  We report on the implementation of a dynamically configurable, servomotor-
controlled, permanent magnet Zeeman slower for quantum optics experiments with
ultracold atoms and molecules. This atom slower allows for switching between
magnetic field profiles that are designed for different atomic species.
Additionally, through feedback on the atom trapping rate, we demonstrate that
computer-controlled genetic optimization algorithms applied to the magnet
positions can be used in situ to obtain field profiles that maximize the
trapping rate for any given experimental conditions. The device is lightweight,
remotely controlled, and consumes no power in steady state; it is a step toward
automated control of quantum optics experiments.
