https://blog.naver.com/PostView.naver?blogId=sanggyun23&logNo=222253743828
카테고리
https://blog.naver.com/PostView.naver?blogId=sanggyun23&logNo=222253743828
Time delay된 Nyquist Plot https://nate9389.tistory.com/1934 https://electronics.stackexchange.com/questions/340566/how-to-determine-the-critical-delay-for-a-closed-loop-system
Open Loop Transfer Function Pole이 원점을 지나는 경우 Gain Margin 구하는 방법 예제
S: sensitivity, T: transfer function의 변화량, G: gain
https://lpsa.swarthmore.edu/Representations/SysRepTransformations/TF2SS.html Feedback control of Dynamic Systems의 7.5.2 Introducing the Reference Input with Full-State Feedback 여기 참조 C matrix는 X에 tau와 t에 대하여 상수로 취급.