A Novel Energy-Efficient Transmission System and Control Strategy for Hydraulic Machines

Table 1

Compositions statistics of each press.

HP	Circuit	()	Elbow			Pipe joint	Valve
			HP with 3-D structure	Motor-pump circuit	;			9	10	6	8	6
Main-cylinder circuit	;	2		6	10	7	8
Unloading circuit	; ;	1		8	10	8	7
Oil-filling circuit	;	1		9	8	6	8
Control circuit	; ; ; ;	1		8	10	8	6
Boosting and recovery circuit	;	0		6	2	7	4
THP	Motor-pump circuit	;	13	14	8	14	16
	Main-cylinder circuit	;	5	8	14	14	10
	Unloading circuit	; ; ;	4	10	12	16	12
	Oil-filling circuit	;	4	12	10	12	11
	Control circuit	; ; ; ; ;	0	10	10	16	10