Response Characteristics Analysis and Optimization Design of Load Sensing Variable Pump

Table 1

Test rig basic parameters.

Number	Name	Parameters
1	Pump maximum displacement	7.9 10^−6 m^3/rad
2	Pitch radius	0.05 m
3	Diameter of Pistons	0.028 m
4	Number of pistons	9
5	Maximum piston stroke	0.06 m
6	Swash plate maximum angle	0.65 rad
7	Arm length between the actuator and the swash plate pivoting point	0.056 m
8	Swash plate actuator stroke	0.05 m
9	Diameter of the orifice at the bottom of the piston chamber	0.007 m
10	Pump maximum rated speed	230 rad/s
11	Maximum pressure	270 bar
12	Rated flow	1.1 10^−3 m^3/s