Help with 6 Axis DC Motor Control

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Discussion Overview

The discussion centers around controlling six different axes using two DC motors. Participants explore the feasibility of achieving specific rotational movements of the axles based on the direction of motor spins, while seeking guidance on how to implement this control system effectively.

Discussion Character

  • Homework-related
  • Exploratory
  • Technical explanation

Main Points Raised

  • One participant describes a system where the direction of two DC motors determines the rotation of six axles in various combinations.
  • Another participant suggests creating a Truth Table to better visualize the combinations of motor spins and their corresponding axle movements.
  • A request is made for a visual representation of the axles to clarify the setup and the intended movements.
  • One participant challenges the classification of the system as a "6-axis" system, suggesting it may be more accurately described as a "6-axle" system and questions the definition of degrees of freedom in this context.
  • There is a query about whether it is feasible to achieve the desired control with only two DC motors, emphasizing the lack of constraints on the axle positioning.

Areas of Agreement / Disagreement

Participants express differing views on the classification of the system and the feasibility of controlling six axes with two motors. The discussion remains unresolved regarding the best approach to achieve the desired control and the technical definitions involved.

Contextual Notes

Participants have not yet established clear definitions for the terms used, such as "6-axis" versus "6-axle," and there are no constraints defined for the project, which may affect the proposed solutions.

Clue144
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Hello i need help to get this working if its possible, will try explain what i have come to.
I have 2 dc motors that I want to control six different axes,

if motor 1 spins right and motor 2 spins left then the first axle will rotate.

if motor 1 spins left and motor 2 spins right then the second axle will rotate.

if motor 1 is stopped and motor 2 spins right then the third axle will rotate.

if motor 1 is stopped and motor 2 spins left then the fourth axle will rotate.

if motor 1 spins left and motor 2 is stopped then the fifth axle will rotate.

if motor 1 spins right and motor 2 is stopped then the sixth axle will rotate.


Ok i hope someone understand this, this would work if i know how to build it, I have a couple of gears but its seems impossible.

Can anyone help me, show me or explain how exactly i can do or give me another teory to make this ?
 
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This is coursework, but I'll let it stay here in EE for now -- it might get moved to the Homework Help forums at some point.

Welcome to the PF, Clue144. Since this is *your* project/homwork/coursework, you are going to have to do the bulk of the work. We won't just give you answers on how to do your project.

So first of all, you need to figure out a better way to list the combinations and results. If you figure out a better way to show the problem, that may help you start to get ideas on how to actually make something that will do it.

So try a Truth Table approach, and see how that looks. And think about a 3-D table approach as well (since this is a 3-D problem).

Show us your work on the next steps of figuring out a good way to state what you are trying to do...
 
Oh, and please draw what these axles look like -- show what you mean by 6-D.
 
ok this is a quik image i have made

http://www.memonice.com/overblick2.JPG

those thick black lines are round tubes to spin ... my 6 axis

and i whant to spin them one at the time with 2 dc motor if its possible
 
Last edited by a moderator:
Clue144 said:
ok this is a quik image i have made

http://www.memonice.com/overblick2.JPG

those thick black lines are round tubes to spin ... my 6 axis

and i whant to spin them one at the time with 2 dc motor if its possible

Well, that's not a 6-axis system. Maybe 6-axle, but not 6 axis. A 6 degree of freedom system would be linear motion in x, y, and z, and rotational motion about the 3 axes, for example.

But whatever. Are there any constraints on how the axles are positioned? What are the other rules of this project?
 
Last edited by a moderator:
ok i see but can't it be done with 2 dc motors only ? thers no constraints, just get them to spin one at a time is my goal
 

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