SYSTEMS AND METHODS FOR CRASH DETERMINATION
Systems and methods for crash determination in accordance with embodiments of the invention are disclosed. In one embodiment, a vehicle telematics device includes a processor and a memory storing a crash determination application, wherein the processor, on reading the crash determination application, is directed to obtain sensor data from at least one sensor installed in a vehicle, calculate peak resultant data based on the sensor data, where the peak resultant data describes the acceleration of the vehicle over a first time period, generate crash score data based on the peak resultant data and a set of crash curve data for the vehicle, where the crash score data describes the likelihood that the vehicle was involved in a crash based on the characteristics of the vehicle and the sensor data, and provide the obtained sensor data when the crash score data exceeds a crash threshold to a remote server system.
1 . A vehicle telematics device, comprising:
a processor; and
a memory connected to the processor and storing a crash determination application;
wherein the processor, on reading the crash determination application, is directed to:
obtain sensor data from at least one sensor installed in a vehicle;
calculate peak resultant data based on the sensor data, where the peak resultant data describes the acceleration of the vehicle over a first time period;
generate crash score data based on the peak resultant data and a set of crash curve data for the vehicle, where the crash score data describes the likelihood that the vehicle was involved in a crash based on the characteristics of the vehicle and the sensor data; and
provide the obtained sensor data when the crash score data exceeds a crash threshold to a remote server system.
2 . The vehicle telematics device of claim 1 , wherein the at least one sensor comprises an accelerometer.
3 . The vehicle telematics device of claim 1 , wherein the crash curve data is based on vehicle data comprising a vehicle identification number associated with the vehicle.
4 . The vehicle telematics device of claim 1 , wherein the crash curve data is dynamically determined based on vehicle data describing a weight of the vehicle.
5 . The vehicle telematics device of claim 4 , wherein the at least one sensor comprises a weight sensor.
6 . The vehicle telematics device of claim 1 , wherein:
the vehicle telematics system further comprises a communications interface; and
the vehicle telematics unit obtains the sensor data using the communications interface.
7 . The vehicle telematics device of claim 1 , wherein the set of crash curve data is provided by the remote server system.
8 . The vehicle telematics device of claim 1 , wherein:
the remote server system comprises a processor and a memory storing a crash analysis application; and
the processor of the remote server system, on reading the crash analysis application, is directed to:
obtain vehicle sensor data from the vehicle telematics device;
obtain vehicle identification data from the vehicle telematics device;
calculate resultant change data based on the obtained sensor data and the vehicle identification data; and
generate crash occurred data when the resultant change data exceeds a threshold value.
9 . The vehicle telematics device of claim 8 , wherein the processor of the remote server system is further directed to provide notification data comprising the crash occurred data.
10 . The vehicle telematics device of claim 1 , wherein the crash score data is generated by:
calculating peak resultant data based on the obtained sensor data; and
calculating the crash score data based on a duration of time in which the peak resultant data exceeds the crash curve data.
11 . A method for determining when a vehicle has been involved in a crash, comprising:
obtaining sensor data from at least one sensor installed in a vehicle using a vehicle telematics device, where the vehicle telematics device comprises a processor and a memory;
calculating peak resultant data based on the sensor data using the vehicle telematics device, where the peak resultant data describes the acceleration of the vehicle over a first time period;
generating crash score data based on the peak resultant data and a set of crash curve data for the vehicle using the vehicle telematics device, where the crash score data describes the likelihood that the vehicle was involved in a crash based on the characteristics of the vehicle and the sensor data; and
providing the obtained sensor data when the crash score data exceeds a crash threshold to a remote server system using the vehicle telematics device.
12 . The method of claim 11 , wherein the at least one sensor comprises an accelerometer.
13 . The method of claim 11 , wherein the crash curve data is based on vehicle data comprising a vehicle identification number associated with the vehicle.
14 . The method of claim 11 , wherein the crash curve data is dynamically determined based on vehicle data describing a weight of the vehicle.
15 . The method of claim 14 , wherein the at least one sensor comprises a weight sensor.
16 . The method of claim 11 , wherein:
the vehicle telematics system further comprises a communications interface; and
the vehicle telematics unit obtains the sensor data using the communications interface.
17 . The method of claim 11 , wherein the set of crash curve data is provided by the remote server system.
18 . The method of claim 11 , further comprising:
obtaining vehicle sensor data from the vehicle telematics device using a remote server system comprising a processor and a memory;
obtaining vehicle identification data from the vehicle telematics device using the remote server system;
calculating resultant change data based on the obtained sensor data and the vehicle identification data using the remote server system; and
generating crash occurred data when the resultant change data exceeds a threshold value using the remote server system.
19 . The method of claim 18 , further comprising providing notification data comprising the crash occurred data using the remote server system.
20 . The method of claim 11 , wherein the crash score data is generated by:
calculating peak resultant data based on the obtained sensor data using the vehicle telematics device; and
calculating the crash score data based on a duration of time in which the peak resultant data exceeds the crash curve data using the vehicle telematics device.