# US 10,479,371 B1 · Apparatus and method for determining driver distraction based on jerk and vehicle system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,479,371 B1 - Document ID: US10479371B1 - Status: Granted - Kind: B1 - Application number: 16/167,776 - Filed: 2018-10-23 - Granted: 2019-11-19 - Earliest claimed: 2018-07-19 - Assignees: Hyundai Motor Company; Kia Motors Corporation - Applicants: Hyundai Motor Company; Kia Motors Corporation - Inventors: Jin Kwon Kim; Sam Yong Kim; Yu Jin Yun; Seong Sook Ryu; Hwal Ly Lee; Byoung Joon Lee - Web page: https://patentgrep.com/patent/US10479371B1 ## CPC - B60W 40/08: related to drivers or passengers - B60W 40/09: Driving style or behaviour - B60W 40/109: Lateral acceleration - B60W 50/14: Means for informing the driver, warning the driver or prompting a driver intervention - B60W 2040/0818: {Inactivity or incapacity of driver} - B60W 2050/0052: {Filtering, filters} - B60W 2050/143: {Alarm means} - B60W 2400/00: Indexing codes relating to detected, measured or calculated conditions or factors - B60W 2420/403: Image sensing, e.g. optical camera - B60W 2520/105: Longitudinal acceleration - B60W 2520/125: Lateral acceleration - B60W 2540/18: Steering angle - B60W 2552/35: Road bumpiness, e.g. potholes - B60W: CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT ## Abstract An apparatus and method for determining driver distraction based on a jerk and a vehicle system are provided. The apparatus includes: a jerk calculating processor to calculate a lateral jerk of a vehicle based on driving information collected when the vehicle is traveling, an exception event detecting processor to detect an exception event defining a situation where the lateral jerk occurs during normal driving based on the collected driving information, and a determining processor to detect oversteering of the vehicle by comparing the calculated lateral jerk with a reference value and determine a driver distraction based on the detected oversteering and exception event. ## Claims ### Claim 1 An apparatus for determining driver distraction based on a jerk, the apparatus comprising: a jerk calculating processor configured to calculate a lateral jerk of a vehicle based on driving information collected when the vehicle is traveling; an exception event detecting processor configured to detect an exception event defining a situation where the lateral jerk occurs during normal driving, based on the collected driving information; and a determining processor configured to detect oversteering of the vehicle by comparing the calculated lateral jerk with a reference value and to determine a driver distraction based on the detected oversteering and exception event, wherein the driving information comprises a lateral acceleration, and the jerk calculation processor is configured to: calculate a difference value between a first low frequency signal of the lateral acceleration at a first predetermined time and a second low frequency signal of the lateral acceleration at a second predetermined time, divide the difference value by a sampling time, and calculate the lateral jerk therefrom. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the determining processor is configured to: compare a lateral jerk calculated at a specific time with a first reference value; and determine the oversteering when the lateral jerk calculated at the specific time is greater than the first reference value. ### Claim 3 (depends on 1) The apparatus of claim 1, wherein the determining processor is configured to: compare a lateral jerk cumulatively calculated during a predetermined time period with a second reference value; and determine the oversteering when the cumulatively calculated lateral jerk is greater than the second reference value. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein the determining processor is configured to: determine the driver distraction, when the oversteering is detected and when the exception event is not detected. ### Claim 5 (depends on 1) The apparatus of claim 1, wherein the jerk calculating processor is configured to: calculate the lateral jerk based on a low frequency signal of the lateral acceleration. ### Claim 6 (depends on 1) The apparatus of claim 1, wherein the exception event comprises at least one of a road pavement fault event, a curved road driving event, or a lane change event. ### Claim 7 (depends on 6) The apparatus of claim 6, wherein the driving information comprises at least one of a lateral acceleration or a longitudinal acceleration, and wherein the exception event detecting processor is configured to: detect the road pavement fault event based on a level of a high frequency signal of the lateral acceleration or the longitudinal acceleration. ### Claim 8 (depends on 7) The apparatus of claim 7, wherein the exception event detecting processor is configured to: determine the road pavement fault event when a high frequency component which is equal to or greater than a predetermined level is detected within a predetermined time period. ### Claim 9 (depends on 6) The apparatus of claim 6, wherein the driving information comprises at least one of a steering angle or a vehicle speed, and wherein the exception event detecting processor is configured to: analyze a lateral behavior of the vehicle based on the steering angle and the vehicle speed; and determined the curved road driving event, when a lateral velocity is maintained over a predetermined time. ### Claim 10 (depends on 6) The apparatus of claim 6, wherein the driving information comprises at least one of a steering angle or a vehicle speed, and wherein the exception event detecting processor is configured to: analyze a lateral behavior of the vehicle based on the steering angle and the vehicle speed; and determine the lane change event, when a lateral displacement corresponding to a lane width occurs. ### Claim 11 (depends on 6) The apparatus of claim 6, wherein the driving information comprises front image recognition information of the vehicle, and wherein the exception event detecting processor is configured to: determine at least one of the curved road driving event, or the lane change event based on the front image recognition information. ### Claim 12 (depends on 1) The apparatus of claim 1, further comprising: an alarm controller configured to output an alarm signal, when the driver distraction is determined. ### Claim 13 A method for determining driver distraction based on a jerk, the method comprising: calculating, a jerk calculating processor, a lateral jerk of a vehicle based on driving information collected when the vehicle is traveling; detecting, by an exception event detecting processor, an exception event defining a situation where the lateral jerk occurs during normal driving, based on the collected driving information; and detecting, by a determining processor, oversteering of the vehicle by comparing the calculated lateral jerk with a reference value and determining a driver distraction based on the detected oversteering and the exception event, wherein the driving information comprises a lateral acceleration, and wherein calculating the lateral jerk includes: calculating a difference value between a first low frequency signal of the lateral acceleration at a first predetermined time and a second low frequency signal of the lateral acceleration at a second predetermined time, and dividing the difference value by a sampling time. ### Claim 14 (depends on 13) The method of claim 13, wherein the determining the driver distraction comprises: comparing a lateral jerk calculated at a specific time with a first reference value; and determining the oversteering, when the lateral jerk calculated at the specific time is greater than the first reference value. ### Claim 15 (depends on 13) The method of claim 13, wherein the determining the driver distraction comprises: comparing a lateral jerk cumulatively calculated during a predetermined time period with a second reference value; and determining the oversteering, when the cumulatively calculated lateral jerk is greater than the second reference value. ### Claim 16 (depends on 13) The method of claim 13, wherein the determining the driver distraction comprises: determining the driver distraction, when the oversteering is detected and when the exception event is not detected. ### Claim 17 (depends on 13) The method of claim 13, wherein the exception event comprises at least one of a road pavement fault event, a curved road driving event, or a lane change event. ### Claim 18 A vehicle system, comprising: a sensor configured to detect driving information when a vehicle is traveling; and a driver distraction determination apparatus configured to: calculate a lateral jerk of the vehicle based on the driving information detected by the sensor, detect an exception event defining a situation where the lateral jerk occurs during normal driving, based on the driving information, detect oversteering of the vehicle by comparing the calculated lateral jerk with a reference value, and determine a driver distraction based on the detected oversteering and exception event, wherein the driving information comprises a lateral acceleration, and wherein the driver distraction determination apparatus is configured to: calculate a difference value between a first low frequency signal of the lateral acceleration at a first predetermined time and a second low frequency signal of the lateral acceleration at a second predetermined time, divide the difference value by a sampling time, and calculate the lateral jerk therefrom.