National Instruments 371685C-01 用户手册
Chapter 2
PID Algorithms
© National Instruments Corporation
2-7
Table 2-2. Tuning Formula under P-Only Control (Normal)
Controller
K
c
T
i
T
d
P
0.2K
u
—
—
PI
0.18K
u
0.8T
u
—
PID
0.25K
u
0.5T
u
0.12T
u
Table 2-3. Tuning Formula under P-Only Control (Slow)
Controller
K
c
T
i
T
d
P
0.13K
u
—
—
PI
0.13K
u
0.8T
u
—
PID
0.15K
u
0.5T
u
0.12T
u
Table 2-4. Tuning Formula under PI or PID Control (Fast)
Controller
K
c
T
i
T
d
P
T
p
/
τ
—
—
PI
0.9T
p
/
τ
3.33
τ
—
PID
1.1T
p
/
τ
2.0
τ
0.5
τ
Table 2-5. Tuning Formula under PI or PID Control (Normal)
Controller
K
c
T
i
T
d
P
0.44T
p
/
τ
—
—
PI
0.4T
p
/
τ
5.33
τ
—
PID
0.53T
p
/
τ
4.0
τ
0.8
τ