Korea Advanced Institute of Science and Technology · Engineering
Professor Hyochoong Bang's research lab specializes in aerospace systems, with a focus on satellite constellation design, unmanned aerial vehicle (UAV) path planning in contested environments, and advanced missile and spacecraft systems. The lab develops optimization techniques—particularly genetic algorithms—for solving complex, multiobjective problems in low Earth orbit (LEO) satellite missions and dynamic threat environments. Research emphasizes real-world constraints such as dynamic radar threats, terrain masking, and satellite orbital mechanics to enhance mission effectiveness and survivability. The lab also explores space technology applications in defense and aerospace systems, integrating advanced modeling and simulation for mission analysis and system design.
Figures are computed from collected data and may differ slightly.
This paper focuses on maximizing the percent coverage and minimizing the revisit time for a small satellite constellation with limited coverage. A target area represented by a polygon defined by grid points is chosen instead of using a target point only. The constellation consists of nonsymmetric and circular Low Earth Orbit (LEO) satellites. A global optimization method, Genetic Algorithm (GA), is chosen due to its ability to locate a global optimum solution for nonlinear multiobjective problem
This paper presents the method to solve the problem of path planning for an unmanned aerial vehicle (UAV) in adversarial environments including radar-guided surface-to-air missiles (SAMs) and unknown threats. SAM lethal envelope and radar detection for SAM threats and line-of-sight (LOS) calculation for unknown threats are considered to compute the cost for path planning. In particular, dynamic SAM lethal envelope is taken into account for path planning in that SAM lethal envelope does change it
Covers advancements in spacecraft and tactical and strategic missile systems, including subsystem design and application, mission design and analysis, materials and structures, developments in space sciences, space processing and manufacturing, space operations, and applications of space technologies to other fields.
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