Figures index

From

Control of Roll Motion of Fishing Vessel by Fin-Stabilizer Using PID Controller

Hassan Ghassemi, Hamid Malekizade, Arash Ashrafi

International Journal of Physics. 2016, 4(6), 181-186 doi:10.12691/ijp-4-6-5
  • Figure 1. Fishing vessel at roll angle
  • Figure 2. Lift coefficient of the fin
  • Figure 3. GZ curve of fishing vessel
  • Figure 4. Block diagram of the fin-roll closed loop control system
  • Figure 5. Plot of exciting moment
  • Figure 6. Comparison of open loop response for linear and nonlinear models with initial roll angle 5°
  • Figure 7. Comparison of open loop response for linear and nonlinear models
  • Figure 8. Comparison of roll angle response for the constrained LQR, PID controller and uncontrolled with initial roll angle 5°
  • Figure 9. Comparison of roll rate response for the constrained LQR, PID controller, and uncontrolled
  • Figure 10. Variations of the fin regarding to the two controllers, a) Constrained LQR, b) PID controller