1、 电子信息科学与技术 专 业 主 干 课 程 简 介 (Major Course Descriptions for Electronic Information Science To master the concept, definition, and features of transfer function as well as its solution in a system; to be able to do equivalent transfer of structure charts and get transfer function of a system by using M
2、ason formula; To master the concept of stability and its necessary and sufficient conditions, the concept of steady state error, the solution of the coefficient of static receiver errors, and the restrictions of their application; to skillfully use algebra stabilization criteria to decide on the sys
3、tem stability, possess the common computation methods of steady state errors, learn the characteristic parameters of first- and second-order systems, know about the computation of the underdamping dynamic performance of first- and second- order systems, and enhance the understanding of the character
4、istic parameters of typical underdamping systems and the relationship between pole position and dynamic performance; To master the root locus method and be able to draft root locus of a system skillfully; To learn the Nyquist wave drawing, Bode map drawing, stability analysis and dynamic performance
5、 analysis; To get the general understanding of the indexes of closed-loop frequency properties and their corresponding experimental data, and the decision of transfer function of Bode map; To master the design of cascade compensation (including frequency design and root locus design), and know about
6、 the frequency characteristics of correction system network and their functions as well as the right selection of correction network. 3. Topics construction of control system; negative feedback control principles; categorization of control system; fundamental requirements of control system Assessmen
7、t: the correct understanding and mastery of negative feedback control principles; the general knowledge of the construction and categorization of control system; the competence of deciding on the controlled object, the controlled variable, and the given variable; the mastery of the method of draftin
8、g a block diagram for a system according to its working principles (2) Mathematical Models of Control System Key points: the methods of establishing differential equations for a system; the solution of differential equations based on Laplace transform; the relation between transfer functions and dif
9、ferential equations; the solution of transfer functions based on Mason formula Assessment: the general knowledge of common methods of establishing differential equations for a system; the mastery of the methods of solving differential equations based on Laplace transform; the good understanding of t
10、he concept, definition, and features of transfer functions; the knowledge of the relation between transfer functions and differential equations; the competence of doing equivalent transfer of structural charts; the knowledge of the relation between structural charts and signal flow diagrams; the com
11、petence of using Mason formula to solve transfer functions of a system; the mastery of solving transfer functions with different approaches (3) Time-Domain Analysis Key points: the basic requirements of stability criteria; the basic requirements of steady state errors; the basic requirements of dyna
12、mic performance computation Assessment: About stability criterion: the understanding of the concept of system stability and its necessary and sufficient conditions; the use of algebra stability to decide on system stability and the mastery of some relevant computations About steady state errors: the
13、 understanding of the concept of steady state errors; the knowledge of restrictions of applying terminal value principles; the mastery of the common methods of computing steady state errors; the mastery of static error coefficients and the restrictions of their applications About dynamic performance
14、 computation: the mastery of characteristic parameters of first- and second-order systems; the mastery of the computation of the underdamping dynamic performance of first- and second- order systems and the restrictions of their applications; the knowledge of the characteristic parameters of typical
15、underdamping systems, and the relationship between pole position and dynamic performance; the understanding of the influence of additional closed loop zero on dynamic performance; the understanding of the concept of dominant pole; the competence of evaluating the dynamic performance of a higher leve
16、l system (4) Root-Locus Techniques Key points: the drafting techniques of root-locus of a system; the qualitative analysis of the change of system performance according to parameters by means of the root-locus; the decision of closed loop zero; the computation of the dynamic performance indexes of a
17、 system Assessment: the understanding of the concept of root-locus; the mastery of the drafting principles of root-locus and the skillful drafting techniques of root-locus of a system; the competence of deciding on the change of system performance according to parameters by means of the root-locus;
18、the decision of closed loop zero, and the mastery of the computation methods of the dynamic performance indexes of a system (5) Frequency Response Technique Key points: the steady state response of frequency-characteristic analysis system; the computation of dynamic error coefficients of a system; t
19、he Bode map drawing and the Nyquist wave drawing; stability criteria; the computation of phase margin and phase angle margin; the basic knowledge of closed-loop frequency characteristics and relevant indexes; the decision on transfer functions based on experimental data, and the acquisition of trans
20、fer functions of a system with a Bode map Assessment: the mastery of analyzing the steady state response of a system with frequency characteristics; the decision on the dynamic error coefficients of a system; the competence of drawing a Nyquist wave and a Bode map; the mastery of stability criteria;
21、 the mastery of the computation of phase angle margin and magnitude margin; the basic knowledge of closed-loop frequency characteristics and their relevant indexes; the approximate computation of system parameters; the decision on transfer functions based on experimental data; the acquisition of tra
22、nsfer functions of a system with a Bode map (6) Design and Calibration of Control Systems Key points: the frequency characteristics of correction network and its functions; the selection of correction network; the design of cascade compensation, including frequency design and root locus design; the
23、design of feedback compensation and recombination compensation Assessment: the mastery of the frequency characteristics of correction network and its functions; the right choice of correction network; the good mastery of the design of cascade compensation, including frequency design and root locus d
24、esign; the mastery of the design of feedback compensation and recombination compensation 4. Relation with Other Courses (1) Prerequisite Courses Circuit Analysis, Analog Electronic Circuit, Digital Signal Processing, Signals & Systems (2) Follow-up Courses Computer Control Principles (3) Some notes
25、Optional topic: Laplace transform Follow-up elective course: Modern Control Theories 5. Textbooks (1) Recommended Textbook Title: Automatic Control Principle Author: XUE Anke, et al. Publisher: Xidian University Press (2) References 1 YANG Gengchen et al. Automatic Control Principle. Xidian Universi
26、ty Press. 2 SHI Zhongke. Automatic Control Principle. Northwestern Polytechnic University Press. 6. Teaching Plan General Introduction: Complementary to Mathematics (3 hours) Chapter One Basic Concepts of Automatic Control (2 hours) Chapter Two Mathematical Models of Control System (8 hours) Chapter Three Time-Domain Analysis (10 hours) Practice (2 hours) Chapter Four Root-Locus Techniques (7 hours) Chapter Five Frequency Response Techniques (11 hours) Practice (2 hours) Chapter Six Design and Calibration of Control Systems (7 hours)
