65 lines
1.5 KiB
Matlab
65 lines
1.5 KiB
Matlab
% computeReferencePose
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% :PROPERTIES:
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% :header-args:matlab+: :tangle ../src/computeReferencePose.m
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% :header-args:matlab+: :comments org :mkdirp yes
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% :header-args:matlab+: :eval no :results none
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% :END:
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% <<sec:computeReferencePose>>
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% This Matlab function is accessible [[file:src/computeReferencePose.m][here]].
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function [WTr] = computeReferencePose(Dy, Ry, Rz, Dh)
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% computeReferencePose - Compute the homogeneous transformation matrix corresponding to the wanted pose of the sample
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%
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% Syntax: [WTr] = computeReferencePose(Dy, Ry, Rz, Dh)
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%
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% Inputs:
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% - Dy, Ry, Rz, Dh -
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%
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% Outputs:
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% - WTr -
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%% Translation Stage
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Rty = [1 0 0 0;
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0 1 0 Dy;
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0 0 1 0;
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0 0 0 1];
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%% Tilt Stage - Pure rotating aligned with Ob
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Rry = [ cos(Ry) 0 sin(Ry) 0;
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0 1 0 0;
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-sin(Ry) 0 cos(Ry) 0;
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0 0 0 1];
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%% Spindle - Rotation along the Z axis
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Rrz = [cos(Rz) -sin(Rz) 0 0 ;
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sin(Rz) cos(Rz) 0 0 ;
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0 0 1 0 ;
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0 0 0 1 ];
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%% Micro-Hexapod
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Rhx = [1 0 0;
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0 cos(Dh(4)) -sin(Dh(4));
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0 sin(Dh(4)) cos(Dh(4))];
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Rhy = [ cos(Dh(5)) 0 sin(Dh(5));
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0 1 0;
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-sin(Dh(5)) 0 cos(Dh(5))];
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Rhz = [cos(Dh(6)) -sin(Dh(6)) 0;
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sin(Dh(6)) cos(Dh(6)) 0;
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0 0 1];
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Rh = [1 0 0 Dh(1) ;
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0 1 0 Dh(2) ;
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0 0 1 Dh(3) ;
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0 0 0 1 ];
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Rh(1:3, 1:3) = Rhx*Rhy*Rhz;
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%% Total Homogeneous transformation
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WTr = Rty*Rry*Rrz*Rh;
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end
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