9HUKKANEN P,KUKKONEN J.Between oil and water hydraulics[C] // Proceedings of the Eighth Scandinavian International Conference on Fluid Power,Tampere,Finland,2003:117-128.
10ZIYAD N,MASOUD.A Control System for the Reduction of Cargo Pendulation of Ship-Mounted Cranes[D].Blacksburg:Virginia Polytechnic Institute and State University,2000.