#### Velocity of 6-Joint Robot Arm – Rotation

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We resume our analysis of the 6-link robot Jacobian and focus on the rotational velocity part.

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We resume our analysis of the 6-link robot Jacobian and focus on the rotational velocity part.

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For a simple 2-link planar robot we introduce and derive its Jacobian matrix, and also introduce the concept of spatial velocity.

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For a real 6-link robot our previous approach to computing the Jacobian becomes unwieldy so we will instead compute a numerical approximation to the forward kinematic function.

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We extend what we have learnt to a 3-link planar robot where we can also consider the rotational velocity of the end-effector.

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We consider a robot, which has two rotary joints and an arm.

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We repeat the process of the last section but this time consider it as an algebraic problem.

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We consider a robot with three joints that moves its end-effector on a plane.

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We consider the simplest possible robot, which has one rotary joint and an arm.

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We revisit the simple 2-link planar robot and determine the inverse kinematic function using simple geometry and trigonometry.

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We will learn about how we make the the robot joints move to the angles or positions that are required in order to achieve the desired end-effector motion. This is the job of the robot’s joint controller and in this lecture we will learn how this works. This journey will take us in to the […]