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External Controller design for GH Bladed and OpenFAST (Bladed interface)

Contents

Folder -- Bladed_NREL5MW_model:

  • NREL_5MW_CPC.prj/prx GH Bladed project of a 5MW turbine
  • wind012.wnd Sample 12 m/s turbulent wind file (Bladed)

Folder -- Simulink_32bit:

Refer to README.txt file in the folder (Credits and thanks to J. Butterworth, Envision Energy)

Folder -- Simulink_64bit:

  • DISCON_Empty.slx Empty controller file, including all available inputs and outputs
  • DISCON_NREL5MW.slx Baseline NREL5MW controller for use with Bladed or OpenFAST
  • Parameters_NREL5MW.mat Parameters needed for compilation of the controller
  • discon.c C file (needed for the generation of DISCON.DLL from a Simulink model)
  • discon.tlc TLC file (needed for the generation of DISCON.DLL from a Simulink model)
  • discon_vc.tmf TMF file (needed for the generation of DISCON.DLL from a Simulink model)

Requirements (for 64-bit DLL/SO compilation):

  1. GH Bladed
  2. MATLAB / Simulink, tested with 2018b, but might also work with other versions
  3. Microsoft Visual Studio 2005/2008/2010

Compiling DISCON DLL 32-bit:

1a. For 32-bit DLL compilation, install Windows Windows SDK 7.1, and see further instructions in the "Simulink_32bit\README.txt" file: https://nl.mathworks.com/matlabcentral/answers/101105-how-do-i-install-microsoft-windows-sdk-7-1

Compiling DISCON DLL 64-bit:

  1. For 64-bit compilation, download the latest 64-bit MATLAB version (tested with 2018b) and install the MinGW compiler: https://nl.mathworks.com/support/compilers.html
  2. Open MATLAB and load the Parameters_NREL5MW.mat in your current workspace
  3. Change your current folder to the .\Simulink_files folder
  4. Open DISCON_xxx.slx in Simulink
  5. Press CTRL-B to build a DLL

Note: When compiling a 32-bit DISCON DLL, you can use the DLL with Bladed and a 32-bit version of OpenFAST (fast_win32.exe). When you use a 64-bit version of MATLAB, the compiled DLL will also be 64-bit, which is incompatible with Bladed, but compatible with 64-bit OpenFAST (openfast_x64.exe).

Comments:

  1. Do not change the names of the inputs and outputs blocks in DISCON_xxx.slx
  2. Do not change the name DISCON_xxx.slx to DISCON.slx (all other names are allowed)

References

Sebastiaan Mulders [email protected] Delft Center of Systems and Control Delft University of Technology

Credits to:

Ivo Houtzager Delft Center of Systems and Control Delft University of Technology

Jeffrey Butterworth, Ph.D. (Support in making 32 bit compilation possible with a 64 bit MATLAB) Envision Energy 1919 14th Street, Suite 800 Boulder, CO 80302