Title: The specification of and testing of a Horizontal Axis Tidal Turbine Rotor Monitoring approach

Citation
Allmark MJ, Grosvenor R, Prickett P (2018). The specification of and testing of a Horizontal Axis Tidal Turbine Rotor Monitoring approach. Cardiff University. https://doi.org/10.17035/d.2018.0055962840

Dataset Details

Publisher: Cardiff University

Date (year) of data becoming publicly available: 2018

Coverage start date: 01/09/2016

Coverage end date: 03/10/2018

Data format: .mat

Software Required: MATLAB

Estimated total storage size of dataset: Less than 100 megabytes

DOI : 10.17035/d.2018.0055962840

DOI URL: http://doi.org/10.17035/d.2018.0055962840

Description

DATA Set Created at Cardiff University based on research presented in the IJPHM paper, 'the specification of and testing of a horizontal axis tidal turbine rotor monitoring approach.'

List of Data Files:
CFD_DATA.mat
InitialSimsTI000_0.mat
InitialSimsTI000_5.mat
InitialSimsTI001_0.mat
InitialSimsTI002_0.mat
InitialSimsTI010_0.mat
CMMetricsTI000_5.mat
CMMetricsTI001_0.mat
CMMetricsTI002_0.mat
CMMetricsTI010_5.mat
ClassificationResultsTI000_5.mat
ClassificationResultsTI001_0.mat
ClassificationResultsTI002_0.mat
ClassificationResultsTI010_0.mat
FluidTimSeriesTI010_0.mat
Ct.txt
TSR.txt

INFORMATION on DATA FILES:

CFD_Data:
This data set in the form of matlab structure contains data from the CFD models undertaken to produce the paramertisation data for the model detailed in the paper.

CTC - Vector containing the non-dimensional torque curve for the turbine rotor being studied.
ITSR - The Tip-Speed-Ration indexes for the above torque curve.

Steady_State_Parameters--|-Optimum----|--CFD Data : CFD TimeStamp (Seconds), Rotor Position (Degrees), Tootal Torque (Nm), Torque Contribution Blade1 (Nm), Torque Contribution Blade2 (Nm), Torque Contribution Blade3 (Nm).
| |--Model Data: Details of the CFD model - Rotor Radius (m), Rotational Velocity (Rad/s), Mean Fluid Velocity (m/s).
|
|-Off6_5-----|--CFD Data: CFD TimeStamp (Seconds), Rotor Position (Degrees), Tootal Torque (Nm), Torque Contribution Blade1 (Nm), Torque Contribution Blade2 (Nm), Torque Contribution Blade3 (Nm).
| |--Model Data: Details of the CFD model - Rotor Radius (m), Rotational Velocity (Rad/s), Mean Fluid Velocity (m/s).
|
|-Off9-------|--CFD Data: CFD TimeStamp (Seconds), Rotor Position (Degrees), Tootal Torque (Nm), Torque Contribution Blade1 (Nm), Torque Contribution Blade2 (Nm), Torque Contribution Blade3 (Nm).
| |--Model Data: Details of the CFD model - Rotor Radius (m), Rotational Velocity (Rad/s), Mean Fluid Velocity (m/s).
|
|-Off12------|--CFD Data: CFD TimeStamp (Seconds), Rotor Position (Degrees), Tootal Torque (Nm), Torque Contribution Blade1 (Nm), Torque Contribution Blade2 (Nm), Torque Contribution Blade3 (Nm).
|--Model Data: Details of the CFD model - Rotor Radius (m), Rotational Velocity (Rad/s), Mean Fluid Velocity (m/s).

InititalSimsTIxxx_x:

Here XXX_X is the TI for the simulation contained in the matlab workspace e.g. InitialSimsTI010_0.mat contains the simulation results for the TI = 10% simulations.

CTC - Vector containing the non-dimensional torque curve for the turbine rotor being studied.
ITSR - The Tip-Speed-Ration indexes for the above torque curve.

Steady_State_Parameters--|-Optimum----|--CFD Data : CFD TimeStamp (Seconds), Rotor Position (Degrees), Tootal Torque (Nm), Torque Contribution Blade1 (Nm), Torque Contribution Blade2 (Nm), Torque Contribution Blade3 (Nm).
| |--Model Data: Details of the CFD model - Rotor Radius (m), Rotational Velocity (Rad/s), Mean Fluid Velocity (m/s).
|
|-Off6_5-----|--CFD Data: CFD TimeStamp (Seconds), Rotor Position (Degrees), Tootal Torque (Nm), Torque Contribution Blade1 (Nm), Torque Contribution Blade2 (Nm), Torque Contribution Blade3 (Nm).
| |--Model Data: Details of the CFD model - Rotor Radius (m), Rotational Velocity (Rad/s), Mean Fluid Velocity (m/s).
|
|-Off9-------|--CFD Data: CFD TimeStamp (Seconds), Rotor Position (Degrees), Tootal Torque (Nm), Torque Contribution Blade1 (Nm), Torque Contribution Blade2 (Nm), Torque Contribution Blade3 (Nm).
| |--Model Data: Details of the CFD model - Rotor Radius (m), Rotational Velocity (Rad/s), Mean Fluid Velocity (m/s).
|
|-Off12------|--CFD Data: CFD TimeStamp (Seconds), Rotor Position (Degrees), Tootal Torque (Nm), Torque Contribution Blade1 (Nm), Torque Contribution Blade2 (Nm), Torque Contribution Blade3 (Nm).
|--Model Data: Details of the CFD model - Rotor Radius (m), Rotational Velocity (Rad/s), Mean Fluid Velocity (m/s).

SteadyStateSimulation----|-Optimum----(1 to i)|--SimInfo: Gives all the information used to create the simulation. This includes the parameters used for the model detailed in [1] and the turbine information.
| |--SimResults: Model TimeStamp (Seconds), Rotor Position (Degrees), Tootal Torque (Nm), Torque Contribution Blade1 (Nm), Torque Contribution Blade2 (Nm), Torque Contribution Blade3 (Nm), FluidVelocity (m/s).
|
|-Off6_5-----(1 to i)|--SimInfo: Gives all the information used to create the simulation. This includes the parameters used for the model detailed in [1] and the turbine information.
| |--SimResults: Model TimeStamp (Seconds), Rotor Position (Degrees), Tootal Torque (Nm), Torque Contribution Blade1 (Nm), Torque Contribution Blade2 (Nm), Torque Contribution Blade3 (Nm), FluidVelocity (m/s).
|
|-Off9-------(1 to i)|--SimInfo: - Gives all the information used to create the simulation. This includes the parameters used for the model detailed in [1] and the turbine information.
| |--SimResults: Model TimeStamp (Seconds), Rotor Position (Degrees), Tootal Torque (Nm), Torque Contribution Blade1 (Nm), Torque Contribution Blade2 (Nm), Torque Contribution Blade3 (Nm), FluidVelocity (m/s).
|
|-Off12------(1 to i)|--SimInfo: - Gives all the information used to create the simulation. This includes the parameters used for the model detailed in [1] and the turbine information.
|--SimResults: Model TimeStamp (Seconds), Rotor Position (Degrees), Tootal Torque (Nm), Torque Contribution Blade1 (Nm), Torque Contribution Blade2 (Nm), Torque Contribution Blade3 (Nm), FluidVelocity (m/s).

NOTE: 1 to i refer to the simualtion number. for cases InitialSimsTI000_5, InitialSimsTI001_0 and InitialSimsTI002_0 there are 50 cases, i.e. i = 50. For the InitialSimsTI010_0 case there are 10 cases, i.e i = 10.

CMMetricsTIxxx_x:

Here XXX_X is the TI for the simulation contained in the matlab workspace e.g. CMMetricsTI010_0.mat contains the condition monitoring metrics outlined in [1] for the TI = 10% simulations.

NormCMData: Matrix (4 by (number of simulations x number of fault cases))
The matrix contains the normalised condition monitoring metrics detailed in [1], each row contains a specific metrix i.e row 1 contains CM metric 1 (as defined in [1]). In the case of the TI000_5 to TI002_0 cases, there are 50 simulations of 4 differing rotor conditions, resulting in 200 columns.
The first 50 contain data relatig to the optimum case and so on, in the order 'Optimum', 'Off6_5', 'Off9', 'Off12'.
This data was used to train the NBCs detailed in [1].

ClassificationResultsTIxx_x:
Here XXX_X is the TI for the simulation contained in the matlab workspace e.g. ClassificationResultsTI010_0.mat contains the cNBC results for the TI = 10% simulations.

For Each fault case the following variables provide the results of the testing of the trained NBCs, trained as detailed in [1]. The case in the variable title refers to the condition of the data inputted into the NBC>
NBClabel___: The MAP classification results for the inputted data set.
NBCPosterior___: Posterior probability returned via the NBC for the inputted dataset.
nbccOSToPT___: Cost of making the classification for the inputted data.

FluidTimeSeriesTI010_0:
Fluid time series generated via the process outline in Appendix A of [1]

ct.txt
Non-Dimensional Torque Curve, for the rotor.

TSR.txt.
Tip-Speed ratio index for the ct curve.

Research results based upon these data are published in International Journal of Prognostics and Health Management 9(2), pp. 1-15, article number: 25