摘要
为了提高炸药的性能,设计一种新型高精度多段爆速仪,以光纤作为传感器采集爆炸信号,通过峰值电压采样保持电路,保证了光纤获取爆炸信号波形峰值间的计时,并由FPGA进行数据处理,提高了系统的测试精度和稳定性,简化了电路设计和调试。文中对峰值电压采样保持电路、光电转换部分电路进行了详细的设计,并结合实验和误差对比分析系统的精度,结果表明本系统在精度上有很大的提高。
In order to improve the performance of dynamite, a new high-precision multiple detonation velocity meter was designed. Fiber optical was used as the detonator signals received by the transducer. By peak voltage sample-holding circuit, the time between wave peaks of detonator signals obtained from fiber optical was identified, and the data were pro- cessed by FPGA. By this means, the test accuracy and stability of the system were improved, and the circuit design and debugging were simplified. In this paper, peak voltage sample-hold circuit and photoelectric conversion circuit were designed in detail. The precision of the system was comparatively analyzed combining with experiments and error. The results show that the system ensures a great improvement in accuracy.
出处
《爆破器材》
CAS
北大核心
2013年第6期29-31,共3页
Explosive Materials
关键词
多段爆速
光纤
FPGA
高精度
multiple detonation velocity, fiber optical, FPGA, high precision
