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eess.SY2026
Analysis of Dynamic-Key LWE-Based Encrypted Control Systems for Asymptotic Stability and Numerical Safety
Jungjin Park, Kiminao Kogiso
This study analyzes dynamic-key Learning-with-Errors (LWE)-based encrypted state-feedback control systems with time-varying encoders and decoders. Using a Lyapunov-based approach,…
eess.SY2026
Dynamic-Key Post-Quantum Encrypted Control Against System Identification Attacks
Jungjin Park, Kiminao Kogiso
This study proposes post-quantum encrypted control systems based on dynamic-key Learning with Errors (LWE) encryption schemes. The proposed method develops update maps that simulta…
eess.SY2025
Quantization and Security Parameter Design for Overflow-Free Confidential FRIT
Jungjin Park, Osamu Kaneko, Kiminao Kogiso
This study proposes a systematic design procedure for determining the quantization gain and the security parameter in the Confidential Fictitious Reference Iterative Tuning (CFRIT)…