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transmission_interface contains data structures for representing mechanical transmissions, and methods for propagating position, velocity and effort variables between actuator and joint spaces.

In the same spirit as the hardware_interface package, this package wraps existing raw data (eg. current actuator position, reference joint command, etc.) under a consistent interface. By not imposing a specific layout on the raw data, it becomes easier to support arbitrary hardware drivers to software control.

The transmission_interface is not used by controllers themselves (it does not implement a HardwareInterface) but instead operates before or after the controllers update, in the read() and write() methods (or equivalents) of the robot abstraction.

See the main ros_control page, C++ API and the ros_control wiki for more information.

2024-06-15 13:48