Xiaohan liu (5 résultats)

Taschenbuch. Etat : Neu. Druck auf Anfrage Neuware - Printed after ordering - Lightweight footbridges are usually elegant and pleasing in terms of their structural design; however, they areprone to high-vibration sensitivity under pedestrian traffic. Multi-modal active vibration control (AVC) techniqueswith sensors and actuators could be potential alternatives to decrease multi-modal vibrations and guarantee thepedestrian comfort. The research object is the stress-ribbon footbridge in the lab at the Chair of Conceptual andStructural Design of Technische Universität Berlin. The extremely low bending stiffness as well as the extremelylow structural damping lead to an unusually high vibration sensitivity not only in the vertical direction but alsoin the spatial dimension. Additionally, pedestrian-induced vibration on the lightweight footbridge demonstratesmulti-modal time-varying characteristics in both time-frequency analysis (TFA) and experimental modal analysis.A multi-modal AVC system (AVC 2.0) is applied and implemented on the stress-ribbon bridge with inertial sensorsand pneumatic muscle actuators (PMAs) to reduce the multi-modal vibration in vertical and torsional modes. …

Taschenbuch. Etat : Neu. Multi-Modal Active Vibration Control of a Lightweight Stress-Ribbon Bridge Based on Experimental System Identification | Dissertationsschrift | Xiaohan Liu | Taschenbuch | 216 S. | Englisch | 2018 | epubli | EAN 9783746780504 | Verantwortliche Person für die EU: Neopubli GmbH, Sebastian Stude, Köpenicker Str. 154a, 10997 Berlin, produktsicherheit[at]epubli[dot]com | Anbieter: preigu.…

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Taschenbuch. Etat : Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Lightweight footbridges are usually elegant and pleasing in terms of their structural design; however, they areprone to high-vibration sensitivity under pedestrian traffic. Multi-modal active vibration control (AVC) techniqueswith sensors and actuators could be potential alternatives to decrease multi-modal vibrations and guarantee thepedestrian comfort. The research object is the stress-ribbon footbridge in the lab at the Chair of Conceptual andStructural Design of Technische Universität Berlin. The extremely low bending stiffness as well as the extremelylow structural damping lead to an unusually high vibration sensitivity not only in the vertical direction but alsoin the spatial dimension. Additionally, pedestrian-induced vibration on the lightweight footbridge demonstratesmulti-modal time-varying characteristics in both time-frequency analysis (TFA) and experimental modal analysis.A multi-modal AVC system (AVC 2.0) is applied and implemented on the stress-ribbon bridge with inertial sensorsand pneumatic muscle actuators (PMAs) to reduce the multi-modal vibration in vertical and torsional modes. 216 pp. Englisch.…

Etat : New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. A multi-modal AVC system (AVC 2.0) is applied and implemented on a lightweight stress-ribbon bridge with inertial sensors and pneumatic muscle actuators to reduce the multi-modal spatial vibration.Lightweight footbridges are usually elegant and pleasing.…