Toyota Jidosha Kabushiki Kaisha

Katsushi Nakayama

Hiroyuki Tateno

Satoru Takahashi

A control device includes an electronic control unit. The electronic control unit is configured to perform autonomous driving of a vehicle to autonomously control at least a vehicle speed so that the vehicle speed follows a preset target vehicle speed; store a relationship between the vehicle speed and noise that is generated by a vehicle part rotated in association with running of the vehicle; determine, based on the relationship, whether the noise is equal to or larger than a preset determination threshold when the vehicle runs at the target vehicle speed; and when the electronic control unit determines that the noise is equal to or larger than the determination threshold, determine a vehicle speed at which the noise is lower than the determination threshold, and change the target vehicle speed to the vehicle speed at which the noise is lower than the determination threshold.

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Toyota, Japan

Katsushi Nakayama