Self-driving vehicle systems and methods

• US 10,493,952 B1
• Filed: 07/28/2019
• Issued: 12/03/2019
• Est. Priority Date: 03/21/2019
• Status: Active Grant

• Current Assignee: Drivent LLC
• Original Assignee: Drivent LLC
• Inventors: Schwie, Wesley Edward, Wengreen, Eric John
• Primary Examiner(s): Hunnings, Travis R
• Application Number:
  US16/524,108
• Time in Patent Office: 128 Days
• CPC Class Codes: B60K 2360/146 Instrument input by gesture
• CPC Class Codes: B60K 2360/148 Instrument input by voice
• CPC Class Codes: B60K 2360/1523 Matrix displays
• CPC Class Codes: B60K 2360/178 Warnings
• CPC Class Codes: B60K 2360/21 using cameras
• CPC Class Codes: B60K 35/00 Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
• CPC Class Codes: B60K 35/10 Input arrangements, i.e. from user to vehicle, associated with vehicle functions or specially adapted therefor
• CPC Class Codes: B60K 35/22 Display screens
• CPC Class Codes: B60K 35/26 using acoustic output
• CPC Class Codes: B60K 35/28 characterised by the type of the output information, e.g. video entertainment or vehicle dynamics information; characterised by the purpose of the output information, e.g. for attracting the attention of the driver
• CPC Class Codes: B60Q 3/80 Circuits; Control arrangements for dashboards B60Q3/16; for mass transit vehicles B60Q3/47
• CPC Class Codes: B60Q 5/005 automatically actuated
• CPC Class Codes: B60Q 9/00 Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00 , e.g. haptic signalling
• CPC Class Codes: B60R 25/01 operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
• CPC Class Codes: E05B 77/54 Automatic securing or unlocking of bolts triggered by certain vehicle parameters, e.g. exceeding a speed threshold triggered by vehicle collision E05B77/12
• CPC Class Codes: E05B 81/56 Control of actuators
• CPC Class Codes: E05F 15/40 Safety devices, e.g. detection of obstructions or end positions
• CPC Class Codes: E05F 15/72 responsive to emergency conditions, e.g. fire
• CPC Class Codes: E05Y 2201/426 for the initial opening movement
• CPC Class Codes: E05Y 2400/30 of motors
• CPC Class Codes: E05Y 2800/252 : the elements functioning only in case of emergency
• CPC Class Codes: E05Y 2800/42 : against smoke or gas
• CPC Class Codes: E05Y 2900/531 : Doors
• CPC Class Codes: E05Y 2900/55 : Windows
• CPC Class Codes: G05D 1/0088 : characterized by the autonomous decision making process, e.g. artificial intelligence, predefined behaviours using knowledge based models G06N5/00
• CPC Class Codes: G08B 17/10 : Actuation by presence of smoke or gases , e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
• CPC Class Codes: G08B 21/06 : indicating a condition of sleep, e.g. anti-dozing alarms
• CPC Class Codes: G08B 25/08 : using communication transmission lines G08B13/19658, G08B21/0286, G08B25/016 take precedence
• CPC Class Codes: G08B 3/10 : using electric transmission; using electromagnetic transmission

Abstract

A vehicle fire is an emergency in which seconds count. Each second saved until the rider exits the vehicle can significantly reduce the severity of injuries due to the fire. Accordingly, a safety system can include a self-driving vehicle configured to transport a rider, a vehicle management system configured to autonomously drive the self-driving vehicle, a seat coupled to the self-driving vehicle, and a seat belt configured to alternatively have a buckled state and an unbuckled state. In many embodiments, the safety system includes a smoke detection system coupled to the self-driving vehicle and configured to detect smoke inside a cabin of the self-driving vehicle.

Claims

1. A safety system comprising:

a self-driving vehicle;

a vehicle management system configured to autonomously drive the self-driving vehicle;

a smoke detection system coupled to the self-driving vehicle and configured to detect smoke inside a cabin of the self-driving vehicle, wherein the self-driving vehicle comprises a door and a door lock configured to impede opening the door; and

at least one processor and at least one memory having program instructions that when executed by the at least one processor are configured to cause the vehicle management system to unlock the door of the self-driving vehicle in response to the smoke detection system detecting the smoke inside the self-driving vehicle.

2. The safety system of claim 1, further comprising a speed detection system, wherein the program instructions are configured to cause the vehicle management system to automatically unlock the door in response to the smoke detection system detecting the smoke inside the self-driving vehicle and the speed detection system determining that the self-driving vehicle is moving at a first speed that is less than a first speed threshold.

3. The safety system of claim 1, wherein the self-driving vehicle comprises a motor configured to at least partially open the door, wherein the program instructions are configured to cause the motor to at least partially open the door in response to the smoke detection system detecting the smoke inside the self-driving vehicle.

4. The safety system of claim 3, further comprising a speed detection system, wherein the program instructions are configured to cause the vehicle management system to unlock the door in response to the smoke detection system detecting the smoke inside the self-driving vehicle and the speed detection system determining that the self-driving vehicle is moving at a first speed that is less than a first speed threshold, and

the program instructions are configured to cause the motor to at least partially open the door in response to the smoke detection system detecting the smoke inside the self-driving vehicle and the speed detection system determining that the self-driving vehicle is moving at a second speed that is less than a second speed threshold.

5. The safety system of claim 1, wherein the self-driving vehicle comprises a window and a motor configured to at least partially open the window, wherein the program instructions are configured to cause the motor to at least partially open the window in response to the smoke detection system detecting the smoke inside the self-driving vehicle.

6. The safety system of claim 1, wherein the smoke detection system is configured to detect a concentration of the smoke, and the program instructions are configured to cause the vehicle management system to automatically unlock the door of the self-driving vehicle in response to the smoke detection system detecting the smoke inside the self-driving vehicle and the safety system determining the concentration of the smoke is greater than a predetermined threshold.

7. The safety system of claim 1, wherein the smoke detection system is configured to detect a particle size of the smoke, and the vehicle management system is configured to unlock the door in response to the smoke detection system detecting the smoke inside the self-driving vehicle and the safety system determining the particle size is smaller than a predetermined threshold.

8. The safety system of claim 1, wherein the self-driving vehicle comprises a window and a motor configured to at least partially open the window, the smoke detection system is configured to detect a particle size of the smoke, the program instructions are configured to cause the vehicle management system to unlock the door in response to the safety system determining the particle size is smaller than a first predetermined threshold, and the program instructions are configured to cause the motor to at least partially open the window in response to the safety system determining the particle size is larger than a second predetermined threshold.

9. The safety system of claim 1, wherein the self-driving vehicle comprises a window and a motor configured to at least partially open the window, and the self-driving vehicle comprises an actuator configured to move the door lock to an unlocked state,

the smoke detection system comprises a camera and at least one of an ionization smoke detector and an optical smoke detector, wherein the camera is configured to take a picture showing at least a portion of the cabin, and

the program instructions are configured to cause the motor to at least partially open the window in response to the safety system determining that the picture shows the smoke, and the program instructions are configured to cause the actuator to move the door lock to the unlocked state in response to at least one of the ionization smoke detector and the optical smoke detector detecting the smoke inside the self-driving vehicle.

10. The safety system of claim 1, wherein the program instructions are configured to automatically unlock the door lock in response to the smoke detection system detecting the smoke inside the self-driving vehicle and the safety system receiving a verification input from a rider, wherein the verification input is configured to confirm a presence of the smoke in the self-driving vehicle.

11. The safety system of claim 10, wherein the self-driving vehicle comprises a display screen,

the program instructions are configured to receive the verification input from the rider via at least one of the display screen and a button pressed by the rider in response to a visual request shown on the display screen, and

in response to the smoke detection system detecting the smoke, the program instructions are configured to cause the display screen to emit the visual request for the rider to confirm the presence of the smoke.

12. The safety system of claim 10, wherein the self-driving vehicle comprises a microphone and a speaker,

the verification input comprises a verbal response received from the rider via the microphone in response to the program instructions causing the speaker to emit an audio request for the rider to confirm the presence of the smoke, and

in response to the smoke detection system detecting the smoke, the program instructions are configured to cause the speaker to emit the audio request.

13. The safety system of claim 10, wherein the self-driving vehicle comprises a camera, and the verification input comprises a gesture made by the rider and recorded by the camera.

14. The safety system of claim 10, wherein the verification input comprises a wireless communication transmitted from a remote computing device of the rider to the safety system.

15. The safety system of claim 1, wherein the self-driving vehicle comprises a speaker, and

in response to the smoke detection system detecting the smoke inside the self-driving vehicle, the program instructions are configured to cause the speaker to emit audio instructions, wherein the audio instructions are configured to alert a rider regarding the door being unlocked.

16. The safety system of claim 1, wherein the self-driving vehicle comprises a display screen, and

in response to the smoke detection system detecting the smoke inside the self-driving vehicle, the program instructions are configured to cause the display screen to show visual instructions to a rider, wherein the visual instructions are configured to alert the rider regarding the door being unlocked.

17. The safety system of claim 1, further comprising a temperature detection system coupled to the self-driving vehicle and configured to detect a temperature inside at least a portion of self-driving vehicle,

wherein the program instructions are configured to cause the vehicle management system to unlock the door in response to the smoke detection system detecting the smoke inside the self-driving vehicle and the temperature detection system detecting the temperature greater than a predetermined temperature threshold.

18. The safety system of claim 17, wherein the temperature detection system comprises a camera system configured to identify the smoke.

19. The safety system of claim 18, wherein the temperature is located within 24 inches of the smoke.

20. The safety system of claim 1, wherein the door comprises an unlocked state and a locked state, and the program instructions are configured to verify the door is in the unlocked state in response to the smoke detection system detecting the smoke inside the self-driving vehicle.

21. The safety system of claim 2, wherein the first speed threshold is less than 10 miles per hour.

22. The safety system of claim 2, wherein the first speed threshold is less than 30 miles per hour and greater than 1 mile per hour.

23. The safety system of claim 4, wherein the first speed threshold is less than 30 miles per hour and the second speed threshold is less than 15 miles per hour.

24. The safety system of claim 4, wherein the first speed threshold is less than 30 miles per hour, the first speed threshold is greater than 1 mile per hour, and the first speed threshold is greater than the second speed threshold.

25. The safety system of claim 1, wherein the self-driving vehicle comprises a speaker, and

in response to the smoke detection system detecting the smoke inside the self-driving vehicle, the program instructions are configured to cause the speaker to emit audio instructions, wherein the audio instructions are configured to alert a rider regarding the smoke.

26. The safety system of claim 1, wherein the self-driving vehicle comprises a display screen, and

in response to the smoke detection system detecting the smoke inside the self-driving vehicle, the program instructions are configured to cause the display screen to show visual instructions to a rider, wherein the visual instructions are configured to alert the rider regarding the smoke.