though tourism and cultural heritage management professionals have mutual interests in the management, conservation, and presentation of cultural and heritage assets, the two sectors operate on parallel planes, maintaining an uneasy partnership with surprisingly little dialogue. Cultural Tourism provides professionals and students in each field with a better understanding of their own roles in the partnership, bridging the gap via sound planning, management, and marketing to produce top-quality, long-lasting cultural tourism products. Now translated into simplified Chinese.
The book takes a pratical approach to teaching motivational strategies in the language classroom, and gives the teacher 35 motivational strategies that they can use with language learners.
Excerpt from The Entity-Relationship Model: A Basis for the Enterprise View of Data The subject of the logical view of data has attracted considerable attention in the past ten years. However, most researchers have focused on the user View of data. The need for studying the enterprise view of data was not recognized until recently. Different users of a database may have different views of the database, but the enterprise should have a unique and consistent view of the database. This is particularly important in designing a logically meaningful and consistent database. The concept of the enterprise View of data is very useful in the database design process and in. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.