Sökning: "LMI"

Visar resultat 11 - 14 av 14 avhandlingar innehållade ordet LMI.

  1. 11. Structure Exploitation in Semidefinite Programming for Control

    Författare :Rikard Falkeborn; Anders Hansson; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Many control problems can be cast as semidefinite programs. However, since the size of these problems grow quite quickly, the computational time to solve them can be quite substantial. In order to reduce the computational time, many proposals of how to tailormake algorithms to various types of control problems can be found in the literature. LÄS MER

  3. 12. Metabolomics, body composition and fracture

    Författare :Rui Zheng; Karl Michaëlsson; Harri Sievänen; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Metabolomics; LC-MS; sample quality; cohort; body composition; fracture; Medicinsk vetenskap; Medical Science; Bioinformatics; Bioinformatik; Epidemiologi; Epidemiology; Orthopaedics; Ortopedi; Kemi med inriktning mot analytisk kemi; Chemistry with specialization in Analytical Chemistry;

    Sammanfattning : In this thesis, I evaluated the impact of pre-centrifugation sample management on the plasma metabolome, providing verification for the protocol used in a study where I applied metabolomics to better understand the role of body composition in fracture occurrence using a large population-based cohort.  In paper 1, I applied untargeted liquid chromatography-mass spectrometry (LC-MS) metabolomics analysis to plasma samples (n = 471) from healthy donors to predict and evaluate the effect of pre-centrifugation temperature and delay time on metabolomics data using a combination of random forest and generalized linear models. LÄS MER

  4. 13. When the paediatric heart is affected : impact on nutrition, growth and body composition from infancy to adolescence

    Författare :Lena Hansson; Annika Rydberg; Inger Öhlund; Torbjörn Lind; Tanis Fenton; Umeå universitet; []
    Nyckelord :Congenital heart disease; Patent ductus arteriosus; Preterm infant; Infant growth; Energy intake; Dietary fatty acid; Micronutrient intake; Vitamin D; Dual-energy X-ray absorptiometry DXA ; Fontan circulation.; pediatrik; Pediatrics; Food and Nutrition; kostvetenskap; kardiologi; Cardiology;

    Sammanfattning : BackgroundChildren with complex congenital heart disease (CHD) and very low birth weight (VLBW) infants with a patent ductus arteriosus (PDA) are two distinct groups of patients with different clinical care needs. Irrespective of the type of heart condition, nutritional intake and growth is largely affected in these individuals during infancy. LÄS MER

  5. 14. Analysis and Design of Hybrid Systems

    Författare :Stefan Pettersson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; asymptotic stability; Lyapunov theory; exponential stability; piecewise quadratic Lyapunov functions; hybrid systems; stability; linear matrix inequalities; nonlinear systems; LMIs; control theory; fuzzy systems;

    Sammanfattning : Many physical systems today are modeled by interacting continuous and discrete event systems. Such hybrid systems contain both continuous and discrete states that influence the dynamic behavior. LÄS MER