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551 Uppsatser om Mechanical rock excavation - Sida 15 av 37

36 nyanser av torsk : en osteologisk analys av fiskben från Hemmor i Dalbo i När sn på Gotland

The purpose of this paper was to analyze fishbones from the Pitted Ware Culture settlement named Hemmor. in Dalbo, När parish on Gotland. The fishbones are unburnt and derive from one specific culture layer (c:6) in trench one VI:7, and radiocarbon dated to 2600-2300 BC cal.In this paper I wanted to answer these following questions:1. What kind of fish species did they eat in Hemmor?2.

Torkning och pelletering av organiskt hushållsavfall - en konstruktionslösning

The research in this paper aims to producing a home version machine thatcan dry and make biological waste into compact pellets. This product ismade primarily for those who want to improve the environment and reducethe energy consuming process of separating the biological leftovers fromother waste in the large processing plants and save money due to reducedpickups of waste. Since there is no commercially available product thatdoes what we want to achieve we had to start from the beginning with boththe design and the mechanical aspects. The result is a machine, that fits inour homes, and in an easy and inexpensive way reduces the amount ofbiological waste that needs to be collected by the public wastetransportation system. This is done without reducing any of the energy inthe waste and it can still be used to compost or by large-scale plants that usethe waste to make electricity.

CAP KC3-12 : Design and finite element analysis

In offshore oil production FMC Subsea systems use a product called cap. The cap´s mainly task is to protect hubface and seal areas on inboard hub against dirt, corrosion and mechanical damage under installation of a subsea system. A new model of a cap has been designed and analysed using finite element method. The model is called KC3-12 and has a new function, emergency release, which is a backup method for the ROV (remote operated vehicle) to release the cap from the hubface when it is placed under water. The cap KC3-12 was found to fulfil the criteria under the test load pressure, according to ASME VIII, div2.

Mjölkproduktion : planering för om-, till- och nybyggnad

The objective of this thesis was to get more knowledge about how to design a dairy farm reducing the working hours and the work tasks whit high work load. I will try to reduce the working hours and the tasks whit high work load on my own farm witch I am about inherit. Today, the old stanchion barn has room for about 60 cows and 74 young cattle and need two men to run it every day. The total acre is 188 hectare, 100 hectare forest, 65 hectare farmlands and 23 hectare natural pasture. I have studied two solutions. In the first solution, I will use my old barn for young cattle and build a new barn for the cows.

Nästa generations skolbänk

Examensarbetet Framtidens skolbänk som har utförts på avdelningen för maskinteknik vid Blekinge Tekniska högskola i samarbete med grundskolan Vittra Adolfsberg. Skolbänken är till för att möjliggöra ergonomiskt bra arbetsställningar i både sittande och stående position för alla elever oavsett längd och storlek. Dessutom ska skolbänken underlätta användandet av digitala undervisningsredskap såsom datorer och surfplattor. Examensarbetet består i att utveckla och konstruera en skolbänk som möjliggör detta utan att skolbänken blir för dyr eller för ömtålig för att kunna vara att reellt alternativ för alla skolor. Idag så är projektet på konceptstadiet men det finns definitivt möjligheter att någon variant på mitt förslag skulle kunna kommersialiseras då det i dagsläget inte finns några liknande produkter på marknaden..

Kravspecifikation för en knapp till ett automatväxlingskoncept

This thesis deals with the development of a specification regarding a push-button, which will be used to control the gear-shifting function in an automobile. In addition to this the author will describe different techniques and theories that have been helpful in achieving data and results for the specification.Kongsberg Automotive AB, is located in Mullsjö, Sweden, the company supplies parts to the automotive industry. In the research and development department, R&D, there is a group that works with development of Shift-By-Wire systems. In an automobile with a Shift-By-Wire system the communication between the gear-shifter and the gear-box occurs electronically. The mechanical link is, in most cases, taken away and replaced by the digital system.

Musik och Livsstil : En studie om ungdomar och hårdrock

In the following study I probe the social world of hard-rock music. By conducting interviews with four young male enthusiasts of this music I try to develop a general picture of this social world, as well as of the basic elements on which this particular subculture is constructed. The identity of a hard-rocker is based upon a number of factors beyond just a preference for that music. Throughout the interviews I encountered many implicit norms that one must followed in order to be able to see oneself as a true hard-rocker. I also found that from the respondents? perspective, the mainstream culture has, throughout the history of metal music, used various ways to counter the spreading of this genre.

"...men det här kommer ju inte att funka live!": En processbeskrivning av att översätta studioinspelad musik till konsert

Vid studioinspelning av pop- och rockmusik bearbetas musiken ofta i efterhand. Det går att klippa i spåren, skapa loopar, lägga på instrumentspår i efterhand, lägga på effekter och mycket mer. Ett låtarrangemang kan lika gärna skapas vid mixningsprocessen i studion som i replokalen. Detta kan skapa en problematik när musiken sedan ska framföras på konsert. Vad gör man till exempel när en låt spelats in med åtta pålagda gitarrspår i studioversionen, men bandet bara har en gitarrist när den sedan ska framföras vid konsert? Jag har undersökt vilka problem och möjligheter som finns i ?översättningsprocessen? när studioinspelad musik arrangeras för livekonsert.

Decentraliserad administration av gästkonton vid Karlstads universitet

We got in contact with Marco AB, who we?ve had contact with before concerning earlier projects, to find out if they were interested in arranging a larger project for our last class (Examensarbete 15hp). They were very positive to this proposition, and soon they offered us a project regarding reconstruction of their current mechanical device that absorbs all the force from the lift itself when it is at a predefined level (sv. sjunkspärr). The current solution does fulfill the requirements that are given, however it is not a solution that gives a high level of satisfactory.

Utveckling av drivrutin till Intermec Easycoder 501 XP

We got in contact with Marco AB, who we?ve had contact with before concerning earlier projects, to find out if they were interested in arranging a larger project for our last class (Examensarbete 15hp). They were very positive to this proposition, and soon they offered us a project regarding reconstruction of their current mechanical device that absorbs all the force from the lift itself when it is at a predefined level (sv. sjunkspärr). The current solution does fulfill the requirements that are given, however it is not a solution that gives a high level of satisfactory.

Panorering för musik i 5.1 surround : En jämförelse av panoreringsteknikerna direkt/ambient och direkt-överallt

Uppsatsen undersöker hur de olika panoreringsteknikerna, direkt/ambient och direkt-överallt, för 5.1 surround uppfattas utav lyssnare. Enligt direkt/ambient ska alla direkta källor panoreras till frontkanalerna (L, C, R) och endast ambiens finnas i surroundkanalerna (Ls, Rs). Enligt direkt-överallt kan direkta källor panoreras till alla kanaler. Ljudstimuli i tre genrer har utav undertecknad framställts, rock/hårdrock, jazz/fusion och hip hop. Ett exempel enligt direkt/ambient och ett enligt direkt-överallt framställdes i varje genre.

Den nya Arenan : Dansband eller Rock 'n Roll för Kalmar som destination?

Syftet med den här uppsatsen är att studera om den nya Arenan kan komma att vara en bidragande faktor till säsongsförlängning i Kalmar. Eftersom den nya Arenan inte ännu är färdigbyggd, vill vi undersöka beslutsfattares syn på projektet samt hur ett sådant projekt kan komma att påverka Kalmar som destination.För att kunna studera verkligheten, utan att styras av redan befintliga teorier, valde vi i vår studie att använda oss av en induktiv ansats. Den större delen av vår datainsamling grundas på kvalitativa intervjuer, vilka vi kompletterade med diverse rapporter och skrivelser på hemsidor.Vår slutsats i den här uppsatsen är att den nya Arenan kan bidra till säsongsförlängning om verksamheten maxas. För att detta ska vara möjligt bör samtliga beslutsfattare börja spela i samma lag, klara och tydliga mål med projektet måste sättas upp och fokus bör läggas på hur ett projekt av den här storleken kan gynna hela Kalmar som destination, inte enbart en av de inblandade aktörerna..

En studie av sociala faktorer : Som kan medföra problem vid implementering av informationssystem

Quadrotor UAVs are self-stabilizing, autonomous flying machines that has recently become more popular than ever. Unmanned Aerial Vehicles have their roots in the military, where they were developed for use in reconnaissance and combat. During the last few years, advances in the fields of electronic sensors, electric motors and microcontrollers have enabled smaller designs and autonomic flight control even for private use. The quadrotor, which is the particular kind of UAV we are looking closer at in this paper, has 4 rotors in an X-like formation. This configuration has many advantages such as good lift capacity, non-complex mechanical structure and serviceability.In this project we aquired a current overview of the domain and determine whether it is possible to construct a quadrotor UAV designed for use in a WISENET sensor network on a low budget and short time schedule.Based on existing community project AeroQuad, a quadrotor is constructed with a budget of about 500 euro.

Automatisk trimning av drivsystemreglering från MATLAB

This master thesis covers the development of an automatic tuning process for the existing speed controller for drive systems. The drive systems are resonant two-mass systems where a motor is used to drive a load connected by a shaft. The developed method relies heavily on system identification and the construction of a complete mechanical model of the process. With this approach, the common problem with poor load speed control that derives from measuring only the motor speed can be addressed and solved for a majority of such processes.The automatic tuning method has along with general test functions been implemented in a complete tool for automatic tuning, testing and performance evaluation and reporting for drive systems..

Värden för demokratin eller demokrati för värden : En idéanalys av sambandet mellan begreppen folkvilja och värde i tre demokratiuppfattningar

This essay examines a presupposed correlation between the way one look upon values and the way one look upon the will of the people in a theoretical democratic context. The more specific purpose is to test the following hypothesis: There is a reversed connection between the way one look upon values and the way one look upon the will of the people in a theoretical democratic context, that is; a strong claim of values give reason to a limited conception of the will of the people and a weak claim of values gives reason for a more unlimited conception of the will of the people.In order to test the hypothesis I examine three different conceptions of democracy, these are: pluralist democracy, deliberative democracy and constitutional democracy. I analyze the way they look upon values, there view of the will of the people and finally if there is a connection between the way they look upon values and the will of the people. Values should be understood in a metaethical context. In other words it is not values in the ?common? meaning, instead its how val-ues in them selves should be understood, and even more relevant, what we mean when we ex-press values.My conclusions are, first and foremost, that there is a correlation between the will of the people and values, according to the formulation of the hypothesis.

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