├── README.md ├── TwoRegion_Nadir ├── README.md ├── Region1_faulted │ ├── Energy_nadir_analysis.m │ ├── Figures Freq │ │ └── Fig1.png │ ├── Nadir_regression.m │ ├── OneArea │ │ ├── maxRamp_FromWorkspace.slx │ │ ├── maxRamp_FromWorkspace.slxc │ │ └── slprj │ │ │ └── sim │ │ │ └── varcache │ │ │ └── maxRamp_FromWorkspace │ │ │ ├── checksumOfCache.mat │ │ │ ├── tmwinternal │ │ │ └── simulink_cache.xml │ │ │ └── varInfo.mat │ ├── TwoRegion_swing_NotSoFineTimeStep.slx │ └── TwoRegion_swing_fineTimeStep.slxc └── Region2 │ ├── Energy_nadir_analysis.m │ ├── Figures Freq │ └── Fig1.png │ ├── Nadir_regression.m │ ├── OneArea │ ├── maxRamp_FromWorkspace.slx │ ├── maxRamp_FromWorkspace.slxc │ └── slprj │ │ └── sim │ │ └── varcache │ │ └── maxRamp_FromWorkspace │ │ ├── checksumOfCache.mat │ │ ├── tmwinternal │ │ └── simulink_cache.xml │ │ └── varInfo.mat │ ├── TwoRegion_swing_NotSoFineTimeStep.slx │ └── TwoRegion_swing_fineTimeStep.slxc ├── TwoRegion_RoCoF ├── README.md ├── Region1_faulted │ ├── COIapprox_terms_fromLaplace_f1.m │ ├── COIapprox_terms_fromLaplace_f2.m │ ├── Figures Freq │ │ └── Fig1.png │ ├── Figures Oscillations │ │ └── Fig1oscillations.png │ ├── Frequency_oscillation_analysis.m │ ├── OneArea │ │ ├── maxRamp_FromWorkspace.slx │ │ ├── maxRamp_FromWorkspace.slx.r2017a │ │ ├── maxRamp_FromWorkspace.slxc │ │ ├── samples_and_conservativeFit.m │ │ └── slprj │ │ │ └── sim │ │ │ └── varcache │ │ │ └── maxRamp_FromWorkspace │ │ │ ├── checksumOfCache.mat │ │ │ ├── tmwinternal │ │ │ └── simulink_cache.xml │ │ │ └── varInfo.mat │ ├── Rocof_regression.m │ ├── TwoRegion_swing_fineTimeStep.slx │ ├── TwoRegion_swing_fineTimeStep.slxc │ └── estimate_oscillation.m └── Region2 │ ├── COIapprox_terms_fromLaplace_f1.m │ ├── COIapprox_terms_fromLaplace_f2.m │ ├── Figures Freq │ └── Fig1.png │ ├── Figures Oscillations │ └── Fig1oscillations.png │ ├── Frequency_oscillation_analysis.m │ ├── OneArea │ ├── maxRamp_FromWorkspace.slx │ ├── maxRamp_FromWorkspace.slx.r2017a │ ├── 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