Iterative Smooth Variable Structure Filter for Parameter Estimation

Table 3

The parameters of the EHA proposed in [13].

Symbol	Description	Value
𝐴𝑒	Piston area	5.05×10^−4 m^2
𝐵𝑒	Load friction	760 Ns/m
𝐷𝑝	Pump displacement	1.69×10^−7m^3/rad
𝐿	Leakage coefficient	2.5×10^−11m^3/(Pa⋅s)
𝑀	Load mass	20 Kg
𝑉0	Chamber volume	6.85×10^−5 m^3
𝛽𝑒	Effective bulk modulus	1.5×10^8−2×10^8Pa