Code covered by the BSD License
Highlights from
Shark
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J=rpy2J(rpy)
J=rpy2J(rpy); computes generalised Jacobian matrix which
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R_eb=rpy2R_eb(rpy)
R_eb=rpy2R_eb(rpy), computes the rotation matrix of e-frame wrt b-frame,
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[Cl,Cd,xcp]=a2clcdxc(alfa)
[Cl,Cd,xcp]=a2clcdxc(alfa) computes hydrodynamic coefficients Cl and Cd
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[v1,v2,v3]=vehicle()
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a2clcd(alfa)
[Cl, Cd] = a2clcd(alfa) computes hydrodynamic coefficients Cl and Cd
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demos
DEMOS Demo list for Shark.
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shark()
(the function shark adds the needed folders to the matlab path)
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tc=tau_cor(veh,v,vr)
tc=tau_cor(veh,v,vr) calculates coriolis forces from
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td=tau_damp(veh,vr,de)
td=tau_damp(veh,vr,de); calculates damping forces from
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tr=tau_rest(veh,p)
tr=tau_rest(veh,p); calculates restoring forces from
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xdot=vxdot(xu)
computes state derivatives as a function of state and input
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z=vp(x,y)
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contents.m
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linattk.m
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NLKSF
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OPLOOP
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xtrlmod
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View all files
from
Shark
by Giampiero Campa
Nonlinear 6DOF Model of an Underwater Vehicle
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| R_eb=rpy2R_eb(rpy)
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function R_eb=rpy2R_eb(rpy)
% R_eb=rpy2R_eb(rpy), computes the rotation matrix of e-frame wrt b-frame,
% given in input a vector containing roll, pitch and yaw angles.
sf = sin(rpy(1));
cf = cos(rpy(1));
st = sin(rpy(2));
ct = cos(rpy(2));
sp = sin(rpy(3));
cp = cos(rpy(3));
R_eb = [ +ct*cp +ct*sp -st
+sf*st*cp-cf*sp +sf*st*sp+cf*cp +sf*ct
+cf*st*cp+sf*sp +cf*st*sp-sf*cp +cf*ct ];
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