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Changes for page 07 Adjustments

Last modified by Iris on 2025/07/24 11:03
From version 1.2
edited by Joey
on 2022/06/08 15:40
Change comment: There is no comment for this version
To version 1.1
edited by Leo Wei
on 2022/06/08 12:57
Change comment: Imported from XAR

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3 3  The servo drive needs to make the motor faithfully operate in accordance with the instructions issued by the upper controller without delay as much as possible. In order to make the motor action closer to the instruction and maximize the mechanical performance, gain adjustment is required. The process of gain adjustment is shown in Figure 7-1.
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6 -[[image:image-20220608154103-1.png]]
5 +[[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_89da9be7ea621ab.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_89da9be7ea621ab.gif"]]
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8 8  Figure 7-1 Gain adjustment process
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182 182  The servo system consists of three control loops, from the outside to the inside are the position loop, the speed loop and the current loop. The basic control block diagram is shown as below.
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185 -[[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_121534c3612a37b8.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_121534c3612a37b8.gif"]]
183 +[[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_121534c3612a37b8.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_121534c3612a37b8.gif"]]
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187 187  Figure 7-2 Basic block diagram of servo loop gain
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363 363  When the notch filter depth grade is 0, the input is completely suppressed at center frequency. When the notch filter depth grade is 100, the input is completely passable at center frequency. Therefore, the smaller the the notch filter depth grade is set, the deeper the the notch filter depth, and the stronger the suppression of mechanical resonance. But the system may be unstable, you should pay attention to it when using it. The specific relationship is shown in __[[Figure 7-4>>http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_10a8f8c1383fdf94.png?rev=1.1]]__.
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366 366  [[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_c84670518f0b6362.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_c84670518f0b6362.gif"]]
367 367  
368 368  Figure 7-3 Notch characteristics, notch width, and notch depth
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371 371  [[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_10a8f8c1383fdf94.png?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_10a8f8c1383fdf94.png"]]
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373 373  Figure 7-4 Frequency characteristics of notch filter
image-20220608154103-1.png
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