The AFS type has now been superseded in U.S. service by the T-AKE auxiliary dry cargo ships of the Lewis and Clark class, also built at NASSCO.

The active vibration control of the beam structure, which is used in the isolation of the ships auxiliary machines, is studied by using modal analysis method and adaptive algorithm in this paper.

The auxiliary decision system for optimization management of ships passing dam is a comprehensive system comprising person, computer and information resources.