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조래혁(CHO Raehyuck),이오현(LEE Ohhyun),박채영(Park Chaeyoung),민영희(Min Younghee) 한국철도학회 2006 한국철도학회 학술발표대회논문집 Vol.- No.-
As globalizing is proceeding faster, it is getting more important that the international standard(ISO 9001) should be followed in the railway field. Quality management system for ultimate purpose which leads quality management activity in construction in industries. However, because of the limit of documents, it is hardly used in the general construction plan. This paper will show the chart of simple form to understand this system, proposing the best plan of design management.
조래혁(Cho Raehyuck),이오현(Lee Ohhyun),박채영(Park Chaeyoung),김상암(Kim Sangahm) 한국철도학회 2006 한국철도학회 학술발표대회논문집 Vol.- No.-
PSD(Platform Screen Door) has been installed to reduce wind causd by train operation and the vibration, the noise in the subway since 2004, lots of passengers are very satisfied with the benefit. Recently, the BLDC(Brushless DC) has caused the eddy current loss, the vibration, the torque ripple whenever switching but, servo motor is to eliminate the design error by the BLDC(Brushless DC). In this paper, we tired to conform the application of AC Servo motor.
강경표(Kang kyungpyo),이오현(Lee Ohhyun),박채영(Park Chaeyoung),조래혁(Cho Raehyuck) 한국철도학회 2006 한국철도학회 학술발표대회논문집 Vol.- No.-
Electrified railway has been used impedance method of Cason-Pollaczeck in korea, lots of line circuitry technique in japan. but, proposed by revised Carson"s of grounding analysis since 2004 railway conference in summer. however, this method dissatisfied with boundary condition of magnetic field. In this paper, we induced inductance calculation to essential in impedance method, analyzed boundary condition using Laplace"s equation.