Chapter 6 Control Modes of Operation ASDA-B2
6-26 Revision May, 2018
Time Domain
The bigger KVP value cause
higher bandwidth and shorten the
rising time. However, if the value
is set too big, the phase margin
will be too small.
To steady-state error, the result
is not as good as KVI. But it
helps to reduce the dynamic
following error.
The bigger KVI value cause greater low-
frequency gain and shorten the time the
steady-state error returns to zero.
However, the phase margin will
dramatically decrease as well.
To steady-state error, it is very helpful but
shows no benefit to dynamic following
error.
If the KVF value closes to 1, the
feed forward compensation will be
more complete and the dynamic
following error will become
smaller. However, if the KVF
value is set too big, it would cause
vibration.
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