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# Hwajin Choi

Last seen: 4달 전 2021 이후 활성

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질문

How can I draw delta robot workspace in 3D graphic?
Hello I want to know how to draw a 3D graphic of workspace of my delta robot as shown in the image below. I got forward kin...

5달 전 | 답변 수: 0 | 0

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질문

How can I plug inverse kinematics to a Simscape multibody?
Hello, This is my Simulink model of a delta robot using Simscape multibody. I have an inverse kinematics matlab code. How can I...

9달 전 | 답변 수: 1 | 0

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What's the value of Ki in PD controller?
I designed PD controller and got Kp and Kd. When I use feedback command like feedback(sys*pid(Kp,Ki,Kd),1), what value should ...

9달 전 | 답변 수: 1 | 0

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How to plug in trajectory to the Simscape multibody
Hello, I am doing a project to make a delta robot move according to an inverse position kinematics. I have used Simscape multi...

9달 전 | 답변 수: 0 | 0

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How can I animate a robot CAD model corresponding to my MATLAB code?
Hello, I have a CAD(SolidWorks) assembly of a robot arm and a MATLAB code of inverse position kinematics. I want to animate the...

9달 전 | 답변 수: 1 | 0

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I have a lag compensator like below from the MATLAB script. I want to make it in Simulink. What block should I use and how shou...

10달 전 | 답변 수: 1 | 0

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How to 3D plot a circle with radius of 1 in x y and sine wave in z?
Hello, I want to 3D plot a circle looks like the image below. (Sorry for the poor drawing) The figure is a circle of radius 1 i...

10달 전 | 답변 수: 2 | 0

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How to plot trajectory of angles at varying x, y, and z position
Hello, I want to plot trajectory of angles theta1, theta2, and theta3 vary depending on xyz position in 2D or 3D. I got the th...

10달 전 | 답변 수: 1 | 0

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How can I convert x, y, and z which are functions of theta to theta function of x, y, and z?
Hello, I have three equations, eqn1 = 2*L*(y+a)*cos(theta1) + 2*z*L*sin(theta1) + x^2 + y^2 + z^2 + a^2 + L^2 + 2*y*a - l^2 ==...

10달 전 | 답변 수: 1 | 0

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질문

Pick one value from multiple results
A solve command finds four solutions like, X1 = 0.5017 -0.5017 0.5017 -0.5017 how can I pick only the firs...

10달 전 | 답변 수: 1 | 0

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