Sökning: "Thomas George"

Visar resultat 1 - 5 av 6 avhandlingar innehållade orden Thomas George.

1. 1. Miniaturized Multifunctional System Architecture for Satellites and Robotics

   Författare :Fredrik Bruhn; Jan-Åke Schweitz; Lars Stenmark; Johan Köhler; Thomas George; Uppsala universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Space technology; Multifunctional design; Spacecraft; Robotics; Microengineering; MEMS; Exploration; Distributed intelligence; Mission Design; Rymdteknik; Space engineering; Rymdteknik;

   Sammanfattning : This thesis describes and evaluates the design of nanospacecraft based on advanced multifunctional microsystems building blocks. These systems bring substantial improvements of the performance of nanosatellites and enable new space exploration, e.g. interplanetary science missions using minute space probes. LÄS MER

3. 2. The Core of Aerial Robotic Workers : Generalized Modeling, Estimation, and Control

   Författare :Emil Fresk; George Nikolakopoulos; Thomas Gustafsson; Ming Cao; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Aerial robotics; generalized modeling; generalized estimation; generalized control; Reglerteknik; Control Engineering;

   Sammanfattning : In this thesis we are going to explore what the operational core, both mathematically and algorithmically, of an Aerial Robotic Worker consists of, in order to estimate its egomotion and parameters, and adaptively control the aerial vehicle. Moreover, the aim of this thesis is to be a condensed reference for the corresponding areas of aerial robotics, in order to provide a stable and complete foundation on which one can continue research on. LÄS MER

4. 3. Human Postural Sway Modeling and Balance Impairment Detection

   Författare :Hedyeh Jafari; Thomas Gustafsson; George Nikolakopoulos; Fredrik Öhberg; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Automatic Control; Reglerteknik;

   Sammanfattning : Falls, Fear of falling (FoF), and low balance confidence pose significant threats to health and independence among older people. This thesis aims to study humans’ postural and balance mechanisms, from analyzing the effect of multisensory inputs on balance performance and balance-related concerns to modeling the postural sway through physical dynamics and data-driven approaches. LÄS MER

5. 4. On Visual Area Coverage Using Micro Aerial Vehicles

   Författare :Sina Sharif Mansouri; George Nikolakopoulos; Thomas Gustafsson; Andreas Johansson; Pantelis Sopasakis; Jana Tumova; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Reglerteknik; Control Engineering;

   Sammanfattning : The aim of this Licentiate is to advance the field of cooperative visual coverage path planners for multiple Micro Aerial Vehicles (MAVs), while aiming for their real life adoption towards the tasks of aerial infrastructure inspection. The fields that will be addressed are focusing in: a) the collaborative perception of the environment, b) the collaborative visual inspection, and c) the optimization of the aerial missions based on the remaining flying battery, camera constraints, coverage constraints and other real life mission induced constraints. LÄS MER

7. 5. From Personal to Impersonal Exchange in Ideas : Experimental Study of Trade in Organized Markets for Patents

   Författare :Eskil Ullberg; Björn Hårsman; Thomas W. Hazlett; KTH; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; experimental economics; patent markets; patents; mechanism design; linear contracts; institutional design; patent system design; economic system design; development policy; Business and economics; Ekonomi;

   Sammanfattning : The patent system has developed over a period of over 500 years. The initial motivation was a desire to import privately held technology to advance economic development, offering excluding and transferrable rights through licensing to “inventors” for the disclosure and perfection of their “contrivance” (invention). LÄS MER