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电枢膛内高速运动控制仿真与试验

王振春 董宗豪 鲍志勇 张玉婷 刘福才

王振春, 董宗豪, 鲍志勇, 等. 电枢膛内高速运动控制仿真与试验[J]. 强激光与粒子束, 2020, 32: 075006. doi: 10.11884/HPLPB202032.200020
引用本文: 王振春, 董宗豪, 鲍志勇, 等. 电枢膛内高速运动控制仿真与试验[J]. 强激光与粒子束, 2020, 32: 075006. doi: 10.11884/HPLPB202032.200020
Wang Zhenchun, Dong Zonghao, Bao Zhiyong, et al. Simulation and experimental study on high velocity control of armature in bore[J]. High Power Laser and Particle Beams, 2020, 32: 075006. doi: 10.11884/HPLPB202032.200020
Citation: Wang Zhenchun, Dong Zonghao, Bao Zhiyong, et al. Simulation and experimental study on high velocity control of armature in bore[J]. High Power Laser and Particle Beams, 2020, 32: 075006. doi: 10.11884/HPLPB202032.200020

电枢膛内高速运动控制仿真与试验

doi: 10.11884/HPLPB202032.200020
基金项目: 河北省自然科学基金项目(E2017203298)
详细信息
    作者简介:

    王振春(1979—),男,博士,副研究员,研究方向:电磁发射控制技术;zcwang@ysu.edu.cn

  • 中图分类号: TM 153

Simulation and experimental study on high velocity control of armature in bore

  • 摘要: 电磁轨道发射的过程中,电枢在膛内高速运动时会受到电磁力、电枢初始正压力、摩擦力、空气阻力、烧蚀阻力等多种因素影响,电枢的出口速度呈现出在一定范围内波动的特征。为了提高电枢的出口速度精度,针对膛内电枢与轨道摩擦不均衡性和烧蚀程度不确定的特性,综合考虑脉冲成形网络的电路模型与电枢的动力学特征,建立了电枢在膛内的运动开环控制仿真模型。通过仿真,得出了脉冲电源模块触发时刻与电枢出口速度之间的关系,提出了电枢出口速度闭环控制模型,探究了电枢出口速度控制可行方案。结果表明:应用闭环控制算法,可实现对电枢出口速度的精确控制。
  • 图  1  脉冲成形网络电路

    Figure  1.  Multi-module circuit diagram

    图  2  不同触发时刻下电流与速度曲线

    Figure  2.  Time series current and velocity waveform diagram of different spaced discharge

    图  3  第二组脉冲电源模块触发时刻${T_{{\rm{trig}}}}$与电枢出口速度之间的关系

    Figure  3.  Relationship between trigger time and muzzle velocity

    图  4  n次测速反馈构成的闭环系统

    Figure  4.  A closed-loop system composed of n times of speed measurement feedback

    图  5  开环与闭环电枢速度对比

    Figure  5.  Comparison of open-loop and closed-loop armature velocity

    图  6  电枢初始正压力

    Figure  6.  Armature initial positive pressure for experiments

    图  7  开环控制与闭环控制速度对比图

    Figure  7.  Muzzle velocity comparison between open-loop control and closed-loop control

    表  1  实验结果

    Table  1.   Results of experiments

    initial positive
    pressure/kN
    test situationrail length/mcharging voltage/kVtrigger time of the first
    group of modules/μs
    trigger time of the second
    group of modules/ms
    1.0open loop control21.502.3
    1.5open loop control21.502.3
    1.5closed loop control21.50calculated Ttrig
    下载: 导出CSV

    表  2  开环控制与闭环控制速度误差表

    Table  2.   Speed error table of open-loop control and closed-loop control

    number of experimentsopen loop simulation muzzle velocity/(m·s−1simulation relative error/%closed loop simulation muzzle velocity/(m·s−1simulation relative error/%
    1 762.8 −0.188 764.5 0.042
    2 753.7 −1.407 764.6 0.054
    3 742.0 −2.975 763.8 −0.050
    4 760.2 −0.536 764.6 0.055
    5 752.4 −1.581 764.3 0.018
    6 761.5 −0.362 763.8 −0.054
    7 740.7 −3.149 763.9 −0.030
    8 745.9 −2.452 764.2 0.006
    9 757.6 −0.885 764.6 0.061
    10 739.4 −3.324 764.6 0.062
    11 751.1 −1.756 763.8 −0.046
    12 744.6 −2.627 764.7 0.063
    13 758.9 −0.710 764.6 0.061
    14 738.1 −3.498 764.2 −0.002
    15 755.9 −1.108 764.5 0.040
    16 747.2 −2.278 763.8 −0.048
    17 749.8 −1.930 764.1 −0.010
    18 743.3 −2.800 764.6 0.056
    19 756.3 −1.059 764.5 0.039
    20 748.5 −2.100 764.6 0.062
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-01-15
  • 修回日期:  2020-05-13
  • 刊出日期:  2020-06-24

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