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- Publications
- Influence
Nonlinear Control of Quadrotor for Point Tracking: Actual Implementation and Experimental Tests
In this paper, a nonlinear control scheme along with its simulation and experimental results for a quadrotor are presented. It is not easy to control the quadrotor because the dynamics of quadrotor,… Expand
Fault detection and isolation for a small CMG-based satellite: A fuzzy Q-learning approach
- Y. Choi, Ji-Hwan Son, H. Ahn
- Engineering
- 1 December 2015
Abstract The model-based fault detection and isolation (FDI) methods are used to detect faults in small satellites when actuator redundancy may not be feasible due to weight, cost, and space… Expand
Ecological Analysis and Environmental Evaluation of Aquatic Insects in Agricultural Ecosystem
- Jong-Gill Kim, Y. Choi, +7 authors Duck-Bae Lee
- Environmental Science
- 30 December 2007
Evaluation of Farm Lands located in Urban Area and Industrial Complex using Insect Diversity Indices
- Y. Choi, Jong-Gill Kim, Jiyoung Choi, Won-Tae Kim, Ha-Sik Shim, B. Park
- Geography
- 30 December 2007
To evaluate environment of farm lands using indicator insects and evaluation indices, the insect abundance of which is one of the major criteria for the evaluation of agricultural environment of farm… Expand
A survey on multi-agent reinforcement learning: Coordination problems
TLDR
Formation control of quad-rotors in three dimension based on euclidean distance dynamics matrix
In this paper, we consider that a group of four quad-rotors in three dimension is controlled by the formation control law. Formation control problems in three dimension have been of considerable… Expand
Realization of distributed formation flying using a group of autonomous quadcopters and application to visual performance show
- M. Park, S. Kang, +5 authors Ji-Hwan Son
- Engineering
- IEEE Transportation Electrification Conference…
- 1 June 2016
In this paper, we introduce outdoor multi-drone platform which is supposed to be used for several purposes. The main application of the platform in this paper is a visual performance show called “the… Expand
The Bio-Insect and Artificial Robots Interaction Based on Multi-Agent Reinforcement Learning
Multi-agent reinforcement learning is a challenging research topic used in various fields including robotics, artificial intelligence, distributed control, and so on. Recently, there have been lots… Expand
Bio-insect and artificial robot interaction using cooperative reinforcement learning
- Ji-Hwan Son, Y. Choi, H. Ahn
- Computer Science
- Appl. Soft Comput.
- 1 December 2014
TLDR
The Structuring Process of Multi‐Centered Usability Evaluation Method
- J. Kim, Ha-Yeun Lee, Y. Choi
- Computer Science
- 2005
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