Woodward 721 - Fig 3. Control Gain as a Function of Speed Error; Fig 4. Control Gain as a Function of Control Output

721DSC for Marine Propulsion Application Manual 26004
Woodward
32
CONTROL GAIN
HIGH GAIN REGION HIGH GAIN REGION
GAIN x GAIN RATIO
+
WINDOW WIDTH
- WINDOW WIDTH
GAIN
LOW GAIN REGION
0.0
SPEED ERROR (RPM)
Figure 3. Control Gain as a Function of Speed Error
CONTROL GAIN
GAIN SLOPE
GAIN
ADJUSTMENT GAIN SLOPE
ADJUSTMENT
GAIN
GAIN BREAKPOINT ADJUSTMENT
GAIN BREAKPOINT
50% 100%
CONTROL OUTPUT CURRENT
Figure 4. Control Gain as a Function of Control Output