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. 2021 Jan 25;7:566037. doi: 10.3389/frobt.2020.566037

TABLE 2.

AUV model parameters.

Parameter Description Value
Mass and Coriolis matrix
m Mass 18
Zg COG relative to CO 0.01
Ix Moment of inertia, roll 0.0405
Iy Moment of inertia, pitch 1.070
Iz Moment of inertia, yaw 1.070
Xu˙ Added mass, surge −1.029
Yv˙ Added mass, sway −16.153
Zw˙ Added mass, heave −16.153
Kp˙ Added mass, roll 0
Mq˙ Added mass, pitch −0.758
Nr˙ Added mass, yaw −0.758
Damping matrix
Xu Linear damping, surge −2.4
Yv Linear damping, sway −23
Zw Linear damping, heave −23
Kp Linear damping, roll −0.3
Mq Linear damping, pitch −9.7
Nr Linear damping, yaw −9.7
Yr Linear damping, yaw on sway 11.5
Zq Linear damping, pitch on heave −11.5
Mw Linear damping, heave on pitch 3.1
Nv Linear damping, sway on yaw −3.1
Xu|u| Nonlinear damping, surge −2.4
Yv|v| Nonlinear damping, sway −80
Zw|w| Nonlinear damping, heave −80
Kp|p| Nonlinear damping, roll −6.4e-4
Mq|q| Nonlinear damping, pitch −9.1
Nr|r| Nonlinear damping, yaw −9.1
Yr|r| Nonlinear damping, yaw on sway 0.3
Zq|q| Nonlinear damping, pitch on heave −0.3
Mw|w| Nonlinear damping, heave on pitch 1.5
Nv|v| Nonlinear damping, sway on yaw −1.5
Yuvf Fin lift, sway −19.2
Zuwf Fin lift, heave −19.2
Muqf Fin lift, pitch −3.072
Nuqf Fin lift, yaw −3.072
Yurf Fin lift, yaw on sway 7.68
Zuqf Fin lift, pitch on heave −7.68
Muwf Fin lift, heave on pitch −7.68
Nuvf Fin lift, sway on yaw 7.68
Yuvb Body lift, sway −10.956
Zuwb Body lift, heave −10.956
Muwb Body lift, heave on pitch −3.309
Nuvb Body lift, sway on yaw 3.309
Restoring force matrix
W Weight 176.58
B Buoyancy 177.58
Control force matrix
Yuuδr Rudder fin on sway 19.2
Nuuδr Rudder fin on yaw 7.68
Zuuδs Elevator fin on heave −19.2
Muuδs Elevator fin on pitch −7.68