关键词: 增稳锥套, 无刷直流电机, 回馈制动, 混合制动

Abstract: Due to the excessive current pulses generated by reverse braking at high speeds and the poor braking effect of half bridge chopper feedback braking at low speeds, in order to improve braking speed while meeting current limiting requirements, this paper is based on the principle of energy feedback braking. Theoretical analysis and modal derivation are conducted on the half bridge, full bridge feedback braking, and reverse braking of brushless DC motors used for stabilizing cone sleeves in aerial refueling aircraft. The braking strategy of the motor driven by the outer cover of the stabilizing cone sleeve is optimized from single feedback braking or reverse braking to a hybrid braking combining half bridge feedback braking and reverse braking. This strategy uses half bridge chopper feedback braking at high speeds to feedback current to the battery; reverse braking is used at low speeds to improve braking effectiveness. Simulation and experimental results show the superiority of this method, which can achieve the desired effect.