Abstract
One of the key ideas in control theory is that of viewing a complex dynamical system as an interconnection of simpler subsystems, thus deriving conclusions regarding the complete system from properties of its building blocks. Following this paradigm, and motivated by questions in molecular biology modeling, the authors have recently developed an approach based on components which are monotone systems with respect to partial orders in state and signal spaces. This paper presents a brief exposition of recent results, with an emphasis on small gain theorems for negative feedback, and the emergence of multi-stability and associated hysteresis effects under positive feedback.
Research supported in part by USAF Grant F49620-01-1-0063 and NSF Grant CCR-0206789
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Angeli, D., Sontag, E. Interconnections of Monotone Systems with Steady-State Characteristics. In: de Queiroz, M.S., Malisoff, M., Wolenski, P. (eds) Optimal Control, Stabilization and Nonsmooth Analysis. Lecture Notes in Control and Information Science, vol 301. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-39983-4_9
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DOI: https://doi.org/10.1007/978-3-540-39983-4_9
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