Dawson J. A Guide to Feedback Theory 2021

Textbook in PDF format

Understand feedback with this accessible, concise, and informal guide. Perfect for students, especially those who need a refresher, as well as practising engineers.
Do you need to understand feedback? Perhaps you're a little rusty on theory basics? Dig in to this self-contained guide for an accessible and concise explanation of the fundamentals. Distills the relevant essence of linear system theory, calculus, differential equations, linear algebra, basic physics, numerical methods, and complex analysis, and links them back to an explanation of feedback theory. Provides a tight synthesis of analytical and conceptual understanding. Maintains a focus on common use cases. Whether you are a struggling undergraduate, a doctoral student preparing for your qualifying exams, or an industry practitioner, this easy-to-understand book invites you to relax, enjoy the material, and follow your curiosity.
Linear Systems: What You Missed the First Time
The Basics of Feedback
The Nyquist Stability Criterion
Some Common Loose Ends
Feedback in the Real World
Conclusion and Further Reading