Reducing cognitive demand on a vehicle operator by generating passenger stimulus

• US 9,771,082 B2
• Filed: 08/13/2015
• Issued: 09/26/2017
• Est. Priority Date: 08/13/2015
• Status: Active Grant

• Current Assignee: International Business Machines Corporation
• Original Assignee: International Business Machines Corporation
• Inventors: Farrell, Robert G., Kanevsky, Dimitri, Sainath, Tara N.
• Primary Examiner(s): Sample, Jonathan L
• Application Number:
  US14/825,697
• Publication Number:
  US 20170043782A1
• Time in Patent Office: 775 Days
• CPC Class Codes: B60W 2040/0881 Seat occupation; Driver or passenger presence
• CPC Class Codes: B60W 2540/043 Identity of occupants
• CPC Class Codes: B60W 2540/22 Psychological state; Stress level or workload
• CPC Class Codes: B60W 2552/00 Input parameters relating to infrastructure
• 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 2554/406 Traffic density
• CPC Class Codes: B60W 2555/20 Ambient conditions, e.g. wind or rain
• CPC Class Codes: B60W 2556/45 External transmission of data to or from the vehicle
• CPC Class Codes: B60W 2556/55 using telemetry
• CPC Class Codes: B60W 40/08 related to drivers or passengers

Abstract

A method for reducing cognitive demand on a vehicle operator comprises detecting one or more passengers in a vehicle in addition to the vehicle operator, determining an acceptable level of cognitive demand on the vehicle operator corresponding to an operating environment, determining an existing level of cognitive demand on the vehicle operator in the operating environment, determining whether the existing level of cognitive demand is greater than the acceptable level of cognitive demand, and wherein, if the existing level of cognitive demand is greater than the acceptable level of cognitive demand, generating a stimulus directed to the one or more passengers in order to reduce the existing level of cognitive demand on the vehicle operator.

Claims

1. A method for reducing cognitive demand on a vehicle operator, comprising:

detecting one or more passengers in a vehicle in addition to the vehicle operator;

determining a threshold level of cognitive demand on the vehicle operator corresponding to an operating environment;

determining an existing level of cognitive demand on the vehicle operator in the operating environment, wherein the existing level of cognitive demand is attributable at least in part to an activity of the one or more passengers;

determining whether the existing level of cognitive demand is greater than the threshold level of cognitive demand; and

wherein, if the existing level of cognitive demand is greater than the threshold level of cognitive demand, generating a stimulus comprising at least one of a video presentation and an audio presentation directed to the one or more passengers in order to hold the attention of the one or more passengers, so as to prevent the one or more passengers from distracting the vehicle operator and to reduce the existing level of cognitive demand on the vehicle operator attributed to the one or more passengers;

wherein the detecting, determining and generating steps are performed by a computer system comprising a memory and at least one processor coupled to the memory.

2. The method according to claim 1, wherein generating the stimulus comprises at least one of electronically generating an audio stimulus, electronically generating a visual stimulus and electronically generating a physical stimulus.

3. The method according to claim 1, wherein determining the existing level of cognitive demand on the vehicle operator comprises sensing a characteristic of or in the vehicle and computing the existing level of cognitive demand based on the sensed characteristic.

4. The method according to claim 3, wherein the sensed characteristic includes at least one of a speed of the vehicle, a direction of the vehicle, a location of the vehicle, a number of the one or more passengers in the vehicle, a volume level of audio playing in the vehicle, and the activity of the one or more passengers in the vehicle.

5. The method according to claim 1, wherein determining the existing level of cognitive demand on the vehicle operator comprises gathering data using one or more sources external to the vehicle and computing the existing level of cognitive demand based on the gathered data.

6. The method according to claim 5, wherein the gathered data includes at least one of a traffic condition, a road condition or a weather condition.

7. The method according to claim 1, wherein determining the existing level of cognitive demand on the vehicle operator comprises computing the existing level of cognitive demand based on inputted data.

8. The method according to claim 7, wherein the inputted data includes at least one of profile data of the vehicle operator, profile data of the one or more passengers, a make of the vehicle, a model of the vehicle, and a typical number of passengers in the vehicle at a given time.

9. The method according to claim 1, wherein determining the threshold level of cognitive demand on the vehicle operator comprises computing the threshold level of cognitive demand based on at least one of profile data of the vehicle operator, and a condition of the operating environment.

10. The method according to claim 9, wherein the profile data of the vehicle operator comprises at least one of an age, a gender, historical operating data, and a number of years of operating experience of the vehicle operator.

11. The method according to claim 9, wherein condition of the operating environment comprises at least one of a traffic condition, a road condition or a weather condition.

12. The method according to claim 1, wherein determining an existing level of cognitive demand on the vehicle operator comprises measuring a brain activity level of the vehicle operator, and converting the measured brain activity level into the existing level of cognitive demand on the vehicle operator.

13. The method according to claim 1, wherein generating the stimulus directed to the one or more passengers comprises:

determining at least one of a number and a configuration of the one more passengers in the vehicle;

determining an amount of the existing level of cognitive demand attributable to the activity of the one or more passengers; and

determining the stimulus sufficient to reduce the existing level of cognitive demand on the vehicle operator to at least the threshold level of cognitive demand.

14. The method according to claim 1, wherein generating the stimulus directed to the one or more passengers comprises determining a stimulus type based on profile data of the one or more passengers.

15. A system for reducing cognitive demand on a vehicle operator, comprising:

a memory and at least one processor coupled to the memory;

one or more sensors, executed via the at least one processor, configured for detecting one or more passengers in a vehicle in addition to the vehicle operator; and

an engagement component, executed via the at least one processor and operatively coupled to the one or more sensors, wherein the engagement component is configured for;

determining an a threshold level of cognitive demand on the vehicle operator corresponding to an operating environment;

determining an existing level of cognitive demand on the vehicle operator in the operating environment, wherein the existing level of cognitive demand is attributable at least in part to an activity of the one or more passengers;

determining whether the existing level of cognitive demand is greater than the threshold level of cognitive demand; and

generating a stimulus comprising at least one of a video and an audio presentation directed to the one or more passengers in order to hold the attention of the one or more passengers, so as to prevent the one or more passengers from distracting the vehicle operator and to reduce the existing level of cognitive demand on the vehicle operator attributed to the one or more passengers, if the existing level of cognitive demand is greater than the threshold level of cognitive demand.

16. The system according to claim 15, wherein the engagement component at least one of electronically generates an audio stimulus, electronically generates a visual stimulus and electronically generates a physical stimulus.

17. The system according to claim 15, wherein:

the one or more sensors are configured for sensing a characteristic of or in the vehicle; and

the engagement component is configured for computing the existing level of cognitive demand based on the sensed characteristic.

18. The system according to claim 15, wherein the engagement component is configured for:

gathering data using one or more sources external to the vehicle; and

computing the existing level of cognitive demand based on the gathered data.

19. The system according to claim 15, wherein the engagement component is configured for:

determining, based on input from the one or more sensors, at least one of a number and a configuration of the one more passengers in the vehicle;

determining, based on the input from the one or more sensors, an amount of the existing level of cognitive demand attributable to the activity of the one or more passengers; and

determining the stimulus sufficient to reduce the existing level of cognitive demand on the vehicle operator to at least the threshold level of cognitive demand.

20. A computer program product for reducing cognitive demand on a vehicle operator, the computer program product comprising a computer readable storage medium having program instructions embodied therewith, the program instructions executable by a processor to cause the processor to perform a method comprising:

detecting one or more passengers in a vehicle in addition to the vehicle operator;

determining an a threshold level of cognitive demand on the vehicle operator corresponding to an operating environment;

determining an existing level of cognitive demand on the vehicle operator in the operating environment, wherein the existing level of cognitive demand is attributable at least in part to an activity of the one or more passengers;

determining whether the existing level of cognitive demand is greater than the threshold level of cognitive demand; and

wherein, if the existing level of cognitive demand is greater than the threshold level of cognitive demand, generating a stimulus comprising at least one of a video and an audio presentation directed to the one or more passengers in order to hold the attention of the one or more passengers, so as to prevent the one or more passengers from distracting the vehicle operator and to reduce the existing level of cognitive demand on the vehicle operator attributed to the one or more passengers.