control.get_input_ff_index
- control.get_input_ff_index(sys)[source]
Return the input feedforward passivity (IFP) index for the system.
The IFP is the largest gain that can be placed in negative parallel interconnection with a system such that the new interconnected system is passive.
- Parameters
sys (LTI) – System to be checked.
- Returns
The IFP index
- Return type
float