Crash detection system
AssigneeInnova Electronics Corporation
InventorsPhuong Pham, Bach Ngoc Tran Ly
Life of this patent
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Abstract
A method of determining a critical vehicle event. The method includes receiving vehicle speed data and airbag status data at a remote server. The method further includes deriving, at the remote server, a vehicle deceleration from the vehicle speed data. The airbag status data is analyzed at the remote server to determine whether an airbag on the vehicle has deployed, wherein the analyzing of the airbag status data occurs when a magnitude of the derived vehicle deceleration is above a preset magnitude. The method additionally comprises generating a critical event confirmation signal when the airbag status data reveals deployment of the airbag on the vehicle.
Claims42
A method of detecting a critical vehicle event based on multiple vehicle operation factors, the method comprising the steps of:
- receiving vehicle speed data associated with operation of a vehicle;
- deriving a change in vehicle speed from the vehicle speed data;
- comparing the derived change in vehicle speed with a preset magnitude, when the derived change in vehicle speed exceeds the preset magnitude, the derived change in vehicle speed being associated with a critical change in speed;
- receiving airbag status data associated with operation of the vehicle and generated after generation of the received vehicle speed data associated with the critical change in speed;
- comparing the received airbag status data with stored data on a remote server, the stored data on the remote server being generated before generation of the received vehicle speed data associated with the critical change in speed;
- and
- generating a critical event confirmation signal at the remote server when the derived change in vehicle speed is above the preset magnitude and the comparison of the received airbag status data with the stored data reveals that the airbag on the vehicle has deployed.
A system for detecting a critical vehicle event, the system comprising:
- a data acquisition and transfer device disposable in communication with a vehicle computer to receive vehicle speed data and airbag status data from the vehicle computer, the data acquisition and transfer device being operative to derive a change in vehicle speed from the vehicle speed data and generate a critical change signal when the derived change in vehicle speed is above a preset magnitude;
- and
- a server disposable in communication with the data acquisition and transfer device to receive the airbag status data and the critical change signal therefrom, the server being operative generate a critical event confirmation signal when the hard stop signal is received and airbag status data reveals deployment of the airbag on the vehicle based on a comparison of the airbag status data before the critical change signal is generated and after the critical change signal is generated.
A method of detecting a critical vehicle event of a vehicle, the method comprising the steps of:
- determining a change in vehicle speed at a data acquisition and transfer device;
- receiving airbag status data at the remote server;
- comparing, at the remote server, the received airbag status data with stored airbag status data on the remote server to determine whether an airbag on the vehicle has deployed;
- and
- generating a critical event confirmation signal at the remote server when the determined change in vehicle speed is above a preset magnitude and the comparison of the received airbag status data with the stored airbag status data reveals that the airbag on the vehicle has deployed based on a comparison of the airbag status data generated before the change in vehicle speed is above the preset magnitude and airbag status data generated after the change in vehicle speed is above the preset magnitude.
A method of detecting a critical vehicle event of a vehicle, the method comprising the steps of:
- receiving a plurality of data sets, each data set being associated with a respective operational parameter of the vehicle useful in detecting a critical event of the vehicle and being generated at a respective moment in time;
- determining a sequence in which the operational parameters were generated;
- determining whether the sequence of the operational parameters associated with the received plurality of data sets conforms to a specific sequence of vehicle operation associated with a critical event;
- and
- generating a critical event indication signal when the sequence of operational parameters associated with the received plurality of data sets conforms to the specific sequence of vehicle operation associated with the critical event.
Dependencies are inferred from the claim text.