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8687 Uppsatser om Alternating serial reaction time task - Sida 4 av 580

Anpassning och optimering av checkprogram för AW139

Presently Sjöfartsverket do their maintenance according to a standard program, which means that every maintenance task will be done when the task limit occurs. This leads to a very long downtime for the aircraft in some occasions and very short downtime in others. The goal with this work is to reach a higher regularity of the aircraft operation. To reach a higher regularity for the operational needs, this work will present a hypothetic better maintenance concept for Swedish Maritime Administration. The concept is based on equalized maintenance structure, which means that every maintenance occasions are meant to take the same time to perform.

Uterummet i undervisningen : en läromedelsanalys inom biologi

This paper describes Tempus Custode, a smartphone application with which the user may register working hours and travel time during the work day. The application communicates with a database via a server. The data stored in the database may be manipulated using an administrator tool, mainly for the composition of time reports. In this way, the user?s task of time reporting his day is greatly simplified.The application is able to automatically discriminate between work time and travel time, as it continuously fetches positioning data from the smartphone GPS receiver.

Avfyrnings-/relälåda

This is a report of our examination project in electronics carried out for Bofors Test Center in Karlskoga. The task was to construct an electronic devise for starting up different kinds of measuring systems in exact time during test sequences. The modules that are used today are old and unreliable. Our goal was to construct a prototype, which later on is supposed to be developed into a useful system..

Kulturskapare eller serviceorgan? : en studie över folkbibliotekets uppdrag i samhället idag

The subject of this thesis is to ascertain the task of the public library in Swedish society today according to the employer, that is the State and the municipalities, and according to the public library itself. The thesis also tries to establish as to what extent these different actors share the same view of the task. To this purpose I have studied the library law, the target reports of municipal authorities and public libraries, and made interviews with public library representatives during the autumn of 2001. The particular consideration of this paper is whether the task is being described in active, culture making terms or in passive, service functionary terms. Initially, I describe the task according to the library law.

Är Marknaden Varse om Varsel? : En studie om den svenska kapitalmarknadens reaktion på varsel om uppsägning

The purpose of this study is to examine the capital market reaction generated by layoff announcements. The study takes place in Sweden and tests 138 news concerning layoffs which are categorized according to a content analysis. They are divided as: positive or negative news. The layoffs are also divided into three subgroups with varying sizes: 0,98 percent or less, between 0,99 and 4,49 percent or 4,5 percent or larger. The study uses an event study method to measure the reaction of the capital market.

Utvärdering av sökmaskiner - en textanalys kring utvärderingar av sökmaskiner på Webben

The purpose of this thesis is to analyse studies that evaluate Web search engines. This is done in four categories; the researchers? purpose, the evaluation measurements, the relevance, and the time aspect. Our method is based on a text analysis in which we use the direction of analysis of the content of sixteen evaluation experiments. Our results indicate fundamental differences in the way the researchers are tackling the problem of evaluation of Web search engines.

Power supply monitoring for wireless sensor platforms

Most of the portable electronic devices use a battery as a primary power source. Nowadays, when the applications are becoming smaller and smaller and more power efficient, the designer needs to concentrate more on reducing power consumption, using secondary power sources and introducing power storage devices. Multiple power source availability and a power storage device on the board will make the applications much more useful and efficient in everyday use. This thesis proposes a power supply unit (PSU) for wireless sensor platforms which is capable of supplying a sensor node with energy from multiple sources, as well as status information from the PSU. Present power storage devices, like electric double-layer capacitors (EDLCs) and batteries, have become more and more common as their characteristics have developed.

När naturen leker : hur barnets relation till naturen framställs i filmen ?Granne med Totoro?

The landscape architect is similar to the moviemaker in that they both want to mediate an experience with their creations. The landscape architect designs playgrounds and the moviemaker makes movies for children, but how does the relationship between children and nature look like in the landscape formed by the movie maker?s fantasy? The purpose with this thesis is to study how the relationship between child and nature is depicted in a movie as a medium, by analysing ?My neighbour Totoro?, a Japanese animated movie from 1988 by Hayao Miyazaki. The analysis consists of two combined analyses, Experiential Landscape Analysis and Gordon Cullen?s Serial Vision, both of which analyse the relationship between a human being and her environment as well as the emotional changes that occur as she moves in it.

Resurseffektivt bussprotokoll o?ver RS-485

This report describes the design and implementation of a multi-master, packet based protocol for small and tiny microcontrollers where resources are limited. The protocol was named "Tiny Controller Network" or TCN for short. The protocol is meant mainly as a control bus for automation and sensor acquisition applications but due to its flexibility can also be used for other purposes as well. It borrows some of its functionality and design ideas from the well known CAN bus and Modbus but also has a number of major differences like the use of standard hardware and time synchronisation. One of the key aspects during the design was the use of very little system resources and common on-chip hardware peripherals like a UART.

Objektdetektering i SAR- och IR-bilder

This report treats detection in IR-pictures taken from airplanes over the ground. The detection is divided in two parts. First there is a detection with filterkernels with the task to point on targets and objects that look like targets. The second part is a discriminator that demands more calculations and has the task to sort out the false alarms from the discriminator. Both the detector and the discriminator contain thresholds thats been trained from trainingsets of data.

Utveckling av I/O-modul för trafikskyltsystem

This thesis has been carried out in collaboration with LEDtec International AB. LEDtec focuses on innovative solutions in LED screens. Everything from large advertising signs to welcome signs in cities, to screens indicating speeds or warning of heavy traffic. The task was to was to help them develop a new version of the control board that is used in some of their products. The reason for this is that their old control board is obsolete and the components that are on it, is no longer manufactured or in need to be renewed.

Digital elevdokumentation : från implementation till praktiskt arbete

It is statutory that teachers shall document their student's development of knowledge in different subjects. The teachers employed by Sundbybergs municipality have been commissioned to do the documentation in the web-based electronic system Projekt- och Omdömesdatabasen, P.O.D.B. The purpose of this study was to investigate witch effect the IT-solution P.O.D.B has brought for the teachers in their task of student documentation. By conducting interviews and questionnaire studies I have been looking for answers to if the target achievements have increased by using the IT-solution, and if the teachers are aware of what they may or may not write about their students in the system. The conclusions I have been able to draw through my studies are that the teachers have accepted the commission to use P.O.D.B.

Relationen mellan motivation och målorientering, upplevd förmåga samt uppfattat motivationsklimat hos gymtränande kvinnor och män

The purpose was to examine relations between motivation and goal orientation, perceived ability and perceived motivational climate among persons working out in gym. Another purpose was to study differences in motivation, perceived ability and motivational climate among men and women. The final purpose was to study interactional effects on the dependent variable motivation. The participants were 59 men and 69 women. The instruments used were Task and Ego Goal Orientation in Sport Questionnaire (TEOSQ), Harter´s Competence scale and part of Mahoneys R-5 test.

Instruktionsfilm på smartphones : En studie kring upplevelsen av video via smartphones som inlärningsverktyg för praktiska färdigheter

This study examined how users interact with a smartphone while in a learning situation based on videos via smartphones as a learning tool, and how this interaction and phenomena is experienced. The five test subject were separately given the same task that they were to solve using video instructions that were picked out and given to them. After finishing the task the subjects were observed while they demonstrated how they completed the task. After the observation the subject were interviewed using semi-structured interviews. The results show that the user experience of this phenomena is based on more pragmatic values than we could find in earlier studies, i.e.

Låna på eget ansvar? Franska folkbibliotekarier om medieurval i samspel med låntagare

The aim of this master thesis is to examine which criteria are generally used to guide pub­lic librarians in their acquisitions' decision. The study went ahead in France, principally at La Bibliotheque municipale de Lyon. It also includes a view of some special library services in the social field.Twenty persons were interviewed and an attempt was made to divide their answers into three sections: acquisition routines and criteria for media purchase, how to receive the library visi­tors and their influence on the acquisitions, and, finally, the librarians' own opinions on the matter. One important question was whether censorship is applied and in that case, would it be a deliberately way of acting or rather a spontaneous reaction, more or less unconscious.Censorship in real or manifested through a self-preservative reaction turned out to be a factor closely dependant on the library's financial situation. Many librarians affirmed they would find useful some kind of a written practical library acquisition policy..

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