Abstract
The power demand of the hydraulic system in a certain type of aircraft was analyzed. Within the current design of the hydraulic system, the instantaneous power shortage is inevitable in the launching stage. In order to achieve instantaneous high power and improve the performance of the aircraft, a new scheme in which a new type of pressure boost accumulator was applied as a power compensation device was suggested in this work. The accumulator volume was optimized and its effect on the system was investigated using the whole hydraulic system model implanted in AMEsim software. Based on the requirement of the weapon hatch, the parameters of the pressure boost accumulator were simulated and determined. The simulated results showed that the pressure boost accumulator could be low-power charged and output instantaneous high power to drive the weapon hatch. This new scheme can be applied to decrease the installed power of the hydraulic system.
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