사용자 요구사항 분석을 통한 2층 고속열차 설계조건 도출

The railway capacity is expected to become increasingly saturated as the transportation demand during rush hour and Fridays rapidly increases due to the high demand of Seoul-Osong section. Accordingly, the double deck high speed train is considered as an ideal alternative to solve the fast-growing traffic volume of railroad. This article analyzes the voices of customers (VOC) collected in KORAIL which are applicable to the development of double deck high speed train. To obtain relevant data to extract customer requirements applicable to design double deck high speed train, we analyzed 137,353 VOC during the period from January in 2012 to April in 2014. The results of the study are as follows.