Search for dissertations about: "energikonsumtion"

Showing result 1 - 5 of 9 swedish dissertations containing the word energikonsumtion.

2. 1. Centralized Routing for Prolonged Network Lifetime in Wireless Sensor Networks

   Author : Ewa Hansen; Mats Björkman; Mikael Nolin; Dag Nyström; Thiemo Voigt; Mälardalens högskola; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Wireless sensor networks; routing; energy efficiency; asymmetric communicaiton; communication; power consumption; computer networks; trådlösa sensornät; trådlös; kommunikation; energikonsumtion; Computer science; Datavetenskap; Computer Science; datavetenskap;

   Abstract : In this thesis centralized routing methods for wireless sensor networks have been studied. The aim has been to prolong network lifetime by reducing the energy consumed by sensor-node communication.Wireless sensor networks are rapidly becoming common in application areas where information from many sensors is to be collected and acted upon. READ MORE

4. 2. Performance Monitoring, Analysis, and Real-Time Introspection on Large-Scale Parallel Systems

   Author : Xavier Aguilar; Erwin Professor; Karl Doctor; Jens Professor; Jesus Labarta; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; HPC; performance analysis; performance monitoring; performance introspection; parallel computing; Computer Science; Datalogi;

   Abstract : High-Performance Computing (HPC) has become an important scientific driver. A wide variety of research ranging for example from drug design to climate modelling is nowadays performed in HPC systems. Furthermore, the tremendous computer power of such HPC systems allows scientists to simulate problems that were unimaginable a few years ago. READ MORE

5. 3. A Negative Footprint Illusion in Environmental Impact Estimates

   Author : Mattias Holmgren; Patrik Sörqvist; Ola Eriksson; Maria Ojala; Högskolan i Gävle; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; The negative footprint illusion; averaging bias; environmental impact estimates; decision-making; climate change; Den negativa fotavtryckillusionen; genomsnittsprocess; miljöpåverkan; beslutsfattande; klimatförändringarna; inget Strategiskt forskningsområde SFO ; no Strategic Research Area SFO ;

   Abstract : A major part of anthropogenic climate change is due to everyday human behavior, such as transportation, food and energy consumption. As a result, it has been argued that many barriers for mitigating climate change are psychological in nature. READ MORE

6. 4. Tools for Evaluating Energy Efficiency of Steel Production : Lessons from Sweden and Europe

   Author : Johannes Morfeldt; Semida Silveira; Mats Söderström; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; energy efficiency; indicators; iron and steel sector; systems analysis; energieffektivitet; indikatorer; järn- och stålsektorn; systemanalys; Energy Technology; Energiteknik;

   Abstract : The European Union faces challenges related to climate change, security of energy supply, and competitiveness of European industries. Energy efficiency indicators are required for monitoring and controlling the effectiveness of policies such as the recently endorsed Energy Efficiency Directive. READ MORE

7. 5. Static Execution Time Analysis of Parallel Systems

   Author : Andreas Gustavsson; Björn Lisper; Jan Gustafsson; Andreas Ermedahl; David Broman; Mälardalens högskola; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; WCET analysis; parallel systems; multi-core; multicore; threaded programming language; Computer Science; datavetenskap;

   Abstract : The past trend of increasing processor throughput by increasing the clock frequency and the instruction level parallelism is no longer feasible due to extensive power consumption and heat dissipation. Therefore, the current trend in computer hardware design is to expose explicit parallelism to the software level. READ MORE