Apparatus and method for door control

Patent metadata

Field	Value
Publication number	US-11952823-B2
Application number	US-202217994916-A
Country	US
Kind code	B2
Filing date	Nov 28, 2022
Priority date	Jan 14, 2020
Publication date	Apr 9, 2024
Grant date	Apr 9, 2024

Abstract

In example implementations, a method is provided. The method includes determining, by a processor, that a vehicle is approaching a door of a building based on a velocity vector of the vehicle, calculating, by the processor, a time of arrival of the vehicle at the door based on the velocity vector of the vehicle and a distance of the vehicle from the door, and controlling, by the processor, the door to begin opening at a time based on the time of arrival and an amount of time for the door to open such that the door is opened when the vehicle arrives at the door.

First claim

The invention claimed is:

1. A method, comprising:
determining, by a processor, that a vehicle is approaching a door of a building based on a velocity vector of the vehicle, wherein the velocity vector is calculated based on data received from at least one sensor, wherein the determining is performed when the vehicle is determined to be within a virtual lane associated with the door;
calculating, by the processor, a time of arrival of the vehicle at the door based on the velocity vector of the vehicle and a distance of the vehicle from the door; and
controlling, by the processor, the door to begin opening at a time based on the time of arrival and an amount of time for the door to open such that the door is opened when the vehicle arrives at the door.

2. The method of claim 1 , wherein the virtual lane is associated with a predefined route.

3. The method of claim 1 , further comprising:
determining, by the processor, that vehicle information associated with the vehicle is authorized to exit through the door before controlling the door to begin opening.

4. The method of claim 3 , wherein the vehicle information is received from a radio frequency (RF) tag reader that reads an RF tag located on the vehicle.

5. The method of claim 1 , wherein the velocity vector comprises a velocity and a direction of the vehicle.

6. The method of claim 1 , wherein the at least one sensor comprises a laser on the vehicle to measure time of flight.

7. The method of claim 1 , wherein the at least one sensor comprises a sensor located in a fixed location within the building and a tag located on the vehicle, wherein the data comprises time of flight measurements using a ultra-wide band (UWB) protocol.

8. The method of claim 1 , wherein the at least one sensor performs a transit time methodology versus measurements of signal strength to calculate the velocity vector.

9. The method of claim 1 , wherein the data comprises image data received from the at least one sensor.

10. A system, comprising:
a door located in a building;
a motor to control operation of the door;
a controller communicatively coupled to the motor to control operation of the motor to open and close the door; and
at least one sensor communicatively coupled to the controller to collect movement data of a vehicle, wherein the controller is to begin calculating a velocity vector of the vehicle when the vehicle is determined to be within a virtual lane associated with the door, wherein the velocity vector of the vehicle is calculated based on the movement data and the controller is to cause the motor to begin opening the door at a time based on a time of arrival of the vehicle at the door that is calculated from the velocity vector and a distance of the vehicle from the door, and based on an amount of time for the door to open such that the door is opened when the vehicle arrives at the door.

11. The system of claim 10 , wherein the at least one sensor comprises a laser on the vehicle to measure time of flight.

12. The system of claim 10 , wherein the at least one sensor comprises a sensor located in a fixed location within the building and a tag located on the vehicle, wherein the movement data comprises time of flight measurements using a ultra-wide band (UWB) protocol.

13. The system of claim 12 , wherein the tag comprises a radio frequency (RF) tag located on the vehicle.

14. The system of claim 13 , further comprising:
an RF tag reader to read the RF tag located on the vehicle.

15. The system of claim 14 , wherein the RF tag contains vehicle information to determine whether the vehicle is authorized to exit through the door.

16. The system of claim 10 , wherein the at least one sensor further comprises an image capturing device to capture image data of the vehicle, wherein the movement information is calculated based on analysis of the image data.

17. A non-transitory computer readable storage medium encoded with instructions executable by a processor, the non-transitory computer-readable storage medium comprising:
instructions to determine that a vehicle is in a virtual lane associated with a door of a building;
instructions to activate a controller to calculate a velocity vector of the vehicle, wherein the velocity vector is calculated based on data received from at least one sensor;
instructions to determine that the vehicle is approaching the door;
instructions to calculate a time of arrival of the vehicle at the door based on the velocity vector of the vehicle and a distance of the vehicle from the door; and
instructions to control the door to begin opening at a time based on the time of arrival and an amount of time for the door to open such that the door is opened when the vehicle arrives at the door.

18. The non-transitory computer readable storage medium of claim 17 , wherein the at least one sensor comprises a laser on the vehicle to measure time of flight.

19. The non-transitory computer readable storage medium of claim 17 , wherein the at least one sensor comprises a sensor located in a fixed location within the building and a tag located on the vehicle, wherein the data comprises time of flight measurements using a ultra-wide band (UWB) protocol.

20. The non-transitory computer readable storage medium of claim 17 , wherein the data comprises image data received from the at least one sensor.

Assignees

• Cornellcookson Llc

Inventors

• Wu Zhizhuo
• Carroll Ryan

Classifications

• E05F15/73 Primary

  responsive to movement or presence of persons or objects · CPC title

• E01F13/04

  movable to allow or prevent passage {(E01F13/12, E01F15/12 take precedence; removing part of barrier for occasional passage E01F13/024; gates for allowing passage through fences E06B11/02)} · CPC title

• E06B9/68

  Operating devices or mechanisms, e.g. with electric drive · CPC title

• G07C9/00174

  Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys (mechanical locks with electric permutation E05B49/00; arrangements for sensing or reading record carriers G06K7/00; electronic switching H03K17/00) · CPC title

• G07C9/10

  Movable barriers with registering means · CPC title