Rank: 3875 based on 12 downloads (last 30 days) and 1 file submitted

Enes

E-mail: enesuguroglu@fenerbahce.com.tr
Company/University: Istanbul Technical University

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25 Apr 2013		Delta SimMechanics Model Parametric SimMechanics Delta model,so you can easly change the parameter and optimize your robot. Author: Enes	delta, simmechanics, kinematics, robotics, simulation	12	0

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27 Mar 2013	golden section method algorithm Golden section method - searching for minimum of the function on given interval <a,b> Author: Katarzyna Zarnowiec

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delta, kinematics, robotics, simmechanics, simulation

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25 Apr 2013		Delta SimMechanics Model Parametric SimMechanics Delta model,so you can easly change the parameter and optimize your robot. Author: Enes	delta, simmechanics, kinematics, robotics, simulation	12	0

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File	3D Rotation about Shifted Axis

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05 Jul 2011		3D Rotation about Shifted Axis Computes/applies rotation about arbitrary 3D line. Author: Matt J	rotation matrix, rotation, affine transform, affine, robotics, motion	52	15	5.0 5.0 \| 3 ratings

Comments and Ratings Matching Enes' Watch List			1-5 of 16
Date	File	Comment by	Comments	Rating
23 Jul 2012	3D Rotation about Shifted Axis Computes/applies rotation about arbitrary 3D line.	Alan Jennings	Good work. I'd recomend adding the copyright restrictions to the source code to keep them together.	5
13 Jun 2012	3D Rotation about Shifted Axis Computes/applies rotation about arbitrary 3D line.	Matt J	Hi Florian, I don't/can't know why you're getting a different result from your CAD software, but I'm pretty convinced that P3_CATIA is incorrect. One check you can do is to find the perpendicular projection of the different points onto the rotation axis, as with the code below. They should all agree, but I get a significant discrepancy for prj_CATIA axproj=@(z) u*(u\(z-x0))+x0; prj_old=axproj(P3_old), prj_new=axproj(P3new_1), prj_CATIA=axproj(P3_CATIA), Once you've computed the perpendicular projection it's also easy to verify the angular separation between P3_old and P3new_1, as with the code below. I get 5 degrees to very high precision anglesep=@(a,b)acosd(dot(a,b)/norm(a)/norm(b)); angle=anglesep(P3new_1-prj_new,P3_old-prj_new),	Comment only
13 Jun 2012	3D Rotation about Shifted Axis Computes/applies rotation about arbitrary 3D line.	Florian	Hi Matt, thanks for the code. But I've a little problem. I tried to use your function with this points P1 = [33.319 -862.139 420.373] P2 = [550.303 -721.267 667.915] P3 = [113 -870.591 483.66] %% Variablendeklaration deg = -5; k = [P1(1,1) P2(1,1) P1(1,2) P2(1,2) P1(1,3) P2(1,3) ]; x0 = [P1(1,1);P1(1,2);P1(1,3)]; x1 = [P2(1,1);P2(1,2);P3(1,3)]; %% u = x1 - x0; %% test P3_old = [P3(1,1);P3(1,2);P3(1,3)] %% [P3new_1, R, t] = AxelRot(P3_old, deg, u, x0) the result is P3new_1 = 111.4677 -866.0073 485.9746 I'm making the same rotation in our CAD software (CATIA)-> I'll get this result P3_CATIA = 111.386 -868.555 Do you have any idea about the differences? 485.872	Comment only
12 Jun 2012	3D Rotation about Shifted Axis Computes/applies rotation about arbitrary 3D line.	Matt J	@insa: I don't know what you mean exactly by a "circular node". Do you mean a single point in 3D space? Is each "node" defined simply by an (x,y,z) coordinate triple which you want to rotate to a different location? If so, this is a straightforward application of SYNTAX 3 of the tool and you shouldn't have any problem.	Comment only
12 Jun 2012	3D Rotation about Shifted Axis Computes/applies rotation about arbitrary 3D line.	insa lyon	Dear Mr.Matt J, simply, we have a circular nodes lying on xy plane, i want to rotate theses nodes with a specific angle and get the rotated circular points and their coordinates ??what do you think? Regards,	Comment only