Optimization of Seat Comfort of High-Speed Train

To improve the ride comfort of high-speed trains,a questionnaire about the seat comfort of CRH2 high-speed train was carried out.The factors influencing the seat comfort were determined with multiple regression analysis based on the results of the questionnaire,body data of Chinese people,and the seat design theory combined with the ergonomics.Seat dimensions that suit to Chinese people was presented: the seat back angle is 100° to 120°,the width and height of seat back are less than 415 and 729 mm,respectively,and the headrest is 700 to 859 mm above the seat surface.