抄録
Using dynamic simulator, train ride comfort is evaluated repeatedly on laboratory test. To express lateral acceleration at curving, a cabin is inclined to roll axis. But quick rolling motion impresses incongruity. The threshold of rolling motion is tested and the result shows the threshold is higher considering frequency and phase. Setting the rolling center to the head position, rolling motion is less suspicious. And the threshold of lateral acceleration is tested. Its value is high enough to move back a cabin to the center of actuator stroke not suspected by the subjects. In the newly developed testing method, a joystick lever is used in place of an answer button.
