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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Reliability test of a RIFD system for tool management on construction sites

Kalla, Naresh 15 May 2009 (has links)
In the construction industry, one of the aspects that affect the productivity of the construction crew is the availability of tools and supplies. Unavailability of tools and supplies results in a delay of the project, which in turn increases the cost of the project. If any such delays on job sites could be reduced, it would help the construction industry in reduction of time and cost losses. The construction industry is in need of a technology that would improve the presentday tool management system (TMS) to reduce the construction costs from delays in projects. Radio Frequency Identification (RFID) technology offers the possibility that tools and supplies, tagged with RFID devices, could be tracked down automatically. Although the potential of RFID is real, it does have limitations like any other technology. Without understanding and working with the limitations of RFID, this technology may disappoint many before its true and significant capabilities are realized. Before the technology is executed fullfledged, it needs to be tested for reliability on construction sites in particular. Researchers, from many parts of the world, have performed tests to understand the reliability of the RFID technology considering variables like metal interferences, reading range, multiple tag identification, etc. But these tests conducted could not discuss all the factors that may affect the reliability of the technology. This paper identifies other factors that might affect the reliability of RFID technology and tests are conducted to understand the influence of these factors on the readability of the RFID tags. Number of tools and the velocity with which tools are taken across the portal are two variables that are tested for reliability of RFID. Tests are conducted using the experiment setup that resembles a construction site tool management room entrance/exit. Results show a radical decrease in the readability of tags, while the numbers of the tools are increased gradually. And also, when the tools were taken across the RFID portal with gradual increasing velocity, the readability reduced. These results prove that both the tested parameters have an effect on the reliability of RFID technology for tool tracking.
2

Rozšíření programového systému pro řízení nástrojového hospodářství NAHOS o správu technologických údajů k vybraným typům nástrojů / Extension of tool management information system

Moravčík, Jan January 2008 (has links)
The aim of this thesis was the implementation of technological data management for individual tools and tool assembly in the information system NAHOS. This management in NAHOS system is accomplished by user forms, which are created by XML and SQL languages. The theoretical part of this thesis deals with tool management and information systems in general. The practical part of this thesis presents my own individual modifications in the information system NAHOS.
3

Návrh technologie výroby zadané součásti / Technology for a selected part

Pavliš, Jan January 2020 (has links)
The thesis convey the information about creation of technology for the production of a part assigned by the company Frentech Aerospace s.r.o. The teoretical part is focused on analysis to problematic of machining. The practical part describes production of given part now and proposal new production plan also with tool management. The conclusion of thesis is devoted to economical evaluation of both production plans.
4

Vytvoření modulu SERIZOVNY v programovém subsystému pro řízení nástrojového hospodářství NAHOS. / Creating of the SW module

Közl, Radim January 2008 (has links)
The aim of this diploma thesis is to create module adjusting of tools for NAHOS information system developed on VÚSSaR FSI VUT Brno a ÚVI FT UTB ZlínTAJMAC - ZPS a.s., where system is applied. Theoretical part contains analysis of preparation activities for tools for manufacturing process – assembling, measuring and adjusting tools. Practical part contains database design and forms for NAHOS system. In this part the SQL language in database system MS Access is used. The solution uses elements of NAHOS system, which are accessible using XML language.
5

Development Of A Tool Management System For A Job Shop

Budak, Basar Onur 01 January 2003 (has links) (PDF)
A tool management system for a job shop was developed in this study. The system is based on the rules of the plant of T&uuml / rk Trakt&ouml / r ve Ziraat Makineleri A.S. in Ankara. An object-oriented methodology was used during the system development. Unified Modeling Language (UML), which is the standard diagramming notation for object-oriented development, is used to model the system. Entity-Relation (E-R) modeling is used during the construction of the database. System was developed using three-tiered Microsoft Windows Distributed Internet Applications (DNA) Architecture. Microsoft Visual Basic 6.0 and Visual InterDev 6.0, which are the members of Microsoft Visual Studio 6.0 were used as programming tools. Internet Information Server was used as web server and Microsoft Transaction Server was used as object broker. Microsoft SQL Server was used as database server. Software was developed in three modules: gage-fixture, cutting tool-tool holder and tool requirement plan modules. Gage- fixture module tracks the location of measuring equipment, fixture and fixture assemblies / keeps the related data about these tools and manage calibration of the measuring equipments. Cutting tool-tool holder module tracks the issue and return of cutting tools and tool holders / sharpening of cutting tools / keeps the related data about these tools. Tool requirement plan module tracks the purchase orders and cutting tool receivings from vendors / prepares tool requirement plan and suggests purchase orders according to the requirement calculation.

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