<abstract xmlns="http://www.w3.org/1999/xhtml"><p> This paper deals with the fault diagnosis of wind turbines and investigates viable solutions to the problem of earlier fault detection and isolation. The design of the fault indicator, i.e., the fault estimate, involves data-driven approaches, as they can represent effective tools for coping with poor analytical knowledge of the system dynamics, together with noise and disturbances. In particular, the proposed data-driven solutions rely on fuzzy systems and neural networks that are used to describe the strongly nonlinear relationships between measurement and faults. The chosen architectures rely on nonlinear autoregressive models with exogenous input, as they can represent the dynamic evolution of the system along time. The developed fault diagnosis schemes are tested by means of a high-fidelity benchmark model that simulates the normal and the faulty behaviour of a wind turbine. The achieved performances are also compared with those of other model-based strategies from the related literature. Finally, a Monte-Carlo analysis validates the robustness and the reliability of the proposed solutions against typical parameter uncertainties and disturbances.</p></abstract>

This paper deals with the fault diagnosis of wind turbines and investigates viable solutions to the problem of earlier fault detection and isolation. The design of the fault indicator, i.e., the fault estimate, involves data-driven approaches, as they can represent effective tools for coping with poor analytical knowledge of the system dynamics, together with noise and disturbances. In particular, the proposed data-driven solutions rely on fuzzy systems and neural networks that are used to describe the strongly nonlinear relationships between measurement and faults. The chosen architectures rely on nonlinear autoregressive models with exogenous input, as they can represent the dynamic evolution of the system along time. The developed fault diagnosis schemes are tested by means of a high-fidelity benchmark model that simulates the normal and the faulty behaviour of a wind turbine. The achieved performances are also compared with those of other model-based strategies from the related literature. Finally, a Monte-Carlo analysis validates the robustness and the reliability of the proposed solutions against typical parameter uncertainties and disturbances.

Data–Driven Techniques for the Fault Diagnosis of a Wind Turbine Benchmark

International Journal of Applied Mathematics and Computer Science

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Data\u2013Driven Techniques for the Fault Diagnosis of a Wind Turbine Benchmark"}

This paper deals with the fault diagnosis of wind turbines and investigates viable solutions to the problem of earlier fault detection and isolation. The...

Data–Driven Techniques for the Fault Diagnosis of a Wind Turbine Benchmark

Published Online: Jun 29, 2018

Page range: 247 - 268

Received: Mar 15, 2017

Accepted: Jan 29, 2018

DOI: https://doi.org/10.2478/amcs-2018-0018

Keywords
fault diagnosis, analytical redundancy, fuzzy systems, neural networks, residual generators, fault estimation, wind turbine benchmark.

© 2018 Silvio Simani, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Data–Driven Techniques for the Fault Diagnosis of a Wind Turbine Benchmark

Published Online: Jun 29, 2018

Page range: 247 - 268

Received: Mar 15, 2017

Accepted: Jan 29, 2018

DOI: https://doi.org/10.2478/amcs-2018-0018

Keywordsfault diagnosis, analytical redundancy, fuzzy systems, neural networks, residual generators, fault estimation, wind turbine benchmark.

© 2018 Silvio Simani, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
fault diagnosis, analytical redundancy, fuzzy systems, neural networks, residual generators, fault estimation, wind turbine benchmark.