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QFT Frequency Domain Control Design Toolbox

The Quantitative Feedback Theory (QFT) Frequency Domain Control Design Toolbox is a collection of MATLAB functions for designing robust feedback systems using the QFT method. The QFT Toolbox includes a convenient GUI that facilitates classical loop shaping of controllers to meet design requirements in the face of plant uncertainty and disturbances.

The Interactive Development Environment (IDE) for shaping controllers provides a point-click interface for loop shaping using classical frequency domain concepts.

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loop shaping

Powerful bound computation routines help in the conversion of input/output closed-loop performance specification into constraints (bounds) on the open-loop function. These bounds are then used in the IDE.

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bound computation routines

System Requirements:

  • MATLAB
  • Controls Toolbox (required)