Observer-Based Robust Control for Hydraulic Velocity Control System

Table 1

Miscellaneous coefficient value.

Coefficients	Value	Unit
𝐾𝑖	1𝑒−3	A/V
𝐾𝑠	1.5	m/A
𝐴𝑔	1.8𝑒−3	m^2
𝛽𝑒	1𝑒9	Pa
𝐶𝑖𝑐	2.4𝑒−11	m·N/s
𝐶𝑒𝑐	7.3𝑒−13	m·N/s
𝑉𝑡	1𝑒−4	m^3
𝑚	3.75	kg
𝐵𝑐	500	N·s/m
𝐾	1.66𝑒5	N/m
𝐷max	2.39𝑒−5	m^3/rad
𝑦max	0.015	m
𝐶𝑡𝑐	2.4𝑒−11	m·N/s
𝐵	0.09	N·m/(rad/s)
𝐽𝑝/𝑚	0.52	kg·m^2
𝐾𝑞	5.56𝑒−3	(m^3/s)/m
𝐾𝑐	8𝑒−12	m^5/N·s
𝑟	145.2	—
𝑃𝑠	15𝑒6	Pa