Operations Research, 2/E - site edition by R. Panneerselvam. Download it once and read it on your site device, PC, phones or tablets. Use features like. It emphasizes the role of operations research not only as an Numerous new examples that explain the operations research concepts better. Help · Advanced Book Search · Get print book. No eBook available Operations Research. Front Cover. R. Panneerselvam. Prentice Hall India Pvt., Limited, - Management - pages. 0 Reviews QR code for Operations Research.
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download Operations Research by Panneerselvam PDF Online. Ebook. Engineering Management. ₹ ₹ download this Ebook. 85% Off. Ebook ( Days). bestthing.info: Operations Research: Contents Preface 1 Overview of Operations Operations Research: R. Panneerselvam From Vedams eBooks ( P) Ltd. OPERATIONS RESEARCH: Edition 2 - Ebook written by R. PANNEERSELVAM. Read this book using Google Play Books app on your PC, android, iOS devices.
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The machines are arranged in a line or product layout. Product and process standardisation exists and all outputs follow the same path. Mass Production is characterised by 1. Standardisation of product and process sequence. Dedicated special purpose machines having higher production capacities and output rates. Large volume of products.
Shorter cycle time of production. Lower in process inventory. Perfectly balanced production lines. Flow of materials, components and parts is continuous and without any back tracking.
Production planning and control is easy. Material handling can be completely automatic. Advantages Following are the advantages of Mass Production: 1. Higher rate of production with reduced cycle time.
Higher capacity utilisation due to line balancing. Less skilled operators are required. Low process inventory. Manufacturing cost per unit is low. Limitations Following are the limitations of Mass Production: 1. Breakdown of one machine will stop an entire production line. Line layout needs major change with the changes in the product design.
High investment in production facilities. The cycle time is determined by the slowest operation. The items are made to flow through the sequence of operations through material handling devices such as conveyors, transfer devices, etc. Continuous Production is characterised by 1. Dedicated plant and equipment with zero flexibility. Material handling is fully automated. Process follows a predetermined sequence of operations. Component materials cannot be readily identified with final product.
Planning and scheduling is a routine action. Advantages Following are the advantages of Continuous Production: 1. Manpower is not required for material handling as it is completely automatic.
Operations Management Concepts 7 5. Person with limited skills can be used on the production line.
Unit cost is lower due to high volume of production. Limitations Following are the limitations of Continuous Production: 1. Flexibility to accommodate and process number of products does not exist. Very high investment for setting flow lines. Product differentiation is limited. Right Quality: The quality of product is established based upon the customers need.
The right quality is not necessarily being the best quality. It is determined by the cost of the product and the technical characteristics as suited to the specific requirements. Right Quantity: The manufacturing organisation should produce the products in right number. If they are produced in excess of demand the capital will block up in the form of inventory and if the quantity is produced in short of demand, leads to shortage of products.
Right Time: Timeliness of delivery is one of the important parameter to judge the effectiveness of production department. So, the production department has to make the optimal utilization of input resources to achieve its objective. Right Manufacturing Cost: Manufacturing costs are established before the product is actually manufactured.
Hence, all attempts should be made to produce the products at pre-established cost, so as to reduce the variation between actual and the standard pre-established cost.
Operations in an organisation can be categorised into Manufacturing Operations and Service Operations. Manufacturing Operations is a conversion process that includes manufacturing yields a tangible output: a product, whereas, a conversion process that includes service yields an intangible output: a deed, a performance, an effort.
It converts physical resources into outputs, the function of which is to satisfy customer wants. Everett E.
In some of the organisation the product is a physical good breakfast in hotels while in others it is a service treatment in hospitals. Bus and taxi services, tailors, hospital and builders are the examples of an operations system. The basic elements of an operation system show in Figure 1. A departmental store's has an input like land upon which the building is located, labour as a stock clerk, capital in the form of building, equipment and merchandise, management skills in the form of the stores manager.
Output will be serviced customer with desired merchandise. Random fluctuations will be from external or internal sources, monitored through a feedback system. Late delivery Fig. Operation managers are concerned with planning, organising, and controlling the activities, which affect human behaviour through models. Planning is the activity that establishes a course of action and guide future decision-making. The operations manager defines the objectives for the operations subsystem of the organisation, and the policies, and procedures for achieving the objectives.
It also involves product planning, facility designing and using the conversion process. Organizing is the activities that establish a structure of tasks and authority. Operation managers establish a structure of roles and the flow of information within the operations subsystem.
They determine the activities required to achieve the goals and assign authority and responsibility for carrying them out. Controlling is the activities that assure the actual performance in accordance with planned performance. To ensure that the plans for the operations subsystems are accomplished, the operations Operations Management Concepts 9 manager must exercise control by measuring actual outputs and comparing them to planned operations management.
Controlling costs, quality, and schedules are the important functions here. Behaviour: Operations managers are concerned with the activities, which affect human behaviour through models. They want to know the behaviour of subordinates, which affects managerial activities. Their main interest lies in the decision-making behaviour. Models: Models represents schematic representation of the situation, which will be used as a tool for decision-making. Following are some of the models used.
Aggregate planning models for examining how best to use existing capacity in short term, break-even analysis to identify break-even volumes, Linear programming and computer simulation for capacity utilisation, Decision tree analysis for long-term capacity problem of facility expansion, simple median model for determining best locations of facilities, etc. Monks defines Operations Management as the process whereby resources, flowing within a defined system, are combined and transformed by a controlled manner to add value in accordance with policies communicated by management.
They must bring together under production plan that effectively uses the materials, capacity and knowledge available in the production facility.
Control must be exercised over such parameters such as costs, quality and inventory levels. The definition of the operations Management contains following keywords: Resources, Systems, transformation and Value addition Activities.
Human resources are the key assets of an organisation. As the technology advances, a large proportion of human input is in planning and controlling activities. By using the intellectual capabilities of people, managers can multiply the value of their employees into by many times.
Material resources are the physical facilities and materials such as plant equipment, inventories and supplies. These are the major assets of an organisation.
Capital is a store of value, which is used to regulate the flow of the other resources. The business systems are subsystem of large social systems. In turn, it contains subsystem such as personnel, engineering, finance and operations, which will function for the good of the organisation. A systems approach to operations management recognises the hierarchical management responsibilities. If subsystems goals are pursued independently, it will results in sub-optimization.
A consistent and integrative approach will lead to optimization of overall system goals. The system approach to specific problems requires that the problem first be identified and isolated from the maze of the less relevant data that constitute the environment. The problem abstracted from the overall macro environment. Then it can be broken into manageable micro parts and analysed and solutions proposed.
Doing this analysis is advantageous before making any changes. If the solution appears to solve the problem in a satisfactory way, changes can be made to the real system in an orderly and predictable way. The ability of any system to achieve its objective depends on its design and its control. System design is a predetermined arrangement of components.
It establishes the relationships that must exist between inputs, transformation activities and outputs in order to achieve the system objectives.Thanks to the author. It converts physical resources into outputs, the function of which is to satisfy customer wants. Free shipping for individuals worldwide Usually dispatched within 3 to 5 business days.
Each chapter starts with an introduction that gives a brief overview of the theory and process involved in solving the given type of problem. The effectiveness of the production factors in the transformation process is known as productivity.
Initialisation engineering, Stocks pdf Notes. MCA not or of Ebooks.
Operations Research Problems
Rent the eBook Rental duration: 1 or 6 month low-cost access online reader with highlighting and note-making option can be used across all devices About this Textbook The objective of this book is to provide a valuable compendium of problems as a reference for undergraduate and graduate students, faculty, researchers and practitioners of operations research and management science.
Read more. Breakdown of one machine will stop an entire production line.
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