自激振荡线性化舵机延迟补偿时间处理方法研究

针对某单通道控制炮射导弹所采用的自激振荡线性化舵机，给出了一种有效的舵机延迟补偿时间处理方法。自激振荡线性化舵机的高频振荡特性使得对其延迟时间的测量和处理相当困难，为解决此问题提出采用弹体滤波去除舵机高频振荡所造成的不确定性，并由导弹法向加速度延迟确定舵机延迟补偿时间的方法。数据处理结果表明，采用所提出的方法能够有效地确定自激振荡线性化舵机的延迟补偿时间。还从舵机延迟补偿难易的角度对比了调幅方波和调幅正弦波两种舵机指令形式的优劣，得到了自激振荡线性化舵机对正弦波指令的响应特性优于方波指令的结论。

Research on the Method to Deal with Delay Compensation Time of Self-Oscillation Linear Actuator

An effective method was proposed to deal with delay compensation time of self-oscillation linear actuator for a gun launched missile controlled with single channel. High frequency self-oscillation peculiarity of the actuator makes it rather difficult to measure and analyze the delay time of the actua?tor. To resolve this problem, it was proposed to use filter constructed based on missile dynamics to e- liminate the uncertainty brought by the nign frequency oscillation of the actuator, and to determine the delay compensation time of the actuator according to the delay of the missile normal acceleration. Data processing results show that by use of the method the delay compensation time of the self-oscillation linear actuator can be determined validly. A contrast between the amplitude-modulated rectangle wave order and sine wave order was made also in the point of view of whether it is convenient to compensate the delay time, and a conclusion that the self-oscillation linear actuator's response to the sine wave or?der is better than that to the rectangle wave order was offered.