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自动调节系统的过渡历程是评价调节品质的一个重要特性。但通信调节系统的特点是多个调节器链接,因而全系统的传递函数总是高阶多重极点。它不适宜于用常见的状态变量法来求解。 本文提出将各个极点按负幂展开,然后再按拉氏变换求解。这样避免了常微分方程数值求解中常出现的步长误差积累,积分不稳定等问题。 本文以国产比例积分式调节器作为实际举例,研究了全系统的调节过程、过调度与站数、校正网络参数的关系。理论计算结果和实测数据是一致的。
Automatically adjust the transition process of the system is an important feature of the evaluation of regulatory quality. However, the communication regulation system is characterized by multiple regulator links, and thus the system-wide transfer function is always a high order multiple pole. It is not suitable for solving with the common state variable method. In this paper, each pole is expanded by negative power and then solved by Laplace transform. This avoids the numerical step-by-step error accumulation, integral instability and other problems often encountered in the ordinary differential equations. In this paper, a domestic proportional integral regulator is taken as an example to study the whole system regulation process, the relationship between over-scheduling and station number and network parameter correction. The theoretical calculation results and the measured data are consistent.