self-moving

Descartes’ remarkable and novel claim, first stated in the Discourse on Method, was that animals are automata, that is, complex, self-moving machines.

There is also Travelmate, a self-moving suitcase that follows its owner and is expected to be available this year.

"Is the highest principle regarded as a fixed, abstract, and rigid one, or as a concrete and self-moving one?"

The world consists of a finite number of atoms, which have in their own nature a self-moving force or principle.

Having devised a scheme for perpetual motion he constructed several wheels which he claimed to be self-moving.