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3989 Uppsatser om Dynamic range control - Sida 50 av 266
Modell av en synkronmaskin för PSCAD/EMTDC med magnetisk mättning i d-led och elektriskt gränssnitt för fältmatare
This report describes a synchronous machine model with magnetic saturation in d-axis, neutralconnection and electrical exciter interface for the transient simulator PSCAD/EMTDC. It hasbeen designed and verified in comparison to the regular machine model in EMTDC.The performance of the model is very good when incorporating a linear as well as a saturatedmagnetising inductance. The dynamic deviation is only thousandths to ten thousandths perunit. By using a cubic interpolation of the saturation curve, the model gives a good representationof the saturation effect. The open source code implementation of the synchronousmachine model gives the possibility to easily adapt the model to specific requirements.The derived model makes it possible to simulate a synchronous machine with its excitationsystems, e.g.
Stressupplevelse hos studenter : Relationen mellan stressupplevelse, kontrolluppfattning, socialt stöd och fysisk aktivitet
Studenter i Sverige har visats vara en utsatt grupp för stress i samhället. Tidigare forskning har påvisat att en lägre stressupplevelse kan prediceras av individens kontrolluppfattning (locus of control), tillgång till socialt stöd och fysiska aktivitetsvanor. Studiens frågeställning gällde om kontroll-uppfattning, socialt stöd eller fysiska aktivitetsvanor var den starkaste prediktorn för en lägre stressupplevelse hos högskolestudenter. En enkät-undersökning mätte 119 högskolestudenters stressupplevelse, kontroll-uppfattning, sociala stöd och fysiska aktivitetsvanor. Enkla- samt multipla regressionsanalyser visade att kontrolluppfattning var den starkaste prediktorn för en lägre stressupplevelse hos studenter.
Otydliga rekvisit i BrB 4 kap. 1 a § om människohandel : Tolkningsproblem i frågan om kontroll och otillbörliga medel
The thesis will discuss the interpretations of the two requisites; Control and improper means in the paragraph concerning trafficking in human beings, who can be find in the Swedish penal code chapter 4, section. 1 a. This paragraph is worded in a way that indicates that the paragraph is misinterpreted and that it is therefore hard to proof that the present requisites have been used or fulfilled. However, Sweden has by accepting international legal framework committed itself to do anything in its power to prevent, suppress and punish trafficking in persons. The interpretation of the paragraph has shown that the difficulties have mainly depended of its indistinct formula.A new review published in April 2008 shows that the paragraph should be afforded a new wording, and therefore contain new requisites.
Effect of vortex-processed water on tomato (Solanum lycopersicum) plants
This pilot study examined whether treatment with Vortex Process Technology (VPT) of the irrigation
water used on tomato (Solanum lycopersicum) plants had any effect on plant growth. In a block
experiment, with two blocks comprising 12 vases containing 1 L water and two tomato plantlets,
treatment in which, nutrient solution was based on Vortex-treated water was compared with an control
using untreated water. All vases were kept in a static aerated culture system in a daylight chamber for
four weeks. The results showed that the effect of the two blocks exceeded the effect of vortex
treatment in terms of leaf area and weight of fresh and dry matter. Plant height, stem width and
internodal length were significantly different in tomato plants grown in Vortex-processed water
compared with the untreated control.
Ikoner för barn : Om användandet av ikoner som skyltning på Stadsbibliotekets barnavdelning
The City Library has a problem getting children interested in reading. Futhermore, there are no clear signs to aid children to navigate themselves to books targeted to their age group. To solve this problem, this thesis aims to design signs that is both illustrative and informative.Of the images that were tested during the research, I would assume that children in such a wide age range requires the simplest level of abstraction from testing the three testing icons, since the second level of abstraction was not interesting enough for the kids. The third, nearphotorealistic level was most liked by the children who were in the city library more often and looked for books themselves..
Styrning av humankapital utifrån Simons Levers of Control ? ny kärna, nytt analysområde
Företag idag söker ständigt nya och förbättrade konkurrensfördelar, som är en konsekvens av den snabba och ökande globaliseringstrenden. Ett viktigt grundincitament för att skapa dessa fördelar samt bemöta omvärldens föränderlighet och krav har bidragit till att allt större fokus riktats mot behovet av en bred kompetens, det vill säga ett utvecklat humankapital, inom företag. Humankapitalet är en av de mest betydelsefulla grundpelarna i ett företag då företaget är beroende av de anställdas kompetens och innovationsförmåga. Det är således viktigt att ett företag styr humankapitalet på ett sådant sätt att det når en stärkande eller förädlande effekt. Ett sätt för att strategiskt styra förädlingsprocessen av humankapitalet är att nyttja Simons Levers of Control, vilken även går under benämningen Simons styrmodell.
Kuratorers personliga upplevelser av stress och coping på ett akutsjukhus i Stockhol
AbstractTitle: Welfare officers personal experiences of stress and coping in an emergency hospital in StockholmThe purpose with this study was to describe how welfare officers in an emergency hospital experienced stress in their workplace and what coping strategies they used. Through qualitative interviews the welfare officers thoughts and experiences were examined. The result showed that welfare officers experienced some stress at the workplace; this was related to lacks in the organization, heavy workload and short of time. The most commonly used coping strategies were social support, physical training, short breaks during the day to handle the stress at work. The conclusions of this study was that factors that reduces stress for welfare officers who work at emergency hospitals was a functioning organization and management, the ability to control and at some levels effect their own work, to have guidance and other opportunities to ventilate with co-workers.
Stöd för Davanloos ?Intensiv Short-Term Dynamic Psychotherapy? (ISTDP) tillämpat på barn- och ungdomar med psykosociala problem : En litteraturstudie
När det gäller vuxna patienter, visar studier att Davanloos Intensiv dynamisk korttidsterapi(ISTDP) är evidensbaserad och effektiv vid flera sjukdomstillstånd. Medan det finns få bevisvarken för eller emot tillämpningen av ISTDP på barn och ungdomar, har en artikel skriven avLinda Gilbert (2004) fått författaren till föreliggande litteraturstudie att tro att det inte finns ettbättre val än att börja forska om tillämpningen av ISTDP tekniker på barn och ungdomar ochför att visa hur dessa tekniker skiljer sig från dem som används med vuxna. Dennalitteraturstudie är ett teoretiskt förslag för att använda ISTDP med fokus påmentaliseringsteorin inom ramen för BUP. När det gäller KBT leder internationellaforskningsresultat till nödvändigheten att fästa blicken på andra evidensbaserade metoderockså när det gäller behandlingar för barn och ungdomar med psykiska och psykosocialaproblem. Davanloos ISTDP är en sådan evidensbaserad metod.
Mer hyresrätter åt folket! En studie om Hallands hyresbostadsmarknad. : - Att skapa lönsamhet för hyresrätter
A variety of demands have to be considered in the design of a new opera house in Galärvarvet. All possible viewpoints are important to be aware of, as is the need for the new building to be a contrast to the already existing opera house in Stockholm. The restricted site also makes a multitude of demands on the building's design.By rationalizing the layout and structure and also by making the footprint smaller, the complex building of over 30 000 square meters can be fitted and blended into the existing physical context. Unlike the existing opera house in Stockholm, the new opera house shows the rationality and the advanced technology that lies behind the scenes and becomes the character of the entire building. Through the dynamic façade, the new opera can convey any character it so desires, just like scenes do through different settings.
Kvalitetsarbetet i Nacka : En fallstudie av kundvalsmodellen inom äldreomsorgen
This essay discusses the interaction between the authorities in Nacka municipality in Sweden and supervisors within the eldercare. In Nacka politicians have gradually started delegate responsibility for how care-giving for the elder should be done and focus instead on formulating economical objectives and overall rules. It is up to the approved supervisors of eldercare to deliver good care and quality. The method chosen to accomplish this is public choice. This method is a part of the big New Public Management (NPM) reform which have had a big impact on Swedish public sector since the 1980´s.
Geografiämnet på gymnasienivå : En undersökning om geografilärarens koppling till läroplan och kursplan i undervisningen samt dennes undervisningsformer
The purpose of this essay is to study how the local creators of a "master plan" for the swedish city Kristinehamn, the years between 1940 to -43, looked on their planning. It is an analysis of ideas case study. A hypothesis is upheld for the research: that the local physical planning had largely extended ambitions what regards central state control in a way that is similar to planned economy. Questions that are asked include: Was the planning assumed to be a tool for the state to regulate the environment? Can the planning be seen as a mean to control the society in time and space? The essay search for verification of the hypothesis by a theoretical analysis apparatus made upp of ideal types.
?Poor, fucked-up, kinky, philanthropic Christian Grey? : en studie i maskulinitet och fantasier om manlig sexualitet i romansviten Fifty Shades of Grey
The current paper is a study of the character Christian Grey in the EL James trilogy Fifty Shades of Grey. The main aim is to find out how masculinity, sexuality and gender are constructed in this erotic fantasy. More over terms as femininity, unmanliness and gender have relevance to the study. Several studies have been done on romance novels and Harlequin in particular from a gender perspective, but few of them from a masculine point of view. Hence, no earlier study has been done on Fifty Shades of Grey with masculinity studies as the main tool of masculinity, or with theories of romance.
Studenters hälsa vid Växjö universitet : ? en studie med KASAM, symtom och krav-kontroll-socialt stöd som utgångspunkt
The aim of this study was to examine the relationship between gender and self reported symptoms (physiological and psychological) and sense of coherence (SOC) and Job Demand-Control-Social support (JDCS). The sample consisted of 360 respondents (nfemale= 261, nmale= 99), in the ages between 19-53 (M=25,57, SD=5,77), all students from Växjö University. A quantitative work method was used in the study; data was collected using questionnaires that consisted of self-reported questions, based on three parts: A modified symptom checklist, SOC 13 and a modified JDCS questionnaire. The result of our study showed that both SOC and JDCS had an effect on self-reported symptoms but there were no interaction between SOC and JDCS. No significant gender differences were found regarding the level of SOC.
Design och implementation av konfigurationsverktyg för funktionsblock
Abstract In high voltage substations there is an increasing demand for computerized equipment, and automation of operation and supervision. The future primary equipment will provide the possibility to collect more information and to provide better control for improved effectiveness. Since ABB has got a large customer target, each product must be custom made to fulfil the customers (often from different countries) demands. Later these products will be configured by engineers who may not be familiar with the tools used at ABB. This is a very expensive and time consuming.
Inverkan av stora mängder halm som underlag i grisningsboxen på den nyfödda smågrisens temperaturreglering :
The aim of the present study was to evaluate the effects of large amounts of straw
in the farrowing pen on thermal regulation of the newborn piglet in different
weight classes. 20 sows were given 15 kg of straw in the farrowing pen
2 days prior to until 7 days after parturition. A control group of 18 sows
had no straw in the pen. 6 litters from each treatment were observed.
Measurements of piglet body temperature were made at 0h, 2h, 4h, 8h and 24h
after parturition. At ?8h? the body temperature of the piglets in the Straw group
were significantly higher (P=0,0149) than the piglets in the Control group.