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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.
11

Local Versus Global Control Laws for Cooperative Agent Teams

Parker, Lynne E. 01 March 1992 (has links)
The design of the control laws governing the behavior of individual agents is crucial for the successful development of cooperative agent teams. These control laws may utilize a combination of local and/or global knowledge to achieve the resulting group behavior. A key difficulty in this development is deciding the proper balance between local and global control required to achieve the desired emergent group behavior. This paper addresses this issue by presenting some general guidelines and principles for determining the appropriate level of global versus local control. These principles are illustrated and implemented in a "keep formation'' cooperative task case study.
12

Vision Based Station-Keeping for the Unmanned Underwater Vehicle

Lee, Chen-wei 01 August 2008 (has links)
Station-Keeping is an important capability of the Unmanned Underwater Vehicle in a variety of mission , including inspection and repair of undersea pipeline , and surveillance . Station-Keeping control includes two parts : motion estimation and Station-Keeping control system . In this thesis we propose a monocular vision system for determining the motion of an Unmanned Underwater Vehicle . The vehicle is equipped with a down-looking camera , which provides images of the sea-floor . The motion of vehicle is estimated with a feature-based mosaicking method which requires the extraction and the matching of relevant features . We designed a visual servo control system for maintaining the position of vehicle relative to a visual landmark , while maintaining a fixed depth .
13

Veršelių skirtingo girdymo ir laikymo įtaka jų augimo spartumui / The influence of the different watering and keeping of the calves to the quickness of their growth

Anužienė, Aušra 30 June 2008 (has links)
Darbo tikslas: Išsiaiškinti koks augimo spartumas pasiekiamas girdant veislines telyčaites pienu ir pieno pakaitalu, nustatyti jų kūno išsivystymo skirtumus ir išsiaiškinti, individualaus ir grupinio laikymo įtaką telyčaitėms. Bandymas buvo atliktas 2006 m. spalio–gruodžio mėnesiais, ŽŪB “Bernatoniai“ Kauno rajone. Bandymui buvo atrinkta 20 holšteinų veislės telyčaičių, kurios susirtytos į keturios grupės po 5 telyčaites. Dvi telyčaičių grupės laikytos individualiuose gardeliuose, kos dvi grupės – grupėmis. Iš kiekvienos grupių poros viena telyčaičių grupė buvo girdoma natūraliu šviežiu pienu, o kita – CELTILAIT FITMILK pieno pakaitalu. Pirmomis amžiaus dienomis visos telyčaitės gavo krekenų ir Hokostar vitaminų. Nuo 4 amžiaus dienos visos telyčaitės gavo neribotai, AB “Kretingos grūdai“ veršelių startinio kombinuotojo koncentruotojo pašaro ir šieno. Telyčaičių kūno masės ir išsivystymo kitimas buvo nustatomas jas sveriant ir matuojant atelyčaičių suvartotų pašarų apskaita. Telyčaičių priaugimas buvo nustatomas jas sveriant gimus, o vėliau kas dvi savaites. Tuo pat metu jos buvo matuojamos ir nustatomas jų išsivystymo kitimas. Bandymo metu gauti rezultatai parodė, kad telyčaičių laikomų grupėmis ir individualiuose gardeliuose vystymasis buvo skirtingas, įtakos turėjo ir girdomas produktas. Sparčiausiai augo ir geriau vystėsi grupėje laikytos ir natūraliu pienu girdytos telyčaitės. Jų prieaugis per bandomąjį laikotarpį buvo vidutiniškai 0,486 g (pakaitalu girdytų – 0,465 g)... [toliau žr. visą tekstą] / Goal of the paper: To clarify how quick growth can be achieved watering calves with pedigree heifer milk and milk substitute, to determine the differences in their body development and to find out the influence of individual and group keeping to heifers. This experiment was performed during October-December 2006, at UAB “Bernatoniai”, Kaunas region. 20 heifers of Holstein pedigree were selected for this experiment; they were divided into four groups of five heifers. Heifers from two groups were kept in separate stalls and the other two groups were kept in groups. One of these two groups of heifers was watered with natural fresh milk, and the other group – with milk substitute “CELTILAIT FITMILK”. During the first day of their lives, heifers received first milk and “Hokostar” vitamins. Starting from the forth day of their lives, all heifers were given starting combined concentrated feed of AB “Kretingos grūdai” and hay without any restrictions. The alteration of the heifers’ body mass and development was determined by weighting them and performing the accounting of the feed, consumed by heifers. The gain of heifers was determined by weighting them when they were born and every two weeks. At the same time they were measured and the alteration of their development was determined. The results, achieved during this experiment, showed that development of heifers kept in separate stalls and in groups differed; also it was influenced by the watered product. The most rapid... [to full text]
14

Keeping House: A Home For Saskatchewan First Nations' Artifacts

Orban, Nathan 07 July 2011 (has links)
This thesis focuses on the development of a "Keeping House" near Saskatoon, Saskatchewan, Canada. Although there is an extensive artifact collection in Saskatchewan, many First Nations' artifacts are spread out throughout the province, Canada, and in other countries. These artifacts are living items, with a story, history and ceremony attached to them and they are in need of repatriation through a process which ensures their safety and preservation. This project will offer environments for the safe-keeping of Saskatchewan First Nations' artifacts, as well as areas for teaching and ceremonies. It will also build on the existing historical strengths of the land on which it sits.
15

A study of an inventory system for control of perishable tools

Jacobs, Harold Walter 05 1900 (has links)
No description available.
16

An analysis and evaluation of industrial maintenance spare parts storesrooms and their relationship to inventory control

Morris, George Wendell 05 1900 (has links)
No description available.
17

An investigation of the records kept by supervisors on construction sites

Assadi, Sami Omar Ali January 1997 (has links)
During the execution of a project constructed under the traditional contractual system, separate sets of site records are typically kept by each team of the two main parties on the construction site: the contractor, and the supervisor who looks after the client's interests. While the contractor's prime concern is to construct the project in accordance with the contract documents, one of the site supervisor's main functions is to keep a good record of what actually takes place during the construction process. Identifying the contractor's ability to complete the project on time, confirming that works are carried out correctly, and dealing with contractor's claims, are some instances where site records are likely to be used. It is therefore very important that the record-keeping system adopted by the supervising team provides detailed information in a readily-accessible format to ensure that facts can be established at any time during the construction period, or years later, when disputes may develop. This research programme studied the nature of existing site records kept by construction supervisors, to identify the types of records kept, the use made of them, and the problems and difficulties encountered in maintaining such records. It concentrated mainly on records of progress of construction works. The methodology adopted for undertaking this research, apart from reviewing the relevant literature, involved carrying out preliminary studies and conducting a national survey. The preliminary investigation comprised two studies as follows:• Studying site records kept on a project under construction. • Studying a set of site records kept on a completed project. The national survey, using mailed questionnaires, aimed at determining attitudes held and procedures currently adopted in the site record-keeping process in order that the present state of the art might be determined. The data gathered from the survey, in addition to resolving the research aims and objectives, has been used to investigate a number of assertions made regarding particular areas of construction supervisors' site records. The research findings revealed that the typical set of site records kept by construction supervisors is deficient in a number of respects. Various problems and difficulties relating to the procedures currently adopted by site staff have been identified which will typically affect the quality of these records and hence limit their value. If records are to be more useful, they must be more accessible and this suggests an increasing use of computers. With information held electronically in an organised system, the problems of accessibility should be reduced considerably. In addition to the general conclusions, a number of recommendations to improve site records have been made, including elements of quality procedures for record-keeping, and the potential use of an electronic diary software as a valuable tool for computerising one of the most important sources of site records.
18

Analysis of risk factors in the design and construction of perishable food product displays contributing to back injuries for Company X

Williams, Mark H. January 1998 (has links) (PDF)
Thesis--PlanB (M.S.)--University of Wisconsin--Stout, 1998. / Includes bibliographical references.
19

Positive health: The passport approach to improving continuity of care for low income South African chronic disease sufferers

Parak, Yusuf January 2017 (has links)
Research Problem: The South African health system faces numerous challenges associated with its status as a middle-income developing nation. Wasteful expenditure and poor clinical outcomes arise from inefficient inter-organizational communication of patient information and the lack of a centralized health database. Research question: How does the experience of chronic disease patients with their health information inform the development of future health records in low income population groups? Proposition: Exploration of patient and health care workers experiences of medical records can inform their future development to enhance continuity of care. Objectives, methodology, procedures and outcome: Identification of an appropriate format, technological basis and functional design of a prototype medical record system by means of a phenomenological study conducted through in-depth interviews of patients and doctors in order to improve clinical care. Left and right hermeneutics were used to analyse the data and develop themes. Findings: Health records play a critical role in the clinics workflow processes, document the patients' management and clinical progress. They are an important intermediary in the relationship between the patient and the facility. Inefficiencies in the paper-based system lead to ineffective consultations, loss of continuity of care and discord between practitioners and patients. Improvement of the records format is required to provide ubiquitous access to health and improve patient health literacy.
20

Multi-echelon inventory control for interrelated and vertically integrated firms /

Ballou, Ronald H. January 1966 (has links)
No description available.

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