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Changes for page 07 Adjustments

Last modified by Iris on 2025/07/24 11:03
From version 14.20
edited by Stone Wu
on 2022/07/06 15:59
Change comment: (Autosaved)
To version 14.18
edited by Stone Wu
on 2022/07/06 15:52
Change comment: There is no comment for this version

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355 355  By setting the filter time constant, the torque instruction is attenuated in the high frequency range above the cutoff frequency, so as to achieve the expectation of suppressing mechanical resonance. The cut-off frequency of the torque instruction filter could be calculated by the following formula:
356 356  
357 357  (% style="text-align:center" %)
358 -[[image:image-20220706155820-5.jpeg]]
358 +[[image:https://docs.we-con.com.cn/bin/download/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/WebHome/40.png?rev=1.1]]
359 359  
360 360  **(2) Notch filter**
361 361  
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370 370  The notch width grade is used to express the ratio of the notch width to the center frequency of the notch:
371 371  
372 372  (% style="text-align:center" %)
373 -[[image:image-20220706155836-6.png]]
373 +[[image:https://docs.we-con.com.cn/bin/download/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/WebHome/41.png?rev=1.1]]
374 374  
375 -In formula (7-1), [[image:image-20220706155946-7.png]] is the center frequency of notch filter, that is, the mechanical resonance frequency; ​​​​​​​[[image:image-20220706155952-8.png]] is the width of notch filter, which represents the frequency bandwidth with an amplitude attenuation rate of **-3dB** relative to the center frequency of notch filter.
375 +In formula (7-1), [[image:https://docs.we-con.com.cn/bin/download/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/WebHome/42.png?rev=1.1]] is the center frequency of notch filter, that is, the mechanical resonance frequency; [[image:https://docs.we-con.com.cn/bin/download/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/WebHome/43.png?rev=1.1]] is the width of notch filter, which represents the frequency bandwidth with an amplitude attenuation rate of **-3dB** relative to the center frequency of notch filter.
376 376  
377 377  **(2) Depth grade of notch filter**
378 378  
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383 383  (% style="text-align:center" %)
384 384  [[image:image-20220608174259-3.png]]
385 385  
386 -Figure 7-7 Notch characteristics, notch width, and notch depth[[image:image-20220706160046-9.png]]
386 +Figure 7-3 Notch characteristics, notch width, and notch depth
387 387  
388 -Figure 7-8 Frequency characteristics of notch filter
388 +(% style="text-align:center" %)
389 +[[image:https://docs.we-con.com.cn/bin/download/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/WebHome/44.png?rev=1.1]]
389 389  
391 +Figure 7-4 Frequency characteristics of notch filter
392 +
390 390  (% class="table-bordered" %)
391 391  |(% style="text-align:center; vertical-align:middle; width:113px" %)**Function code**|(% style="text-align:center; vertical-align:middle; width:197px" %)**Name**|(% style="text-align:center; vertical-align:middle; width:143px" %)(((
392 392  **Setting method**
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