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在机电模拟式指挥仪中通常借助于小功率随动系统完成公式系中联立方程的求解以获取输出诸元,担负这种任务的系统通称为解算随动系统(下简称系统)。它除应满足给定的品质指标外还要反映公式系所提出的条件。在图1所示求取方位角γ的原理图中,X、y为目标现在点水平座标,V_X、V_y为微分平滑后求得之目标沿X、y轴的水平速度分量,t_f为弹丸飞行时间。提前量V_x·t_f 和V_y·t_f通过运算放大器X_q、y_q与X、y相加后由正余弦旋转变压器XZ—γ进行向量合成,然后正弦绕组给出求取γ的误差讯号d_q·δγ,余弦绕组给出的水平斜距离d可兼做自动增益控制讯号。通过系统解算消除误差(即使d_ч·δγ为零)得到γ值并向XZ——γ闭环。
In the electromechanical analog commander usually solve the simultaneous equations in the formula system by means of a low-power servo system to obtain the output variables. The system responsible for such task is generally called the solution follow-up system (hereinafter referred to as the system). It should not only meet the given quality indicators but also reflect the conditions proposed by the formula system. In the schematic diagram of obtaining the azimuth γ shown in FIG. 1, X and Y are the horizontal coordinates of the current point of the target, V_X and V_y are the horizontal velocity components of the target along the X and Y axes obtained by differential smoothing, and t_f is the projectile flight duration. The advance quantities V_x · t_f and V_y · t_f are summed by the cosine resolver XZ-γ through the addition of the operational amplifiers X_q, y_q and X, y, then the sine winding gives the error signal d_q · δγ for obtaining γ, the cosine Winding horizontal distance d can be given as automatic gain control signal. Eliminate the error by solving the system (even if d_ч · δγ is zero) to get the γ value and close the loop to XZ - γ.