Research on a Vertical Hit Method for Striking the Middle of a Large Undersea Vehicle
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摘要: 受探测系统目标瞄准点在大型水下航行器上随机漂移影响, 工程应用中经常会出现高速攻击型无人水下航行器(UUV)在大型水下航行器前后两侧垂直穿过而导致目标脱靶的情况。针对上述问题, 文中提出一种新的垂直命中导引方法, 利用探测系统多周期数据实现垂直命中大型水下航行器中间部位的目的, 并进行了统计仿真, 仿真结果表明该方法对制导参量敏感程度比较低, 对UUV与目标航行器相对阵位的适应能力强, 在现有制导参量精度要求条件下能够满足垂直命中工程要求, 考虑命中部位时, 可垂直命中大型水下航行器中间部位, 垂直命中概率有明显提高。文中提出的方法具有合理性和可行性, 能够提高对大型水下航行器的毁伤效果。Abstract: Due to the random drift of the target aiming point of the detection system on large undersea vehicles, high-speed attack type UUVs often cross the front and rear sides of large undersea vehicles vertically in engineering applications, resulting in target miss. In response to the above issues, this article proposes a new vertical hit guidance method that utilizes multi-cycle data from the detection system to achieve vertical hits in the middle of a large undersea vehicle. Finally, statistical simulation was conducted, and the simulation results showed that this method has a relatively low sensitivity to guidance parameters and strong adaptability to the relative position of UUV and the target vehicle. It can meet the requirements of vertical hit engineering under the existing guidance parameter accuracy requirements. When considering the hit location, there is a significant increase in the probability of vertical hit, which can achieve vertical hit in the middle of large undersea vehicles. The method proposed in the article is reasonable and feasible, and can improve the damage effect on large undersea vehicles.
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图 3 利用探测系统多周期数据实现导引点位于目标中间部位示意图
Figure 3. Diagram of guidance point located in the middle of the target using detection system multi-cycle data
表 1 误差设置情况表
Table 1. the error setting
误差参量 误差类型 A B C 目标航向角均方误差/(°) 0 5/3(≈1.6) 3 目标速度均方误差/m 0 0.5 1 目标距离均方误差/m 0 2/3(≈0.6) 2 目标方位角均方误差/(°) 0 1/3(≈0.3) 0.5 
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表 2 不考虑探测系统多周期数据动态亮点移位仿真结果
Table 2. the simulation results without considering the dynamic bright spot shift of the multi-cycle data of the detection system
误差
类型脱靶量/m 命中角与90º之差的绝对值/(°) 深度差/m 水平面垂直命中概率/% 水平面和垂直面垂直命中概率/% 平均值 均方差 平均值 均方差 平均值 均方差 不考虑命中部位 考虑命中部位 不考虑命中部位 考虑命中部位 误差A 1.34 1.20 1.45 1.22 0.37 0.01 100 53 100 51 误差B 3.27 2.65 1.96 1.40 0.57 0.43 100 49 96 46 误差C 6.38 5.20 2.68 1.91 0.80 0.64 94.5 44 82 40
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表 3 考虑探测系统多周期数据动态亮点移位仿真结果
Table 3. the simulation results with considering the dynamic bright spot shift of the multi-cycle data of the detection system
脱靶量/m 命中角与90º之差d 绝对值/(°) 深度差/m 水平面垂直命中概率/% 水平面和垂直面垂直命中概率/% 平均值 均方差 平均值 均方差 平均值 均方差 不考虑命中部位 考虑命中部位 不考虑命中部位 考虑命中部位 误差A — — 1.46 1.25 0.38 0.015 — 86 — 85 误差B — — 1.98 1.42 0.58 0.46 — 82 — 81 误差C — — 2.71 1.93 0.83 0.66 — 79 — 76
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