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366 results on '"Lee, Soon-Geul"'

1. Automatic Lane Change Using Adaptive Grid Map

Author

Woo, Sooho, Choi, Jaehwan, Hong, Junki, Kim, Jaehyung, Ryu, Jaekwan, Kim, Jaejun, Lee, Soon-Geul, Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Lee, Soon-Geul, editor, An, Jinung, editor, Chong, Nak Young, editor, Strand, Marcus, editor, and Kim, Joo H., editor

Published
2024
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2. Digital Twin Simulation for Automated Aerobridge Docking System

Author

Lee, Jae-Hong, Weon, Ihn-sik, Lee, Soon-Geul, Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Lee, Soon-Geul, editor, An, Jinung, editor, Chong, Nak Young, editor, Strand, Marcus, editor, and Kim, Joo H., editor

Published
2024
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9. Multi-mode Simultaneous Tactile Feedback Using Soft Pneumatic Fingertip Actuator with Dual Air Chamber

Author

Lee, Soon-Geul, An, Jinung, Chong, Nak Young, Strand, Marcus, Kim, Joo H., Hashem, Mohammad Shadman, Joolee, Joolekha Bibi, Hassan, Waseem, Jeon, Seokhee, Lee, Soon-Geul, An, Jinung, Chong, Nak Young, Strand, Marcus, Kim, Joo H., Hashem, Mohammad Shadman, Joolee, Joolekha Bibi, Hassan, Waseem, and Jeon, Seokhee

Abstract

The paper suggests a new fingertip actuator made of silicone that can simultaneously produce pressure and vibrotactile feedback in order to offer a more realistic and immersive haptic experience in virtual environments. The actuator has a dual-layer air chamber design, with the top layer providing vibration feedback and the bottom layer providing pressure feedback. Pneumatic valves with pressurized air tanks can regulate the actuator. The actuator was tested in a simulated environment to render three different kinds of haptic textures. It is made to be worn conveniently at the fingertips. To compare the effectiveness of the suggested actuator to an actuator with a single vibrotactile feedback, performance assessments and user studies were done.

Published
2024

21. Intelligent Robust Disturbance Rejection Control of a Ballbot Drive Micromobility Vehicle

Author

Xuan-Mung, Nguyen, Pham, Dinh Ba, Duong, Xuan Quang, Van, Mien, Sareh, Sina, Shojaei, Khoshnam, Asadi, Ehsan, Lee, Soon-Geul, and Khayyam, Hamid

Abstract

We propose a hybrid adaptive control method with robust disturbance rejection for a novel personal micromobility vehicle that uses ballbot drive mechanics with a single spherical wheel. Intelligent control of such a micromobility vehicle is significantly sensitive to discrete events of short duration and high-intensity road disturbances and shocks. Sudden bumps, potholes, pavement or kicks typically cause these events. Our approach combines adaptive disturbance observer (DOB) with two other techniques to achieve better and more robust nonlinear control of a ballbot drive vehicle (BDV) against small to large external disturbances. The proposed hybrid DOB-Based combined control system (DOB-CCS) stabilizes the body position via a DOB-based partial feedback linearization (PFL) strategy while enabling ball movement on the floor by introducing a DOB-based sliding mode control (SMC). The control scheme consists of linearly combined components responsible for maintaining an upright posture about unstable equilibrium points and tracking the motion under disturbances. Simulations, real-platform experiments and respective comparative studies show the efficacy of the proposed method for a BDV to reject external disturbances. The practical performance of the proposed DOB-CCS strategy is experimentally validated and compared with a CCS method. The experimental results indicate less than 0.7 and 1.5 degrees of ballbot's orientation error and robust rejection of disturbances under kicks during balancing and transferring modes, respectively.

Published
2024
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26. Novel Positioning System for Mobile Robot Using RFID Power Control

Author

Kang, Soo Hyeok, Min, Byung-Cheol, Hong, Ji Hyeon, Matson, Eric T., Lee, Soon-Geul, An, Jinung, Kim, Dong Han, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Goebel, Randy, editor, Siekmann, Jörg, editor, Wahlster, Wolfgang, editor, Herrmann, Guido, editor, Studley, Matthew, editor, Pearson, Martin, editor, Conn, Andrew, editor, Melhuish, Chris, editor, Witkowski, Mark, editor, Kim, Jong-Hwan, editor, and Vadakkepat, Prahlad, editor

Published
2012
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30. Computer and Robotic Model of External Fixation System for Fracture Treatment

Author

Kim, Yoon Hyuk, Lee, Soon-Geul, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Bubak, Marian, editor, van Albada, Geert Dick, editor, Sloot, Peter M. A., editor, and Dongarra, Jack, editor

Published
2004
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