Design and Advanced Control of Intelligent Large-Scale Hydraulic Synchronization Lifting Systems

Table 1

Nomenclature.

	The load flow		The cylinder mass
	The flow coefficient in terms of equivalent area		The output force of the cylinder
	The equivalent area		The bulk modulus of the fluid being used
	The flow-pressure coefficient		The load mass
	The load pressure		The viscous friction coefficient
	The annulus area of the cylinder		The Euclidean norm
	The piston displacement of the cylinder		Maximum norm
	The fluid leakage coefficient		Kronecker product
	The volume