UT        WOS:000310088300020

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FN        Thomson Reuters Web of Knowledge
VR        1.0
PT        J
AU        Han, HY
Wang, J
Huang, QX
AF        Han, H. Y.
Wang, J.
Huang, Q. X.
TI        Analysis of unsymmetrical valve controlling unsymmetrical cylinder stability in hydraulic leveler
SO        NONLINEAR DYNAMICS
AB        The unsymmetrical valve controlling unsymmetrical cylinder is applied to the full hydraulic leveler. Generally, the hydraulic cylinder is in the position of the large stroke and it has a fast speed, the orifice area of the unsymmetrical valve being large accordingly. Furthermore, the four cylinders' displacements are interacting, this system being a complex coupling nonlinear system. It is inaccurate to judge the stability of the system by linearization. This paper proves that the unsymmetrical valve controlling the unsymmetrical cylinder system is stable by Lyapunov theorem. Then, the AMEsim software and experimental data verify the stability of the system when it is in nonlinear state. This paper shows that using unsymmetrical valve controlling unsymmetrical cylinder is reasonable and provides the theoretical basis for criteria of nonlinear system's stability.
SN        0924-090X
PD        OCT
PY        2012
VL        70
IS        2
BP        1199
EP        1203
DI        10.1007/s11071-012-0523-y
UT        WOS:000310088300020
ER       
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