线性控制系统的类型  

Types of Linear Control Systems

作　　者：黄团华[1] 邢建萍[1] 马媛[1] 王春芳[1] 

机构地区：[1]中国科学院近代物理研究所

出　　处：《江苏电器》2004年第5期17-19,共3页

摘　　要：虽然在《自动控制原理》上根据稳态误差和瞬态响应讨论了线性控制系统的类型,但是还有不少工程上常用的概念没有被提及。作者根据工作经验,提出了根据闭环传递函数判断控制系统的稳态性能是O型、Ⅰ型、Ⅱ型还是Ⅲ型的方法;指出了O型和Ⅰ型控制系统是互为比例关系、以及Ⅱ型和Ⅲ型控制系统的实现困难;并且根据阶跃响应曲线,或者方波响应波形,写出了被测系统的传递函数。这些经验和方法对于分析和设计控制系统非常有用。Although the types of systems are discussed by the performance of steady-state error and transient response on all the textbook of control theory, there are some useful conceptions not to be concerned. According to engineering experience, some new ideas are presented, thus as: the type 0, type 1, type 2 and type 3 may be told by the close-loop transfer function of a system; a type 0 system is equal to a type 1 system with a ratio; type 2 or type 3 system is not easy to be realized in engineering; a transfer function of a system can be written by observing its step response on an oscilloscope. All of them are useful in analyzing and designing a control system.

关 键 词：线性控制系统 稳态误差 自动控制原理 阶跃响应 稳态性能 传递函数 曲线 类型 比例关系 工作经验 

分 类 号：TP273.5[自动化与计算机技术—检测技术与自动化装置]