http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
이진섭,정해덕,백형래 조선대학교 에너지.자원신기술연구소 2000 에너지·자원신기술연구소 논문지 Vol.22 No.1
This paper describes a new digital control system based on the model state equations and a prediction method of the load current for PLW inverter with DC link. A new technique used dead beat theory to obtain a sinusoidal PWM inverter output voltage with LC filter has been presented. The dead schemes possess one sample delay in theses controlled signal which can compensate by prediction of the reference wave of the load current at next sample time. Load current prediction which has quick response is applied to compensate the random and high frequency components. This proposed control inherently is verified vary good sinusoidal output wave synthesis of voltage and current, providing accurate phase positioning for various load and excellent transient response. The experimental implementation of the system uses a real time TMS320C31 DSP(Digita1 Signal Processor)based digital controller.
이진섭,백형래,이상일 조선대학교 에너지.자원신기술연구소 2001 에너지·자원신기술연구소 논문지 Vol.23 No.1
This paper deals with the tension control of state feedback control for continuous processing line. At the starting point of entry section, for example, a unwinder named pay off reel unwinds the material maintaining constant tension and line speed. Speed and torque characteristics state is variance during acceleration and deceleration period. In simulation roll diameter variation and inertia variation are considered. It becomes clear that the proposed tension control system has high accuracy performance.
Multi-Mode Radar RF Front-end Design
이진섭,하재권,강호진,노창균,김영진,조춘식 한국과학기술원 반도체설계교육센터 2021 IDEC Journal of Integrated Circuits and Systems Vol.7 No.2
In this study, we convert multiple radar modes to time division and design multi-mode radar to detect long-range and multi-targets. In particular, CMOS multi-mode radar transceiver integrated circuits for mode switching are developed to configure the hardware. Design radars that support LFM, FMCW, and CW modes to detect long range, short range, and multiple targets. The 65nm CMOS process is used, and the metal is 9-metal(1P8M_5X1Z1U). The MOS transistor uses RF and analog devices, and the supply voltage is 1.2V. The operating frequency is 23.5-24.5 GHz and the area is 3.54x3.54mm. The design software is cadence (IC615 and IC617), and the EM design software will use sonnet.