The requirement of real time is very high, all control tasks ; ire classified into relatively independent subprogramme by executive frequency and function to time-sharing execute. In this way, dynamic characteristic and accuracy of system are raised.

• 发动机抓‘制刊-实时性要求很高，将发动机的所有控制任务，按照任务的功能、执行频率、实时性划丫分为相对独立的子程序，按照实时性要求，分时执行。这样可以有效提高系统的动态特性和控制精度。