EP4326497A1 - Erstellen eines roboterprogramms und betreiben eines roboters - Google Patents
Erstellen eines roboterprogramms und betreiben eines robotersInfo
- Publication number
- EP4326497A1 EP4326497A1 EP22717550.2A EP22717550A EP4326497A1 EP 4326497 A1 EP4326497 A1 EP 4326497A1 EP 22717550 A EP22717550 A EP 22717550A EP 4326497 A1 EP4326497 A1 EP 4326497A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- blending
- pose
- block
- robot
- distance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Program-controlled manipulators
- B25J9/16—Program controls
- B25J9/1656—Program controls characterised by programming, planning systems for manipulators
- B25J9/1664—Program controls characterised by programming, planning systems for manipulators characterised by motion, path, trajectory planning
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Program-control systems
- G05B19/02—Program-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form
- G05B19/41—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form characterised by interpolation, e.g. the computation of intermediate points between programmed end points to define the path to be followed and the rate of travel along that path
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/34—Director, elements to supervisory
- G05B2219/34088—Chamfer, corner shape calculation
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/34—Director, elements to supervisory
- G05B2219/34175—Overlap, between two blocks, continuous, smooth speed change, movement
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/36—Nc in input of data, input key till input tape
- G05B2219/36211—Using different cutter sizes, largest as possible for minimizing machining time
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/49—Nc machine tool, till multiple
- G05B2219/49164—Corner, making corner
Definitions
- the present invention relates to a method for creating a robot program for a robot and/or operating a robot and a system and computer program product for carrying out the method.
- a robot program is created that has a number of consecutive movement sets, each of which has a predetermined target pose for a reference of the robot and specifies a section of the path.
- the motion blocks PTP PO LIN P1 LIN P2 can be used to program a robot path in order to move from the TCP pose PO approached by unsynchronized axis adjustments to pose P1 on a straight line in the workspace and from there to pose P2 on a straight line in the workspace , as illustrated in FIG.
- the target pose P1 of the motion block LIN P1 forms the start pose of its successor motion block LIN P2
- a problem arises, for example, if on the straight lines [PO; P1] and [P1 ; P2] different orientations of the TCP are desired, for example, in order to align a tool in sections perpendicular to a machining surface or the like.
- driving down the straight [PO; P1] can be switched accordingly.
- the object of the present invention is to improve the operation of robots, preferably to remedy the above problem.
- This object is achieved by a method having the features of claims 1 and 8, respectively.
- Claims 9, 15 provide a system or computer program product Carrying out a procedure described here under protection.
- the dependent claims relate to advantageous developments.
- a method for creating a robot program for a robot includes the step: creating a robot program, on the basis of which or during the processing or execution of which a robot follows a robot path or which prompts the robot to do so or is set up for this purpose , wherein the robot program has a plurality of motion blocks that jointly specify the path in whole or in part, in particular each specifying a section of the path, one or more of these motion blocks of the robot program each having a specified target pose of a reference, in one version of the TCP or a tool , the robot has.
- one or more of these motion sets is a blending set for which (each)
- an approach from a path section specified by a preceding motion block can be parameterized, in one version parameterized, in one variant only the blending pose, only the approach to the path section specified by the successor motion block, only the approach from that specified by the preceding motion block specified path section, only the blending pose and the approach to the path section specified by the successor motion block, only the blending pose and the approach to the path section specified by the predecessor motion block, only the approach to the path section specified by the successor motion block and the approach to that the path section specified by the preceding motion block or both the blending pose and the approach to the path section specified by the successor motion block also the approach is parameterized by the path section specified by the previous motion block.
- an advantageous robot path and/or a robot path can be advantageously programmed simply, reliably and/or quickly.
- the blending pose is or is parameterized as a virtual start pose for the successor motion block for one or more of the blending blocks (in each case)
- reorientation and/or repositioning can be advantageous in one embodiment, particularly simple(r) (more) reliably and/or quickly (more) and/or an advantageous reorientation and/or repositioning can be programmed.
- a desired or advantageous touchdown can occur on this path section can be programmed advantageously, in particular easily (more), reliably (more) and/or quickly (more).
- a desired or advantageous and/or permissible deviation from this path section can be programmed advantageously, in particular more simply, more reliably and/or more quickly.
- one embodiment uses one or more blending blocks as motion blocks, each of which involves parameterizing a blending pose as a virtual start pose for a successor motion block, moving to a path section specified by this successor motion block, and moving to a by a predecessor movement set allow or are set up for this purpose or have a corresponding parameterization option or in which a corresponding parameterization option is provided, with in a further development in one or more of these blending or motion blocks (each) a blending pose as a virtual Start pose is or is parameterized for a successor motion block.
- this successor motion block or path section of the robot program is cut off by the previous blending block or path section specified thereby, or the corresponding part of the successor motion block or path section specified thereby the parameterized approach is replaced or, in the case of parameterized approach, the preceding motion block or path section of the robot program is cut off from the path section specified by the preceding motion block by the following blending block or path section specified thereby, or the corresponding part of the preceding motion block or specified by it Path section replaced by the parameterized approach.
- a distance from its blending pose within which a position of the reference may deviate from a path section specified by the successor motion block (of the respective blending block) can be parameterized for one or more of the blending blocks, or a corresponding parameterization option is provided , wherein in a further development such a distance is or is parameterized in one or more of these blending or movement blocks (in each case).
- a distance from its blending pose, within which an orientation of the reference may deviate from a path section specified by the successor motion block can be parameterized or a corresponding parameterization option is provided, whereby in a further development in or such a distance is or is parameterized in one or more of these blending or motion blocks (in each case).
- a distance from its blending pose, within which a position of the reference may deviate from a path section specified by the preceding motion block can be parameterized or a corresponding parameterization option is provided, whereby in a further development in which or in one or more of these blending or movement blocks (in each case) such a distance is or is parameterized.
- a distance from its blending pose, within which an orientation of the reference may deviate from a path section specified by the preceding motion block can be parameterized or a corresponding parameterization option is provided, whereby in a further development in which or in one or more of these blending or movement blocks (in each case) such a distance is or is parameterized.
- a distance from a pose, preferably the start or end pose, of the successor motion block of this blending block, within which a position of the reference may deviate from a path section specified by the successor motion block parameterizable or a corresponding parameterization option is provided, with such a distance being or being parameterized in one or more of these blending or movement blocks (in each case).
- a distance from a pose, preferably the start or end pose, of the preceding motion block of this blending block, within which a position of the reference may deviate from a path section specified by the preceding motion block parameterizable or a corresponding parameterization option is provided, with such a distance being or being parameterized in one or more of these blending or movement blocks (in each case).
- a distance from a pose, preferably the start or end pose, of the preceding motion block of this blending block, within which an orientation of the reference may deviate from a path section specified by the preceding motion block parameterizable or a corresponding parameterization option is provided, with such a distance being or being parameterized in one or more of these blending or movement blocks (in each case).
- a distance of the reference relative to the blending pose can be parameterized when the blending block is traversed, or a corresponding parameterization option is provided, with one or more of these blending or Motion sets (each) such a distance is parameterized and/or the distance depends on a Cartesian distance of the reference of the robot from the respective blending pose, in a further development is equal to the distance.
- a particularly advantageous robot path and/or a robot path can be programmed particularly advantageously, particularly simply, reliably and/or quickly, in particular a reorientation and/or repositioning and/or a desired or advantageous and/or permissible deviation from the corresponding path section.
- an obligatory passage through the blending pose can be specified; in a further development, an obligatory passage through the blending pose is or is specified for one or more of the blending sets (in particular by appropriate parameterization).
- a non-mandatory passing through the blending pose can be specified, in a further development it is or is for one or more of the blending sets (in particular by appropriate parameterization). a non-obligatory passing through the blending pose is specified.
- an impermissible passing through the blending pose can be specified; permissible passage through the blending pose is specified.
- an impermissible passage through a blending pose can be or is specified or is or is specified for an impermissible or impermissible passing through by specifying or parameterizing a (non-zero) minimum distance relative to the blending pose a minimum distance dimension (different from zero) relative to the blending pose can be specified or specified in a blending pose.
- a maximum distance measure (other than zero) relative to the blending pose can be or will be specified for a non-mandatory or non-mandatory passing through of a blending pose.
- minimum and maximum distances specify a lower (minimum distance) and upper (maximum distance) limit value for the distance that the reference must maintain or have as a minimum (minimum distance) or maximum relative to the blending pose when the blending set is traversed allowed (maximum distance).
- a placement direction relative to the blending pose can be specified or specified for a non-permissible or non-mandatory or in the case of a non-permissible or non-mandatory passing through a blending pose, for example whether the reference of the robot, based, for example, on path section(s) specified by the preceding and/or following motion block, (if applicable) is to pass the blending pose on the outside or inside, or the like.
- a placement direction relative to the blending pose can specify in particular whether the reference should deviate from the blending pose towards or away from the path sections specified by the preceding and/or following motion block.
- one or more boundary surfaces can be parameterized for the or one or more of the blending blocks, in a further development at least one boundary surface is or will be parameterized for the or one or more of the blending blocks (in each case), in one embodiment by specifying one or several points of the interface and/or a surface normal of the interface.
- the reference of the robot penetrates when traversing the If the blending block or approach to the path section specified by its successor motion block or approach from the path section specified by its predecessor motion block does not touch the boundary surface, it can touch it in one embodiment, or is or will be the movement (of the reference) of the robot when moving away of the blending block or approaching the path section specified by its successor motion block or approaching the path section specified by its predecessor motion block is planned or controlled accordingly.
- different boundary surfaces can be parameterized for approaching the path section specified by the successor motion block and for approaching the path section specified by the predecessor motion block; in a further development, for approaching the path section specified by the successor motion block and different boundary surfaces are parameterized for the approach from the path section specified by the previous motion block.
- a desired or advantageous approach or further movement, in particular departure can be programmed particularly advantageously, in particular simply, reliably and/or quickly.
- At least one strategy for an unfulfillable restriction of the or one or more of the blending blocks can be parameterized, in a development at least one strategy for an unfulfillable restriction is or will be parameterized for the or one or more of the blending blocks (each).
- Such a strategy can in particular include the output of a message, in particular a warning or error message, stopping the robot or the like.
- the robot path can be particularly advantageous and/or can be programmed particularly advantageously, in particular simply, reliably and/or quickly.
- a speed for the traversing of the or one or more of the blending blocks can be parameterized, in a further development a speed for the traversing of the or one or more of the blending blocks (in each case) is or is parameterized.
- a robot path can be particularly advantageous and/or can be programmed particularly advantageously, in particular easily, reliably and/or quickly, in particular a reorientation and/or repositioning and/or a desired or advantageous and/or permissible deviation from that corresponding track section.
- the successor motion block of at least one blending block can itself be or be used as a blending block; in a further development, the successor motion block of at least one blending block is itself a blending block (used). Additionally or alternatively, in one embodiment (as) the preceding motion block of at least one blending block can itself be or be used as a blending block, in a further development the preceding motion block of at least one blending block is or is itself a blending block (used). In other words, in one embodiment, two or more blending sets can directly follow one another or be lined up next to one another.
- a robot path can be particularly advantageous and/or can be programmed particularly advantageously, in particular easily, reliably and/or quickly, in particular particularly flexibly.
- a method for operating a robot comprises the step: the robot follows a robot path by executing a robot program that is (was) created according to a method described here, in a further development in addition to the creation of the robot program in here described way.
- the method for operating a robot comprises the steps: creating a robot program in the manner described here and traversing a robot path through the robot by executing this robot program.
- the traversing of a blending block or a path section specified by it includes the optionally parameterized approach to the path section specified by its successor motion block and/or approach from the path section specified by its predecessor motion block, can in particular consist of this.
- a further path section of the blending block can be present between the approach to the path section specified by the preceding motion block and the approach to the path section specified by the subsequent motion block.
- the path section specified by the blending block and the path section specified by the preceding motion block and/or the path section specified by the blending block and the path section specified by the succeeding motion block merge continuously, preferably smoothly, into one another.
- a system for creating a robot program and/or operating a robot in particular hardware and/or software, in particular programming, is set up to carry out a method described here and/or has:
- Means for creating a robot program for traversing a robot path which has a plurality of motion sets for specifying the path, at least one of which has a specified target pose for a reference of the robot, wherein at least one of the motion sets is a blending block for which a blending pose is used as a virtual starting pose for a successor movement block, approaching a path section predetermined by this successor movement block, and approaching one by one
- path section specified in the preceding motion block can be parameterized; and/or means for a robot to follow a robot path by executing a robot program that is created using a method described here.
- system or its means(s) has:
- system or its means(s) has:
- Means for parameterizing a speed for running the rounding block
- Means for stringing together at least two sets of smoothing are provided.
- a system and/or means within the meaning of the present invention can be designed in terms of hardware and/or software, in particular a processing unit (CPU), in particular a microprocessor unit, which is preferably data- or signal-connected to a memory and/or bus system. , Graphics card (GPU) or the like, and/or have one or more programs or program modules.
- the processing unit can be designed to process commands that are implemented as a program stored in a memory system, to detect input signals from a data bus and/or to output output signals to a data bus.
- a storage system can have one or more, in particular different, storage media, in particular optical, magnetic, solid-state and/or other non-volatile media.
- the program can be such that it embodies or is able to execute the methods described here, so that the processing unit can execute the steps of such methods and thus in particular provide a programming option or environment for creating a robot program and/or the robot can operate.
- a system and/or means within the meaning of the present invention can have, in particular be, a programming environment, programming language and/or program library.
- a computer program product can have, in particular be a, in particular non-volatile, storage medium for storing a program or with a program stored thereon, with the execution of this program causing a system or a controller, in particular a computer, to carry out the method described or one or more of its steps.
- one or more, in particular all, steps of the method are carried out fully or partially automatically, in particular by the system or its means.
- the system includes the robot.
- operating a robot within the meaning of the present invention includes creating a robot program and/or executing a or the robot program by or with a robot, can in particular consist of creating a robot program, executing a or the robot program by or with a robot or creating a robot program and executing a or the robot program by or with a robot.
- a computer program product comprises program code, stored on a computer-readable medium, for performing a method according to any one of the claims.
- Fig. 1 a conventionally programmed robot path of a
- Figures 2-6 show robot paths of a robot's TCP programmed according to an embodiment of the present invention
- Figure 7 shows a system according to an embodiment of the present invention.
- Figure 8 a method according to an embodiment of the present invention.
- FIG. 1 illustrates a robot trajectory of a TCP 11 of a robot 10 (see FIG. 7) which is programmed in a conventional manner, for example by the motion blocks PTP PO LIN P1 LIN P2
- Figure 2 illustrates a robot trajectory programmed according to an embodiment of the present invention, for example by the motion sets
- BLEND P11 with BLENDPARA is a blending block with the blending pose P11 and the parameters BLENDPARA.
- the blending pose P11 only includes the orientation of the target pose P2 of the successor motion block LIN P2, the position is therefore not changed or corresponds to the position of the target pose P1 of the preceding motion block LIN P1.
- An orientation that deviates from the target pose of the preceding motion block LIN P1 can thus be specified as a virtual start pose for the successor motion block LIN P2 with P11, and a desired orientation can thereby be implemented on a path section specified by the successor motion block.
- a radius R1 around the blending pose P11 is or is parameterized with the parameters BLENDPARA, for example, from which a position of the TCP may deviate from the path section specified by the preceding motion block LIN P1 and the path section specified by the following motion block LIN P2.
- the BLENDPARA parameters can be used, for example, to parameterize a radius R2 around the blending pose P11, from which an orientation of the TCP indicated by arrows in FIG Successor movement block LIN P2 may deviate from the specified path section.
- the Both radii R1, R2 can be identical (Fig. 2) or different. The latter is illustrated in FIG. 3, which otherwise corresponds to FIG.
- different radii can also be parameterized for the deviation from the position of the preceding motion block LIN P1 and for the deviation from the position of the subsequent motion block LIN P2. Additionally or alternatively, different radii can be parameterized for the deviation from the orientation of the preceding motion block LIN P1 and for the deviation from the orientation of the subsequent motion block LIN P2.
- the parameters BLENDPARA can be used to specify whether the blending pose P11 must be passed through when executing the blending block BLEND P11 with BLENDPARA or not.
- 2, 3 show a non-obligatory passage
- FIG. 4 which otherwise corresponds to FIG. 2
- FIG. 5 illustrates a predetermined passage through the blending pose P11
- FIGS. 5 which otherwise corresponds to FIGS.
- a predetermined minimum distance D which depends on a distance from the blending pose P11, in particular can be the same as the (minimum) distance, and a placement direction relative to the blending pose P11, in the exemplary embodiment driving around the blending pose P11 from the outside, based on the orientation or predecessor and successor -Movement set LIN P1 , LIN P2.
- Figure 6 illustrates a robot trajectory programmed according to another embodiment of the present invention, for example by the motion sets
- BLEND with BLENDPARA2 With the parameters BLENDPARA1 of the first blending block "BLEND SP with BLENDPARA1" with the parameterized blending pose SP is or is specified, for example, that within a specified distance from SP, which is indicated in Fig. 6 by RSTART, in terms of position and / or orientation of may deviate from the spline path specified by the successor motion block. In this way, it is ensured that the spline path is followed from point PB, in order, for example, to apply a bead of adhesive from here with a correspondingly oriented tool or the like. Additionally or alternatively, the parameters BLENDPARA1 can be used, for example, to parameterize a plane that contains SP with the surface (outward) normal, which is indicated by NS in FIG.
- the second blending block "BLEND with BLENDPARA2" means that from the point PE at a distance REND from ZP, you can deviate again from the spline path in terms of position and/or orientation, with the BLENDPARA2 parameters in turn creating a plane containing ZP. can be parameterized with the surface (outward) normal, which is indicated by NE in FIG.
- the second blending block BLEND with BLENDPARA2 illustrates that a blending pose does not have to be parameterized for a blending block, especially if, as here, no successor motion block is provided for which such a blending pose determines or would determine a virtual start pose .
- the two blending blocks illustrate that approaching a path section specified by a preceding motion block (cf. first blending block) or approaching a path section specified by a successor motion block (cf. second blending block) are not necessarily available or parameterized got to.
- a computer for programming and/or controlling the robot 10 is indicated at 20 in FIG. 7, which is set up or used to carry out a method described here.
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- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Manipulator (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021204004.7A DE102021204004B3 (de) | 2021-04-21 | 2021-04-21 | Erstellen eines Roboterprogramms und Betreiben eines Roboters |
| PCT/EP2022/057413 WO2022223215A1 (de) | 2021-04-21 | 2022-03-22 | Erstellen eines roboterprogramms und betreiben eines roboters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4326497A1 true EP4326497A1 (de) | 2024-02-28 |
Family
ID=81344336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22717550.2A Pending EP4326497A1 (de) | 2021-04-21 | 2022-03-22 | Erstellen eines roboterprogramms und betreiben eines roboters |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20240238970A1 (de) |
| EP (1) | EP4326497A1 (de) |
| DE (1) | DE102021204004B3 (de) |
| WO (1) | WO2022223215A1 (de) |
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| US20210197377A1 (en) * | 2019-12-26 | 2021-07-01 | X Development Llc | Robot plan online adjustment |
| AU2020277094C1 (en) * | 2020-03-26 | 2023-06-29 | Commonwealth Scientific And Industrial Research Organisation | Path Planning |
| EP4149730A1 (de) * | 2020-05-14 | 2023-03-22 | Universal Robots A/S | Eingabeformungssteuerung eines roboterarms in verschiedenen referenzräumen |
| US11958529B2 (en) * | 2020-08-20 | 2024-04-16 | Nvidia Corporation | Controlling position of robot by determining goal proposals by using neural networks |
| US20220395978A1 (en) * | 2021-06-15 | 2022-12-15 | Sisu Devices Llc | Enhanced robotic camera control |
| WO2023055857A1 (en) * | 2021-09-28 | 2023-04-06 | Intrinsic Innovation Llc | Online planning satisfying constraints |
| JP2023058446A (ja) * | 2021-10-06 | 2023-04-25 | オリジン ワイヤレス, インコーポレイテッド | 無線センシング、モニタリング及びトラッキングのための方法、装置及びシステム |
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2021
- 2021-04-21 DE DE102021204004.7A patent/DE102021204004B3/de active Active
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2022
- 2022-03-22 US US18/556,755 patent/US20240238970A1/en active Pending
- 2022-03-22 EP EP22717550.2A patent/EP4326497A1/de active Pending
- 2022-03-22 WO PCT/EP2022/057413 patent/WO2022223215A1/de not_active Ceased
Also Published As
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|---|---|
| DE102021204004B3 (de) | 2022-07-07 |
| WO2022223215A1 (de) | 2022-10-27 |
| US20240238970A1 (en) | 2024-07-18 |
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