27 April 2007 Active mounts for marine application: the BMBF research project "Active aggregate mounts to reduce structure vibrations and structure-borne sound transmission"
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Abstract
The goal of the project is to develop active mounts that isolate the main power engine using piezoceramic actuators operating in the load transmission of the common engine mounts. These mounts are to use high-frequency conducted adaptive countermeasures to reduce the unwanted vibrations caused by the motor. Integrating the active piezoceramic based Interfaces directly in the load transmission of the mount, which is a safety critical component, the system reliability of these mounts will face special challenges. Designing these active mounts several measures on the target ship have been done. Based on these measurements simulations of the dynamic behavior of the ship, the passive mounts and the aggregate have been done to design the active mounts and to simulate its properties to optimise and to design e.g., the adaptive control in a early state of the project. For the experimental research a test rig with a reduced ship structure and the main engine was build up at the LBF to investigate the performance and the system reliability of the active mounts. The project started in 2004, has an intended duration of three years and will end with the presentation of a ship with the abovementioned active mount.
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M. Matthias, M. Matthias, A. Friedmann, A. Friedmann, T. Koch, T. Koch, T. Drögemüller, T. Drögemüller, } "Active mounts for marine application: the BMBF research project "Active aggregate mounts to reduce structure vibrations and structure-borne sound transmission"", Proc. SPIE 6525, Active and Passive Smart Structures and Integrated Systems 2007, 65251Z (27 April 2007); doi: 10.1117/12.715639; https://doi.org/10.1117/12.715639
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