基于电子安全系统的巡飞弹引信多态安全逻辑控制方法设计及验证

doi:10.12382/bgxb.2022.0522

摘要/Abstract

摘要：

为适应巡飞弹群集群作战时安全状态的转换,针对可靠实现保险恢复及再解保的安全控制需求,提出并设计了基于电子安全系统的巡飞弹引信多态安全逻辑控制方法。根据电子安全系统的结构,确定电子安全系统两个现场可编程门阵列(FPGA)之间的输入输出关系及多态安全逻辑控制流程。基于设定的解保逻辑,分析并计算引信安全系统在发射前的意外失效率,其满足引信安全性准则要求。设计FPGA内部运行的状态机来控制巡飞弹引信状态的转换,通过仿真与试验验证在环境信号正常出现时各级保险可正常解除,当环境信号错误出现以及恢复保险等情况下各解保信号与状态也可以按照设定转变。研究结果表明,安全系统可按照预定逻辑实现安全状态控制,满足巡飞弹的作战需求。

关键词: 引信, 巡飞弹, 电子安全系统, 多态安全逻辑控制

Abstract:

To adapt to the transition of the safety state of the cruising missile ammunition in swarm combat and ensure reliable safety recovery and rearming, a polymorphic safety logic control method is proposed for cruise ammunition fuzes based on an electronic safety system. The decision result is selected as the target-based arming environment, and the input-output relationship between the two FPGAs of the electronic safety system and the polymorphic safety logic control process are determined according to the structure of the electronic safety system. Based on the established deprotection logic, the accidental failure rate of the fuze safety system before launch is analyzed and calculated, meeting the safety criteria. By designing two state machines running inside the FPGA to control the transition of the safety state of the cruise ammunition fuze and achieve polymorphic safety logic control, the feasibility is validated through simulation. Experiment results demonstrate successful realization of the designed safety state transition.

Key words: fuze, cruise ammunition, electronic safety system, polymorphic safety logic control

中图分类号:

TJ430

张传昊, 李豪杰, 宫雪峰, 陈志鹏, 于航. 基于电子安全系统的巡飞弹引信多态安全逻辑控制方法设计及验证[J]. 兵工学报, 2023, 44(10): 3079-3090.

ZHANG Chuanhao, LI Haojie, GONG Xuefeng, CHEN Zhipeng, YU Hang. Design and Verification of Polymorphic Safety Logic Control Method for Cruise Ammunition Fuze Based on Electronic Safety System[J]. Acta Armamentarii, 2023, 44(10): 3079-3090.

图/表 17

图1 巡飞弹引信解保及恢复逻辑图

Fig.1 Logic diagram of fuse release and recovery of cruise missiles

图2 总体安全状态转移图

Fig.2 Diagram of overall security state transition

图3 多态安全控制系统信号输入输出结构图

Fig.3 Signal input and output of the polymorphic safety control system

表1 系统输入输出及内部信号说明

Table 1 System input and output and internal signals

信号	信号说明	信号	信号说明	信号	信号说明
env_1	一级保险环境信号	SW1	一级保险解保	C_FK	外围电路电容泄能反馈
env_2	二级保险环境信号	SW2	二级保险解保	En_XXX	各级保险使能信号
assignment	分配结果	SWD	目标基保险解保	XXX_sig	FPGA间传递信号
restore	恢复保险信号	SELF_FIRE	自毁信号
reset	安全重置信号	SWD_FK	目标基保险解保反馈

图4 多态安全逻辑控制流程算法

Fig.4 Polymorphic safety logic control flow algorithm

图5 FPGA_Ⅰ内部运行状态机

Fig.5 FPGA_Ⅰ internal running state machine

图6 FPGA_Ⅱ内部运行状态机

Fig.6 FPGA_Ⅱ internal running state machine

图7 多态安全控制系统RTL仿真示意图

Fig.7 Schematic diagram of RTL simulation of polymorphic safety control system

图8 FPGA_Ⅰ内部状态机仿真示意图

Fig.8 Schematic diagram of FPGA_Ⅰ internal state machine simulation

图9 FPGA_Ⅱ内部状态机仿真示意图

Fig.9 Schematic diagram of FPGA_Ⅱ internal state machine simulation

表2 各状态说明及对应独热码编码

Table 2 Description of each state and corresponding one-hot code encoding

FPGA_Ⅰ 状态说明	编码	FPGA_Ⅱ 状态说明	编码
IDLE 初始安全状态	00_000_001	IDLE 初始安全状态	000_000_001
REC_SW1 环境信号1 识别成功状态	00_000_010	pre_SW1 等待状态	000_000_010
SW1_ARM 一级保险解保状态	00_000_100	SW1_ARM 一级保险解保状态	000_000_100
SW2_ARM 二级保险解保状态	00_001_000	TIME 时间窗	000_001_000
REC_SWD 任务分配决策识别成功状态	00_010_000	REC_SW2 环境信号2 识别成功状态	000_010_000
SWD_ARM 待发状态	00_100_000	SW2_ARM 二级保险解保状态	000_100_000
LOCK 安全锁定状态	01_000_000	SWD_ARM 待发状态	001_000_000
ERROR 故障状态	10_000_000	LOCK 安全锁定状态	010_000_000
		ERROR 故障状态	100_000_000

图10 环境信号2未在时间窗内出现时仿真结果

Fig.10 Simulation results when environmental signal 2 does not appear within the time window

图11 恢复保险后再解保仿真结果

Fig.11 Simulation results of uninsurance after reinstatement

图12 回收时仿真结果

Fig.12 Simulation results during recycling

图13 设定时间自毁信号输出仿真结果

Fig.13 Simulation results of set time self-destruct signal output

图14 各级保险正常解保时各引脚输出波形

Fig.14 Output waveforms when all levels of insurance are released normally

图15 恢复保险后再解保输出波形

Fig.15 Output waveform of releasing insurance after recovering insurance

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