ExternalWrench
This is a ROS message definition.
Source
# Apply an external wrench to a named body/link in the MuJoCo simulation
# for a given duration.
# Standard ROS header (stamp, frame_id)
std_msgs/Header header
# Wrench expressed in the world frame.
# frame_id should be the name of the link/body the wrench is applied to (must match the MJCF body name).
# force [N] – linear force (x, y, z)
# torque [N·m] – angular moment (x, y, z)
geometry_msgs/WrenchStamped wrench
# Point of force application expressed in the body's local frame
# (relative to the body frame origin, in metres).
# A zero vector applies the force at the body frame origin.
geometry_msgs/Point application_point
# How long the wrench remains active.
# A zero duration applies the wrench for a single simulation step.
builtin_interfaces/Duration duration
# Optional ramp-down window at the end of the duration over which the wrench
# magnitude is linearly scaled from 1.0 to 0.0. Must be <= duration.
# A zero value (default) produces the original abrupt cut-off behaviour.
builtin_interfaces/Duration ramp_down_duration