python-control
diff --git a/‎control/frdata.py‎
Lines changed: 14 additions & 0 deletions b/‎control/frdata.py‎
Lines changed: 14 additions & 0 deletions
@@ -78,6 +78,8 @@ class FrequencyResponseData(LTI):
         corresponding to the frequency points in omega
     w : iterable of real frequencies
         List of frequency points for which data are available.
+    sysname : str or None
+        Name of the system that generated the data.
     smooth : bool, optional
         If ``True``, create an interpolation function that allows the
         frequency response to be computed at any frequency within the range of
@@ -204,6 +206,10 @@ def __init__(self, *args, **kwargs):
         #
         # Process key word arguments
         #
+
+        # If data was generated by a system, keep track of that
+        self.sysname = kwargs.pop('sysname', None)
+
         # Keep track of return type
         self.return_magphase=kwargs.pop('return_magphase', False)
         if self.return_magphase not in (True, False):
@@ -638,6 +644,14 @@ def feedback(self, other=1, sign=-1):
 
         return FRD(fresp, other.omega, smooth=(self.ifunc is not None))
 
+    # Plotting interface
+    def plot(self, *args, **kwargs):
+        from .freqplot import bode_plot
+
+        # For now, only support Bode plots
+        # TODO: add 'kind' keyword and Nyquist plots (?)
+        bode_plot(self, *args, **kwargs)
+
     # Convert to pandas
     def to_pandas(self):
         if not pandas_check():