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|1. (WO2018138926) PORTABLE TERMNAL APPARATUS, VEHICLE CONTROL METHOD, AND VEHICLE CONTROL SYSTEM|
|Title:||PORTABLE TERMNAL APPARATUS, VEHICLE CONTROL METHOD, AND VEHICLE CONTROL SYSTEM|
The purpose of the present invention is to detect a situation where a user is likely to get motion sickness, and change the characteristics of a vehicle to a situation where motion sickness is less likely to be induced. To achieve this, a portable terminal apparatus is provided that comprises: a video display unit which displays a video to be viewed by a user; a vibration detection unit which detects the vibration received by the user; a vibration characteristic change determination unit which determines whether or not a change in the vibration characteristics of the vehicle is required on the basis of the video displayed by the video display unit and the vibration characteristics detected by the vibration detection unit; and a control signal generation unit which generates a control signal for changing the vibration characteristics of the vehicle when the determination result shows that a change is required.