TY - CHAP A1 - Wu, Ziyi A1 - Kemper, Hans T1 - The optimal 48 V – battery pack for a specific load profile of a heavy duty vehicle T2 - 8. Internationale Fachtagung Kraftwerk Batterie : 26. – 27. April 2016, Münster, Deutschland Y1 - 2016 ER - TY - CHAP A1 - Neu, Eugen A1 - Janser, Frank A1 - Khatibi, Akbar A. A1 - Orifici, Adrian C. T1 - In-flight vibration-based structural health monitoring of aircraft wings T2 - 30th Congress of the internatonal council of the aeronautical sciences : 25.-30. September 2016, Daejeon, Korea N2 - This work presents a methodology for automated damage-sensitive feature extraction and anomaly detection under multivariate operational variability for in-flight assessment of wings. The method uses a passive excitation approach, i. e. without the need for artificial actuation. The modal system properties (natural frequencies and damping ratios) are used as damage-sensitive features. Special emphasis is placed on the use of Fiber Bragg Grating (FBG) sensing technology and the consideration of Operational and Environmental Variability (OEV). Measurements from a wind tunnel investigation with a composite cantilever equipped with FBG and piezoelectric sensors are used to successfully detect an impact damage. In addition, the feasibility of damage localisation and severity estimation is evaluated based on the coupling found between damageand OEV-induced feature changes. Y1 - 2016 ER - TY - JOUR A1 - Neu, Eugen A1 - Janser, Frank A1 - Khatibi, Akbar A. A1 - Orifici, Adrian C. T1 - Automated modal parameter-based anomaly detection under varying wind excitation JF - Structural Health Monitoring N2 - Wind-induced operational variability is one of the major challenges for structural health monitoring of slender engineering structures like aircraft wings or wind turbine blades. Damage sensitive features often show an even bigger sensitivity to operational variability. In this study a composite cantilever was subjected to multiple mass configurations, velocities and angles of attack in a controlled wind tunnel environment. A small-scale impact damage was introduced to the specimen and the structural response measurements were repeated. The proposed damage detection methodology is based on automated operational modal analysis. A novel baseline preparation procedure is described that reduces the amount of user interaction to the provision of a single consistency threshold. The procedure starts with an indeterminate number of operational modal analysis identifications from a large number of datasets and returns a complete baseline matrix of natural frequencies and damping ratios that is suitable for subsequent anomaly detection. Mahalanobis distance-based anomaly detection is then applied to successfully detect the damage under varying severities of operational variability and with various degrees of knowledge about the present operational conditions. The damage detection capabilities of the proposed methodology were found to be excellent under varying velocities and angles of attack. Damage detection was less successful under joint mass and wind variability but could be significantly improved through the provision of the currently encountered operational conditions. Y1 - 2016 U6 - https://doi.org/10.1177/1475921716665803 SN - 1475-9217 VL - 15 IS - 6 SP - 1 EP - 20 PB - Sage CY - London ER - TY - JOUR A1 - Enning, Manfred A1 - Pfaff, Raphael T1 - Digitalisierung bringt mehr Güter auf die Schiene JF - Sonderprojekte ATM/MTZ Y1 - 2016 U6 - https://doi.org/10.1007/s41491-016-0570-7 SN - 2509-4610 VL - 21 IS - 6 (suppl.) SP - 34 EP - 37 PB - Springer Fachmedien CY - Wiesbaden ER - TY - GEN A1 - Eickmann, Matthias A1 - Esch, Thomas A1 - Funke, Harald A1 - Abanteriba, Sylvester A1 - Roosen, Petra T1 - Biofuels in Aviation – Safety Implications of Bio-Ethanol Usage in General Aviation Aircraft N2 - Up in the clouds and above fuels and construction materials must be very carefully selected to ensure a smooth flight and touchdown. Out of around 38,000 single and dual-engined propeller aeroplanes, roughly a third are affected by a new trend in the fuel sector that may lead to operating troubles or even emergency landings: The admixture of bio-ethanol to conventional gasoline. Experiences with these fuels may be projected to alternative mixtures containing new components. Y1 - 2014 N1 - 2. International Conference of the Cluster of Excellence Tailor-Made Fuels from Biomass, Aachen 2013 ER - TY - JOUR A1 - Weihe, Stefan A1 - Ernst, Ansgar A1 - Röth, Thilo A1 - Proksch, Johannes T1 - Aluminium-Stahl-Verbundguss im Nutzfahrzeugbau JF - ATZ - Automobiltechnische Zeitschrift N2 - In modernen Fahrzeugkarosserien der Großserie kommen zunehmend Materialmischbauweisen zur Anwendung. In Zusammenarbeit der Daimler AG, der Tower Automotive Holding GmbH, der Imperia GmbH sowie der Partnerunternehmen KSM Castings GmbH und Schaufler Tooling GmbH & Co. KG wird das Leichtbaupotenzial von Aluminiumverbundguss-Stahlblech-Hybriden am Beispiel des vorderen Dachquerträgers des Mercedes-Benz Viano/Vito ausführlich untersucht. Y1 - 2013 SN - 2192-8800 (Online) SN - 0001-2785 (Print) VL - 115 IS - 4 SP - 312 EP - 316 PB - Springer Fachmedien Wiesbaden ER - TY - JOUR A1 - Weihe, Stefan A1 - Ernst, Ansgar A1 - Röth, Thilo A1 - Proksch, Johannes T1 - Leichtmetall-Stahl-Verbundguss im Nutzfahrzeugbau JF - Lightweight Design N2 - In modernen Fahrzeugkarosserien der Großserie kommen zunehmend Materialmischbauweisen zur Anwendung. In Zusammenarbeit der Daimler AG, der Tower Automotive Holding GmbH, der Imperia GmbH sowie der Partnerunternehmen KSM Castings GmbH und Schaufler Tooling GmbH & Co. KG wird das Leichtbaupotenzial von Stahlblech-AluminiumverbundgussHybriden am Beispiel des vorderen Dachquerträgers des Mercedes-Benz Viano/Vito ausführlich untersucht. Y1 - 2013 SN - 2192-8738 (Online) SN - 1865-4819 (Print) VL - 6 IS - 2 SP - 38 EP - 43 PB - Springer CY - Berlin ER - TY - CHAP A1 - Elsen, Ingo A1 - Schmalzbauer, Michael ED - Reussner, Ralf ED - Grund, Matthias ED - Oberweis, Andreas ED - Tichy, Walter T1 - Messsystematik zur Steuerung der Produkt- und Prozessqualität in Systemintegrationsprojekten – ein Erfahrungsbericht T2 - Software Engineering 2011 - Fachtagung des GI-Fachbereichs Softwaretechnik, 21. - 25. Februar 2011 in Karlsruhe N2 - Der Erfolg eines Softwarenentwicklungsprojektes insbesondere eines Systemintegrationsprojektes wird mit der Erfüllung des „Teufelsdreiecks“, „In-Time“, „In-Budget“, „In-Quality“ gemessen. Hierzu ist die Kenntnis der Software- und Prozessqualität essenziell, um die Einhaltung der Qualitätskriterien festzustellen, aber auch, um eine Vorhersage hinsichtlich Termin- und Budgettreue zu treffen. Zu diesem Zweck wurde in der T-Systems Systems Integration ein System aus verschiedenen Key Performance Indikatoren entworfen und in der Organisation implementiert, das genau das leistet und die Kriterien für CMMI Level 3 erfüllt. Y1 - 2011 SN - 9783885792772 SN - 1617-5468 PB - Gesellschaft für Informatik eV CY - Bonn ER - TY - CHAP A1 - Lao, B. A1 - Bührig-Polaczek, Andreas A1 - Röth, Thilo ED - Wielage, Bernhard T1 - Funktionsintegrierte Leichtbaustrukturen in gussintensiver Metall-Hybridbauweise T2 - Verbundwerkstoffe und Werkstoffverbunde: Tagungsband zum 18. Symposium ; 30.03.2011 bis 01.04.2011, Chemnitz Y1 - 2011 SN - 978-3-00-033801-4 N1 - Schriftenreihe Werkstoffe und werkstofftechnische Anwendungen ; 41 SP - 413 EP - 421 PB - Eigenverlag CY - Chemnitz ER - TY - CHAP A1 - Pasligh, N. A1 - Funke, D. A1 - Röth, Thilo A1 - Krack, R. T1 - Leichtbau Quertrager als Stahlblech-Aluminiumdruckguss-Hybrid - Von der numerischen Berechnung bis zum realen Prototypen T2 - VDI BERICHTE Y1 - 2010 SN - 978-3-18-092107-5 N1 - 15. Kongress SIMVEC Berechnung und Simulation im Fahrzeugbau, Baden-Baden, 16. und 17. November 2010 PB - VDI Verlag CY - Düsseldorf ER -