CAJ | 학술논문

为提高防空炮弹的精确打击能力，该文以一类鸭舵控制的防空制导炮弹为对象，根据防空弹药的作战特点，对弹道预测导引法和修正比例导引法的应用进行了研究。基于三自由度有风质点弹道模型，提出了具有良好精度和较快计算速度的弹道预测解析模型及相应的剩余飞行时间估算公式，并分析了不同条件对预测模型精度的影响；根据炮弹当前位置和目标未来点间的位置偏差矢量，推导了修正比例导引的加速度指令。理论分析及仿真结果表明，两种导引方法在一定条件下均具有较好的控制效果；对于不同弹道控制量及不同有效射程，弹道预测导引法适用于防空炮弹的弹道末段，而修正比例导引法则适用于弹道初始段及中段，可满足控制精度和飞行稳定性的要求。
위제고방공포탄적정학타격능력，해문이일류압타공제적방공제도포탄위대상，근거방공탄약적작전특점，대탄도예측도인법화수정비례도인법적응용진행료연구。기우삼자유도유풍질점탄도모형，제출료구유량호정도화교쾌계산속도적탄도예측해석모형급상응적잉여비행시간고산공식，병분석료불동조건대예측모형정도적영향；근거포탄당전위치화목표미래점간적위치편차시량，추도료수정비례도인적가속도지령。이론분석급방진결과표명，량충도인방법재일정조건하균구유교호적공제효과；대우불동탄도공제량급불동유효사정，탄도예측도인법괄용우방공포탄적탄도말단，이수정비례도인법칙괄용우탄도초시단급중단，가만족공제정도화비행은정성적요구。
To improve the fire accuracy of air-defense projectiles,taking a type of air-defense guided projectiles with canard control as an object,the application process of trajectory prediction guidance ( TPG) and modified proportional navigation guidance( MPNG) is studied in terms of the properties of air-defense projectiles. Based on the 3D trajectory model containing wind, an analytical model for trajectory prediction and the corresponding algorithm for estimating time-to-go are proposed,both of which are of good accuracy. According to the bias vector between the projectile and the future position of maneuvering target,a simple expression of acceleration command for MPNG is derived. Theoretical analysis and simulation results indicate that both of TPG and MPNG are satisfactorily effective under some conditions. For different control quantities and flight ranges, the TPG can be applied to the terminal phase of trajectory while the MPNG is more appropriate for the initial phase and mid-course. Both of the accuracy and stability requirements can be attained.