Method for operating a door actuator

Patent metadata

Field	Value
Publication number	US-12188289-B2
Application number	US-202217668112-A
Country	US
Kind code	B2
Filing date	Feb 9, 2022
Priority date	Feb 12, 2021
Publication date	Jan 7, 2025
Grant date	Jan 7, 2025

Abstract

A method for operating a door actuator of a door system, having at least one movable door leaf and having a control device, and having a sensor unit, configured to detect people in a region before the door system, and transmits information about the people to the control device, includes at least the following steps:
detecting a first person and, calculating the probable arrival time thereof at the door leaf, calculating first control parameters to actuate the door leaf in relation to the first person, and detecting at least one second person, and calculating the probable arrival time thereof, calculating second control parameters to actuate the door leaf in relation to the second person, linking the first control parameters with the second control parameters to form a first control parameter set, and controlling the drive of the door leaf on the basis of the set.

First claim

The invention claimed is:

1. A method for operating a door actuator of a door system, having at least one movable door leaf and having a control device, which is designed to control a drive of the door actuator coupled to the door leaf, and having a sensor unit, which is designed to detect people in a region before the door system, and transmits information about the people to the control device, the method comprising the following steps:
detecting a first person,
calculating the probable arrival time of the first person at the door leaf,
calculating first control parameters to actuate the door leaf in relation to the first person,
detecting at least one second person,
calculating the probable arrival time of the second person at the door leaf,
calculating second control parameters to actuate the door leaf in relation to the second person,
linking the first control parameters with the second control parameters to form a first control parameter set, and
controlling the drive of the door leaf on the basis of the first control parameter set, wherein after calculating first control parameters to actuate the door leaf in relation to the first person, the first control parameters are saved in an index memory, and

wherein after calculating second control parameters to actuate the door leaf in relation to the second person, a query takes place to determine whether first control parameters are present in the index memory.

2. The method according to claim 1 ,
further comprising the following steps:
detecting a third person,
calculating the probable arrival time of the third person at the door leaf,
calculating third control parameters to actuate the door leaf in relation to the third person,
linking the first control parameter set with the third control parameter set calculated for the third person by means of a comparison to form a new second control parameter set, and
controlling the drive of the door leaf on the basis of the new second control parameter set.

3. The method according to claim 1 ,
further comprising the following steps:
query after each time further control parameters are determined as to whether control parameters are already saved,
where control parameters have not yet been saved, an index 0 is defined such that the movement of the door leaf is determined based on the first calculated control parameters, and
where first control parameters have already been saved, the index +1 is defined, and followed by the
linking using a comparison of the previously saved control parameters according to index +1 with the most recently determined second control parameters according to index +2, and
controlling the movement of the door leaf with an optimum from the previously saved control parameters according to index +1 and the most recently saved control parameters according to index +2, wherein the optimum forms the control parameter set.

4. The method according to claim 1 ,
wherein
when no further person is detected and when the door leaf is closed after the passing of the at least one or the last person, the index memory is deleted again and is therefore set to index 0.

5. The method according to claim 1 ,
further comprising the following steps:
creating a person vector for the respective person, which is at least determined from a speed of the detected person, which represents the vector length, and which is determined from a movement direction of the detected person, which represents the vector direction, and
carrying out the calculation of the probable arrival time of the person at the door leaf on the basis of the person vector.

6. The method according to claim 1 ,
wherein
when the second control parameters are compared with the first control parameters or the third control parameters with the first control parameter set in a tolerance query, a tolerance is checked, wherein if a deviation of the second control parameters from the first control parameters is within the tolerance, the first control parameters or the second control parameters are used to control the door leaf and the first control parameters are not linked with the second control parameters to form a first control parameter set.

7. A door actuator of a door system having a control device, which is configured to carry out a method according to claim 1 .

8. The door actuator according to claim 7 ,
wherein
a sensor unit is provided, which is configured as a radar sensor or as a camera with an assigned image evaluation unit, and with which a distance, a speed and an approach angle of one or a plurality of people is configured to be detected.

9. A door system having at least one door actuator according to claim 1 and at least one door leaf.

10. A non-transitory computer program product for carrying out a method according to claim 1 and/or for operating a door actuator of a door system having a control device.

Assignees

• Dormakaba Deutschland Gmbh

Inventors

• Wegner Frank
• Slobodan Jelic
• Boeckhoff Martin

Classifications

• E05Y2400/44

  Sensors not directly associated with the wing movement · CPC title

• E05Y2900/132

  Doors · CPC title

• E05Y2400/45

  Control modes · CPC title

• E05F2015/767

  using cameras · CPC title

• E05Y2800/205

  forming a unit · CPC title