ABSTRACT
This paper presents a theoretical framework for characterizing electro-thermal stability regions in systems with passivity index uncertainty, introducing the Electro-Thermal Passivity Index (ETPI) and robust stability conditions.
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Key findings
Unified modeling framework using port-Hamiltonian representation captures energy flow.
ETPI quantifies energy dissipation properties of coupled electro-thermal systems.
Stability regions characterized in passivity index space with explicit bounds and convex approximations.
Robust stability conditions established under structured uncertainty in passivity indices.
Limitations & open questions
Further empirical validation required for practical system applications.