To investigate the effects of train vibration on PC operation and on the human body, a survey was carried out and a related experiment was conducted. A poll of 114 subjects who had used a PC on a train was undertaken to identify the limitations of the present on-board equipment and ascertain the needs of users. The results indicated that a number of subjects were not satisfied with the size of the seat tables or their adjustability. Experiments based on the survey results were performed to investigate the optimal working space when using a PC on a moving train. The subjects subjectively evaluated various factors while performing tasks on a PC. The results indicated the ideal length and positioning of the table, the optimal adjustability range and the importance of adequate table space between the PC and the user.

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