6.302 | Spring 2007 | Graduate

Feedback Systems


The calendar below provides information on the course’s lecture (L) and recitation (R) sessions.

L1 Course introduction, history and advantages of feedback

R1 Closed loop vs. open loop systems Problem set 1 out
L2 Desensitivity, linearization via feedback

R2 Block diagrams and physical modeling

L3 Modeling and linearization of systems

R3 Block diagrams (cont.)

Problem set 1 due

Problem set 2 out

L4 First and second-order systems

R4 Complex variables and the s-plane Prelab 1A out
L5 Steady state errors

L6 Introduction to stability

R5 Op-amp circuits and analog computers

Problem set 2 due

Problem set 3 out

L7 Evan’s root locus method and the root locus rules Prelab 1B out
R6 Steady-state errors

Problem set 3 due

Problem set 4 out

L8 The inverted pendulum system

R7 Root locus

L9 Introduction to the Nyquist criterion

R8 Root locus (cont.)

Problem set 4 due

Problem set 5 out

L10 Examples of the Nyquist criterion

R9 Introduction to the Nyquist criterion

Problem set 5 due

Problem set 6 out

Quiz 1

R10 Nyquist stability Problem set 7 out
L11 Degree of stability and gain setting: Hall and Nichols charts Problem set 6 due
R11 Phase-locked loops Prelab 1C out
L12 Bode diagrams, gain margin and phase margin

R12 Phase-locked loops II

Problem set 7 due

Problem set 8 out

L13 Open-loop performance specifications and the Bode Obstacle Course Prelab 1D out
R13 Our analytical toolbox

L14 Compensation: motivation and goals

R14 Bode obstacle course

Problem set 8 due

Problem set 9 out

L15 Series compensation: lead and lag networks

R15 More Bode obstacle course and compensation

L16 Operational amplifier compensation examples

R16 Compensation Problem set 9 due

Quiz 2

L17 Introduction to minor-loop compensation

L18 More minor-loop external op-amp compensation Problem set 10 out
R17 Black’s formula revisited and lead compensation

L19 Op-amp internal compensation examples

R18 Minor loop feedback Problem set 10 due
L20 Dealing with lightly damped quadratics

R19 Minor loop in an op-amp

L21 Non-linear systems and describing functions

R20 Minor loop in an op-amp (cont.)

L22 Oscillators and describing functions

R21 Block diagrams from circuits

R22 Return ratio

L23 Conditional stability and non-linear compensation

R23 Time delays

L24 Special guest lecture

R24 Describing functions Design problem due
R25 Feedback systems

R26 Final recitation and review

Final Exam

Course Info

Learning Resource Types
Problem Sets