重庆交通大学：《交通控制理论和方法 Traffic Control Theory and Methods》研究生课程PPT教学课件_chapter2 Automatic Control

Traffic Control Theory and Methods (交通控制理论和方法) For Master Students in Transport Chongqing Jiaotong University

Traffic Control Theory and Methods (交通控制理论和方法 ) Chongqing Jiaotong University For Master Students in Transport

Chapter Two automatic Control 2.1 Introduction 2.2 General Concept of Automatic Control 2.30 pen loop control 2. 4 Closed loop control 2.5 State Space of Control System 2.6 Urban traffic control system 2.7 Some other automatic controls

Chapter Two Automatic Control 2.1 Introduction 2.2 General Concept of Automatic Control 2.3 Open loop control 2.4 Closed loop control 2.5 State Space of Control System 2.6 Urban traffic control system 2.7 Some other automatic controls

Chapter Two automatic Control 2. 1 Introduction An example of stove 烘炉 热 电偶 ● Simple stove 工件工件 ● Its operation ● Advantage Disadvantage 煤气 混合器 空气

An example of stove ⚫ Simple stove ⚫ Its operation ⚫ Advantage ⚫ Disadvantage Chapter Two Automatic Control 2.1 Introduction

Chapter Two automatic Control 2.1 Introduction An example of stove 热电偶 一工件]正件 ● Automatic stove ● Its operation 葆气 混合器 Advantage ● Disadvantage

Chapter Two Automatic Control An example of stove ⚫ Automatic stove ⚫ Its operation ⚫ Advantage ⚫ Disadvantage 2.1 Introduction

Chapter Two automatic Control 2.2 General Concept of automatic Control a. Automatic control technology and application Automatic control technology have applied in more and more areas. So called automatic control is that an objective(machine equipment, process) can automatically operating according some rules without interrupted by people In recent years, with the development and applications of computer automatic control technology has become more and more important in lot of fields, specially in space, missile, industry process control system etc

2.2 General Concept of Automatic Control a. Automatic control technology and application Automatic control technology have applied in more and more areas. So called automatic control is that an objective (machine, equipment, process) can automatically operating according some rules without interrupted by people. In recent years, with the development and applications of computer, automatic control technology has become more and more important in lot of fields, specially in space, missile, industry process control system etc.. Chapter Two Automatic Control

Chapter Two automatic Control b. Automatic control principle At beginning, it is come from the self-adjustment principle based on the feedback, and mainly used in industry process control. During the second world war, it is widely used in military, like radar. After the second world war, it has improved into the typical automatic control theory based on the transfer function, mainly in Si/So liner system After 1960s. with development of computer science and technology, automatic control theory comes into modern control theory with state space and optimal control

b. Automatic control principle At beginning, it is come from the self-adjustment principle based on the feedback, and mainly used in industry process control. During the second world war, it is widely used in military, like radar. After the second world war, it has improved into the typical automatic control theory based on the transfer function, mainly in SI/SO liner system. After 1960s, with development of computer science and technology, automatic control theory comes into modern control theory with state space and optimal control. Chapter Two Automatic Control

Chapter Two automatic Control C. Basic concept of automatic control Automatic control is based on the feedback concept Actually, every people is using feedback in his daily Can any student show some other examples of automatic control?

c. Basic concept of automatic control Automatic control is based on the feedback concept. Actually, every people is using feedback in his daily life. Chapter Two Automatic Control Can any student show some other examples of automatic control?

Chapter Two automatic Control 23. Open Loop Control Open loop control is a very simple control mode, in which there is no any feedback function between controller and controlled objective, ie, control is not affected by output. As it is shown in the figure input control output controller objective Open Loop Control System

2.3. Open Loop Control Open loop control is a very simple control mode, in which there is no any feedback function between controller and controlled objective, ie, control is not affected by output. As it is shown in the Figure. input control output controller objective Open Loop Control System Chapter Two Automatic Control

Chapter Two automatic Control 23. Open Loop Control Input control output controller objective Please a student show some examples of open loop control, and the advantages and disadvantages of each example

2.3. Open Loop Control Please a student show some examples of open loop control, and the advantages and disadvantages of each example. input control output controller objective Chapter Two Automatic Control

Chapter Two automatic Control 2. 4 Closed loop control In closed loop control, there is a feedback function from the output of objective to the controller Input Differencl Controller Actions Output 被控对象 Me easures Closed loop control system

2.4 Closed loop control In closed loop control, there is a feedback function from the output of objective to the controller Input Difference Actions Controller Measures 被控对象 Output _ Closed loop control system Chapter Two Automatic Control