1BROOKS J W. Forging of Superalloys [ J ]. Materials & De- sign,2000,21 (4) :297-303.
2KLAUS Siegert, ARKUS Husserman, BRUNO losch. Recent Developments in Hydroforming Technology [ J ]. Jounal of materials Proccessing Technology, 2000,98 : 251 - 258.
3ZHENG J, ZHAO S, WEI S. Application of Self-tuning Fuzzy PID Controller for a SRM Direct Drive Volume Control Hydraulic Press [J]. Control engineering practice, 2009,17 (12) : 1398-1404.
4XIA L, XIAO Y, LI G S, et al. Research of New Servo-Hy- draulic Press Based on the AC Servo Motor Control[J] .Key Engineering Materials, 2012,522 : 542- 545.
