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ASDA-A3

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Control Mode

6.3.7 Resonance suppression unit

When resonance occurs, it is probably because the stiffness of the control system is too high or

the response bandwidth is too great. Eliminating these two factors can improve the situation.

In addition, use the low-pass filter (P2.025) and Notch filter (P2.023, P2.024, P2.043 - P2.046,

and P2.095 - P2.103) to suppress the resonance if you want the control parameters to remain

unchanged.

Refer to Chapter 8 for detailed descriptions of the relevant parameters.

Parameter

P2.023

P2.024

P2.043

P2.044

P2.045

P2.046

P2.095

P2.096

P2.097

P2.098

P2.099

P2.100

P2.101

P2.102

P2.103

P2.025

Function

Notch filter 1 - frequency

Notch filter 1 - attenuation level

Notch filter 2 - frequency

Notch filter 2 - attenuation level

Notch filter 3 - frequency

Notch filter 3 - attenuation level

Notch filter 1 - Q factor

Notch filter 2 - Q factor

Notch filter 3 - Q factor

Notch filter 4 - frequency

Notch filter 4 - attenuation level

Notch filter 4 - Q factor

Notch filter 5 - frequency

Notch filter 5 - attenuation level

Notch filter 5 - Q factor

Resonance suppression low-pass filter

6

Differentiator

Speed feed

forward gain

P2.007

PI controller

P2.004, P2.006

Low-pass filter

P2.025

Resonance supression unit

Notch filter 1

P2.023, P2.024

Notch filter 2

P2.043, P2.044

Notch filter 3

P2.045, P2.046

Notch filter 4

P2.098, P2.099

Current

detection

Current

controller

PWM

Notch filter 5

P2.101, P2.102

Motor

Encoder

Auto resonance suppression switch and detection level setting

P2.047, P2.048

Speed observer

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