Chapter 4 Servo Pump Commissioning IS580 User Manual
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Oil Presure PID Proportional Gain (A3-05, A3-11, A3-14, and A3-17)
The larger the proportional gain, the faster the system response. Too large setting will cause system oscillation, but
too small setting will slow the system response.
Figure 4-3 Relationship between the proportional gain and system response
Time
Kp value
Pressure
P pressure
reference
P pressure
feedback
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Oil Pressure PID Integral Time (A3-06, A3-12, A3-15, and A3-18)
The shorter the integral time is, the faster the system response is. Too short setting will cause overshoot and
system oscillation. But too long setting will slow system response and make the oil pressure unstable.
Figure 4-4 Relationship between the integral time and system response
Time
Ki value
Pressure
P pressure
reference
P pressure feedback
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