StateSpaceModalAnalysis.h

// SPDX-FileCopyrightText: 2026 Institute for Automation of Complex Power Systems, EONERC, RWTH Aachen University
// SPDX-License-Identifier: MPL-2.0
 
#pragma once
 
#include <dpsim/Definitions.h>
#include <dpsim/MNAStateSpaceExtractor.h>
 
namespace DPsim {

class StateSpaceModalAnalysis {
public:
  explicit StateSpaceModalAnalysis(const MNAStateSpaceExtractor &extractor);

  void update();

  const CPS::VectorComp &getDiscreteEigenvalues() const {
    return mDiscreteEigenvalues;
  }

  const CPS::VectorComp &getContinuousEigenvalues() const {
    return mContinuousEigenvalues;
  }
 
private:
  Complex mapDiscreteToContinuous(const Complex &z) const;
 
  const MNAStateSpaceExtractor &mExtractor;
 
  CPS::VectorComp mDiscreteEigenvalues;
 
  CPS::VectorComp mContinuousEigenvalues;
};
 
} // namespace DPsim