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95 Uppsatser om Lift - Sida 2 av 7
VVA-strategier för avgastemperaturhöjning på en HD-Dieselmotor
Regulations on the exhaust emissions of HD-diesel engines are becoming more and more stringent, and therefore, emission after-treatment systems are commonly used. These systems rely on catalytic conversion of NOx,CO , and HC emissions, and are thus dependant on temperature. At low load of the engine, exhaust temperatures are not sufficient for the after-treatment components. Therefore, means to increase the exhaust temperature while maintaining low emissions and fuel consumption are needed.The focus of this project has been to develop strategies for the Lift profiles of exhaust and intake valves in the engine, with the goal to raise exhaust temperature in combination with low emissions and fuel consumption. The strategies have been tested in a single-cylinder research engine equipped with a hydraulic variable valve actuation system.
Hjullyft
The graduation essay has been carried out in co-operation with Kalmar Industries in Lidhult, Sweden. The purpose of our essay was to develop a complete construction solution on a hoist that could Lift a laying wheel, Lift it up and then turn it 90 degrees. After that the wheel shall be placed in a special holder.The background of the essay is a record of reports of damage wheels when they been incorrect Lifted with a forkLift. The hoist shall be used together with the same forkLifts that manage the wheels today. Together with our instructor at Kalmar Industries we developed a requirement specification and from that we got free hands.However this was not the main task from the beginning, then a simular hoist should be develop but used directly in the assembly workshop without using a forkLift.We started to find principle solutions that later was evaluated against the requirement specification.
Studie av internt materialflöde vid Volvo Pentas fabrik i Vara
Within today?s organizations there is continual development work to increase efficiency and the power to compete at the market. Production development with focus on continual improvements constitutes an important part of the daily work within a lot of organizations today.The purpose of this study is to contribute to a part of the development process that Volvo Penta factory in Vara has in mind. A description of the current situation was compiled by mapping the internal runnings and material flow throughout the factory. A new suggestion for a layout and a comparison with the current situation will assist with creating a factual basis for the development of a new goods reception.A study was made where the volumes and the quantity of the daily arrival goods were settled.
Utveckling av personlyft till badkar
This thesis is performed as a summarizing project for the mechanical engineering education at School of Engineering in Jönköping. All knowledge necessary to complete this thesis was gathered from previous courses and education.This project was to develop a new product for the company TR Equipment AB in Tranås. The new product is going to be based on an already existing product, TR 1700. TR 1700 is a bathtub equipped with a height adjustable function. This product is used in retirement homes and in the care of disabled people.
Reaktionskrafter i dragarmarna på en traktors trepunktslyft : Teori och praktik
Tractors of today come equipped with a CAN-system. A CAN-system sends information from sensors to electronic control units who process the signals. The sensors measure several interesting parameters such as force, pressure and speed for various components of the tractor. This thesis discuss a force sensor which is placed in the pivot of the tractors three point linkage, the sensor measure the horizontal reaction force from the load that the tractor is exposed to. Signals from this sensor can be used to measure the force from any implement that the tractor is exposed to during an operation.
Omkonstruktion av bärande ram till Cibes Lift modell A5
Företaget Cibes Lift AB tillverkar skruvdrivna plattformshissar i olika storleksklasser för laster upp till tusen kilogram. Plattformhissar är ett mindre utrymmeskrävande alternativ till vanliga standardhissar och lyder under EU:s maskindirektiv. Masskonsumtion och prissättning tvingar företag att utveckla nya strategier för att hantera större flexibilitet och lägre tillverkningskostnader. Då även Cibes jobbar kontinuerligt med att kostnadseffektivisera sina produkter hade arbetet till syfte att göra en omkonstruktion av den bärande ramen till företagets standardmodell A5. Den nya ramkonstruktionen skulle utvecklas med avseende på kostnadsreducering, moderna tillverkningstekniker och hög tillverkningseffektivitet.
Quadrotor UAV : Konstruktion och användbarhetsstudie av en UAV i sensornätverk
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.
Design och konstruktion av kaross till ögonstyrt arkadspel
Tobii Technology AB is a global leading company in eye tracking. The technology is a part of acomputer screen called an eye tracker. It enables computers to follow eye movement whichfurther make it possible to control the computer by only using your eyes.The mission was to develop an arcade game for eye controlled games that Tobii can use in theirmarketing or as a tool when doing researches about the interest in the technology amongst gamecompanies. The product realization involved designing an innovative, functional and futuristiccase which gathered the existing hardware and software to build the final prototype. In order toattract users it was important to focus on the visual expressions.Initially, the project started off with an information retrieval which contained interviews, fieldstudies, tests and literature studies.
En gemål i förändring : Den svenska drottningrollens utveckling ca 1750-1850
This essay is about how islam is illustrated in textbooks of History in Sweden during 1980-s and first decade in 2000. This study does not aim to give all answers about those tendencies, but it will Lift up and discuss this issues.The essay has two questions to answers. They are:1- How does textbooks from 1980-s and 2000-s illustrate Islam?2- Do we see any tendencies of Orientalism in textbooks?The most focus in this study will be in first question, because this question is more open and need more empirical material to answer. The second question is more specific and has to do with first questions results. The first part of off essays investigation has to do with description of what textbooks writtes about Islam. After this I will compare and analyze what differences they are between textbooks from 1980-s and first decade of 2000-s.
Användning av accelerometrar för detektering av rörelse i Husqvarna ABs gräsklippare Automower
In order to detect movements and vibrations on different appliance, especially robots and self-going devices are used different sensors. One of the most used movement sensors are accelerometers. They are three different types of accelerometers one-axes, two-axes and three-axes. They can be analogue or digital. Husqvarna AB uses an accelerometer to detect movements of their self-going lawnmower Automower.
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.
Islam, muslimer och väst! : en läroboksstudie om framställningen av islam under 1980-talet och 2000-talet
This essay is about how islam is illustrated in textbooks of History in Sweden during 1980-s and first decade in 2000. This study does not aim to give all answers about those tendencies, but it will Lift up and discuss this issues.The essay has two questions to answers. They are:1- How does textbooks from 1980-s and 2000-s illustrate Islam?2- Do we see any tendencies of Orientalism in textbooks?The most focus in this study will be in first question, because this question is more open and need more empirical material to answer. The second question is more specific and has to do with first questions results. The first part of off essays investigation has to do with description of what textbooks writtes about Islam. After this I will compare and analyze what differences they are between textbooks from 1980-s and first decade of 2000-s.
Mellan A-traktor och skönlitteratur : Didaktiska metoder i undervisningen
The purpose of my project is to determine how a multimodal/intermedial text can be used when teaching in upper secondary school. Can using a text that to some point is current in the pupils? lives Lift the interest for the specific subject? I opted to pick up Gunther Kress? research, Diana Laurillard?s book and Christina Olin-Scheller?s work on the subject. I have used several hours of lesson planning and the lesson itself with subsequent work consisting, among other things, of three qualitative interviews to achieve my purpose. Based on a qualitative approach, I discuss the results, which show that it is in fact very upLifting.
Reparationsvarv på Beckholmen
Det här projektet handlar om att låta industri vara industri och samtidigt lyfta fram de kvalitéer som gör att vi uppskattar det. Programmet består av: en skrovhall, i vilken upp till 40 m långa båtar ska kunna rullas in med travel Liftverkstäder med traverser med en krokhöjd på 5 resp. 10 m.en lyftkran på ett spår. GV-dockan, en av de enorma anläggningar som bidrar till att göra Beckholmen till en unik plats får en representation ovan mark i form av en väldig kolonnad som bär upp kranspåret. För att säkerställa stabilitet i sidled har verkstäderna kopplats in på ömse sidor om kolonnaden. De lägre verkstäderna har placerats nära dockan och de högre på andra sidan.
Finns det ett samband mellan rekryteringskvalite? och soldatkvalite?
The Swedish Armed Forces have undergone a significant change where we have gone from recruitment through duty and replaced it with a voluntary based defence. Across Europe, countries that have undergone the same type of change demonstrate change in the quality of those recruited. The focus in this paper is how recruitment quality looks in Sweden after three years of volunteer based defence and if officers at P7 can see a change in quality on those recruited. This work aims to investigate whether soldier quality has changed from conscription recruited to voluntary recruited soldiers. The question that the work tries to answer is whether one can see a change in quality in soldiers and in that case how.The result can be summarized as one begins to see a change in recruiting quality but it is not something that is visible at the regiments.