D1-N Series Servo Drive User Manual Tuning
HIWIN MIKROSYSTEM Corp. 6-39
(1) Vel controller (Velocity controller): Frequency response of velocity controller
(2) Vel open loop (Velocity open loop): Frequency response of velocity open loop
(3) Vel close loop (Velocity close loop): Frequency response of velocity closed loop
(4) Pos controller (Position controller): Frequency response of position controller
(5) Pos open loop (Position open loop): Frequency response of position open loop
(6) Pos close loop (Position close loop): Frequency response of position closed loop
Figure 6.7.2.3.1 Bode plots of velocity closed loop and position closed loop
6.7.2.4 Nichols
Select Nichols in Loop constructor window to simulate and analyze the frequency responses of velocity
open loop (Vel open loop) and position open loop (Pos open loop). Check the checkbox of Vel open loop
or Pos open loop to simulate and analyze its Nichols plot. The checkboxes of Vel open loop and Pos
open loop can be checked at the same time, as figure 6.7.2.4.1. Click on the curve to display frequency
response value to analyze control system.
(1) Vel open loop (Velocity open loop): Frequency response of velocity open loop
(2) Pos open loop (Position open loop): Frequency response of position open loop