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大型飞行器控制系统中使用的时序系统,过去是以机械程序配电器为核心的一套电路系统。随着数字式飞行控制系统技术的发展,数字化时序系统已应用于飞行器控制系统中。数字化时序系统是在弹载计算机控制下进行工作的,有效路数32路,最大路容15A,时间误差小于±1ms。采取故障预示电路,电爆管奇偶分组连接,选取限流电阻和缩短电爆加电时间等措施保证可靠性。经试验证明数字化时序系统代替模拟量时序系统是完全可行的。
Timing systems used in large aircraft control systems used to be a system of circuits centered around mechanical program dispensers. With the development of digital flight control system technology, digital timing system has been applied in aircraft control system. Digital timing system is carried out under the control of the onboard computer, the effective number of road 32, the maximum capacity of 15A, the time error of less than ± 1ms. To take fault prediction circuit, electrical burst Parity group connection, select the current limiting resistor and shorten the power explosion time and other measures to ensure reliability. The experiment proved that digital timing system instead of analog timing system is completely feasible.