For digitized AC servo system, it needs software to support it's closed-loop control. Its control quality is decided by the program of control computation directly.
数字化的交流伺服系统是靠软件完成控制计算来支持闭环控制的，它的控制计算程序直接决定了系统的控制质量。
This article introduced the numerical control piano keyboard machine discussed, PLC servo system working principle, design of hardware and software of the whole system.
介绍了数控钢琴键盘加工机中的P LC和伺服系统的工作原理及整个系统的硬件和软件的设计。
In the view of the control system, the paper discuss hardware architecture, software architecture, interface architecture, data communication, and servo control system.
文章从系统角度讨论了卷簧机数控系统的硬、软件构成，界面结构，数据通讯及伺服控制。
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