The aim of this paper is to give a general quantitative requirement which the loop gain must satisfy in order to stabilize a given unstable (possibly nonlinear and time-varying) plant, namely that the gain must exceed one.
Bibliographical noteFunding Information:
* Corresponding author. 1This is an expanded version of \[2\]T. his research is supported in part by NSF under grants ECS-9457485, ECS 9410531, ECS-9505995, and by AFOSR under grant F49620-96-1-0094.
- Large gain theorem
- Small gain theorem
- Stabilization of unstable systems