Download or read book Improving the Parametric Method of Cost Estimating Relationships of Naval Ships written by Jeremy Ungtae Lee and published by . This book was released on 2014 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: In light of recent military budget cuts, there has been a recent focus on determining methods to reduce the cost of Navy ships. A RAND National Defense Research Institute study showed many sources of cost escalation for Navy ships. Among them included characteristic complexity of modem Naval ships, which contributed to half of customer driven factors. This paper focuses on improving the current parametric cost estimating method used as referenced in NAVSEA's Cost Estimating Handbook. Currently, weight is used as the most common variable for determining cost in the parametric method because it's a consistent physical property and most readily available. Optimizing ship design based on weight may increase density and complexity because ship size is minimized. This paper will introduce electric power density and outfit density as additional variables to the parametric cost estimating equation and will show how this can improve the early stage cost estimating relationships of Navy ships.

Download or read book A Parametric Cost Model for Estimating Operating and Support Costs of U S Navy Non Nuclear Surface Ships written by James M. Brandt and published by . This book was released on 1999-06-01 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: With few effective decision-making tools to assess the affordability of major weapon systems, management of total ownership costs is continually misunderstood. Cost analysis provides a quick and reliable assessment of affordability. Because there is no standardized method for calculating reliable estimates of operating and support (O&S) costs (the principal component of total ownership cost), this thesis formulates a parametric cost model which can be used to determine the annual O&S costs of U.S. Navy (non-nuclear) surface ships based on known (or assumed) physical characteristics and manpower expectations. Source data for the cost model is obtained from the Navy Visibility and Management of O&S Costs (VAMOSC) database, a historical cost database maintained by the Naval Center for Cost Analysis (NCCA). Through standard regression and data analysis techniques, cost estimating relationships are developed for three major cost drivers: ship light displacement, ship overall length, and ship manpower. The formulated parametric cost model is a top-level and fairly reliable representation of average annual O&S cost, and it can be used by the DOD cost community to perform component cost analyses or independent cost estimates.

Download or read book A Parametric Cost Model for Estimating Acquisition Costs of Conventional U S Navy Surface Ships written by Kirk J. Loftus and published by . This book was released on 1999-09-01 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: When attempting to predict the acquisition costs of U.S. Navy surface ships, current models cannot produce a repeatable answer when the details of the acquisition program are not well defined. This thesis formulates a parametric model that predicts the average procurement cost of a conventional U.S. Navy surface ship based upon known (or assumed) physical and performance characteristics. The source data for the cost model is obtained from U.S. Weapons Systems Costs, a tabulation of annual procurement costs for major system programs, published by Data Search Associates. Standard regression techniques return cost estimating relationships able to predict average procurement cost from ship light displacement, ship overall length, ship propulsion shaft horsepower or number of propulsion engines. The formulated parametric cost model is approximate and appropriate only for rough order of magnitude studies, but can be used by the DoD cost community to produce justifiable estimates when other models do not have sufficient information to generate an answer.

Download or read book Simple Relationships for Estimating Procurement Cost of U S Navy Ship Categories written by Pythagoras Cutchis and published by . This book was released on 1982 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: A common first step in estimating costs of naval ship categories is to use a linear relationship based on ship displacement. Such estimates represent rough initial approximations. This process can be used, however, with better accuracy to estimate the cost of procurement of aggregations of naval ships and classes. Cost estimating relationships (CERs) are developed in this paper for such applications.

Download or read book International Scientific Siberian Transport Forum TransSiberia 2021 written by Aleksey Manakov and published by Springer Nature. This book was released on 2022-03-17 with total page 1595 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents innovations in the field of high-speed rail technology, hyperloop transportation technologies and Maglev system, information and communication technology (ICT) for intelligent transportation systems (ITS), multimodal transportation, sustainable freight transportation, and others. The papers presented in the book are proceedings of the annual scientific forum “TransSiberia”, which is the foremost Russian transport event that focuses on innovations in rail transport. The book also presents research in the field of railway engineering, health monitoring, inspection, NDT&E, and signal processing. Developments in the field of decarbonization of railway transport and new types of fuel as an alternative to electrification are proposed. The issues of sustainable operation and maintenance of railway systems and sustainable freight transportation, such as digitalization and AI technologies for sustainable asset management, operation, and maintenance of railway systems, have received a lot of research attention. The book serves as a medium for railroad academia and industry to exchange new ideas and share the latest achievements, as well as to continue supporting the productivity of the transport industry in a sustainable manner.

Download or read book Cost Estimating Relationship for U S Navy Ships written by William J. E. Shafer and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Use of the Joint Generalized Least Squares Estimation Technique in the Aggregation of Subsystem Cost Estimating Relationships for Ships written by Arthur William Newlon (Jr) and published by . This book was released on 1973 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study addresses the problem of uncertainty in the aggregation of subsystem cost estimating relationships for destroyer type naval ships. The case of correlations between subsystems is discussed with respect to total cost estimates, total cost variance, and prediction intervals. The joint generalized least squares method is developed and applied to the ship cost estimating problem. (Modified author abstract).

Download or read book Why Has the Cost of Navy Ships Risen written by Mark V. Arena and published by Rand Corporation. This book was released on 2006 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past several decades, increases in acquisition costs for U.S. Navy combatants have outpaced the rate of inflation. To understand why, the authors of this book examined two principal source categories of ship cost escalation (economy-driven factors and customer-driven factors) and interviewed various shipbuilders. Based on their analysis, the authors propose some ways the Navy might reduce ship costs in the future.

Download or read book Cost Estimating Relationships for U S Navy Ships written by W. J. E. Shafer and published by . This book was released on 1983 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cost estimating relationships based on the observed (reported) cost and weight (full load displacement) of U.S. Navy ships are derived for the purpose of applying these cost estimating relationships to ships in the fleets of both the U.S. and USSR. This application results in broad, general comparisons that, in the aggregate, provide useful trend comparisons. These cost estimating relationships produce varying results on a class basis, but within each group or category of ships the class overestimates tend to be offset by class underestimates to yield a relatively small category error. This paper updates major portions of IDA Paper P-1530, Simple Relationships for Estimating Procurement Cost of U.S. Navy Ship Categories, dated March 1982.

Download or read book Cost Estimating Relationships for Naval Surface Ship Electronic Warfare Equipment written by Raymond Edward Moore (III.) and published by . This book was released on 1975 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study addresses the problem of estimating the development, procurement, and installation costs of surface ship electronic warfare equipment of the future. The Cost Estimating Relationships (CERs) were developed using the following factors: year of development, weight, volume, sensitivity, power output, gain, complexity and dummy variables for active equipment, equipment designed for large ships and one for those designed for small ships. Cost estimates are made for three systems presently under development by Raytheon Company and Hughes Aircraft Company under a design-to-price program.

Download or read book A Statistical Analysis of Surface Escort Cost Estimation written by Cecil D. Bradley and published by . This book was released on 1988 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study investigates the relationship of the component weights of US Navy Surface Escort Ships and their corresponding costs of construction. The procedures of various US Navy agencies who conduct Surface Ship Costing are described, with emphasis upon the method followed by COMNAVSEASYSCOM, Washington D.C. A statistical analysis is provided which focuses upon multiple linear regression techniques applied to the weight/cost relationship. Additionally, the research includes the investigation of non-weight explanatory variable contribution to the various regression models. The analysis concludes that linear relationships do exist between the variables. The statistical evidence provided suggests that linear regression provides equivalent results to non-linear logarithmic transformation of the dependent cost variable. Further, the analysis indicates that the inclusion of non-weight dummy variables, such as contract type for vessel construction, enhance models with strictly weight explanatory variables. The models developed herein lack the precision demanded of budgetary cost estimating. However, the equations will generate point estimates that may add credence to existing methods, especially within concept formulation or tradeoff studies. Keywords: Cost estimation, Surface ship cost estimation, Statistical analysis of ship costing, Theses. (SDW).

Download or read book Estimation of Destroyer Type Naval Ship Procurement Costs written by Donald Mearns Hernon and published by . This book was released on 1973 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report presents three models by which the total procurement cost of Destroyer and Destroyer Escorts may be estimated. One model uses 9 subsystem cost estimating relationships (CERs) to obtain a total cost estimate; the second model uses 4 subsystem CERs; the final model is a single total cost equation. The CERs were developed using the linear least squares regression technique on a data base of ships built from 1954-66. The CERs use input variables that may be determined long before actual ship construction begins. This fact, and the precision of the model estimates, recommend usage of these models in cost-effectiveness analysis. The Patrol Frigate Project is used as a sample application, wherein model estimates compare favorably with the current NAVSHIPS cost estimates. (Author).

Download or read book Cost Estimating Relationships for Naval Surface Ship Electronic Warfare Equipment written by Raymond Edward Moore and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Estimation of Destroyer Type Naval Ship Procurement Costs written by and published by . This book was released on 1973 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report presents three models by which the total procurement cost of Destroyer and Destroyer Escorts may be estimated. One model uses 9 subsystem cost estimating relationships (CERs) to obtain a total cost estimate; the second model uses 4 subsystem CERs; the final model is a single total cost equation. The CERs were developed using the linear least squares regression technique on a data base of ships built from 1954-66. The CERs use input variables that may be determined long before actual ship construction begins. This fact, and the precision of the model estimates, recommend usage of these models in cost-effectiveness analysis. The Patrol Frigate Project is used as a sample application, wherein model estimates compare favorably with the current NAVSHIPS cost estimates. (Author).

Download or read book Cost Estimating Relationship Associating Engineering Drawing Quality with Installation Cost Growth for USN Ship Alterations written by Kurt Willstatter and published by . This book was released on 1988 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an analysis of existing feedback in the Fleet Modernization Program (FMP) planning and design process using the FFG-7 class of ships as a case study. This analysis attempts to relate the engineering drawing revision rate (inverse measure of drawing quality) and the number of ships affected by those drawing revisions (measure of availability concurrence) to the cost growth attributable to the FMP portion of U.S. Navy ship availabilities. Due to the lack of actual cost data, budget estimates were used as a surrogate and unfortunately firm relationships could not be established. However, the methodology developed has potential for application to any large ship class which may experience numerous concurrent availabilities, as actual cost data become available. It is meant to be a tool for the engineering design agent to assess the financial impact of the quality of engineering design products on the installing activities and to assess the potential value of policy changes which improve the quality of those products. Keywords: Data bases, Theses, Regression statistics. (KR).

Download or read book Cost Estimation of Naval Ship Acquisition written by In Hwa Baik and published by . This book was released on 1983 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The acquisition of major weapon systems is an extremely complex process involving interrelationships between a number of organizations. This thesis presents a general procedure and develops parametric cost estimate for Naval ship acquisition cost. Two different models are developed, one a 9-subsystem model, the other a single total cost model. The models were developed using the linear least squares regression technique with MINITAB statistical program on a data base of Destroyer type ships built in 1954-1966. A comparison of these two estimates with the existing RMC model's estimate was examined for Patrol Frigate construction data. The 9-subsystem estimate could be compared favorably with the RMC model cost estimate. (Author).

Download or read book Improved Cost Estimating Techniques written by LOGISTICS MANAGEMENT INST WASHINGTON D C. and published by . This book was released on 1970 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cost estimating, as used in this report, is the technique of forecasting how much the Government will pay for future development and acquisition of hardware, such as for an aircraft, a ship, a tank, or components and parts. Three approaches to cost estimating are briefly described: analogy, parametric, and engineering.