This information is part of the Modelica Standard Library maintained by the Modelica Association.
Frames
Functions to transform rotational frame quantities
Package Contents
 | Internal Internal definitions that may be removed or changed (do not use) |
 | Quaternions Functions to transform rotational frame quantities based on quaternions (also called Euler parameters) |
 | TransformationMatrices Functions for transformation matrices |
 | absoluteRotation Return absolute orientation object from another absolute and a relative orientation object |
 | angularVelocity1 Return angular velocity resolved in frame 1 from orientation object |
 | angularVelocity2 Return angular velocity resolved in frame 2 from orientation object |
 | axesRotations Return fixed rotation object to rotate in sequence around fixed angles along 3 axes |
 | axesRotationsAngles Return the 3 angles to rotate in sequence around 3 axes to construct the given orientation object |
 | axis Return unit vector for x-, y-, or z-axis |
 | axisRotation Return rotation object to rotate around an angle along one frame axis |
 | from_nxy Return fixed orientation object from n_x and n_y vectors |
 | from_nxz Return fixed orientation object from n_x and n_z vectors |
 | from_Q Return orientation object R from quaternion orientation object Q |
 | from_T Return orientation object R from transformation matrix T |
 | from_T_inv Return orientation object R from inverse transformation matrix T_inv |
 | from_T2 Return orientation object R from transformation matrix T and its derivative der(T) |
 | inverseRotation Return inverse orientation object |
 | nullRotation Return orientation object that does not rotate a frame |
 | Orientation Orientation object defining rotation from a frame 1 into a frame 2 |
 | orientationConstraint Return residues of orientation constraints (shall be zero) |
 | planarRotation Return orientation object of a planar rotation |
 | planarRotationAngle Return angle of a planar rotation, given the rotation axis and the representations of a vector in frame 1 and frame 2 |
 | relativeRotation Return relative orientation object |
 | resolve1 Transform vector from frame 2 to frame 1 |
 | resolve2 Transform vector from frame 1 to frame 2 |
 | resolveDyade1 Transform second order tensor from frame 2 to frame 1 |
 | resolveDyade2 Transform second order tensor from frame 1 to frame 2 |
 | resolveRelative Transform vector from frame 1 to frame 2 using absolute orientation objects of frame 1 and of frame 2 |
 | smallRotation Return rotation angles valid for a small rotation and optionally residues that should be zero |
 | to_exy Map rotation object into e_x and e_y vectors of frame 2, resolved in frame 1 |
 | to_Q Return quaternion orientation object Q from orientation object R |
 | to_T Return transformation matrix T from orientation object R |
 | to_T_inv Return inverse transformation matrix T_inv from orientation object R |
 | to_vector Map rotation object into vector |
