Change GitHub org name to google-deepmind.
PiperOrigin-RevId: 563512242 Change-Id: Ife98501e95bb3459d96c7c73e5fb53be5513dd4b
This commit is contained in:
committed by
Copybara-Service
parent
1a3215e329
commit
7e5a7b76fc
+4
-4
@@ -278,9 +278,9 @@ is attached; the possible attachment object types are :at:`joint`, :at:`tendon`,
|
||||
:at:`slider-crank`
|
||||
:at:`slider-crank` `transmissions <https://en.wikipedia.org/wiki/Slider-crank_linkage>`_ transform a linear force to
|
||||
a torque, as in a piston-driven combustion engine. `This model
|
||||
<https://github.com/deepmind/mujoco/tree/main/model/slider_crank>`_ contains pedagogical examples. Slider-cranks can
|
||||
also be modeled explicitly by creating MuJoCo bodies and coupling them with equality constraints to the rest of the
|
||||
system, but that would be less efficient.
|
||||
<https://github.com/google-deepmind/mujoco/tree/main/model/slider_crank>`_ contains pedagogical examples.
|
||||
Slider-cranks can also be modeled explicitly by creating MuJoCo bodies and coupling them with equality constraints to
|
||||
the rest of the system, but that would be less efficient.
|
||||
|
||||
:at:`site`
|
||||
:at:`site` transmission (without a :at:`refsite`, see below) and :at:`body` transmission targets have a fixed zero
|
||||
@@ -573,7 +573,7 @@ Fast implicit-in-velocity (``implicitfast``)
|
||||
<https://en.wikipedia.org/wiki/Runge–Kutta_methods#Derivation_of_the_Runge–Kutta_fourth-order_method>`_, though users
|
||||
can easily implement other integrators by calling :ref:`mj_forward` and integrating accelerations themselves. We have
|
||||
observed that for energy-conserving systems (`example
|
||||
<https://github.com/deepmind/mujoco/blob/main/test/engine/testdata/derivative/energy_conserving_pendulum.xml>`_) RK4
|
||||
<https://github.com/google-deepmind/mujoco/blob/main/test/engine/testdata/derivative/energy_conserving_pendulum.xml>`_) RK4
|
||||
is qualitatively better than the single-step methods, both in terms of stability and accuracy, even when the timestep
|
||||
is decreased by a factor of 4 (so the computational effort is identical). In the presence of large velocity-
|
||||
dependent forces, if the chosen single-step method integrates those forces implicitly, single-step methods can be
|
||||
|
||||
Reference in New Issue
Block a user