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基于能耗平衡原理的引信模拟自毁电路

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基于能耗平衡原理的引信模拟自毁电路
Analog Circuit for Self-Destruction of Fuze Based on Energy Balance
投稿时间：2016-09-22
DOI：10.15918/j.tbit1001-0645.2017.12.016
中文关键词:引信|模拟自毁电路|能耗平衡|蒙特卡洛
English Keywords:fuze|analog circuit for self-destruction|energy balance|Monte Carlo
基金项目:国家部委基础科研重点项目（B2220132013）
作者单位
何光林北京理工大学 引信动态特性国防科技重点实验室, 北京 100081
张崭北京理工大学 引信动态特性国防科技重点实验室, 北京 100081
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中文摘要:
针对引信模拟自毁电路低压失效问题，提出了一种基于能耗平衡原理的分立式元件自毁电路改进方案.通过严格控制比较器输入端的电压值，实现发火电容在低电压充电情况下顺利储能；建立电路能耗数学模型，精确设计了自毁时间；采用蒙特卡洛方法，分析了元器件容差对电路特性的影响.仿真计算表明，该方案可将欠压发火阈值降低至4.5V，自毁时间相对误差不超过1%，电路可在5.5~15.0V电压范围内可靠作用.
English Summary:
To rescue the low voltage failure of self-destruction circuit of fuze, an improved analog circuit using discrete components was proposed, which was based on energy balance. By strictly limiting input terminals' voltage of the comparator, full charge of the capacitor used for detonating was achieved in a low charging voltage; energy consumption modeling was completed and the time of self-destruction was designed accurately; using the Monte Carlo method, the influence of components tolerance on the characteristics of the circuit was analyzed. The simulation shows that detonating threshold can be reduced to 4.5V, relative deviation of self-destruction time is under 1% and the circuit is reliable under the voltage range of 5.5V to 15.0V.
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