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- Integrated monitoring system (4)
- Offshore wind turbines (4)
- Structural assessment (4)
- Data management (3)
- Limit values (3)
- Monitoring (3)
- Rotor blades (3)
- Windenergieanlagen (3)
- Assessment (2)
- Bauliche Bewertung (2)
- Damage Identification (2)
- Damage detection (2)
- Damage identification (2)
- Data analysis (2)
- Design verification (2)
- Dynamik (2)
- Embedded sensors (2)
- Feature extraction (2)
- Offshore (2)
- Wind turbines (2)
- Automated operational modal analysis (1)
- Automated system identification (1)
- Brücken (1)
- Continuous dynamic monitoring (1)
- Control of dynamic behavior (1)
- Damage Detection (1)
- Dauerüberwachung (1)
- Design Improvement (1)
- Dynamic analysis (1)
- Dynamische Untersuchungen (1)
- Early damage detection (1)
- Embedded FBG sensors (1)
- Embedded Sensors (1)
- Environmental and operational effects (1)
- Environmental/operational effects (1)
- Health Monitoring (1)
- Integrated Monitoring System (1)
- Load Monitoring (1)
- Load identification (1)
- Load monitoring (1)
- Load transfer (1)
- Measurement hardware (1)
- Modal analysis (1)
- Offshore Structures (1)
- Offshore wind energy turbines (1)
- Resonance (1)
- Schadensanalyse (1)
- Schadensfrüherkennung (1)
- Sensorik (1)
- Structural Health Monitoring (1)
- Structural health monitoring (1)
- Structural modification (1)
- Verkehrslasten (1)
- Vibration (1)
- Vibration-based structural health monitoring system (1)
- Westend bridge (1)
- Wind Energy (1)
- Wind turbine (1)
- Windlasten (1)
- Zustandsüberwachung (1)
- Zustandüberwachung (1)
To ensure a high operational reliability of future generations of offshore wind conversion systems (OWEC) with economically acceptable repair and maintenance efforts, comprehensive diagnosis and supervision concepts are required. Automatic monitoring systems will be an essential part of such concepts. Because of the fact, that during operation there will be static and dynamic interaction between the components 'structure', 'machinery' and 'blades' it is necessary to develop the monitoring techniques in an overall concept. These monitoring systems are supposed to be applied for the design and testing as well as for the operation and maintenance phases. The used methods are focused on the design requirements for the structure, which are stated in the respective standards and certification guidelines. For the validation of the design, methods are specified which would be also applicable for SHM in the operating condition, e.g. for the evaluation of the structural conditon possibly after the occurrence of damages or changes. The further task consists in the realization of condition monitoring for all components, aiming at early damage detection and the observation of the damage development and its evaluation. Here the task consists of determining with assessment procedures the optimum time for maintenance actions to be carried out.
The concept and technical details of the implementation of the developed integrated monitoring system within the IMO-WIND project are presented. The tasks of the components of the system and its requirements are described. Selected results from the continuous monitoring during operation of the plant M5000_2 regarding the task design verification and dynamic structural analysis are given.
Following a modular concept an integrated monitoring system has been developed that includes all components of offshore wind turbines (OWEC). Using commercially available measurement equipments of the involved partners this system was tested at the wind turbine Multibrid M5000_2 in Bremerhaven. Additional results of the research project are findings on the use of embedded FBG sensors in rotor blades that allow condition assessments based on local information. Newly developed algorithms for the identification of external loads and damage characteristics of the structural components have been tested in operation. Developed methods for monitoring based structural assessment were used, which will be suitable to optimize structural maintenance works.