Numbering Code	U-ENG26 36026 LJ72	Year/Term	2022 ・ First semester
Number of Credits	2	Course Type	Lecture
Target Year		Target Student
Language	Japanese	Day/Period	Tue.1
Instructor name	HAGIWARA TOMOMICHI (Graduate School of Engineering Professor) HOSOE YOUHEI (Graduate School of Engineering Senior Lecturer)
Outline and Purpose of the Course	This course covers a basic theory of feedback control for linear continuous-time systems in the frequency domain. The fundamentals of control systems are lectured on through such concepts as the Laplace transformation, transfer functions, block diagrams, transient responses, frequency responses, and stability criteria. The course proceeds in parallel to the contents of Chapters 1 through 4 and the former half of Chapter 5 of the textbook. The stress of the lecture, however, is placed on the theoretical framework, the basic concepts, and their interrelations. Hence some topics are left to the spontaneous studies of the class members, who are also supposed to work on assignments to have better understanding.
Course Goals	To understand the basic treatment of linear feedback systems in the frequency domain, particularly the Laplace transformation and its role, the transient responses, stability and performance evaluation of feedback systems, frequency responses, as well as their relations.
Schedule and Contents	Feedback systems and the Laplace transformation (4--5 weeks) Fundamental notions for feedback systems; history and roles of control technologies; the Laplace transformation as a key tool for dealing with feedback control systems, and transfer functions. Block diagrams and feedback control systems (3--4 weeks) Block diagrams and their equivalent transformations; the performance of feedback control systems and its evaluation; basic properties of feedback control systems and their roles observed through the analysis of step responses of simple examples. Transient responses and stability of systems (1--2 weeks) Transient responses of systems and algebraic stability criteria of feedback systems. Frequency responses (4--5 weeks) Frequency responses and their representation such as the vector loci and the Bode diagrams; manipulations of Bode diagrams; the Nyquist stability criterion, and stability margins. Checking degrees of understanding of all the lecture topics, e.g., through comments on the exam, closes the class.
Evaluation Methods and Policy	The assignments are only for motivating review; the grading will be based on the exam.
Course Requirements	Theory of functions in complex variables, as well as basic understanding about complex numbers.
Study outside of Class (preparation and review)	Reviewing the topics in the preceding part of the lecture is always important before attending the class. Receive exercise problems by attending the class upon the beginning of the class, and submit the answer reports to receive marking and comments by TA.
Textbooks	Textbooks/References	古典制御理論[基礎編], 荒木光彦, (培風館), ISBN:4563069019
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