Search Results - "Lee, Chang Hun"

Three-Dimensional Bearing-Only Target Following via Observability-Enhanced Helical Guidance by Li, Jianan, Ning, Zian, He, Shaoming, Lee, Chang-Hun, Zhao, Shiyu

“…This paper studies the problem of air-to-air target following of micro aerial vehicles (MAVs) motivated by the application of defense against malicious MAVs…”
Get full text

Attitude Takeover Control for Noncooperative Space Targets Based on Gaussian Processes With Online Model Learning by Liu, Yuhan, Wang, Pengyu, Lee, Chang-Hun, Toth, Roland

“…One major challenge for autonomous attitude takeover control for on-orbit servicing of spacecrafts is that an accurate dynamic motion model of the combined…”
Get full text

Optimal Proportional-Integral Guidance With Reduced Sensitivity to Target Maneuvers by He, Shaoming, Lee, Chang-Hun

“…This paper proposes a new optimal guidance law based on the proportional-integral (PI) concept to reduce the sensitivity to unknown target maneuvers. Compared…”
Get full text

Nonlinear Optimal 3-D Impact-Angle-Control Guidance Against Maneuvering Targets by Li, Hongyan, Wang, Jiang, He, Shaoming, Lee, Chang-Hun

“…This article presents a new 3-D nonlinear optimal guidance law to control the impact angle in maneuvering target interception. This approach formulates the…”
Get full text

Optimal Impact Angle Guidance for Exoatmospheric Interception Utilizing Gravitational Effect by He, Shaoming, Lee, Chang-Hun

“…This paper aims to develop a new optimal intercept angle guidance law for exoatmospheric interception by utilizing gravity. A finite-time optimal regulation…”
Get full text

Natural TeV-scale left-right seesaw mechanism for neutrinos and experimental tests by Lee, Chang-Hun, Dev, P. S. Bhupal, Mohapatra, R. N.

“…We present a TeV-scale left-right ultraviolet completion of the type-I seesaw for neutrino masses based on the SU(2) sub(L) X SU(2) sub(R) X U(1) sub(B-L)…”
Get full text

Diabetes mellitus and diabetic foot ulcer: Etiology, biochemical and molecular based treatment strategies via gene and nanotherapy by Mariadoss, Arokia Vijaya Anand, Sivakumar, Allur Subramaniyan, Lee, Chang-Hun, Kim, Sung Jae

“…Diabetes mellitus (DM) is a collection of metabolic and pathophysiological disorders manifested with high glucose levels in the blood due to the inability of…”
Get full text

Nonlinear Three-Dimensional Guidance for Impact Time and Angle Control With Field-of-View Constraint by Wang, Pengyu, Lee, Chang-Hun, Liu, Yuhan, Tahk, Min-Jea

“…This article presents a nonlinear 3-D guidance law for homing missiles with a field-of-view (FOV) constraint to achieve impact time and angle control against a…”
Get full text

Heading Error Shaping Guidance Laws Using Generalized Finite-Time Convergence Error Dynamics by Jeong, Eui-Taek, Wang, Pengyu, He, Shaoming, Kim, Tae-Hun, Lee, Chang-Hun

“…This article introduces a new methodology for designing guidance laws that directly shape the pattern of the heading error as desired. To this end, the concept…”
Get full text

Energy-Optimal Waypoint-Following Guidance Considering Autopilot Dynamics by He, Shaoming, Shin, Hyo-Sang, Tsourdos, Antonios, Lee, Chang-Hun

“…This article addresses the problem of energy-optimal waypoint-following guidance for an unmanned aerial vehicle, considering a general autopilot dynamics…”
Get full text

Augmented Polynomial Guidance With Impact Time and Angle Constraints by Kim, Tae-Hun, Lee, Chang-Hun, Jeon, In-Soo, Tahk, Min-Jea

“…In this paper, a new impact time and impact angle control guidance law for homing missiles against a stationary target is proposed. To derive a state feedback…”
Get full text

New Design Methodology for Impact Angle Control Guidance for Various Missile and Target Motions by Seo, Min-Guk, Lee, Chang-Hun, Tahk, Min-Jea

“…This brief introduces a new design methodology for impact angle control guidance (IACG) laws. The proposed methodology can extend any proven homing guidance…”
Get full text

Comparative proteomics analysis of biofilms and planktonic cells of Enterococcus faecalis and Staphylococcus lugdunensis with contrasting biofilm-forming ability by Cho, Jung-Ah, Jeon, Sangsoo, Kwon, Youngmin, Roh, Yoo Jin, Lee, Chang-Hun, Kim, Sung Jae

“…Biofilms make it difficult to eradicate bacterial infections through antibiotic treatments and lead to numerous complications. Previously, two periprosthetic…”
Get full text

Positive and negative switching barriers: promoting hotel customer citizenship behaviour through brand attachment by Lee, Chang-Hun, Kim, Hye-Rhim

“…Purpose This study aims to develop and test a theoretical model postulating that a hotel customer’s brand attachment is reinforced by positive and negative…”
Get full text

Defining Keratin Protein Function in Skin Epithelia: Epidermolysis Bullosa Simplex and Its Aftermath by Coulombe, Pierre A., Lee, Chang-Hun

“…Epidermolysis bullosa simplex (EBS) is a rare genetic condition typified by superficial bullous lesions following incident frictional trauma to the skin. Most…”
Get full text

Polynomial Guidance Laws Considering Terminal Impact Angle and Acceleration Constraints by Lee, Chang-Hun, Kim, Tae-Hun, Tahk, Min-Jea, Whang, Ick-Ho

“…The work presented here investigates proposed impact angle control guidance laws with terminal acceleration constraints for a stationary or slowly moving…”
Get full text

Impact Time Control Based on Time-to-Go Prediction for Sea-Skimming Antiship Missiles by Tahk, Min-Jea, Shim, Sang-Wook, Hong, Seong-Min, Choi, Han-Lim, Lee, Chang-Hun

“…This paper proposes a novel approach for guidance law design to satisfy the impact-time constraints for a certain class of homing missiles. The proposed…”
Get full text

Fixed Range Horizon MPPI-based Missile Computational Guidance for Constrained Impact Angle by Kim, Ki-Pyo, Lee, Chang-Hun

“…This paper presents a new computational guidance algorithm based on the Model Predictive Path Integral (MPPI) control for missiles with the impact angle,…”
Get full text

Radiographic and clinical outcomes of muenster and sugar tong splints for distal radius fractures: a comparative study by Jo, Young-Hoon, Lee, Myoung Keun, Lee, Young Seok, Choi, Wan-Sun, Kim, Joo-Hak, Kim, Jiwhan, Lee, Chang-Hun

“…Non-operative management is typically indicated for extra-articular distal radius fractures. Conservative treatments such as Sugar tong splints (STs) and…”
Get full text

Vector-like quarks and leptons, SU(5) ⊗ SU(5) grand unification, and proton decay by Lee, Chang-Hun, Mohapatra, Rabindra N.

“…A bstract SU(5) ⊗ SU(5) provides a minimal grand unification scheme for fermions and gauge forces if there are vector-like quarks and leptons in nature. We…”
Get full text