Sökning: "random load"

Visar resultat 11 - 15 av 65 avhandlingar innehållade orden random load.

1. 11. Vehicle-Pavement Interaction

   Författare :Parisa Khavassefat; Björn Birgisson; Denis Jelagin; David Cebon; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Finite element; Viscoelasticity; Moving load; Dynamic axle loads; Road roughness; Flexible pavement; Stochastic;

   Sammanfattning : Several aspects of vehicle-pavement interaction have been studied and discussed in this thesis. Initially the pavement response is studied through a quasi-static and a dynamic computationally efficient framework under moving traffic loads. LÄS MER

3. 12. Efficient commuter craft for urban waterborne public transportation

   Författare :Harsha Cheemakurthy; Karl Garme; Joakim Kalantari; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; waterborne public transportation; commuter ferry; modular design; operational requirements; ranking method; sustainable performance; ice operations; ice-hull Interaction; ice load; ice properties; kollektivtrafik på vatten; modulärt färjekoncept; modulär design; rankningsmetod; hållbarhetsparametrar; isbelastning; isförhållanden; isegenskaper; Vehicle and Maritime Engineering; Farkostteknik;

   Sammanfattning : There has been a recent surge in interest in waterborne public transportation (WPT). Publictransport providers (PTP) are seeing its potential in complementing the existing transportnetwork and alleviating urban traffic congestion and pollution. But the adoption of WPTtoday is challenging due to a series of technical and implementation challenges. LÄS MER

4. 13. Multivariate Data Analytics to Identify Driver’s Sleepiness, Cognitive load, and Stress

   Författare :Shaibal Barua; Shahina Begum; Peter Funk; Mobyen Uddin Ahmed; Christer Ahlström; Nirmalie Wiratunga; Mälardalens högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Driver monitoring; Driver state; Physiological signals; Machine learning; Contextual information; Computer Science; datavetenskap;

   Sammanfattning : Driving a vehicle in a dynamic traffic environment requires continuous adaptation of a complex manifold of physiological and cognitive activities. Impaired driving due to, for example, sleepiness, inattention, cognitive load or stress, affects one’s ability to adapt, predict and react to upcoming traffic events. LÄS MER

5. 14. Wheels, Rails and Insulated Joints - Damage and Failure Probability at High Speed and Axle Load

   Författare :Johan Sandström; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; rail breaks; probability; railway mechanics; contact mechanics; insulated joints; defects; fatigue;

   Sammanfattning : The thesis deals with some fatigue related problems in railway mechanics related to increased axle loads and speeds. The focus is on defects and discontinuities in the wheel--rail system that affect the risk of fatigue and fracture of railway components such as wheels, rails and insulated joints. LÄS MER

7. 15. HIV therapies : from health-related quality of life to DNA levels

   Författare :Lars E Eriksson; Karolinska Institutet; Karolinska Institutet; []
   Nyckelord :AIDS; antiretroviral therapy; CD4; DNA load; HIV; immunotherapy; viral kinetics; nursing; medical care; quality of life; real-time PCR; rgpl60; RNA load; therapy interruption.;

   Sammanfattning : The treatment of people infected with HIV was revolutionised with the introduction of protease inhibitor based antiretroviral combination therapy. The therapy has greatly reduced the incidence of AIDS and AIDS-related mortality in the industrialised world. LÄS MER