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It is shown that a general form of Popov multipliers can be used in stability analysis based on integral quadratic constraints (IQC). The Popov multiplier is nonproper and a condition that the nominal plant is strictly proper will be imposed in order to ensure boundedness of the IQC corresponding to the Popov multiplier. A consequence of our main result is that the classical Popov criterion can be
Length and area regularization are commonplace for inverse problems today. It has however turned out to be much more difficult to incorporate a curvature prior. In this paper we propose two improvements to a recently proposed framework based on global optimization. The mesh geometry is analyzed both from a theoretical and experimental viewpoint and hexagonal meshes are shown to be superior. Our se
Business Rules (BR) and Business Processes (BP) are essential pillars in any Business Information System (BIS) and important areas of BIS design (BISD). Historically, BRs have been overlooked as a part of BISD. The Business Rules Approach (BRA) focuses on concepts and methods to remedy the neglected BR design and management. BRs in this perspective are stateless and concerned with the “what” of a
A proposal to investigate into night history/ histories as an unexplored field of humanistic research
The required moment of inertia for steel plate girders is commonly provided by using relatively slender webs to achieve high strength-to-weight ratio. A large part of the shear capacity of such plate girders depends on the post-buckling reserve strength of the web panels due to the diagonal tension field mechanism. The effectiveness of the tension field significantly depends on geometrical and mec
Capsazepine is known as a transient receptor potential channel vanilloid subfamily 1 (TRPV1) antagonist that inhibits bronchoconstriction evoked in animals by TRPV1 agonists. In this study, effects of capsazepine and chemically related analogues, so called capsazepinoids, were examined in vitro on contractile effects in human small airway preparations. Repeated cycles with 1 h of LTD4-free physiol
Robotised welding is one of the most important robot tasks used in manufacturing industry. The operator usually performs the programming of the robot manually, i.e. by jogging the robot arm to each coordinate pose in space. Programming can, however, be made more accurate by the use of simulation, using so called Computer Aided Robotics. Simulation can also be a powerful tool to evaluate and contro
Abstract in Undetermined EU-kommissionen Vitbok om skadestånd vid brott mot EG:s antitrustregler förstärker rätten till skadestånd vid konkurrensrättsliga överträdelser. Privat skadeståndstalan ska komplettera offentlig-rättsliga sanktioner och leda till en effektivare konkurrensrättslig övervakning. Motsvarande svenska regler har varit ikraft sedan 1993 utan att ha satt stora spår i praxis. Arti
Exposure to vibrations from tools and machines used in construction work can induce damages to the human body. One of the most frequent symptoms is the hand-arm vibration syndrome commonly known as white fingers. The proportions of the international workforce exposed to vibrations are high and dominating sectors are construction, agriculture, forestry, and transport. Particularly exposed construct
