Construction of a formal methodology to refine a spares suite using TIGER by Steven Anthony Castillo

Cover of: Construction of a formal methodology to refine a spares suite using TIGER | Steven Anthony Castillo

Published by Naval Postgraduate School, Naval Postgraduate School, Available from the National Technical Information Service in Monterey, California, Monterey, Calif, Springfield, Va .

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This thesis proposes a method for setting inventory levels for a suite of spares for a ship subsystem. The method extends the one proposed by Judge and Leutjen which uses a computer simulation model called TIGER to modify the levels of shipboard spare parts determinated by a sparing model. By combining TIGER and the Availability Centered Inventory Model (ACIM), one of the coordinated shipboard allowance list (COSAL) models currently used in the U.S. Navy, our method is able to achieve the same level of operational availability for ship systems at less cost. Keywords: Inventory control; Theses; Simulation; Spares; Operational availability; Reliability. (jhd)

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Book details

StatementSteven A. Castillo
ContributionsNaval Postgraduate School (U.S.)
The Physical Object
Pagination63 p. ;
Number of Pages63
ID Numbers
Open LibraryOL25519976M

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Introducing Formal Methods Formal Methods for Software Specification and Analysis: An Overview L 5 2 Software Engineering and Formal Methods nEvery Software engineering methodology is based on a recommended development process proceeding through several phases:» Analysis,Specification,Design,Coding,Unit Testing, Integration and System Testing File Size: 53KB.

A Review of Formal Methods This is the table of contents for the full version which may be purchased for $30 from the DACS Product Order Form. The table of contents for the on-line version is here. Introduction Definition Use of Formal Methods Limitations of Formal Methods Specification Methods Semantic Domains.

Formal Methods: Analogy with Engineering Math (ctd.) • Formal methods: same idea, applied to computational systems • The applied math of Computer Science is formal logic • So the models are formal descriptions in some logical system E.g., a program reinterpreted as a mathematical formula rather than instructions to a machine • And calculation is mechanized by automated deduction.

Finally, formal methods has been successfully applied to finding mistakes in specifications and rooting out bugs in computer code.

Unfortunately, hopes that formal methods will one day provide the full mathematical proof of the total correctness of an entire system, as described in Chap. 3, have dwindled. The scalability of the approaches has.

Why formal methods A formal specification is precise, unambiguous, structured, consistent, abstract. Benefits: • facilitates precise recording/communication of ideas • enables mathematical analysis (e.g. correctness) • forces intellectual control of a problem • bridges the gap between the ”informal world” (requirements, design.

34 videos Play all Formal Methods in Software Engineering Course Pak Project An introduction to Formal Verification Part 1 - Duration: Symbiotic EDA 3, views. Formal Methods, Algebraic Specifications, Theorem Provers.

INTRODUCTION The teaching of specifications and formal methods plays a crucial role in the training of software engineering professionals. Formal methods provide systematic and rigorous techniques to reduce ambiguities and inconsistencies in software development.

In Formal Methods Europe FME '96, volume of Lecture Notes in Computer Science, pagesOxford, UK, March Springer-Verlag. Di Vito, Ben L., and Roberts, Larry W., Using formal methods to assist in the requirements analysis of the Space Shuttle GPS Change Request.

NASA Contractor ReportNASA Langley Research Center, August. Preparedby:SharifOmarSalem–[email protected] The use of formal methods can contribute to the reliability and robustness of a design.

However, the high cost of using formal methods means that they are usually only used in the development of high-integrity systems, where safety or security is of utmost importance. Transport, communications. Formal methods are a mathematically based techniques and tools for the specification, design and verification of software systems.

Formal methods can be useful in: 1-Articulating, and representing requirements. 2-Specifying software: developing a precise statement of what the software is to do.

3-Software design. Data refinement. all Model. The waterfall model is one of the most traditional and commonly used software development methodologies for software development.

This life cycle model is often considered as the classic style of the software development. This model clarifies the software development process in a linear sequential flow that means that any phase in the development process begins only if the. Project scope—it’s a moving target and one you want to get a bullseye on before you map out your project.

Defined as the sum of all resources, deliverables, features, and tasks within a given project, your project scope is the boundary in which your entire project exists.

engineering methods for fracture mechanics using two-dimensional approximations that yeild reliable results are required for more-accurate, structural integrity prediction methodology. In addition, methods that compute reliable, stress intensity factors for various crack geometries using stresses obtained from uncracked stress analysis models.

Green building approaches are spreading to industrial plants and other types of construction. Design Methodology. While the conceptual design process may be formal or informal, it can be characterized by a series of actions: formulation, analysis, search, decision, specification, and modification.

CASE STUDY - TIGER TOOLS 2 Executive Summary The role of Quality Control in an industry cannot be underestimated. It is a concept applicable to most industries, if not all, and represents one of the most important elements in production and operations management.

Earlier this year, Tiger Tools, a division of Drillmore industries, contemplated to launch a new product into the market. A mixed methods approach has recently emerged which combines quantitative and qualitative methods into a new methodology.

Choice of methodology is heavily influenced by the research question. Formal methods is an area of computer science concerned with using computers to help with the intellectual tasks of designing, specifying, and building software and hardware.

Elements of that work include using formal logic to write specifications and prove. THE METHOD OF SECTIONS In the method of sections, a truss is divided into two parts by taking an imaginary “cut” (shown here as a-a) through the truss.

Since truss members are subjected to only tensile or compressive forces along their length, the internal forces at the cut members.

Profit Guidelines for Construction - Alternate Structured Approach. Program Management Agreement (PMA) Template v SoHaR RAM Commander Spare Parts Analysis and Optimization.

Space Acquisition Process Chart. Tiger-Availability Centered Inventory Model (Tiger-ACIM) TIP QA Quality Management Solutions. 6+ Free Construction Quote Templates. May 19th, 12+ Free Quote Letter Templates.

April 27th, 10+ Free Word quotation templates. April 16th, 9+ Free Word Quote Templates. April 1st, Bid Quote Template. February 11th, 10+ Service quote templates. March 17th, Formal methods are viewed with a certain degree of suspicion. While formal methods research has been progressing since 's, formal methods are only being slowly accepted by engineers.

There are several reasons for this, but most of the problems seem to be a result of misapplication. The use of formal methods can slow the delivery of the first software increment, but they may also reduce the amount of rework during product lifetime if the requirements do not change.

Supplementing agile methods with formal methods can help ensure that all requirements have been met (Sterling, ). Formal methods are controversial. Healthcare leaders are working hard to continuously refine and advance their processes in order to improve patient care, reduce costs, and improve the patient’s overall experience and satisfaction–the Triple care project management skills have become increasingly important to businesses, including the healthcare industry, because they help control costs, manage risk, and.

Using the JSP technology correctly, business logic computations should not be in the embedded Java part of the JSP. JSP should be used to render the presentation of the static and dynamic data.

Depending on the complexity of the data, % separation is not easy to achieve. Using custom tags, however may help to get closer to %. Purpose of Curriculum Design. Teachers design each curriculum with a specific educational purpose in mind.

The ultimate goal is to improve student learning, but there are other reasons to employ curriculum design as example, designing a curriculum for middle school students with both elementary and high school curricula in mind helps to make sure that learning goals are aligned.

Using the same situation as above, let's assume that you have $10, invested in the company, and your expected sales volume is 1, units in the first year. You want to recoup all your investment in the first year, so you need to make $10, profit on 1, units, or $10 profit per unit, giving you a price of $60 per unit.

How to Write a Hypothesis. A hypothesis is a description of a pattern in nature or an explanation about some real-world phenomenon that can be tested through observation and experimentation. The most common way a hypothesis is used in Views: 1M. The READEX methodology described in the following sections targets scalable scientific applications running on future large-scale systems.

These applications commonly exhibit structured hierarchical parallelism, i.e., continuous iterations in a time-stepping loop with domain decomposition using a combination of MPI and OpenMP to exploit multiple levels of parallelism available.

Examine the critical role of materials and methods for the design and construction of buildings. The primary focus is on materials and systems, their properties and connections, and their intrinsic relationship to structural systems and environmental performance.

Students will develop a fundamental understanding of: the relationship of materiality to construction systems and techniques, how.

Duke and G. Rose, Formal Object Oriented Specification Using Object-Z. Cornerstones of Computing Series (editors: R. Bird, C.A.R. Hoare), Macmillan Press, March (Object-Z text book with many good examples, can be found at the Science Library) G. Smith, The Object-Z Specification Language Kluwer Academic Publishers, (a wonderful.

A thesis statement is, essentially, the idea that the rest of your paper will support. Perhaps it is an opinion that you have marshaled logical arguments in favor of. Perhaps it is a synthesis of ideas and research that you have distilled into one point, and the rest of your paper will unpack it and present factual examples to show how you arrived at this idea.

Context definition is - the parts of a discourse that surround a word or passage and can throw light on its meaning. How to use context in a sentence. context, in Context. 5 Prototyping and Experimental StressAnalysis Table Machining variables for some common thermoplastics Sawing Sawing Lathe Lathe Material Variable (Circular) (Band) (Turn) (Cutoff) Drilling Milling Reaming Acetals Speed (sfpm) – – – – – – Feed (in/rev) Fast,smooth Fast,smooth – – – –0.

In “What is Evidence?” I wrote:1 This is why rationalists put such a heavy premium on the paradoxical-seeming claim that a belief is only really worthwhile if you could, in principle, be persuaded to believe otherwise. If your retina ended up in the same state regardless of what light entered it, you would be blind Hence the phrase, “blind faith.”.

Fabrication drawings Fabrication drawings are made for parts with permanently fixed pieces. The method of fastening is called out on the drawing with symbols or other standard methods. Welded and riveted parts require fabrication drawings.

The Design Process. The design process (Fig. ) starts with a concept or an idea. Design methods Two design methods are allowed by the AASHTO-LRFD Specifications.

Method A, specified in S, is applicable to plain, steel reinforced and fiber glass reinforced elastomeric pads as well as cotton duck pads.

Method B, specified in S, is. Developmental programs don’t have to be expensive and may take numerous forms. Formal classroom training or online courses are only one way to help your team expand their talents.

Most learners need to be engaged to deeply learn a new skill or gain knowledge. That’s why other types of development may be even better than a course, and include.

A Study Resource for Depression Era Furniture. If you want to study up on this type of furniture before you head out shopping again, look for a copy of Furniture of the Depression Era by Robert W. and Harriett Swedberg, published by Collector Books (now out of print but available through used booksellers online).

In addition to a price guide — which may or may not be accurate depending on. Generally speaking, some formal training in operations research is necessary in order to appreciate how many of these methods work and the interested reader is urged to peruse an introductory text on O.R.; the section on "Further Reading" at the end of the chapter lists some good books.

A third type of musk-ox skull is, however, known from North America, namely one from the celebrated Big-Bone Lick, Kentucky, on which the genus and species Bootherium bombifrons was established, which differs from all the others by its small size, convex forehead and rounded horn-cores, the latter being very widely separated, and arising from the sides of the skull.The purpose of formal methods is to enable the construction of large, highly reliable software.

Their foundation is the precise specification of the run-time properties that a software system is expected to satisfy. The case for having precise specifications is fairly obvious: without a precise specification of the software system to be built.Formal Systems (Europe) Ltd run a range of Z, CSP and other formal methods courses.

Contact Kate Pearson (tel +, fax +) at Formal Systems (Europe) Limited, 3 Alfred Street, Oxford OX1 4EH, UK.

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