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为交－交变频同步电动机矢量控制研制出一种全数字化控制系统。用可读性好、可靠性高的ＰＬ／Ｍ高级语言编程，完成了大量的矢量变换运算；１片８０８９主机与４片８０８９从机协调工作，实现了电流跟踪。
For AC - AC variable frequency vector control developed a digital control system. With a good readability, high reliability PL / M high-level language programming, completed a large number of vector conversion operations; 1 8089 host and 4 8089 slave coordination work to achieve the current tracking.