I want to perform inverse kinematics in Moveit of Baxter arm. Below are the requirements:
1. Joint configuration for one pose is known
2. For target state, only end-effector position (but not orientation) is known
**(Pose 1) For this pose, the joint angles are known:**

**(Pose 2) This is target pose. only end-effector position but not orientation is known:**

My questions are:
1. Based on the known joint configuration, is it possible to perform inverse kinematics, when only end-effector position is known?
2. In other words, I want to know the joint angles for Pose 2, knowing the joint angles for Pose 1.
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