Rotor Bearing Solutions International

Active magnetic bearing systems have many advantages for rotating machinery.  However, one of the drawbacks is potential loss of levitation due to loss of power in the active magnetic bearing system.  The rotor then drops, and an auxiliary bearing system is needed to protect vital system components from damage. Auxiliary bearing  systems usually consist of […]

A few years ago, members of the RBSI team were looking for a way to explain magnetic bearing controls to mechanical engineers that may not have a deep controls background.  We decided to write a paper on an active magnetic bearing supported rigid rotor using proportional-derivative (PD) controls.  By using this method, we could recast […]