公开(公告)号：US12111647B2

公开(公告)日：2024-10-08

申请号：US17553951

申请日：2021-12-17

Applicant: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Yongsoon Eun ,  Juseung Lee ,  Jaeho Lee

IPC: G05B23/02 ,  G06F17/16

CPC classification number: G05B23/024 ,  G06F17/16

Abstract: Disclosed is an apparatus for estimating disturbance flowing into a control system on the basis of input/output data. The apparatus includes an input unit, and an estimator configured to, when input data (u) is provided to the control system through the input unit and thus output data is acquired, estimate the input data (u) from the acquired output data, based on a system model matrix corresponding to an input/output relation model of the control system. Accordingly, efficiency of the apparatus may be improved.

公开(公告)号：US11658765B2

公开(公告)日：2023-05-23

申请号：US15415110

申请日：2017-01-25

Applicant: Daegu Gyeongbuk Institute of Science and Technology

Inventor： Ji Woong Choi ,  Sung Min Han ,  Sung-Ho Lim ,  Chan Kuen Park ,  Kyung-Joon Park ,  Yongsoon Eun

IPC: H04K3/00

CPC classification number: H04K3/226 ,  H04K3/65

Abstract: A device and method for anti jamming using a decoy signal are provided. The device may include a processor configured to allocate, in connection with a request for transmission of information, first frequency band to information signal including the information and allocate a second frequency band to the decoy signal including fake information associated with the information, and an outputter configured to output the decoy signal and the information signal at a predetermined time interval and output the information signal through the first frequency band after an attack on the second frequency band by the jammer that inspects the decoy signal is detected.

公开(公告)号：US12015621B2

公开(公告)日：2024-06-18

申请号：US17555705

申请日：2021-12-20

Applicant: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Yechan Jeong ,  Yongsoon Eun

IPC: H04L9/40 ,  G06F17/16

CPC classification number: H04L63/1416 ,  G06F17/16 ,  H04L63/1425 ,  H04L63/145

Abstract: Disclosed are an apparatus and a method for estimating a system state. Accordingly, it is possible to perform Resilient State Estimation (RSE) that is robust to disturbance and is autonomously restored from sensor attack/failure.

公开(公告)号：US12003519B2

公开(公告)日：2024-06-04

申请号：US17477835

申请日：2021-09-17

Applicant: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Heegyun Jeon ,  Yongsoon Eun

IPC: H04L9/40

CPC classification number: H04L63/1416 ,  H04L63/0876 ,  H04L63/1425 ,  H04L63/1483

Abstract: Disclosed is a cyber-physical system for detecting a pole-dynamics attack, including an attack detector configured to receive a sensor signal output from a physical system and to output an attack detection signal based on the received sensor signal, and a mode controller configured to receive the sensor signal and to output an input control signal for controlling the physical system based on the received sensor signal, wherein the mode controller controls a normal control (NC) mode and an attack detection control (ADC) mode for detecting pole-dynamics attack (PDA) from an output to be repeatedly executed at a preset switching period.