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# Tag Info

## Hot answers tagged forward-kinematics

Accepted

• 6,682

### forward and inverse kinematics of arm

From now, I will solely answer your second question about forward kinematics, which is usually easier to solve than inverse kinematics. First you should sketch your robot in a plan using textbook ...
• 1,411

### How to update the cartesian target when the robotic arm has a communication delay?

You should update the robot references (and current position) independently if there is an update from the mouse or not. If there is an update (i.e. after 100 ms) you should update the value sent each ...
• 6,682

### How to check reachability of manipulator to a point?

You are basically asking if a given tool transformation has a corresponding IK solutions. This question, unfortunately, currently has no universal shortcut other than trying to actually compute IK ...
• 1,859
Accepted

### Can a neural network emulate a physics engine?

I think there are some confusing statements or inaccuracies in this question regarding fundamental concepts in robotics, control engineerging and AI/ML. I am not sure if it helps to list these or not, ...
• 6,682

### Is it correct to think of forward kinematics as merely a 'check' for the inverse kinematics?

You can control the robot using just the inverse kinematics solution. However, you must be careful to handle the multiple inverse solutions properly (for example, $acos(\theta) = acos(-\theta))$. ...
• 4,396
Accepted

### Calculating the cartesian position of each joint with DH transform

By combining all the matrices, you'll end up having an homogeneous transformation $T \in SE\left(3\right)$ that can be expressed as:  T= \left( \begin{matrix} \mathbf{R} & \mathbf{p} \\ 0 & ...
• 4,005
Accepted

### DH parameters for a PPP arm

The DH parameters comes from the common normal between two consecutive Z axes. Every time you're in doubt about the DH parameters, you can follow common guidelines between two consecutive axes. In ...
Accepted

### Forward Kinematics of non-planar robot using Roy Featherstone's Spatial Toolbox

You've got to open the functions you're trying to use and look through them if you're getting errors. You said you are trying to get the forward kinematics of your robot, and that it's a non-floatbase,...
• 15.9k