Apparatus and method for controlling driving of vehicle based on driver's fatigue

• US 9,457,814 B2
• Filed: 12/02/2014
• Issued: 10/04/2016
• Est. Priority Date: 04/04/2014
• Status: Active Grant

• Current Assignee: Hyundai Motor Company (Hyundai Motor Group)
• Original Assignee: Hyundai Motor Company (Hyundai Motor Group)
• Inventors: Kim, Seon Su, Park, Seung-Chang
• Primary Examiner(s): Jabr, Fadey
• Assistant Examiner(s): SOOFI, YAZAN A
• Application Number:
  US14/558,311
• Publication Number:
  US 20150285653A1
• Time in Patent Office: 672 Days
• Field of Search: 701/423
• US Class Current: 1/1
• CPC Class Codes: A61B 5/0205 Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
• CPC Class Codes: A61B 5/021 Measuring pressure in heart or blood vessels A61B5/0205 takes precedence
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: A61B 5/18 for vehicle drivers or machine operators
• CPC Class Codes: A61B 5/4005 for evaluating the sensory system A61B5/12, A61B5/4058 take precedence
• CPC Class Codes: A61B 5/6803 Head-worn items, e.g. helmets, masks, headphones or goggles
• CPC Class Codes: A61B 5/681 Wristwatch-type devices
• CPC Class Codes: A61B 5/6893 Cars
• CPC Class Codes: B60W 2040/0827 due to sleepiness
• CPC Class Codes: B60W 2050/0075 Automatic parameter input, automatic initialising or calibrating means
• CPC Class Codes: B60W 2050/0088 Adaptive recalibration
• CPC Class Codes: B60W 2540/22 Psychological state; Stress level or workload
• CPC Class Codes: B60W 2540/221 Physiology, e.g. weight, heartbeat, health or special needs
• CPC Class Codes: B60W 2540/26 Incapacity
• CPC Class Codes: B60W 2552/00 Input parameters relating to infrastructure
• CPC Class Codes: B60W 2552/05 Type of road, e.g. motorways, local streets, paved or unpaved roads
• CPC Class Codes: B60W 2552/15 Road slope, i.e. the inclination of a road segment in the longitudinal direction
• CPC Class Codes: B60W 2552/30 Road curve radius
• CPC Class Codes: B60W 2552/35 Road bumpiness, e.g. potholes
• CPC Class Codes: B60W 2554/00 Input parameters relating to objects
• CPC Class Codes: B60W 2555/20 : Ambient conditions, e.g. wind or rain
• CPC Class Codes: B60W 40/04 : Traffic conditions
• CPC Class Codes: B60W 40/06 : Road conditions
• CPC Class Codes: B60W 40/08 : related to drivers or passengers
• CPC Class Codes: B60W 50/0097 : Predicting future conditions
• CPC Class Codes: B60W 50/085 : Changing the parameters of the control units, e.g. changing limit values, working points by control input
• CPC Class Codes: G01C 21/34 : Route searching; Route guidance
• CPC Class Codes: Y02T 10/84 : Data processing systems or methods, management, administration

Abstract

An apparatus for controlling driving a vehicle based on driver'"'"'s fatigue includes a first information collector to collect biological information of a driver, a second information collector collect road condition information, a route calculator configured to calculate a desired route from a current position of the vehicle to a destination, a fatigue index calculator to divide a route, and to calculate a fatigue index for each section, a predicted fatigue index calculator to calculate a predicted fatigue index corresponding to the desired route, and a function provider configured to calculate a compensation value according to the predicted fatigue index, and to calculate a final operation value.

Claims

1. An apparatus for controlling driving of a vehicle based on driver'"'"'s fatigue, comprising:

a first information collector configured to collect biological information of a driver;

a second information collector configured to collect road condition information including a road state and a road shape;

a route calculator configured to calculate a desired route from a current position of the vehicle to a destination;

a fatigue index calculator configured to divide a route on which the vehicle has traveled into a plurality of sections, and to calculate a fatigue index for each section using the biological information, and to correct the fatigue index using the road condition information;

a predicted fatigue index calculator configured to calculate a predicted fatigue index corresponding to the desired route using the corrected fatigue index when the desired route is calculated; and

a function provider configured to calculate a compensation value according to the predicted fatigue index, and to calculate a final operation value by applying the compensation value to a basic operation value, which is a reference for performing a driver assistance function, and to perform the driver assistance function based on the final operation value to the driver,

wherein the biological information includes information regarding blood glucose, blood pressure, and a view of the driver, and the predicted fatigue index includes a predicted blood glucose index, a predicted blood pressure index, and a predicted view index, and

wherein the function provider calculates the compensation value (Δ

T) from the equation

2. The apparatus of claim 1, wherein the second information collector collects environment information including information regarding fog, rain, snow, and an accident or not, and the function provider corrects the final operation value using the environment information.

3. A method for controlling driving of a vehicle based on driver'"'"'s fatigue, comprising:

collecting biological information of a driver and road condition information including a road state and a road shape;

dividing a route on which the vehicle has traveled into a plurality of sections and calculating a fatigue index for each section using the biological information;

correcting the fatigue index using the road condition information;

when a desired route is calculated, calculating a predicted fatigue index corresponding to the desired route using the corrected fatigue index and calculating a compensation value according to the predicted fatigue index;

calculating a final operation value by applying the compensation value to a basic operation value which is a reference for performing a driver assistance function; and

performing the driver assistance function according to the final operation value to the driver,

wherein the biological information includes information regarding blood glucose, blood pressure, and a view of the driver, and the predicted fatigue index includes a predicted blood glucose index, a predicted blood pressure index, and a predicted view index, and

wherein the compensation value (Δ

T) is calculated from the equation

4. The method of claim 3, further comprising:

collecting environment information including information regarding fog, rain, snow, and an accident or not; and

correcting the final operation value using the environment information.