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Quasi-Linearization Design of Nonlinear Feedback Control Systems

机译：非线性反馈控制系统的准线性化设计

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摘要

This paper describes an application of the quasi-linearization principle and the use of off-line analog computers for the design of nonlinear feedback control systems. The design objective is to make the feedback system meet a set of transient as well as steady-state specifications under deterministic system inputs. According to the given specifications, the desired input to the nonlinear element is established. With the aid of an analog computer, the nonlinear element is tested by its desired input. Based on the test result, the nonlinear element is replaced by an equivalent linear element which has approximately the same input-output relationship as the nonlinear element. Linear system design techniques are then used to design the quasi-linearized systems, such that the actual input to the nonlinear element is indeed as desired. High-order feedback control systems in which the major nonlinearity, arises from the preamplifier and/or the error-measuring device are particularly amenable to this approach.
机译：本文描述了准线性化原理的应用以及离线模拟计算机在非线性反馈控制系统设计中的应用。设计目标是使反馈系统在确定的系统输入下满足一组瞬态和稳态规范。根据给定的规范，建立了到非线性元件的所需输入。在模拟计算机的帮助下，非线性元件通过其所需的输入进行测试。根据测试结果，将非线性元件替换为等效线性元件，该等效线性元件具有与非线性元件大致相同的输入-输出关系。然后，使用线性系统设计技术来设计准线性化系统，以使非线性元件的实际输入确实是所希望的。其中主要由前置放大器和/或误差测量装置引起的非线性的高阶反馈控制系统特别适合这种方法。

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