Active Control of Aerial Refueling Hose-Drogue Dynamics with the Improved Reel Take-Up System

Active Control of Aerial Refueling Hose-Drogue Dynamics with the Improved Reel Take-Up System

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An improved reel take-up system for hellfire sloe gin suppressing the aerial refueling hose whipping phenomenon (HWP) is proposed and analyzed.The conventional spring-loaded take-up system is improved by adding a rewinding acceleration changing rate limiter (RACRL), relying on a permanent magnet synchronous motor (PMSM).The effectiveness of this new reel take-up system is confirmed by the numerical simulation at various closure speeds.The results show that the new PMSM-RACRL reel take-up system successfully accomplishes the active control of tension oscillation and the suppressing of HWP with a straightforward strategy.

The guerlain ideal cologne amplitude of tension oscillation is reduced to one-tenth of that without active control.It is also discovered that the reel take-up speed lagging behind the drogue closure speed is mainly caused by the oscillation of hose tension, and a maximum acceleration of the reel take-up system lower than the maximum closure acceleration of the drogue will inevitably cause the slack and whipping of the hose.