Selecting electromechanical drive systems
著者
書誌事項
Selecting electromechanical drive systems
（Studies in production and engineering economics, 10）
Elsevier, 1990
- タイトル別名
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Ocena i wybór układów elektromechanicznego przetwarzania energii
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注記
Translation of: Ocena i wybór układów elektromechanicznego przetwarzania energii
Includes bibliographical references
内容説明・目次
内容説明
The assessment and rational choice of electromechanical drive systems requires that technical features as well as economic features be taken into consideration. Other features which also appear in the system of general operation are for instance, ease of transportation, assembly, and maintenance. The boundaries between some of the features mentioned are not always clear cut. By approaching the system in this way however the relative importance of individual features of the system can be analysed. This volume presents an overview of diverse methods for assessing and choosing the proper variants of an electromechanical drive system for various operational machine drives. The design of electric energy production and transmission systems, for both their technical and, to a certain extent, economic properties, together with other features, are taken into account. Relevant index values are determined and assessed for each method. Further chapters give examples of how to formulate target functions; evaluations of working limitations; and reviews of assessment methods and system choices.
目次
Contents: 1. Method of choice of an electromechanical drive system variant by means of economic efficiency indices. Fundamentals. General formulae for economic efficiency indices. Economic choice criteria of electromechanical drive systems based on economic efficiency indices. Detailed formulae of economic efficiency indices. Dependence of quantities appearing in economic efficiency index formulae on some technical and operational electromechanical drive system data. Choice of variant of electromechanical drive system. 2. Application of the method of economic efficiency indices to the choice of variant of an electromechanical drive system. Determination of variants of electromechanical drive systems which fulfill operating machine demands. Slip power problem. Relationship of structure and power in an electromechanical drive system, to some of its economic features. Examples of applying the economic efficiency indices method to the system choice. 3. Choice of variant of electromechanical drive system by the method of payback time and net income. The payback time method. The net income calculation method. Examples of applications of the methods described in the choice of an electromechanical drive system. 4. The possibility of utilizing mathematical programming for variant assessment and choice in an electromechanical drive system. Basic relations which determine the linear programming task. Suitability of some linear programming methods for choosing electromechanical drive systems. Examples of linear programming applications. Land-doig programming method in integers. Remarks on the suitability of some nonlinear programming methods when choosing electromechanical drive systems. 5. Utilization of marginal programming for the assessment and choice of electromechanical drive systems. Lagrange method of undetermined multipliers. Example of Lagrange multiplier method utilization. 6. The point method of choosing an electromechanical drive system. Weighting factors and point assessment of individual system features intensity. Formulae of the quality factor. Criterion for choosing a system variant by means of the point method. Some specific cases of the point method application. Example of point method applications. 7. Minimax method for variant assessment and choice of an electromechanical drive system. Regret minimax method. Examples of minimax and regret minimax method applications to the choice of electromechanical drive systems. 8. Some selected problems connected with the assessment and choice of electromechanical drive systems. The problem of choosing between constructing one system or several minor systems. Choosing the power of an electromechanical drive system, depending on its operational costs. 9. Conclusion. Bibliography. Index.
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