自动控制原理 西南交通大学电气工程学院 朱英华 (Catherine) The Principle of Automatic Control
《自动控制原理》 复习 Summary of Chapter 1 Phases in control theory development 『』 Classical control phase Modern control phase Three main methods in classical control theory 『』 Time domain analysis Frequency domain analysis Root locus analysis
《自动控制原理》 复习 The analytic method in modern control theory 『』 State space method Two important concepts 『』 Control system Automatic control system Configuration of an automatic control system 『』 Reference input DisturbanceComparisonControllerProcess OutputMeasurement device
《自动控制原理》 复习 Two basic control modes 『』 Open-loop control Three respects in control system analysis 『』 Stability The design process of a control system 『』 Closed-loop control Accuracy Rapidness
《自动控制原理》 复习 Summary of Chapter 2 Three I/O models 『』 Differential equations Transfer functions Frequency characteristics Block diagram model and its reduction 『』 Signal-flow graph models and Mason’s loop rule
《自动控制原理》 复习 State space models 『』 Transformation between transfer functions and state space models 『』 Simulation by using Matlab Examples for establishing mathematical models 『』
《自动控制原理》 复习 Summary of Chapter 3 Transient response analyzing 『』 Typical test inputs Performance of a second-order system, performance indices and evaluation The concept of dominant poles Effects of a zero and a third pole on the second-order system response
《自动控制原理》 复习 Steady-state analyzing 『』 Steady-state error evaluation The concept of steady-state error 『』 Simulation using Matlab Stability analyzing 『』 The concept of stability and how to ascertain the stability of a LTI system The Routh criterion
《自动控制原理》 复习 Summary of Chapter 4 Root locus and root locus equations 『』 The concept of root locus The relationship between performance and roots location The magnitude criterion and angle criterion of root locus Root locus procedure 『』 Ten steps
《自动控制原理》 复习 Calculate asymptotes Calculate breakaway points
《自动控制原理》 复习 Calculate angles of departure (complex poles) and angles of arrival (complex zeros)
《自动控制原理》 复习 Generalized root locus 『』 Zero-degree root locus Parameter root locus 『』 Simulation using Matlab
《自动控制原理》 复习 Summary of Chapter 5 Frequency response and frequency characteristic 『』 The concept of frequency response The concept of frequency characteristic Polar plot and Bode plot 『』 How to sketch the plots? Bode plots of some basic factors
《自动控制原理》 复习 Mapping theorem 『』 Nyquist stability criterion 『』 The number of open-loop poles in the right-hand s-plane The number of clockwise encirclements of the (-1,j0) point The number of closed- loop poles in the right- hand s-plane
《自动控制原理》 复习 Minimum phase system 『』 Gain margin Phase margin 『』 Simulation using Matlab Stability margins 『』 What is a minimum phase system? Frequency for magnitude=1 (0 dB) Frequency for phase=-180 °
《自动控制原理》 复习 Summary of Chapter 6 How to select compensation method 『』 Cascade phase-lead compensation method Frequency compensation method Root locus compensation method Cascade phase-lag compensation method Cascade phase-lag-lead compensation method
《自动控制原理》 复习 How to design cascade compensator 『』 Cascade phase-lead compensator Cascade phase-lag compensator Cascade phase-lag-lead compensator
《自动控制原理》 复习 Summary of Chapter 7 The definition of Describing function 『』 The definition of Reciprocal of negative describing function describing function 『』 How to analyze the stability of the nonlinear system 『』 How to analyze the oscillation of the nonlinear system 『』