Essays about: "variable test"

Showing result 21 - 25 of 441 essays containing the words variable test.

  1. 21. School pressure and psychosomatic complaints among Swedish adolescents: does physical activity play a buffering role?

    University essay from Stockholms universitet/Institutionen för folkhälsovetenskap

    Author : Alicia Birgersson; [2023]
    Keywords : School pressure; psychosomatic health complaints; physical activity; adolescents; moderation;

    Abstract : Aim: The aim of the study was to explore the association between school pressure and psychosomatic health complaints and the potentially moderating effect of physical activity in a Swedish cohort of adolescents.Method: Cross-sectional data from the Swedish Health Behavior in School-aged Children (HBSC) survey of 2017/2018 was used, with participants aged 11-15 (n=3,745). READ MORE

  3. 22. Sensorless Control of Synchronous Reluctance Machines and Permanent Magnet Synchronous Machines for Pump Applications

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Erik Lindberg; [2023]
    Keywords : Variable speed drives; Sensorless control; Luenberger observer; Synchronous reluctance machine; Permanent magnet synchronous machines; Vector control; Model reference adaptive system; Variabel hastighetsreglering; Sensorlös reglering; Luenberger observatör; Synkron reluktansmaskin; Permanentmagnetmaskin; Vektorreglering; Adaptiv modelreferensreglering;

    Abstract : Energy efficiency in electric machines is both environmentally and economically important. Water pumps with an integrated Variable Frequency Drive (VFD) and a Permanent Magnet Synchronous Machine (PMSM) have challenged the status quo of the Induction Machine (IM) for water pumps. READ MORE

  4. 23. Cultural backlash to globalization and right-wing power: Import competition shaping sexual beliefs in Western Europe

    University essay from Lunds universitet/Ekonomisk-historiska institutionen

    Author : Matteo Magnano; [2023]
    Keywords : Business and Economics; Social Sciences;

    Abstract : Does economic globalization impact sexual beliefs, contributing to the rise of right-wing parties? Although voters may not discern threats from trade shocks, individual economic insecurity theoretically impacts cultural attitudes and sparks a backlash towards outgroups, in turn contributing to right-wing candidates that campaign leveraging intolerance. Considering that scholars provide evidence for import competition strengthening support for right-wing parties, this study accounts for the peculiarities of European Parliament elections and their electoral outcomes of 2019. READ MORE

  5. 24. State-Sponsored Gambling Advertising

    University essay from Handelshögskolan i Stockholm/Institutionen för marknadsföring och strategi

    Author : Otto Lundbergh; Oliver Ohlin; [2023]
    Keywords : Swedish Gambling Market; Gambling Advertising; Svenska Spel; Share of Voice;

    Abstract : Gambling in Sweden is increasing and is a large issue for both individuals and the state. The largest actor on the Swedish market is the state-owned company Svenska Spel which offers gambling services online and with a monopoly runs casinos and physical slot machines. To promote their games, Svenska Spel advertises through multiple channels. READ MORE

  6. 25. Wind Turbine Recovery Forecasting using Survival Analysis

    University essay from Lunds universitet/Matematisk statistik

    Author : Anton Palets; [2023]
    Keywords : Survival analysis; Recovery Forecast; Wind Turbine; Availability Forecast; AFT model; Aalen s model; Cox regression; Cox Proportional Hazards; Variation Processes; Mathematics and Statistics;

    Abstract : The goal of this thesis is to present a methodology for predicting time until recovery of failed wind turbines. The necessity is motivated by the potential for more accurate wind energy export forecasts. The current approach rests entirely on having an expert examine the turbine and produce a time estimate. READ MORE