For position control in more than one direction, multiple linear stages may be used together.
A common type of servo provides position control.
It is not enough to build a simple single-speed assist motor, with forward/hold/reverse position controls and no on-board computer control.
It was to have thrusters for position control and a rocket engine capable of producing a small amount of thrust.
The vertical position control moves the whole displayed trace up and down.
The horizontal position control moves the display sidewise.
For more precise position control, a worm drive may be used.
Synchronous motors are especially useful in applications requiring precise speed and/or position control.
The simplest example is the position control.
A single touch on the position control puts the listener in the front row or in the balcony.