It's too bad but I confirm this -> it drives me nuts!
When I'm aboard reading the PDA for more than half a minute or just staying around or even use the fabricator,
character begins uncontrolled jumping, hopping ... then suddenl…
Confirmed, I have also noticed this Cyclops-moving-phenomenon.
It appears (in every game I started so far) while I'm aboard
- reading the PDA for more than a minute
- staying around
- building (!) lockers and plant-pots …