
Velocity of 2-Joint Planar Robot Arm
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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 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 real robots there are a few extra things to think about. Is a particular point actually reachable? Our old friend, singularity or gimbal lock reappears in the wrist.
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The workspace of a robot arm is the set of all positions that it can reach. This depends on a number of factors including the dimensions of the arm.
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We learn the concepts of a robot’s task space and its configuration space, and the relationship between the dimensions of these two spaces.
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We consider the most general type of serial-link robot manipulator which has six joints and can position and orient its end-effector in 3D space.
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We consider a robot with four joints that moves its end-effector in 3D space.
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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 a robot, which has two rotary joints and an arm.
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We consider the simplest possible robot, which has one rotary joint and an arm.
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We start by looking at a number of different types of robot arm with particular focus on serial-link robot manipulators.