Virtual prototyping of an actuator-based structural health monitoring system of wind turbine blades

D. Garcia, D. Tcherniak, K. Branner

Research output: Contribution to conferencePaper

2 Citations (Scopus)

Abstract

Testing and evaluating the performance of a Structural Health Monitoring (SHM) system is a challenging and costly task. A proper experimental assessment of the system is not feasible in most cases. A possible solution is a virtual prototype of the monitored object together with the SHM system. This study presents the initial steps of creating a virtual prototype, namely simulation of the elastic wave propagation due to impact of the actuator. It is shown that even this very initial investigation helps to understand the complex vibration pattern of the blade and how the presence of the damage alters it. Similarly, for the same damage size and location, different actuations locations were studied. The location of the actuator affects the wave propagation, as the interaction with the structural parts of the blade significantly complicates the vibration pattern before it actually reaches the damage region. The results clearly indicate that the actuator-based SHM system has a good wave propagation and damage resolution ratio for damage diagnosis in large blades.

Conference

Conference28th International Conference on Noise and Vibration Engineering, ISMA 2018, Including the 5th International Conference on Uncertainty in Structural Dynamics, USD 2018
Abbreviated titleISMA
CountryBelgium
CityLeuven
Period17/09/1819/09/18
Internet address

Fingerprint

Structural health monitoring
Wind turbines
Wave propagation
Turbomachine blades
Actuators
Elastic waves
Testing
Virtual prototyping

Keywords

  • virtual prototye
  • structural health monitoring (SHM)
  • damage assessment
  • wind turbine blades
  • elastic waves

Cite this

Garcia, D., Tcherniak, D., & Branner, K. (2018). Virtual prototyping of an actuator-based structural health monitoring system of wind turbine blades. Paper presented at 28th International Conference on Noise and Vibration Engineering, ISMA 2018, Including the 5th International Conference on Uncertainty in Structural Dynamics, USD 2018, Leuven, Belgium.
Garcia, D. ; Tcherniak, D. ; Branner, K. / Virtual prototyping of an actuator-based structural health monitoring system of wind turbine blades. Paper presented at 28th International Conference on Noise and Vibration Engineering, ISMA 2018, Including the 5th International Conference on Uncertainty in Structural Dynamics, USD 2018, Leuven, Belgium.10 p.
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Garcia, D, Tcherniak, D & Branner, K 2018, 'Virtual prototyping of an actuator-based structural health monitoring system of wind turbine blades' Paper presented at 28th International Conference on Noise and Vibration Engineering, ISMA 2018, Including the 5th International Conference on Uncertainty in Structural Dynamics, USD 2018, Leuven, Belgium, 17/09/18 - 19/09/18, .

Virtual prototyping of an actuator-based structural health monitoring system of wind turbine blades. / Garcia, D.; Tcherniak, D.; Branner, K.

2018. Paper presented at 28th International Conference on Noise and Vibration Engineering, ISMA 2018, Including the 5th International Conference on Uncertainty in Structural Dynamics, USD 2018, Leuven, Belgium.

Research output: Contribution to conferencePaper

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AU - Tcherniak, D.

AU - Branner, K.

PY - 2018/9/19

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AB - Testing and evaluating the performance of a Structural Health Monitoring (SHM) system is a challenging and costly task. A proper experimental assessment of the system is not feasible in most cases. A possible solution is a virtual prototype of the monitored object together with the SHM system. This study presents the initial steps of creating a virtual prototype, namely simulation of the elastic wave propagation due to impact of the actuator. It is shown that even this very initial investigation helps to understand the complex vibration pattern of the blade and how the presence of the damage alters it. Similarly, for the same damage size and location, different actuations locations were studied. The location of the actuator affects the wave propagation, as the interaction with the structural parts of the blade significantly complicates the vibration pattern before it actually reaches the damage region. The results clearly indicate that the actuator-based SHM system has a good wave propagation and damage resolution ratio for damage diagnosis in large blades.

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KW - elastic waves

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Garcia D, Tcherniak D, Branner K. Virtual prototyping of an actuator-based structural health monitoring system of wind turbine blades. 2018. Paper presented at 28th International Conference on Noise and Vibration Engineering, ISMA 2018, Including the 5th International Conference on Uncertainty in Structural Dynamics, USD 2018, Leuven, Belgium.