collaborators

5 papers

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.SY2023

Secure Motion-Copying via Homomorphic Encryption

Haruki Takanashi, Kaoru Teranishi, Kiminao Kogiso

This study aims to develop an encrypted motion-copying system using homomorphic encryption for secure motion preservation and reproduction. A novel concept of encrypted motion-copy…

eess.SY2023

Encrypted Simultaneous Control of Joint Angle and Stiffness of Antagonistic Pneumatic Artificial Muscle Actuator by Polynomial Approximation

Yuta Takeda, Takaya Shin, Kaoru Teranishi +1

This study proposes an encrypted simultaneous control system for an antagonistic pneumatic artificial muscle (PAM) actuator toward developing a cybersecure and flexible actuator. F…

eess.SY2023

Optimal Security Parameter for Encrypted Control Systems Against Eavesdropper and Malicious Server

Kaoru Teranishi, Kiminao Kogiso

A sample identifying complexity and a sample deciphering time have been introduced in a previous study to capture an estimation error and a computation time of system identificatio…

eess.SY2023

Cyber-Secure Teleoperation With Encrypted Four-Channel Bilateral Control

Haruki Takanashi, Akane Kosugi, Kaoru Teranishi +3

This study developed an encrypted four-channel bilateral control system that enables posture synchronization and force feedback for leader and follower robot arms. The encrypted bi…