IP Library › Granted Patent US 11,878,709
Granted Patent B2
US 11,878,709 · App. 17/471,100 · Granted Jan 23, 2024

Subconscious big picture macro and split second micro decisions ADAS

Inventors: Rohit Gupta (Santa Clara, CA); Ziran Wang (San Jose, CA); Kyungtae Han (Palo Alto, CA); Prashant Tiwari (Santa Clara, CA)
Assignee: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
B60W50/16B60W30/0956B60W30/146B60W40/04B60W40/08B60W40/105B60W50/12B60W2040/0818B60W2050/143B60W2540/229
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Quick Facts
Patent No.
US 11,878,709
App. No.
17/471,100
Granted
Jan 23, 2024
Kind
B2
Abstract

Methods, vehicles, and systems described herein generate alerts based on a generated macro state level indicative of a traffic hazard risk in view of a set of parameters which may lead driver to make various sub-conscious decisions. The set of parameters can include at least one of a vehicle parameter, driver state parameter, or external parameter.

Claims (32)

1. A computer implemented method for determination of a macro state level of a vehicle, the method comprising:

receiving one or more values for a parameter set, the parameter set comprising a vehicle parameter, wherein the vehicle parameter comprises non-maneuvering vehicle characteristics;

generating the macro state level indicative of a traffic hazard risk based on the received one or more values, wherein the macro state level corresponds to a driver subconscious decision; and

generating an alert based on the macro state level.

2. The method of claim 1 , further comprising, generating a control signal for a vehicle based on the macro state level.

3. The method of claim 2 , wherein the control signal for the vehicle prevents control of the vehicle by a driver.

4. The method of claim 3 , wherein the control signal for the vehicle adjusts the alert based on an autonomy level of the vehicle.

5. The method of claim 2 , further comprising: detecting, by a perception system, a micro state level indicative of an immediate hazard requiring a short term vehicle maneuver, and wherein the generated control signal is configured to disable control of the vehicle in response to detection of the micro state level.

6. The method of claim 2 , further comprising:

updating the one or more values for the parameter set and the macro state level; and

generating the control signal only after escalation of the macro state level.

7. The method of claim 2 , wherein the control signal for the vehicle is a maximum speed for the vehicle, and where the maximum speed depends on a value for the one or more parameters.

8. The method of claim 2 , further comprising, updating the one or more values for the parameter set based on an outcome of performing a vehicle maneuver according to the control signal.

9. The method of claim 1 , further comprising, comparing the received one or more value for the parameter set to a dataset, and generating the macro state level based on the comparison.

10. The method of claim 1 , wherein the parameter set includes the vehicle parameter comprising a value for an autonomy level of the vehicle.

11. The method of claim 1 , wherein the parameter set further comprises external parameter, driver state parameter, and a time of day parameter.

12. The method of claim 1 , wherein the vehicle parameter further comprises driving vehicle characteristics.

13. The method of claim 1 , wherein the non-maneuvering vehicle characteristics comprise vehicle age, vehicle color, vehicle size, and aspects of vehicle system, including tire pressure, brake pad depth, liquids level, suspension, engine, safety equipment, battery condition.

14. A vehicle, comprising:

a memory storing machine-executable instructions; and

a processor configured to access the memory and execute the machine-executable instructions to:

receive one or more values for a parameter set, the parameter set comprising a vehicle parameter, wherein the vehicle parameter comprises non-maneuvering vehicle characteristics and the parameters of the parameter set are indicative of parameters which may lead a driver to make various sub-conscious decisions;

generate a macro state level based on the received one or more values for the parameter set, wherein the macro state level is indicative of a traffic hazard risk in view of the set of the parameters which may lead the driver to make various sub-conscious decisions;

generate an alert based on the macro state level.

15. The vehicle of claim 14 , wherein the processor is configured to access the memory and execute the machine-executable instructions to generate a control signal for a vehicle based on the macro state level.

16. The vehicle of claim 15 , wherein the control signal for the vehicle is configured to prevent control of the vehicle by a driver.

17. The vehicle of claim 16 , wherein the control signal for the vehicle is configured to adjust the alert based on an autonomy level of the vehicle.

18. The vehicle of claim 15 , wherein the processor is configured to access the memory and execute the machine-executable instructions to detect, by a perception system, a micro state level indicative of at least one of a driver distraction or an immediate hazard requiring a short term vehicle maneuver, and wherein the generated control signal is configured to disable control of the vehicle in response to detection of the micro state level.

19. The vehicle of claim 15 , wherein the processor is configured to access the memory and execute the machine-executable instructions to:

update the one or more values for the parameter set and the macro state level; and

generate the control signal only after escalation of the macro state level.

20. The vehicle of claim 15 , wherein the control signal for the vehicle is a maximum speed for the vehicle, and where the maximum speed depends on a value for the one or more parameters.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 7, 2024
From: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
To: TOYOTA JIDOSHA KABUSHIKI KAISHA
Reel/Frame 066411/0903 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 9, 2021
From: GUPTA, ROHIT; WANG, ZIRAN; HAN, KYUNGTAE; TIWARI, PRASHANT
To: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
Reel/Frame 057439/0221 →
Continuity (1)
Related Publication 20230074573A1 · Mar 9, 2023