This video discusses the need for full-state estimation. In particular, if we want to use full-state feedback (e.g., LQR), but only have limited measurements of the system, it is necessary to estimate the full state.
These lectures follow Chapter 8 from:
"Data-Driven Science and Engineering: Machine Learning, Dynamical Systems, and Control" by Brunton and Kutz
Amazon: https://www.amazon.com/Data-Driven-Science-Engineering-Learning-Dynamical/dp/1108422098
Chapters available at: http://databookuw.com/databook.pdf
Book Website: http://databookuw.com
Brunton Website: eigensteve.com
This video was produced at the University of Washington