Self locking worm gearboxes provide the required motor speed reduction, and allow the arm to be held in position without consuming any energy.
Helicopter gearbox diagnostics and prognostics using vibration signature analysis.
Typically, the equations representing the output side of the gearboxes on a robot arm will need to be coupled to the system dynamics and integrated with a small step size.
The actuation of these d. o. f. is made with a stepper motor coupled through a gearbox with a great reduction ratio, which increases the precision of the movements.
To this end, the arm motors and gearboxes were selected so that the arm can move from fully retracted to fully extended, or vice-versa, in under 1.5 seconds.
One end directly drives the gearbox, the other has a wheel attached.
Friction in gearbox helps us fix the output shaft without consuming energy.
These frictions are essentially located in the gearbox reducers.