Ju-Il Lee - IEEE Xplore Author Profile
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Ju-Il Lee

Publications
5
Citations
119
Publications by Year
19972002
Co-Authors:
Show All Co-Authors (6)
Image of author Ju-Il Lee

Ju-Il Lee

Affiliation

Storage Signal Processing Group
Philips Research Laboratories
Eindhoven, Netherlands

Publication Topics

Biography

Ju-Il Lee received the B.S., M.S., and Ph.D. degrees in control and instrumentation engineering from Seoul National University, Seoul, Korea, in 1992, 1994, and 1999, respectively.,He is presently a Senior Engineer at HDD R&D Group, Storage Division, Samsung Electronics Co., Suwon, Korea. His current research interests include nonlinear control theory and its application to flight control and high precision servo systems for data storage devices.(Based on document published on 6 August 2002).
Publications
5
Citations
119
Publications by Year
19972002
Co-Authors:
Show All Co-Authors (6)
Author's Published Works

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A novel approach to control of nonminimum-phase nonlinear systems

Ju-Il Lee;In-Joong Ha

IEEE Transactions on Automatic Control
Year: 2002 | Volume: 47, Issue: 9 | Journal Article |
Cited by: Papers (24)
We present an approach to control of nonminimum-phase multiple-input-multiple-output (MIMO) nonlinear systems based on a singular perturbation-like technique. First, we show that a MIMO nonlinear system can be converted into a singularly perturbed system through magnitude and time-scaling transformation. In particular, the proposed transformation technique can make the hidden or internal dynamics ...Show More

A novel approach to control of nonminimum-phase nonlinear systems

Ju-Il Lee;In-Joong Ha

Year: 2002 | Volume: 47, Issue: 9 | Journal Article |

Nonlinear autopilot for high maneuverability of bank-to-turn missiles

Sang-Yong Lee;Ju-Il Lee;In-Joong Ha

IEEE Transactions on Aerospace and Electronic Systems
Year: 2001 | Volume: 37, Issue: 4 | Journal Article |
Cited by: Papers (35)
This paper presents a novel approach to autopilot design for highly maneuvering bank-to-turn (BTT) missiles. In the design and performance analysis of the proposed nonlinear autopilot, all nonlinearities of missile dynamics including the coupling between roll, yaw, and pitch channels as well as the asymmetric structure of missile body are taken into full account. It is shown that through a kind of...Show More

Nonlinear autopilot for high maneuverability of bank-to-turn missiles

Sang-Yong Lee;Ju-Il Lee;In-Joong Ha

Year: 2001 | Volume: 37, Issue: 4 | Journal Article |

Autopilot design for highly maneuvering STT missiles via singular perturbation-like technique

Ju-Il Lee;In-Joong Ha

IEEE Transactions on Control Systems Technology
Year: 1999 | Volume: 7, Issue: 5 | Journal Article |
Cited by: Papers (44)
This paper presents a new approach to acceleration control of skid-to-turn (STT) missiles, in which all nonlinearities of the missiles including the coupling effect between pitch and yaw channels due to the effect of bank angle are taken into account. Missile velocity and air density are not assumed to be constant or slow-varying. Furthermore, the total angle of attack need not be confined to be s...Show More

Autopilot design for highly maneuvering STT missiles via singular perturbation-like technique

Ju-Il Lee;In-Joong Ha

Year: 1999 | Volume: 7, Issue: 5 | Journal Article |

An integrated 800/spl times/600 CMOS imaging system

Woodward Yang;Oh-Bong Kwon;Ju-Il Lee;Gyu-Tae Hwang;Suk-Joong Lee

1999 IEEE International Solid-State Circuits Conference. Digest of Technical Papers. ISSCC. First Edition (Cat. No.99CH36278)
Year: 1999 | Conference Paper |
Using a 0.5 /spl mu/m baseline DRAM process, a single chip digital CMOS imaging system with SVGA pixel array, linear bank of 800 parallel 8 b ADCs, 3.2 kB DRAM buffer, digital double sampling (DDS) circuitry and digital control is presented. A 3.3 V high-performance 4T nMOS, 8/spl times/8 /spl mu/m/sup 2/ pixel with on-chip RGB Bayer pattern color filters has measured green sensitivity >2 V/lux-s ...Show More

An integrated 800/spl times/600 CMOS imaging system

Woodward Yang;Oh-Bong Kwon;Ju-Il Lee;Gyu-Tae Hwang;Suk-Joong Lee

Year: 1999 | Conference Paper |

A new approach to nonlinear autopilot design for bank-to-turn missiles

Sang-Yong Lee;Ju-Il Lee;In-Joong Ha

Proceedings of the 36th IEEE Conference on Decision and Control
Year: 1997 | Conference Paper |
Cited by: Papers (3)
Presents an autopilot controller for bank-to-turn (BTT) missiles. In the design and stability analysis of the proposed autopilot controller, all the nonlinearities of the missile dynamics including the coupling effect due to bank and roll angles as well as the asymmetry of missile body are fully considered. It is shown that through a kind of partial linearization along with singular perturbation t...Show More

A new approach to nonlinear autopilot design for bank-to-turn missiles

Sang-Yong Lee;Ju-Il Lee;In-Joong Ha

Year: 1997 | Volume: 5 | Conference Paper |

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