Showing results 1 to 28 of 28
An Antenna Tracking Profile Design for Communication with a Ground station Lee, Donghun; Lee, Kyung-Min; Irfan Rashed, Mohammed; Bang, Hyochoong, INTERNATIONAL JOURNAL OF AERONAUTICAL AND SPACE SCIENCES, v.14, no.3, pp.282 - 295, 2013-09 |
Analysis on Delta-Vs to Maintain Extremely Low Altitude on the Moon and Its Application to CubeSat Mission Song, Young-Joo; Lee, Donghun; Kim, Young-Rok; Jin, Ho; Choi, Young-Jun, JOURNAL OF ASTRONOMY AND SPACE SCIENCES, v.36, no.3, pp.213 - 223, 2019-09 |
B-plane Targeting Method for Orbit Maneuver Using Low Thrust Cho, Dong-Hyun; Lee, Donghun; Bang, Hyochoong; Kim, Hae-Dong, INTERNATIONAL JOURNAL OF CONTROL AUTOMATION AND SYSTEMS, v.15, no.4, pp.1729 - 1737, 2017-08 |
Closed-form solution of attitude command generation for spin-to-spin maneuver Mok, Sung-Hoon; Bang, Hyochoong; Lee, Donghun, ADVANCES IN SPACE RESEARCH, v.71, no.1, pp.676 - 691, 2023-01 |
Closed-Form Solutions for Single-Axis Slew Maneuvers Under a Fixed Final Time Constraint Lee, Donghun; Song, Young-Joo, INTERNATIONAL JOURNAL OF AERONAUTICAL AND SPACE SCIENCES, v.25, no.2, pp.635 - 646, 2024-04 |
Efficient Initial Costates Estimation for Optimal Spiral Orbit Transfer Trajectories Design Lee, Donghun; Bang, Hyochoong, JOURNAL OF GUIDANCE CONTROL AND DYNAMICS, v.32, no.6, pp.1943 - 1947, 2009-11 |
Energy-Efficient Swarming Flight Formation Transitions Using the Improved Fair Hungarian Algorithm Moon, SungTae; Lee, Donghun; Lee, Dongoo; Kim, Doyoon; Bang, Hyochoong, SENSORS, v.21, no.4, 2021-02 |
Flight Dynamics and Navigation for Planetary Missions in Korea: Past Efforts, Recent Status, and Future Preparations Song, Young-Joo; Lee, Donghun; Bae, Jonghee; Kim, Young-Rok; Choi, Sun-Jin, JOURNAL OF ASTRONOMY AND SPACE SCIENCES, v.35, no.3, pp.119 - 131, 2018-09 |
Gimbal-Angle Vectors of the Nonredundant CMG Cluster Lee, Donghun; Bang, Hyochoong, INTERNATIONAL JOURNAL OF AERONAUTICAL AND SPACE SCIENCES, v.19, no.2, pp.443 - 458, 2018-06 |
Ground Tracking Support Condition Effect on Orbit Determination for Korea Pathfinder Lunar Orbiter (KPLO) in Lunar Orbit Kim, Young-Rok; Song, Young-Joo; Park, Jae-ik; Lee, Donghun; Bae, Jonghee; Hong, SeungBum; Kim, Dae-Kwan; et al, JOURNAL OF ASTRONOMY AND SPACE SCIENCES, v.37, no.4, pp.237 - 247, 2020-12 |
Influence of Steering Angle Profiles on the Orbit Transfer Trajectory Lee, Donghun; Song, Young-Joo, MATHEMATICAL PROBLEMS IN ENGINEERING, v.2021, 2021-04 |
Mission Design and Analysis based on SEM Angle by Using Variable Coast During 3.5 Earth-Moon Phasing Loop Transfer Choi, Su-Jin; Lee, Donghun; Lim, Seong-Bin; Choi, Suk-Won, JOURNAL OF THE KOREAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, v.46, no.1, pp.68 - 77, 2018-01 |
Mission Orbit Design of CubeSat Impactor Measuring Lunar Local Magnetic Field Lee, Jeong-Ah; Park, Sang-Young; Kim, Youngkwang; Bae, Jonghee; Lee, Donghun; Ju, Gwanghyeok, JOURNAL OF ASTRONOMY AND SPACE SCIENCES, v.34, no.2, pp.127 - 138, 2017-06 |
Numerical Integration of Quaternion Kinematics Using Collocation Method Lee, Donghun; Bang, Hyochoong, INTERNATIONAL JOURNAL OF AERONAUTICAL AND SPACE SCIENCES, v.20, no.1, pp.238 - 248, 2019-03 |
Optimal Earth-Moon Trajectory Design Using New Initial Costate Estimation Method Lee, Donghun; Bang, Hyochoong; Kim, Hae-Dong, JOURNAL OF GUIDANCE CONTROL AND DYNAMICS, v.35, no.5, pp.1671 - 1676, 2012-09 |
Optimal Lunar Point Return Orbit Design and Analysis via a Numerical Three-Step Approach Song, Yongjun; Song, Young-Joo; Kim, Kap-Sung; Jin, Ho; Lee, Donghun, INTERNATIONAL JOURNAL OF AERONAUTICAL AND SPACE SCIENCES, v.21, no.4, pp.1129 - 1146, 2020-12 |
Optimal phase-angle design for the powered-descent phase of lunar lander Cho, Dong-Hyun; Lee, Donghun; Kim, Hae-Dong, PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING, v.230, no.11, pp.2036 - 2047, 2016-09 |
Overview of the Flight Dynamics Subsystem for Korea Pathfinder Lunar Orbiter Mission Song, Young-Joo; Kim, Young-Rok; Bae, Jonghee; Park, Jae-ik; Hong, Seungbum; Lee, Donghun; Kim, Dae-Kwan, AEROSPACE, v.8, no.8, 2021-08 |
Post Trajectory Insertion Performance Analysis of Korea Pathfinder Lunar Orbiter Using SpaceX Falcon 9 Song, Young-Joo; Bae, Jonghee; Hong, Seungbum; Bang, Jun; Lee, Donghun, JOURNAL OF ASTRONOMY AND SPACE SCIENCES, v.40, no.3, pp.123 - 129, 2023-09 |
Potential trajectory design for a lunar CubeSat impactor deployed from a HEPO using only a small separation delta-V Song, Young-Joo; Lee, Donghun; Jin, Ho; Kim, Bang-Yeop, ADVANCES IN SPACE RESEARCH, v.59, no.2, pp.619 - 630, 2017-01 |
Practical Algorithms on Lunar Reference Frame Transformations for Korea Pathfinder Lunar Orbiter Flight Operation Song, Young-Joo; Lee, Donghun; Kim, Young-Rok; Bae, Jonghee; Park, Jae-ik; Hong, SeungBum; Kim, Dae-Kwan; et al, JOURNAL OF ASTRONOMY AND SPACE SCIENCES, v.38, no.3, pp.185 - 192, 2021-09 |
Preliminary Analysis on Launch Opportunities for Sun-Earth Lagrange Points Mission from NARO Space Center Song, Young-Joo; Lee, Donghun, JOURNAL OF ASTRONOMY AND SPACE SCIENCES, v.38, no.2, pp.145 - 155, 2021-06 |
Preliminary Delta-V Analysis to Deploy a CubeSat Impactor from the Mothership During a Flight Inside the Lunar Sphere of Influence Song, Young-Joo; Lee, Donghun; Jin, Ho; Song, Yongjun, INTERNATIONAL JOURNAL OF AERONAUTICAL AND SPACE SCIENCES, v.21, no.1, pp.277 - 289, 2020-03 |
Preparation of Contingency Trajectory Operation for the Korea Pathfinder Lunar Orbiter Bang, Jun; Hong, Seung Bum; Bae, Jonghee; Song, Young-Joo; Lee, Donghun, Journal of Astronomy and Space Sciences, v.40, no.4, pp.217 - 224, 2023-12 |
Single-Axis, Spin-to-Spin Slew Maneuvers Under a Finite Jerk Constraint Lee, Donghun; Song, Young-Joo, JOURNAL OF GUIDANCE CONTROL AND DYNAMICS, v.42, no.9, pp.2116 - 2123, 2019-09 |
Spin-to-spin slew maneuvers under spherically constrained angular acceleration Lee, Donghun; Song, Young-Joo, ADVANCES IN SPACE RESEARCH, v.64, no.6, pp.1274 - 1285, 2019-09 |
Trajectory optimization for a lunar orbiter using a pattern search method Choi, Su-Jin; Lee, Donghun; Kim, In-Kyu; Kwon, Jae-Wook; Koo, Cheol-Hea; Moon, Sangman; Kim, Changkyoon; et al, PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING, v.231, no.7, pp.1325 - 1337, 2017-06 |
Virtual Trajectory Augmented Landing Control Based on Dual Quaternion for Lunar Lander Kwon, Jae-Wook; Lee, Donghun; Bang, Hyochoong, JOURNAL OF GUIDANCE CONTROL AND DYNAMICS, v.39, no.9, pp.2044 - 2057, 2016-09 |
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