A vehicle seatbelt device according to an embodiment includes a seatbelt that restrains a part of the body of an occupant in a host vehicle, a tension adjustment mechanism that is able to adjust a tension of the seatbelt, a recognizer that recognizes situation in the vicinity of the host vehicle, an index value deriver that derives an index value indicating an overlapping degree between a predicted traveling trajectory of another vehicle which is recognized by the recognizer and approaches the host vehicle and a predicted traveling trajectory of the host vehicle, and a tension controller that controls an operation timing of the tension adjustment mechanism on the basis of the index value derived by the index value deriver and a degree of approach of the another vehicle with respect to the host vehicle.
VEHICLE SEATBELT DEVICE, TENSION CONTROL METHOD, AND STORAGE MEDIUM
2022-09-29
Patent
Elektronische Ressource
Englisch
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