http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
인공위성의 자세제어용 3-축 Flux-gate 마그네토미터 제작
손대락(Derac Son) 한국자기학회 2006 韓國磁氣學會誌 Vol.16 No.3
In this work, we have constructed 3-axis flux-gate magnetometer for the attitude control of satellite. The constructed magnetometer shows uncertainty of ±1%, noise level of 0.2nT/√㎐ at 1 ㎐ under 1W power consumption. Environment test for satellite component, acceleration test and thermal cycle test were carried out. For the acceleration test, magnetometer was vibrated frequency ranging from 10 ㎐ to 1 ㎑ at 15 g (g : gravitational acceleration at earth), and for thermal cycle test, 4 times of thermal cycle were carried out temperature ranging from -55℃ to +80℃ under vacuum of 1×10?? Torr.
손대락(Derac Son) 한국자기학회 2012 韓國磁氣學會誌 Vol.22 No.2
Feed-back type 3-axis flux-gate magnetometer using Co-based amorphous ribbon (Metglass<sup>®</sup>2714A) was constructed in this work. Measuring range of magnetic field and frequency were ± 100 μT and dc~10 Hz respectively. For the interface to computer, microcontroller and 24 bit ADC (Analog to Digital Converter) were employed and resolution of digital output was 0.1 nT. Magnetometer noise of analog output was 5 pT/ at 1 Hz. Digital output of the magnetometer showed linearity of 1 × 10?4 and the offset drift was smaller than 0.2 nT during 1 h.
선박용 안테나의 안정화 제어를 위한 센서 시스템의 구현
孫榮大,李俊柝 동아대학교 생산기술연구소 1999 生産技術硏究所硏究論文集 Vol.4 No.1
In this paper, when we control Elevation Angle and Azimuth Angle of Antenna, intend to implement sensor system for stabilization control of Antenna pedestral system because of wind in land, wave and external disturbances such as rolling, pitching, and yawing. Therefore, this sensor system is consist of Tilt Sensor for measuring absolute angle of rolling and pitching, Level Rate Sensor, Cross Level Rate Sensor, Azimuth Rate Sensor for controlling short-term azimuth angle and Flux Gate Sensor for measuring long-term azimuth angle