一种新的扩展比例制导律设计与仿真

摘要

基于制导末段需用过载为零的要求，在比例制导律（PN）的基础上引入重力补偿、导弹纵向加速度补偿以及目标加速度补偿，设计了一种新的扩展比例制导律（APN）。数字仿真表明，与PN相比，APN需用过载较小（弹道更为平直），拦截时间较短，对大机动目标具有较小的脱靶量。%In order to meet the requirment of minimizing terminal overload to zero, a kind of aug- mented proportional navigation guidance law （APN）is designed based on proportional navigation （PN）, which uses compensations of gravitation, target acceleration and missile acceleration of the body＇ s x-axis direction. Numeric simulations indicate that APN has less required overload （the trajectory is more straight）, less attacking time and miss amount for large maneuvering target compared with PN.