This paper describes an automatic tuning procedure for dead-time compensating controllers. A first order plus dead time model is identified from two step response experiments. The identification is based on the methods of moments. The model uncertainty is estimated automatically and used in the design to obtain a robust controller.

Abstract in Undetermined In media, policymaking and research, increasing attention is drawn to the phenomenon of ‘green political consumerism’, referring to consumerrelated practices that are based on concerns beyond the traditional criteria of product quality and price. Political consumerism is about expressing non-economic values, that is, values beyond the direct, economic self-interest of cons

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This study uses heterogeneous panel Granger causality tests to investigate the causal relationships between quality of governance and economic growth at the provincial level in China during the reform era. I find a significant and positive effect of economic growth on subsequent quality of governance, largely driven by growth in the secondary sector, but no significant effect of quality of governa

Servicearbetets förvandlingar och förhandlingar tar sin utgångspunkt i de ständigt föränderliga villkor som service- arbetet står inför. detta temanummer har sin upprinnelse i en workshop med temat ”Service på marginalen” med deltagare från institutionen för service management och tjänstevetenskap och inbjudna gäster. En kritisk och reflekterande ansats, grundad i empiriska studier som sätter serv

In the present work, an experimental study related to turbulent flow inside the bend part of a U-duct geometry was performed concerning pressure drop and heat transfer. Such duct geometries can be found inside gas turbine blades, where the cooling air extracts heat from hot internal walls while it is flowing inside the cooling passage. Both friction factors and convective heat transfer coefficient

Popular Abstract in Swedish Denna avhandling behandlar studier av elektriska komponenter med egenskaper dominerade av s.k. kvantfenomen. Dessa komponenter har ur flera synvinklar många önskvärda egenskaper, t.ex. är vissa av dem extremt snabba, andra har mycket låg effektförbrukning eller hög packningstäthet. Avhandlingen är indelad i två delar. Först en introduktion till ämnet där bakomliggande tThis thesis deals with electrical measurements on quantum devices. The thesis is divided into three major areas: electrical characterization, semiconductor devices, and metal devices. The electrical characterization part present problems and advantages with the measurement techniques used in the the thesis, .i.e., Current-Voltage; Conductance, including higher order harmonics; Capacitance; Cross-