http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
축압기의 변화가 고주파 유압시스템의 주파수 특성에 미치는 영향
노형운(Hyung-Woon Roh),김재수(Jae-Soo Kim),박남은(Nam-Eun Park),김양수(Yang-Soo Kim),전승배(Seung-Bae Jeon),나홍철(Hong-Chul Na) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.4
Characteristics of the high frequency and pulsatile flow investigated experimentally to understand the flow phenomena in the hydraulic system. In the study, I axis fatigue tester which are widely used for automobile filed are selected. 4 Pressure transducer, amplifier, A/D convertor are used to analyse and to obtain the pulsatle pressure waveform with high frequencies in hydraulic system. Matlab are used. to analyse the characteristics of frequency. Variation of Pump input pressure and actuator acceleration frequency, pressure wave are measured with or without accumulators. For with accumulator, frequency amplitude of pressure are very lower than those of without accumulator due to absorbing function of accumulator. As the actuator acceleration frequency increased, effect of accumulator are very important to decrease the pulsatile pressure waveform with high frequencies.