Revolute: Difference between revisions

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|n||Modelica.Mechanics.MultiBody.Types.Axis||{0,0,1}||the rotation axis in frame_a
|n||Modelica.Mechanics.MultiBody.Types.Axis||{0,0,1}||the rotation axis in frame_a
|-
|-
|phi||SIunits.Angle||0||initial joint angle measured in frame_a and rotation axis n
|phi||SIunits.Angle||0||initial joint angle measured in frame_a and rotation axis n, specified as <code>phi( start=startAngle )</code>
|-
|-
|phi_offset||SIunits.Angle||0||offset applied to the joint's internal angle measurement
|phi_offset||SIunits.Angle||0||offset applied to the joint's internal angle measurement
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===Public Fields===
===Public Fields===
{|class="wikitable"
!name||type||description
|-
|frame_a||Interfaces.Frame_a||Coordinate system fixed to the component with one cut-force and cut-torque
|-
|frame_b||Interfaces.Frame_b||Coordinate system fixed to the component with one cut-force and cut-torque
|-
|phi||SIunits.Angle||angle between frame_a and frame_b
|-
|}

Revision as of 16:27, 3 January 2020

A revolute joint. [1]

Modeling Approach

The joint one frame one each side of the joint, with flanges on the joint and the rotating axis for receiving torques from Rotational elements.

Required Parameters

None.

Optional Parameters

name type default description
n Modelica.Mechanics.MultiBody.Types.Axis {0,0,1} the rotation axis in frame_a
phi SIunits.Angle 0 initial joint angle measured in frame_a and rotation axis n, specified as phi( start=startAngle )
phi_offset SIunits.Angle 0 offset applied to the joint's internal angle measurement
angle SIunits.Angle 0 joint angle, = phi + phi_offset
w SIunits.AngularVelocity 0 initial angular velocity
a SIunits.AngularAcceleration 0 initial angular acceleration
tau SIunits.Torque 0 driving torque in the axis of rotation
useAxisFlange Boolean false whether to constrain the joint according to whatever is attached to the axis and joint flanges

Public Fields

name type description
frame_a Interfaces.Frame_a Coordinate system fixed to the component with one cut-force and cut-torque
frame_b Interfaces.Frame_b Coordinate system fixed to the component with one cut-force and cut-torque
phi SIunits.Angle angle between frame_a and frame_b