Device and method for detecting abnormal state of tire
AssigneesHyundai Motor Company, Kia Corporation
InventorsSung Jin Jo, Jae Hoon Chung
Life of this patent
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Abstract
A device for detecting an abnormal state of a tire includes a wireless transceiver spaced apart from the tire and coupled to a vehicle, where the wireless transceiver transmits a radio signal to a ground surface and acquires delay information required to receive a reflected wave from the ground surface, and a control module that calculates a reference distance between the wireless transceiver and the ground surface based on the delay information, and detects an abnormal state of the tire, based on a reference distance change.
Claims18
A device for detecting an abnormal state of a tire, the device comprising:
- a wireless transceiver spaced apart from the tire and coupled to a vehicle, wherein the wireless transceiver transmits a radio signal to a ground surface and acquires delay information required to receive a reflected wave from the ground surface;
- and
- a control module configured to calculate a reference distance between the wireless transceiver and the ground surface based on the delay information, and detect the abnormal state of the tire, based on a reference distance change,
- wherein the control module is further configured to determine whether the tire is abnormal, based on a change in a reference angle,
- wherein the reference angle is an angle between a reference line connecting the wireless transceiver and a rotation axis of the tire to each other and the ground surface in a side view of the vehicle.
A method for detecting an abnormal state of a tire using a control module mounted on a vehicle, the method comprising:
- calculating a reference distance between a ground surface and a reference point on the vehicle spaced apart from the tire by a predetermined distance;
- monitoring a reference distance change;
- and
- determining that the tire is in the abnormal state, based on a state in which the reference distance change is equal to or greater than a preset first threshold value,
- wherein monitoring the reference distance change further includes determining a change in a sine value of a reference angle based on the reference distance,
- wherein the reference angle is an angle between a reference line connecting the reference point and a rotation axis of the tire to each other and the ground surface in a side view of the vehicle.
Dependencies are inferred from the claim text.