bearing and degrees of freedom dof n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Bearing and Degrees Of Freedom (DOF) PowerPoint Presentation
Download Presentation
Bearing and Degrees Of Freedom (DOF)

Loading in 2 Seconds...

play fullscreen
1 / 6

Bearing and Degrees Of Freedom (DOF) - PowerPoint PPT Presentation


  • 100 Views
  • Uploaded on

Bearing and Degrees Of Freedom (DOF). If a farmer goes to milk her cows in the morning carrying a stool under one hand and a pail under another the other hand, how many legs does the stool have?. Degrees of Freedom.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Bearing and Degrees Of Freedom (DOF)' - talli


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
slide2
If a farmer goes to milk her cows in the morning carrying a stool under one hand and a pail under another the other hand, how many legs does the stool have?
degrees of freedom
Degrees of Freedom
  • The degrees of freedom (DOF) of a mechanical system are the minimum number of variables required to completely specify the velocity of a the system. Thus, the DOF can be defined as the number of independent movements it has.
planar motion
Planar Motion
  • An rigid body constrained to planar motion has 3 DOF, which can be represented by translation in x and y, and rotation.
3d motion
3D Motion
  • An unconstrained object in space has 6 DOF, which can be represented by translation in x, y, and z, and rotation about the three axes.
holonomic vs non holonomic
Holonomic vs Non-Holonomic

Most mechanisms are holonomic, and with holonomic systems the number of DOF is also the number of coordinates required to specify completely the position of the mechanism. An example of a non-holonomic system is a car with front wheel steering. There are two variables that define the velocity; the rear wheel speed and the angle of the front wheel. However, it requires three variables to define the position of the car (x, y, and orientation). In these notes we will restrict ourselves to holonomic systems. Thus we can identify the DOF by the minimum number of variables required to define the position or body or system.