Morphology
Modeling and control of robot manipulators

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Morphology
Modeling and control of robot manipulators

Author : Alain LIÉGEOIS

Review date: February 5, 2015 | Lire en français

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1. Morphology

A robot manipulator is made up of a series of rigid bodies (segments), articulated together. Articulations can be motorized (active) or non-motorized (passive).

1.1 Mechanism graph

To describe the topology of the mechanism making up the robot manipulator, we associate it with a graph whose vertices are the constituent bodies and whose arcs represent the connections between these bodies. Two extreme bodies have particular roles:

  • the base, which is fixed to the ground or to a vehicle;

  • the terminal organ that carries the tool (or end-effector).

From the base to the end-effector, we can distinguish :

  • ...

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