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The main reason it would make sense to quote the total DOF is that is
determines the volume the arm needs or is able to work in. For example
imagine a snake-bot with a dozen 2 DOF joints. It can reach around objects
to position it's effector. So it is more versatile than the basic 3 joint
arm. As you say though, the value of this is dependant on the application.
regards
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Message has 1 Reply:
 | | Re: articulation points?
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| (...) The trouble with this is that it's not necessarily true. Take 100 Lego turntables and connect them up into a vertical column. By this measure, it has 100 DOF - but as a mechanism, it has no more flexibility than a single turntable (1-DOF). (...) (22 years ago, 21-Nov-02, to lugnet.robotics)
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Message is in Reply To:
| | Re: articulation points?
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| (...) I think you've hit the nail on the head here Eric. To me, the most logical way of looking at a robot arm would be from the point of view of the end effector, i.e. what it can and cannot do. The way the arm moves to get there may be of less (...) (22 years ago, 20-Nov-02, to lugnet.robotics, lugnet.build.mecha, lugnet.technic)
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