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Course Syllabus

1. Course Name: 
Feedback Control  
2. Course Hours and Credits: 
48 hours and 3 credits 
  
3. Target Students: 
Suitable for students ready for bachelor degree 
Suitable for students majoring in Machinery manufacturing and automation,    
4.  Department: 
 Department of mechanical engineering, Chongqing University

5. Objectives: 
The purpose of teaching is enable the students to look at mechanical engineering system from a dynamic point of view rather than a static one. It is especially important to train students to analyze the dynamic behavior of the system from the point of view of information transmission, conversion and feedback in the whole system. Concretely speaking, the students should be able to analyze and solve the problems by using the basic methods of control theory in combination with the practical application of control theory

  1. Main contents:

This course includes the establishment of the mathematical model of control system, the analysis method of time domain and frequency domain characteristics, the concept of system stability and the stability of several criteriaThe first chapter mainly introduces the control theory of mechanical engineering; the second chapter mainly introduces the method of establishing suitable for single input single output linear time invariant dynamic characteristics of the system description of the transfer function of the concept and mathematical model; the third chapter mainly introduces how to use the description of a system of differential equations or transfer function, changes of output analysis system with time thus, to determine the performance of the system; the fourth chapter mainly introduces the concept of frequency characteristic, frequency characteristic and frequency characteristic of drawing system focuses on typical links of the polar map and log map, and how to use the frequency characteristic analysis of the performance of the closed-loop system; the fifth chapter mainly introduces the method to determine whether the system is stable and the stability degree index evaluation system.

§1. Introduction

  1. Basic concepts of control systems

  2. Control system examples

  3. Basic requirements of a control system

§2. Modelling of Physical Systems and Transfer Function

  1. Laplace transform

  2. Differential equation for dynamic systems and its linearization

  3. Transfer function of components, typical factors

  4. Block diagram and its reduction 

§3. System Time Response

  1. Basic concepts of time-domain analysis and design, typical input responses and specifications;

  2. Time-response and dynamic performance of first-order systems;

  3. Time-response and dynamic performance of second-order systems

  4. Stability analysis for linear systems

  5. Steady-state error of linear systems; Feedback and composite compensation of linear systems

§4. Frequency response and frequency characteristics;

  1. Nyquist plot and Bode diagram for basic factors

  2. Nyquist plot for open-loop systems

  3. Bode diagram for b open-loop systems

  4. Nyquist stability criterion, log stability criterion

  5. Relative stability

  6. Concept of tri-frequency-section 

§5.Practical Teaching Contents: 
(1) Experiments for time response analysis 
(2) Experiments for frequency response analysis 
  
7. Hours Distribution:

Chapter

1

2

3

4

5

Academic hours

4

8

8

12

16


8. Testing: 
Seminar and workshop (30%) + final paper (including Presentation) (70%)


 
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重庆大学机械工程学院 | College of Mechanical Engineering ChongQing University  地址:重庆市沙坪坝区沙正街174号
因机械工程学院(A区第7教学大楼)整体维修改造,施工期大约一年。
学院行政办公地点临时搬迁至A区机械传动重点实验室后直行50米处
(机械学院制造研究所一楼)。
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