Capacity Oriented Analysis And Design Of Production Systems
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Capacity Oriented Analysis And Design Of Production Systems
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Author : M.B.M. de Koster
language : en
Publisher: Springer
Release Date : 2012-06-20
Capacity Oriented Analysis And Design Of Production Systems written by M.B.M. de Koster and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-06-20 with Business & Economics categories.
In production systems there are often capacity oriented performance objectives, like a desired total throughput, a desired average throughput time and average work in-process. Such performance objectives are expressed in "units of products" rather than in specific product types. This book presents a way of modeling and analyzing production systems so, that such capacity oriented performance criteria can be measured in a simple way. The model consists of three basic elements. 1. The product types in the system are aggregated. 2. The product flow is modeled as being continuous. 3. The machines in the model have a finite number of states. Each state has a phase-type sojourn distribution and an associated production speed. Transitions between the states are determined by an irreducible Markov transition matrix. In the book both the mathematical properties and the practical applicabilities of the model are investigated. The model is extensively analyzed for various layouts, like flow lines, assembly disassembly systems and networks where parallel machines share common buffers. Furthermore various ways of controlling the product flow in the model are investigated, such as Base Stock Control, Workload Control, control by finite buffers and control by the Reorder Point System. An approximation technique is developed for a quick estimation of performance measures like throughput and average work-in-process, for networks with layouts and control techniques like those above-mentioned.
Capacity Oriented Analysis And Design Of Production Systems
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Author : M.B.M. de Koster
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Capacity Oriented Analysis And Design Of Production Systems written by M.B.M. de Koster and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Business & Economics categories.
In production systems there are often capacity oriented performance objectives, like a desired total throughput, a desired average throughput time and average work in-process. Such performance objectives are expressed in "units of products" rather than in specific product types. This book presents a way of modeling and analyzing production systems so, that such capacity oriented performance criteria can be measured in a simple way. The model consists of three basic elements. 1. The product types in the system are aggregated. 2. The product flow is modeled as being continuous. 3. The machines in the model have a finite number of states. Each state has a phase-type sojourn distribution and an associated production speed. Transitions between the states are determined by an irreducible Markov transition matrix. In the book both the mathematical properties and the practical applicabilities of the model are investigated. The model is extensively analyzed for various layouts, like flow lines, assembly disassembly systems and networks where parallel machines share common buffers. Furthermore various ways of controlling the product flow in the model are investigated, such as Base Stock Control, Workload Control, control by finite buffers and control by the Reorder Point System. An approximation technique is developed for a quick estimation of performance measures like throughput and average work-in-process, for networks with layouts and control techniques like those above-mentioned.
Queueing Theory In Manufacturing Systems Analysis And Design
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Author : H.T. Papadopolous
language : en
Publisher: Springer Science & Business Media
Release Date : 1993-09-30
Queueing Theory In Manufacturing Systems Analysis And Design written by H.T. Papadopolous and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-09-30 with Technology & Engineering categories.
The objective of the book is to acquaint the reader with the use of queueing theory in the analysis of manufacturing systems.
Process Oriented Analysis
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Author : Urs B. Meyer
language : en
Publisher: CRC Press
Release Date : 2006-09-18
Process Oriented Analysis written by Urs B. Meyer and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-09-18 with Business & Economics categories.
In modern manufacturing, it is not simply the equipment that is increasingly complex but rather the entire business system in which a company operates. Convoluted supply chains, complicated resource flows, advanced information systems: all must be taken into account when designing or reengineering a manufacturing system. Introducing a powerful yet
Design Of Flexible Production Systems
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Author : Tullio Tolio
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-12-11
Design Of Flexible Production Systems written by Tullio Tolio and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-12-11 with Technology & Engineering categories.
In the last decade, the production of mechanical components to be assembled in final products produced in high volumes (e.g. cars, mopeds, industrial vehicles, etc.) has undergone deep changes due to the overall modifications in the way companies compete. Companies must consider competitive factors such as short lead times, tight product tolerances, frequent market changes and cost reduction. Anyway, companies often have to define production objectives as trade-offs among these critical factors since it can be difficult to improve all of them. Even if system flexibility is often considered a fundamental requirement for firms, it is not always a desirable characteristic of a system because it requires relevant investment cost which can jeopardize the profitability of the firm. Dedicated systems are not able to adapt to changes of the product characteristics while flexible systems offer more flexibility than what is needed, thus increasing investment and operative costs. Production contexts characterized by mid to high demand volume of well identified families of products in continuous evolution do not require the highest level of flexibility; therefore, manufacturing system flexibility must be rationalized and it is necessary to find out the best trade-off between productivity and flexibility by designing manufacturing systems endowed with the right level of flexibility required by the production problem. This new class of production systems can be named Focused Flexibility Manufacturing Systems-FFMSs. The flexibility degree in FFMSs is related to their ability to cope with volume, mix and technological changes, and it must take into account both present and future changes. The required level of system flexibility impacts on the architecture of the system and the explicit design of flexibility often leads to hybrid systems, i.e. automated integrated systems in which parts can be processed by both general purpose and dedicated machines. This is a key issue of FFMSs and results from the matching of flexibility and productivity that respectively characterize FMSs and Dedicated Manufacturing Systems (DMSs). The market share of the EU in the machine tool sector is 44%; the introduction of focused flexibility would be particularly important for machine tool builders whose competitive advantage is based on the ability of customizing their systems on the basis of needs of their customers. In fact, even if current production contexts frequently present situations which would fit well with the FFMS approach, tradition and know-how of machine tool builders play a crucial role. Firms often agree with the focused flexibility vision, nevertheless they decide not to pay the risk and efforts related to the design of this new system architecture. This is due also to the lack of well-structured design approaches which can help machine tool builders to configure innovative systems. Therefore, the FFMS topic is studied through the book chapters following a shared mission: "To define methodologies and tools to design production systems with a minimum level of flexibility needed to face, during their lifecycle, the product and process evolution both in the technological and demand aspects. The goal is to find out the optimal trade-off between flexibility and productivity". The book framework follows the architecture which has been developed to address the FFMS Design problem. This architecture is both broad and detailed, since it pays attention to all the relevant levels in a firm hierarchy which are involved in the system design. Moreover, the architecture is innovative because it models both the point of view of the machine tool builder and the point of view of the system user. The architecture starts analyzing Manufacturing Strategy issues and generating the possible demand scenario to be faced. Technological aspects play a key role while solving process plan problems for the products in the part family. Strategic and technological data becomes input when a machine tool builder performs system configuration. The resulting system configurations are possible solutions that a system user considers when planning its system capacity. All the steps of the architecture are deeply studied, developing methods and tools to address each subproblem. Particular attention is paid to the methodologies adopted to face the different subproblems: mathematical programming, stochastic programming, simulation techniques and inverse kinematics have been used. The whole architecture provides a general approach to implement the right degree of flexibility and it allows to study how different aspects and decisions taken in a firm impact on each other. The work presented in the book is innovative because it gives links among different research fields, such as Manufacturing Strategy, Process Plan, System Design, Capacity Planning and Performance Evaluation; moreover, it helps to formalize and rationalize a critical area such as manufacturing system flexibility. The addressed problem is relevant at an academic level but, also, at an industrial level. A great deal of industrial sectors need to address the problem of designing systems with the right degree of flexibility; for instance, automotive, white goods, electrical and electronic goods industries, etc. Attention to industrial issues is confirmed by empirical studies and real case analyses which are presented within the book chapters.
Production Control
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Author : J. W. M. Bertrand
language : en
Publisher: North-Holland
Release Date : 1990
Production Control written by J. W. M. Bertrand and has been published by North-Holland this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Business & Economics categories.
Over the past 15 years the authors have been engaged in projects with many firms to analyse and redesign production and inventory control systems. The main purpose of this analysis and redesign was the reduction of inventory and costs, improvement of delivery performance, and simplification of the organization involved in production and inventory control. During these studies the authors became convinced that the knowledge available on the design of control systems places too much emphasis on techniques and methods, whereas the main concern should be to establish a proper control structure. This control structure should identify the main decision functions, their goals, their relationships, and the organizational position to which these decision functions should be assigned. For each decision function in the control structure, a global planning and decision procedure should be established. This book gives a comprehensive overview on the elements of a good production control structure. It examines approaches for possible structures, and how to select an adequate structure for a particular production situation. The book consists of two parts: The first part covers basic terms and ideas regarding the design of production and inventory control systems in general. The second part examines four case studies from essentially different production areas. The volume is intended for postgraduate students in such fields as production and inventory control, logistics, information systems and practitioners who are working in this field on a high organisation level.
Industrial Assembly
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Author : Shimon Y. Nof
language : en
Publisher: Springer Science & Business Media
Release Date : 1997-04-30
Industrial Assembly written by Shimon Y. Nof and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-04-30 with Business & Economics categories.
Industrial Assembly is a rapidly changing field with significant importance in production. This book is the first of its kind to combine technology, design, methods, and planning and control models of assembly operations and systems. With the increasing importance of assembly in industry and of simultaneous engineering approaches, this timely publication provides: comprehensive coverage of technological, engineering, and management aspects of this field; multi-disciplinary approaches to rationalization of assembly operations and systems; explanation of qualitative models, information technologies, and design techniques, which have been practised effectively in industrial assembly; as well as theoretical foundations and emerging trends that shape the future of assembly.
Modern Production Concepts
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Author : Günter Fandel
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Modern Production Concepts written by Günter Fandel and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Business & Economics categories.
Modern production concepts can be considered as an essential field of economics nowadays. They help to give valuable insights and thus provide important competitive advantages. There is a broad variety of new approaches to Production Planning and Control (PPC), Just-in-Time (JIT), Flexible Manufacturing Systems (FMS), Flexible Automation (FA), Automated Guided Vehicle Systems (AGVS), Total Quality Control (TQC), and Computer Integrated Manufacturing (CIM), all of which are indispensable cornerstones in this context. This book presents in a condensed and easy-to-comprehend form the different contributions of a group of internationally recommended scientists. The varied approaches to modern production concepts are not only based on theoretical foundations but also go one step further in that they present the implementation of these concepts and methods in detail. This close link with practical aspects will help to illuminate the theoretical material for researchers and students in universities. The book will be of major importance for practitioners involved in solving everyday industrial problems. The interdisciplinary nature of these contributions will help to create a new and valuable perspective on the field of production concepts.
Performance Analysis Of Flow Lines With Non Linear Flow Of Material
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Author : Stefan Helber
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Performance Analysis Of Flow Lines With Non Linear Flow Of Material written by Stefan Helber and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Mathematics categories.
Flow line design is one of the major tasks in production management. The decision to install a set of machines and buffers is often highly irreversible. It determines both cost and revenue to a large extent. In order to assess the economic impact of any possible flow line design, production rates and inventory levels have to be estimated. These performance measures depend on the allocation of buffers whenever the flow of material is occasionally disrupted, for example due to machine failures or quality problems. The book describes analytical methods that can be used to evaluate flow lines much faster than with simulation techniques. Based on these fast analytical techniques, it is possible to determine a flow line design that maximizes the net present value of the flow line investment. The flow of material through the line may be non-linear, for example due to assembly operations or quality inspections.
Production Control In Practice
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Author : Henny Van Ooijen
language : en
Publisher: John Wiley & Sons
Release Date : 2024-05-09
Production Control In Practice written by Henny Van Ooijen and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-05-09 with Technology & Engineering categories.
Production Control in Practice Practice-oriented coverage of production planning and control processes for goods and services, written for any industry Production Control in Practice explores the operational control of production and inventory processes in organizations across industries, covering both tangible and intangible products and offering viable, efficient solutions to characteristic production control problems, such as what goods to produce when and how. A number of examples/stylized applications are included to help readers understand and apply the discussed concepts and theories to their own organizations. This book distinguishes between the control of production units and the control of goods flow between these units and the market and discusses various coordination and material supply control mechanisms relevant to supply chains. It also presents a typology of production situations found in practice, using a structured approach to discussing the relevant control decisions for each situation. This book is unique because (basic) control decisions are discussed for the different characteristic Decoupling Point Control and Production Unit Control situations from a holistic point of view, taking into account both mathematical considerations as well as various situational factors. Sample topics covered in Production Control in Practice include: Terminology and concepts used in production control, including complexity, uncertainty, and flexibility Types of release triggers, covering just-in-time versus just-in-case and push versus pull in logistics Horizontal and vertical decomposition, and time series-related forecasting for stationary demand versus demand with trend Order size, covering optimal batch size in case of fixed order size, relaxation of assumptions, and single period considerations MRP systems, covering Material Requirements Planning (MRP-I) and Manufacturing Resource Planning Systems (MRP-II) With excellent coverage of the subject across different products and industries and several examples to help readers follow along, Production Control in Practice is an ideal reference for bachelor students from universities of applied sciences and academic bachelor students, as well as practitioners in related disciplines.