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Operating Manual, 04/2017, A5E36618042-003
● p29111
● p29120[0]
● p29121[0]
Resonance suppression with manual tuning (p29021=0)
When both the resonance suppression with real-time auto tuning and one-button tuning
mode cannot reach the suppression effect, you can do the resonance suppression by
manually setting the following parameters:
Parame-
ter
Value range Default
value
Unit Description
p1663 0.5 to 16000 1000 Hz Natural frequency of current notch filter 2 denominator.
p1664 0.001 to 10 0.3 - Damp of current notch filter 2 denominator.
p1665 0.5 to 16000 1000 Hz Natural frequency of current notch filter 2 numerator.
p1666 0.0 to 10 0.01 - Damp of current notch filter 2 numerator.
p1668 0.5 to 16000 1000 Hz Natural frequency of current notch filter 3 denominator.
p1669 0.001 to 10 0.3 - Damp of current notch filter 3 denominator.
p1670 0.5 to 16000 1000 Hz Natural frequency of current notch filter 3 numerator.
p1671 0.0 to 10 0.01 - Damp of current notch filter 3 numerator.
p1673 0.5 to 16000 1000 Hz Natural frequency of current notch filter 4 denominator.
p1674 0.001 to 10 0.3 - Damp of current notch filter 4 denominator.
p1675 0.5 to 16000 1000 Hz- Natural frequency of current notch filter 4 numerator.
p1676 0.0 to 10 0.01 - Damp of current notch filter 4 numerator.
Assume the notch frequency is f
sp
, notch width is f
BB
, and notch depth is K, then the filter
parameters can be calculated as follows:
p1663=p1665=f
sp
p1664=f
BB
/ (2 × f
sp
)
p1666=(f
BB
× 10
(k/20)
)/ (2 × f
sp
)