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In diesem Beitrag wird zunächst ein einführender Überblick über die Thematik eines Marketing-Controlling spezifischen Rechtsrahmens gegeben. Da die Datenerhebung, -verarbeitung und -analyse stets die Hauptfunktionsmerkmale eines Marketing-Controllings sind, stehen nach diesem Überblick die Rechtsgrundlagen eines Datenschutzes im Mittelpunkt der folgenden Ausführungen.
Many countries offer state credit guarantees to support credit-constrained exporters. The policy instrument is commonly justified by governments as a means to mitigating adverse outcomes of financial market frictions for exporting firms. Accumulated returns to the German state credit guarantee scheme deriving from risk-compensating premia have outweighed accumulated losses over the past 60 years. Why do private financial agents not step in and provide insurance given that the state-run program yields positive returns? We argue that costs of risk diversification, liquidity management, and coordination among creditors limit the ability of private financial agents to offer comparable insurance products. Moreover, we suggest that the government’s greater effectiveness in recovering claims in foreign countries endows the state with a cost advantage in dealing with the risks involved in large export projects. We test these hypotheses using monthly firm-level data combined with official transaction-level data on covered exports of German firms and find suggestive evidence that positive effects on trade are due to mitigated financial constraints: State credit guarantees benefit firms that are dependent on external finance, if the value at risk which they seek to cover is large, and at times when refinancing conditions on the private financial market are tight.
In this paper, a systematic comparison of three different advanced control strategies for automated docking of a vessel is presented. The controllers are automatically tuned offline by applying an optimization process using simulations of the whole system including trajectory planner and state and disturbance observer. Then investigations are conducted subject to performance and robustness using Monte Carlos simulation with varying model parameters and disturbances. The control strategies have also been tested in full scale experiments using the solar research vessel Solgenia. The investigated control strategies all have demonstrated very good performance in both, simulation and real world experiments. Videos are available under https://www.htwg-konstanz.de/forschung-und-transfer/institute-und-labore/isd/regelungstechnik/videos/
This paper describes the development of a control system for an industrial heating application. In this process a moving substrate is passing through a heating zone with variable speed. Heat is applied by hot air to the substrate with the air flow rate being the manipulated variable. The aim is to control the substrate’s temperature at a specific location after passing the heating zone. First, a model is derived for a point attached to the moving substrate. This is modified to reflect the temperature of the moving substrate at the specified location. In order to regulate the temperature a nonlinear model predictive control approach is applied using an implicit Euler scheme to integrate the model and an augmented gradient based optimization approach. The performance of the controller has been validated both by simulations and experiments on the physical plant. The respective results are presented in this paper.
inno4regio
(2021)
Unternehmen stehen häufig unter einem Innovationsdruck, um ihre langfristige Wettbewerbsfähigkeit zu sichern. Vor allem kleine und mittelständische Unternehmen sind hier besonders gefordert, da ihnen vielfach die erforderlichen Ressourcen oder Kompetenzträger fehlen und das tägliche operative Geschäft häufig eine intensive Auseinandersetzung mit dem Thema nicht zulässt.
Diese Unternehmen sind auf externe Ressourcen angewiesen. Hinzu kommt die Unsicherheit vieler Unternehmer hinsichtlich Kooperationsmöglichkeiten mit öffentlichen Forschungseinrichtungen sowie organisatorische Bedenken mit dem damit verbundenen Koordinationsaufwand.
Das Innovationsportal inno4regio kann genau hier Abhilfe schaffen. Mittels standardisierter Prozesse soll den Unternehmern eine Möglichkeit geboten werden, externe Innovationsvorhaben durch eine Problemanalyse anzustoßen und die notwendigen Partner aus der Hochschulwelt einzubinden. Der Zugriff über einen Knotenpunkt auf das fachliche sowie kreative Personal von rund dreißig Hochschulen im Verbund der Internationalen Bodensee-Hochschule ist dabei ein Alleinstellungsmerkmal, welches in dieser Form bisher noch nicht am Markt existiert.
This paper presents a generic method to enhance performance and incorporate temporal information for cardiorespiratory-based sleep stage classification with a limited feature set and limited data. The classification algorithm relies on random forests and a feature set extracted from long-time home monitoring for sleep analysis. Employing temporal feature stacking, the system could be significantly improved in terms of Cohen’s κ and accuracy. The detection performance could be improved for three classes of sleep stages (Wake, REM, Non-REM sleep), four classes (Wake, Non-REM-Light sleep, Non-REM Deep sleep, REM sleep), and five classes (Wake, N1, N2, N3/4, REM sleep) from a κ of 0.44 to 0.58, 0.33 to 0.51, and 0.28 to 0.44 respectively by stacking features before and after the epoch to be classified. Further analysis was done for the optimal length and combination method for this stacking approach. Overall, three methods and a variable duration between 30 s and 30 min have been analyzed. Overnight recordings of 36 healthy subjects from the Interdisciplinary Center for Sleep Medicine at Charité-Universitätsmedizin Berlin and Leave-One-Out-Cross-Validation on a patient-level have been used to validate the method.