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Criteria for Design of PID Controllers

This paper treats robustness constraints and performancecriteria for design of PID controllers. It is shown that robustnessconstraints are essential, and that controller design basedon maximization of performance criteria without robustnessconstraints give poor controllers. It is also shown thatthe robustness constraints have a significant influence on theperformance, and that the performance ofte

Partsrelationer och makt

Maktförhållandena på den svenska arbetsmarknaden har växlat mellan perioder av facklig offensiv och perioder då arbetsgivarna drivit utvecklingen i sin riktning. Utmärkande för Sverige är att parterna snarare än staten står för arbetslivets reglering. Det har inte hindrat att staten under vissa perioder uppträtt mer aktivt än under andra. I kapitlet anläggs ett 100-årsperspektiv på de svenska arbe

Assistive devices among very old Europeans - Results from the ENABLE-AGE Project

The aim of this study was to investigate use and need for assistive devices (AD) in a cross-national European sample. Data from the ENABLE-AGE research project were utilised involving very old persons in Sweden, Germany, Latvia, Hungary and the United Kingdom. Of the total sample 65% reported that they had and used one or more AD, and 14% reported unfilled need for AD. The most commonly used AD we

Gesture production and speech fluency in competent speakers and language learners

It is often assumed that a main function of gestures is to compensate for expressive difficulties. This predicts that gestures should mainly occur with disfluent speech. However, surprisingly little is known about the relationship between gestures and fluent vs. disfluent speech. This study investigates the putative ompensatory role of gesture by examining competent speakers’ and language learners

Transvascular exchange and organ perfusion with reference to colloid and hypertonic solutions, and to endotoxaemia

Popular Abstract in Swedish Effekter av olika blodvolymersättningsmedel och blodförgiftning på genomblödning och utbyte över blodkärlen Vid en rad svåra sjukdomar, som blodförgiftning (sepsis) och omfattande skador på kroppen, kan olika inflammatoriska system aktiveras. Inflammation kan vara till nytta, till exempel när infektioner bekämpas och sår läker, men också till skada. Vid inflammation ökaChanges in vascular permeability can immensely change plasma volume and affect the degree of oedema in the body. In diseases with an increased vascular permeability, adequate fluid therapy is of considerable importance to prevent hypovolaemia. Mechanisms behind differences in effectiveness of various plasma volume expanders to restore a low plasma volume and a compromised microcirculation are stil