168 lines
8.2 KiB
Mathematica
168 lines
8.2 KiB
Mathematica
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function robot = get_robot_R1000(opt)
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switch opt.robot_def
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case 'direct'
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ndof = 9;
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robot = struct;
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robot.ndof = ndof;
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% ------------------------------------------------------------------------
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% Structure define
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% ------------------------------------------------------------------------
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robot.m = zeros(1,9);
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robot.I = zeros(3,3,9);
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robot.com = zeros(3,9);
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robot.axis = zeros(3,9);
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robot.com_pos_R1 = zeros(3,9);
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robot.com_pos_R2 = zeros(3,9);
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robot.slist = zeros(6,9);
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robot.theta = zeros(9,1);
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robot.dtheta = zeros([9,1]);
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robot.ddtheta = zeros([9,1]);
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robot.Home.com = zeros(3,9);
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robot.Home.R = zeros(3,3,9);
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robot.Home.P = zeros(3,9);
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robot.Home.M = zeros(4,4,9);
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robot.kine.TW = zeros(4,4,9);
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robot.kine.Fkine = zeros(4,4);
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robot.kine.T = zeros(4,4,9);
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robot.kine.R = zeros(3,3,9);
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robot.kine.t = zeros(3,1,9);
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robot.kine.Mlist_CG_Base = zeros(4,4,10);
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robot.kine.Mlist_CG = zeros(4,4,10);
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robot.kine.Mlist_ED = zeros(4,4,10);
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robot.gravity = zeros(3,1);
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% ------------------------------------------------------------------------
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% Dynamics parameters
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% ------------------------------------------------------------------------
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link_mass = [2.1315260e+01,1.9235354e+01,1.0463871e+01,6.1538806,3.0882893,2.4450941,3.6376589,1.7005420,9.1507819e-1];
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% DVT
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% link_mass = [17.42,7.7,2.42,5.19,2.22,1.8,2.31,1.73,1.2];
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axis_of_rot = zeros(3,robot.ndof);
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axis_of_rot(:,1) = [0;0;1];
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axis_of_rot(:,2) = [0;-1;0];
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axis_of_rot(:,3) = [0;-1;0];
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axis_of_rot(:,4) = [0;-1;0];
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axis_of_rot(:,5) = [0;0;1];
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axis_of_rot(:,6) = [1;0;0];
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axis_of_rot(:,7) = [0;0;-1];
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axis_of_rot(:,8) = [0;-1;0];
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axis_of_rot(:,9) = [0;0;0];
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com_pos_R1 = zeros(3,robot.ndof);
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com_pos_R2= zeros(3,robot.ndof);
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com_pos_R1(:,1)=[ 1.0440117e+02 -1.1125559e+01 1.2822933e+02]'*1e-3;
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com_pos_R2(:,1)=[-8.0598830e+01 -4.2225559e+01 -1.5870672e+01]'*1e-3;
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com_pos_R1(:,2)=[ 3.5562148e+02 1.2378198e+01 1.8395830e-03]'*1e-3;
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com_pos_R2(:,2)=[-2.4437852e+02 9.4778198e+01 1.8395830e-03]'*1e-3;
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com_pos_R1(:,3)=[2.4798242e+02 -3.5267916e+01 4.8648267e-02]'*1e-3;
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com_pos_R2(:,3)=[-3.5201758e+02 -2.9007916e+01 4.8648266e-02]'*1e-3;
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com_pos_R1(:,4)=[ 4.2341069e+01 5.2603527e+01 1.2271365e+01]'*1e-3;
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com_pos_R2(:,4)=[-7.7658931e+01 -1.2956223e+01 1.9271365e+01]'*1e-3;
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com_pos_R1(:,5)=[1.0177553e+02 -3.4868152e-02 1.5686100e+00]'*1e-3;
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com_pos_R2(:,5)=[-1.0372447e+02 -3.9239008e-02 -5.4313602e+00]'*1e-3;
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com_pos_R1(:,6)=[5.9942347e+01 -4.8346177e-02 5.5784018e+00]'*1e-3;
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com_pos_R2(:,6)=[-2.3757653e+01 -4.8346177e-02 4.0028402e+01]'*1e-3;
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com_pos_R1(:,7)=[4.9494392e-02 -2.4240394e+00 -1.0332489e+02]'*1e-3;
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com_pos_R2(:,7)=[4.9494392e-02 -2.4240394e+00 2.7222511e+02]'*1e-3;
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com_pos_R1(:,8)=[-2.7158498e+01 -3.3865875e-01 -4.6588829e+01]'*1e-3;
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com_pos_R2(:,8)=[ 2.2423433e+02 -3.3865729e-01 1.9671171e+01]'*1e-3; % don't use
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com_pos_R1(:,9)=[-1.9853197e+01 1.9076829e-01 -3.0075564e+01]'*1e-3;
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% stack result
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robot.com_pos_R1 = com_pos_R1;
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robot.com_pos_R2 = com_pos_R2;
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% FIXME:fix this hack
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% Get 3D coordinate of CO
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co=zeros(3,robot.ndof-1);
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for i = 1:robot.ndof-1
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if i == 1
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co(:,i) = com_pos_R1(:,i)-com_pos_R2(:,i);
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else
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%From base to ISA Origin
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co(:,i) = co(:,i-1)+com_pos_R1(:,i)-com_pos_R2(:,i);
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% else
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% %From base to ISA Origin
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% co(:,i) = co(:,i-1)-[0;0;0.05896];
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end
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end
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co = [zeros(3,1),co];
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% the inertia tensor wrt the frame oriented as the body frame and with the
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% origin in the COM
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link_inertia = zeros(3,3,robot.ndof);
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link_inertia(:,:,1) = [[1.1212091e+05 -1.1694021e+04 -4.7186593e+04];...
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[-1.1694021e+04 2.3289532e+05 -3.0395414e+02];...
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[-4.7186593e+04 -3.0395414e+02 2.0033875e+05]]*10^-6;
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link_inertia(:,:,2) = [[3.7926328e+04 -9.0569033e+01 4.7526575e+04];...
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[-9.0569033e+01 2.9714754e+05 6.8396715e+00];...
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[4.7526575e+04 6.8396715e+00 2.8138392e+05]]*10^-6;
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link_inertia(:,:,3) = [[4.4513887e+03 1.9981964e-01 -3.0303891e+02];...
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[1.9981964e-01 6.7952039e+04 -8.8585864e-02];...
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[-3.0303891e+02 -8.8585864e-02 6.9958344e+04]]*10^-6;
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link_inertia(:,:,4) = [[1.1642351e+04 2.2997175e+03 2.9159431e+03];...
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[2.2997175e+03 2.6031269e+04 -1.3518384e+02];...
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[2.9159431e+03 -1.3518384e+02 2.4694742e+04]]*10^-6;
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link_inertia(:,:,5) = [[3.0930544e+03 8.3558814e-01 -2.8169092e+03];...
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[8.3558814e-01 1.2796446e+04 -3.3666469e+00];...
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[-2.8169092e+03 -3.3666469e+00 1.2128856e+04]]*10^-6;
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link_inertia(:,:,6) = [[3.6635776e+03 -7.0081461e+00 2.2392870e+00];...
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[-7.0081461e+00 1.8152305e+03 -2.4828765e+02];...
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[2.2392870e+00 -2.4828765e+02 3.4602935e+03]]*10^-6;
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link_inertia(:,:,7) = [[1.3662652e+04 -3.6340953e+00 4.4011670e-01];...
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[-3.6340953e+00 1.3222824e+04 -4.3625500e+02];...
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[ 4.4011670e-01 -4.3625500e+02 2.2500397e+03]]*10^-6;
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link_inertia(:,:,8) = [[1.5162872e+03 -4.6245133e+01 4.4556929e+03];...
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[-4.6245133e+01 5.9901606e+04 6.0350548e+0];...
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[4.4556929e+03 6.0350548e+0 5.8819998e+04]]*10^-6;
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link_inertia(:,:,9) = [[1.1730106e+03 3.3834506e+0 4.6097678e+01];...
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[3.3834506e+0 1.7996852e+03 5.2088778e+0];...
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[4.6097678e+01 5.2088778e+0 1.3960734e+03]]*10^-6;
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% manipulator regressor
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com_pos = com_pos_R1;
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for i = 1:robot.ndof
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robot.m(i) = link_mass(i);
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robot.axis(:,i) = axis_of_rot(i);
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robot.com(:,i) = com_pos(:,i);
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robot.I(:,:,i) = link_inertia(:,:,i);
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end
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% ------------------------------------------------------------------------
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% Kinematics parameters
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% ------------------------------------------------------------------------
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if(opt.Isreal)
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robot.theta = [0;0;0;0;0;0;0;0;0];
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% robot.link_type = ['R','R','R','R','R','R','R','R','P'];
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switch opt.KM_method
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case 'SCREW'
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robot.Home.R(:,:,1) = [[1;0;0],[0;1;0],[0;0;1]];
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robot.Home.R(:,:,2) = [[1;0;0],[0;0;1],[0;-1;0]];
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robot.Home.R(:,:,3) = [[1;0;0],[0;0;1],[0;-1;0]];
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robot.Home.R(:,:,4) = [[1;0;0],[0;0;1],[0;-1;0]];
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robot.Home.R(:,:,5) = [[0;-1;0],[1;0;0],[0;0;1]];
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robot.Home.R(:,:,6) = [[0;-1;0],[0;0;-1],[1;0;0]];
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robot.Home.R(:,:,7) = [[1;0;0],[0;-1;0],[0;0;-1]];
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robot.Home.R(:,:,8) = [[0;0;-1],[1;0;0],[0;-1;0]];
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robot.Home.R(:,:,9) = [[0;0;-1],[0;1;0],[1;0;0]];
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for i=1:robot.ndof
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robot.Home.P(:,i) = co(:,i);
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robot.Home.M(:,:,i) = RpToTrans(robot.Home.R(:,:,i),robot.Home.P(:,i));
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end
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robot.slist=[[0;0;1;co(:,1)],...
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[0;-1;0;cross(-[0;-1;0],co(:,2))]...
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[0;-1;0;cross(-[0;-1;0],co(:,3))]...
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[0;-1;0;cross(-[0;-1;0],co(:,4))]...
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[0;0;1;cross(-[0;0;1],co(:,5))]...
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[1;0;0;cross(-[1;0;0],co(:,6))]...
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[0;0;-1;cross(-[0;0;-1],co(:,7))]...
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[0;-1;0;cross(-[0;-1;0],co(:,8))]...
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[0;0;0;1;0;0]];
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otherwise
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disp('Bad opt.KM_method!')
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return;
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end
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end
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otherwise
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robot = [];
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disp('Bad robot define options!')
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return
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end
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%Gravity
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gravity = [0;0;-9.806];
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robot.gravity = gravity;
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