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DY: Fachverband Dynamik und Statistische Physik

DY 10: Nonlinear Dynamics, Synchronization and Chaos

DY 10.2: Talk

Monday, March 18, 2024, 15:15–15:30, BH-N 128

Artificial homeostatic temperature regulation via bio-inspired feedback mechanismsPetro Feketa1, Tom Birkoben2, •Maximiliane Noll2, Alexander Schaum3, Thomas Meurer4, and Hermann Kohlstedt2,51School of Mathematics and Statistics, Victoria University of Wellington, New Zealand — 2Chair for Nanoelectronics, Kiel University, Germany — 3Chair for Process Analytics, University Hohenheim, Stuttgart, Germany — 4Digital Process Engineering Group, Institute for Mechanical Process Eng. and Mechanics, Karlsruhe Institute of Technology, Germany — 5Kiel NanoSurface and Interface Science KiNSIS, Kiel University, Germany

Homeostasis enables living organisms to maintain robust functioning by adapting to a changing environment. An instance of homeostatic behavior is the thermoregulation in mammals where a stable internal temperature is kept. In this work we present an electronic realization of a temperature regulation based on a single-effector regulation system. The electronic system contains two thermosensitive neurons, a summation unit processing the spikes and a feedback loop which leads to heating or cooling of the neurons via a Peltier element. The spiking trains of thermosensitive neurons can be processed to stabilize an a priori unknown system-inherent set-point. As important parameters for the set-point the feedback control gain and the activity patterns of the thermosensitive artificial neurons are investigated.

Keywords: homeostasis; bio-inspired; thermoregulation; relaxation-type oscillator; control system

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