Hysteresis control has disadvantage of unstable switching frequency. 滯環控制方法存在開關頻率變化不定的缺點。
For the finite propulsion reentry guidance, the conventional closed-thruster equation based on open-loop control loses its way. 摘要解決有限推力模型的再入飛行器初制導問題,利用傳統開環控制的關機方程達不到要求的精度。