Method of detecting a vehicle collision at a vehicle and vehicle telematics device
A technology of telematics and vehicle collision, which is applied in the field of vehicle collision detection at the vehicle and vehicle telematics equipment, and can solve problems such as interruption and deactivation of in-vehicle communication, damage to electronic devices, and failure to use them again
Active Publication Date: 2021-07-20
GM GLOBAL TECH OPERATIONS LLC
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Problems solved by technology
[0003] Depending on the nature and severity of the crash, some vehicle electronics may be damaged and rendered unusable
For example, due to damage caused by a crash, in-vehicle communications via the vehicle bus may be interrupted and disabled, preventing any notification of the crash from the sensing module to the wireless communication module, and thus the usual notification from the vehicle to the remote Data or Call Center Collision
Method used
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[0009] The systems and methods described below enable a vehicle to automatically detect a (inferred) vehicle collision as a secondary detection technique in the event that a sensor-based primary collision sensing module fails to detect or report a vehicle collision. The method performed by the disclosed system generally includes monitoring a vehicle communication bus for messages indicative of proper operation of the communication bus or of a vehicle system module (VSM) operating on the bus, detecting a loss of a bus message indicative of a communication failure on the bus , determine that the vehicle has experienced an acceleration indicative of a vehicle collision, and based on the detection of a communication failure on the bus and the acceleration indicative of the collision, place a call or otherwise initiate to a remote facility such as a call center or Public Safety Answering Station (PSAP) ) communications to report vehicle accidents.
[0010] now refer to figure 1 , ...
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A vehicle telematics device for a vehicle includes an electronic processor, a wireless chipset for wireless communication to and from the vehicle, and a bus interface for receiving bus messages from a communication bus in the vehicle. The vehicle telematics device includes a computer readable memory storing program code that, when executed by the processor, causes the vehicle telematics device to: (a) monitor messages received from the communication bus by the bus interface; (b) based on monitoring to detect a communication failure of the communication bus; (c) determining vehicle movement indicative of a vehicle collision; and (d) initiating communication with the remote facility in response to detection of the communication failure and determination of vehicle movement indicative of the collision.
Description
technical field [0001] The present disclosure relates to methods and systems for secondary detection of vehicle collisions that may be used in addition to or instead of direct collision sensor systems on vehicles. Background technique [0002] Most passenger vehicles designed for use on public roads include crash sensing systems that are used to deploy crash mitigation safety equipment such as air bags and to remotely report such events; for example, to provide emergency services if necessary And notify emergency personnel in time. Those systems for remote crash reporting typically rely on an on-board crash sensing module for crash detection and an on-board wireless communication module to receive and transmit crash notifications from the sensing modules to remote data and / or call centers. [0003] Depending on the nature and severity of the crash, some vehicle electronics may be damaged and rendered useless. For example, due to damage caused by a crash, in-vehicle communi...
Claims
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IPC IPC(8): H04L29/08H04L12/24B60R21/0132
CPCH04W76/10B60R21/0132H04L41/06H04L67/12H04L67/141H04L43/0811H04L43/10G08B25/016G08B25/08G01S5/0027G08B25/10G01S19/17G01S19/52H04L12/40H04L43/0847B60R21/00H04L2012/40273B60R2021/0027
Inventor E·T·霍西A·J·麦克唐纳C·L·哈尔S·R·克罗伊里
Owner GM GLOBAL TECH OPERATIONS LLC