Voltage stabilizing aircraft skin clamping system and method

The invention discloses voltage stabilizing aircraft skin clamping system and method. The voltage stabilizing aircraft skin clamping system comprises a hydraulic pump and a hydraulic cylinder, whereina voltage stabilizing unit and a pressure maintaining unit are arranged between the hydraulic pump and the hydraulic cylinder in parallel; the voltage stabilizing unit comprises a reducing valve A, an electro-hydraulic directional valve and a hydraulic control one-way valve sequentially connected with the hydraulic cylinder; the hydraulic control one-way valve is connected with an electromagneticdirectional valve A and an electromagnetic directional valve B; the electromagnetic directional valve A and the electromagnetic directional valve B are arranged in parallel; a rodless cavity of the hydraulic cylinder is connected with the electromagnetic directional valve A; a rod cavity of the hydraulic cylinder is connected with the electromagnetic directional valve B; the pressure maintainingunit comprises an electroma