摘要
火控计算机与数字随动系统以DSC-SDC接口方式进行瞄准全角量轴角转换时,带来一定的转换误差,从而降低了舰炮系统瞄准精度。从SDC工作原理分析,将转换接口视为一个伺服系统,利用数字式测控设备,进行仿真实验。在正弦函数信号作用下,测量经轴角转换后的信号幅值及其与源信号的相位差,绘制出频率特性曲线。通过斜坡函数作用下转换接口稳态误差计算与实测,提出了误差修正的方法。仿真实验和分析结果,为制式舰炮改造过程中,消除转换接口误差,提高舰炮系统精度提供参考。
When fire control computer and digital servo system use DSC-SDC interface to carry out conversion of collimation SBC case axis-angle, the conversion will bring about conversion error and reduce naval gun system＇s collimation precision. From the point of view of the principle analysis of the SDC, and taking the conversion interface as a servo system, simulation experiment was performed with the help of digital measurement and control equipment. Under the action of sine function signal, signal amplitude and phase difference between the signal and source signal after axis-angle conversion were measured to draw up the frequency characteristic curve. The error correction method was put forward by use of calculation and real-time test of conversion interface steady status error under the action of incline function. The simulation experiment and analysis results can provide reference for eliminating conversion interface error and promoting naval gun system precision in the process of standard naval gun improvement.
出处
《火炮发射与控制学报》
北大核心
2009年第1期39-42,共4页
Journal of Gun Launch & Control
关键词
自动控制技术
数字随动系统
转换接口
仿真实验
误差修正
automatic control technology
digital servo system
conversion interface
simulation experiment
error correction
