Diff: GPA.cpp

Revision:

21:d9bda15377e2

Parent:

19:6095f7d1c56a

Child:

22:715d351d0be7

--- a/GPA.cpp	Thu Apr 05 10:22:41 2018 +0000
+++ b/GPA.cpp	Mon Apr 09 07:06:04 2018 +0000
@@ -1,6 +1,6 @@
 /*
     GPA: frequency point wise gain and phase analyser to measure the frequency
-         respone of dynamical system
+         respone of a dynamical system
 
         hint:       the measurements should only be perfomed in closed loop
         assumption: the system is at the desired steady state of interest when
@@ -22,17 +22,17 @@
         fMax:     maximal desired frequency that should be measured in Hz
         NfexcDes: number of logarithmic equaly spaced frequency points
         NperMin:  minimal number of periods that are used for each frequency point
-        NmeasMin: maximal number of samples that are used for each frequency point
+        NmeasMin: minimal number of samples that are used for each frequency point
         Ts:       sampling time
         Aexc0:    excitation amplitude at fMin
         Aexc1:    excitation amplitude at fMax
 
         hints:    the amplitude drops with 1/fexc, if you're using
-                  Axc1 = Aexc0/fMax the d/dt exc = const., this is recommended
+                  Axc1 = Aexc0/fMax then d/dt exc = const., this is recommended
                   if your controller does not have a rolloff.
                   if a desired frequency point is not measured try to increase Nmeas.
 
-    pseudo code for a closed loop measurement with a proportional controller:
+    pseudo code for a closed loop measurement with a controller C:
 
         excitation input at (1):