8 - State feedback.
Lecture video:
Lecture notes: Chapter 8 in the lecture notes (swe Download swe,eng Download eng)
Note that the videos use the old notation where L is used to denote the state feedback gain vector instead of K that we use now. The same issue occurs if you use an older exams or older versions of the lecture notes (before 2021).
Extra material (from 2024):
Calculations demonstrating controllability of a cart with two pendula: controllability.pdf
A controller that does the job: