EP3720665A1 - Roboteranordnung mit einer fördereinrichtung und einem roboter sowie deren betrieb - Google Patents
Roboteranordnung mit einer fördereinrichtung und einem roboter sowie deren betriebInfo
- Publication number
- EP3720665A1 EP3720665A1 EP18807601.2A EP18807601A EP3720665A1 EP 3720665 A1 EP3720665 A1 EP 3720665A1 EP 18807601 A EP18807601 A EP 18807601A EP 3720665 A1 EP3720665 A1 EP 3720665A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- robot
- conveyor
- conveying
- stop
- movement
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41815—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the cooperation between machine tools, manipulators and conveyor or other workpiece supply system, workcell
- G05B19/4182—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the cooperation between machine tools, manipulators and conveyor or other workpiece supply system, workcell manipulators and conveyor only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Program-controlled manipulators
- B25J9/0093—Program-controlled manipulators co-operating with conveyor means
-
- 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
- B25J9/1666—Avoiding collision or forbidden zones
-
- 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
- B25J9/1674—Program controls characterised by safety, monitoring, diagnostic
- B25J9/1676—Avoiding collision or forbidden zones
-
- 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
- G05B2219/34402—Synchronize programs for machines, processes, tasks, if one stops other also
-
- 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
- G05B2219/39—Robotics, robotics to robotics hand
- G05B2219/39102—Manipulator cooperating with conveyor
-
- 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
- G05B2219/40—Robotics, robotics mapping to robotics vision
- G05B2219/40475—In presence of moving obstacles, dynamic environment
-
- 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
- G05B2219/50—Machine tool, machine tool null till machine tool work handling
- G05B2219/50112—Retract tool to a point
-
- 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
- G05B2219/50—Machine tool, machine tool null till machine tool work handling
- G05B2219/50198—Emergency stop
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Definitions
- the present invention relates to a method for operating a
- Robot arrangement with a conveyor and at least one robot and a controller for controlling the robot arrangement and a
- Robots often work together with conveyors such as conveyor belts or the like.
- the robot moves in a working operation with an end effector from a working path, with a conveying movement of the conveyor
- stop requests may occur to stop the robot, such as by safety devices due to opening a cell door, robotic applications, or the like.
- the robot simply stops while the conveying movement of the
- Robot arrangement with a conveyor and one or more, in particular so that cooperating in a working operation, robot (s), based, in particular as a result of a stop request, in particular primarily or only, a stop of the or a robot requests, switched to a stop operation, in which the robot with an end effector one Train leaves, with a
- Conveyor movement of the conveyor is synchronized, in particular, in one embodiment in that it is predetermined or controlled on the basis or in dependence on a predetermined or desired and / or detected or actual conveying movement of the conveyor, in an embodiment in one with the
- Conveying motion co-moving reference system By traversing one with a conveying movement of the conveyor
- Synchronized track (also) in stop mode can in one embodiment reduces the risk of collision of the braking stop due to the stop request robot or its end effector with an obstacle moved by the conveyor movement or device obstacle, especially conveyed material, such as a component, a product or the like become.
- a path synchronized with the conveying movement may have a series of poses, in particular one-, two- or three-dimensional positions and / or one-, two- or three-dimensional orientations, of the end effector,
- the conveying device has a conveying surface which, compared with an environment of the robot arrangement, has the, in particular predetermined,
- the robot has a robot arm having at least three, in particular at least six, in one embodiment at least seven, in one embodiment, at least seven, in one embodiment by, in particular electrical, drives of the robot are adjustable or can be adjusted, in particular for traversing tracks with the end effector.
- a tool in particular a gripper, is fastened to the end effector, in particular can be detached non-destructively.
- a stop is understood to mean, in particular, deceleration up to a standstill in relation to an environment.
- the path synchronized with the conveying movement of the conveyor, which the robot leaves with its end effector in stopping mode is a path which is predetermined (in particular determined to lead out of a conveying area of the conveyor.
- a train is referred to herein as escape route.
- the risk of a collision of the end effector with a moving through the conveying movement or device obstacle can also be reduced if the conveying movement despite or in the
- Stop operation is continued, in particular, if this process-related condition may not be terminated or control technology can not be terminated by the stop request to stop the robot.
- the conveying region of the conveying device comprises a predetermined, in particular environmental, predetermined region at, in particular above, the conveying device, in particular the surface, in particular the region, that of the
- the conveying region extends at least 1 cm, in particular at least 10 cm, and / or at most 2 m, in particular at most 1 m, above and / or laterally of the conveying surface. Additionally or alternatively to the aspect of the escape route is the with the
- a track on which the robot stops synchronized with the conveyor is referred to herein as a stopping track.
- a stopping track By in this aspect on the one hand stops the conveyor and on the other hand, the robot in turn stops and doing with his end effector with the
- the risk of collision of the end effector can be reduced particularly reliable with an obstacle moved by the conveying movement or device obstacle.
- a stopping of the robot due to the stop request in the stopping mode is constituted by stopping the conveyor and stopping the end effector on the stopping track in a frame moving with the conveying movement, i. a halt of the moving frame relative to the environment and a stop in or relative to the moving reference frame together or robot and
- the stop request can be fulfilled and at the same time the risk of a collision of the end effector with an obstacle moved by the conveying movement or device can be reduced.
- a path-free stopping is understood in particular to mean that no path of the end effector in its working space is predetermined for stopping.
- stopping in one execution can be effected by a so-called STOP 0 or STOP 1 or speed stop or stopping of all axes of the robot, in particular in the shortest possible time or the time which requires an axis with the longest stopping time.
- the stop request can be fulfilled particularly quickly and / or reliably.
- the robot can also be on or track true to the
- Escape route are stopped after he has moved out with the end effector on the escape path from the conveying area of the conveyor.
- the end effector may leave the escape path in an embodiment outside the conveying area or may only be defined up to the boundary of the conveying area, or in another embodiment up to a stop outside the conveying area, whereby in one embodiment as well outside the conveying region, an advantageous, in particular predictable and / or collision-free, movement of the robot or its end effector can be achieved.
- the escape path leading out of the conveyor area on the basis of a (predetermined) working path the robot with the end effector at or at the time of switching (s) in the stop mode (straight) leaves, in particular a braking movement along this working path, and determined a predetermined, in particular linear, escape movement, in particular by superposition of the Abbremsdoch along the work path and the escape movement.
- the braking along the work path can speed in particular by a so-called ramp stop or a ramp down a train (follow), in particular one
- escape movement can in one embodiment in one or the mitbewegten with the conveying movement
- a particularly simple and / or reliable escape route can be generated.
- the conveying movement of the conveying device can be continued during the trajectory leading out of the conveying region, in particular (also) at and / or after stopping the robot ,
- the conveying movement can be continued despite or in the stopping mode, which can be particularly advantageous if this process technology is not to be terminated, for example, workpieces from a processing, for example tempering or coating zone, out or this must be supplied, or the conveying movement or device control technology can not be stopped by the stop request for stopping the robot, for example due to lack of communication,
- Stop request for stopping the conveyor output to the conveyor in an embodiment in inverse logic, in particular by removing an enable signal for the conveying movement or device.
- the robot travels with the conveyor
- the robot sets in at or at the time of switching (s) the stopping operation just departed or to be traveled working in stopping mode continues and keeps on this in one or the with the conveying movement
- the robot remains in the stopping mode, in particular on the
- Stop track relative to the conveying surface stand or moves, in particular subsequently, with the conveying surface or movement optionally with, but not relative to the conveying surface or movement (more), or is controlled accordingly.
- the stopping track is a part of the working path that the robot departs (at right angles) at the time of switching (s) and stops in stopping mode relative to the conveying movement or surface.
- the risk of a collision of the end effector with a moving through the conveying movement or device obstacle can be reduced particularly reliable. Additionally or alternatively, this may be the
- Robot arrangement can be particularly advantageously put back into operation in one embodiment, since the robot has stopped with its end effector on the work path or work path loyal and thus this when restarting
- Conveyor and robot can continue driving.
- the stopping mode is switched back to a working mode in which the robot with the end effector moves away from a (predetermined) working path synchronized with the conveying movement.
- the system switches to a stop mode in which the robot is stopped without a template, if a time until a time with the
- Conveyor synchronized stop on the track synchronized with the conveying movement exceeds a (given) predetermined maximum duration.
- a stop mode is switched in which the robot is stopped in a path-free manner if a time until a confirmation of a braking operation for stopping the conveyor exceeds a (for this) predetermined maximum duration.
- the confirmation of a braking operation for stopping the conveyor by the conveyor or a controller for controlling the conveyor output in an embodiment based, in particular as a result of the receipt or registration of a stop request for stopping the conveyor and / or a Detecting an actual deceleration of the conveying movement or device.
- the robot actually performs a stopping operation with stop-by-track stopping instead of stopping with track stopping. Additionally or alternatively, in one embodiment, instead of the stop mode, the robot performs a stop mode with track stopping
- stopping due to stop request for stopping the robot can be reliably performed.
- the safety of such a working operation can be increased.
- Stop track, and / or the robot moves off with the end effector in the working mode in each case be specified in a moving together with the conveyor movement reference frame or be in an embodiment in that they are based on or in
- the web can be synchronized particularly simply, reliably and / or precisely.
- the stop request for stopping the robot is output by a safety monitoring device, in particular for monitoring the robot, and / or independently of the conveying movement of the conveyor, in particular by a robot application or the like.
- stop requests that (initially or primarily) do not relate to the conveying movement or device, and thereby the risk of a collision of the robot braking down due to the stop request or its end effector with a by the conveying movement or device Moving obstacle, in particular conveyed, such as a component, a product or the like can be reduced.
- a controller for controlling the robot arrangement in particular hardware and / or software, in particular program technology, for carrying out a method described herein and / or comprises: means for switching the robot into a
- Conveying movement of the conveyor synchronized travels, based on a
- the controller or its agent has:
- a means in the sense of the present invention may be designed in terms of hardware and / or software, in particular a data or signal-connected, preferably digital, processing, in particular microprocessor unit (CPU) and / or a memory and / or bus system or multiple programs or program modules.
- the CPU may be configured to execute instructions implemented as a program stored in a memory system, to capture input signals from a data bus, and / or
- a storage system may comprise one or more, in particular different, storage media, in particular optical, magnetic, solid state and / or other non-volatile media.
- the program may be such that it is capable of embodying the methods described herein, so that the CPU may perform the steps of such methods and thus, in particular, the robot and / or the
- a computer program product may include a, in particular non-volatile, storage medium for
- one or more, in particular all, steps of the method are completely or partially automated, in particular by the controller or its (e) means.
- Fig. 1-3 Poses a robot assembly according to an embodiment of
- FIG. 4 shows the robot arrangement of FIGS. 1 -3 in a side view
- Fig. 5-6 A method for operating the robot assembly according to
- Fig. 1 shows in a plan view a robot assembly with a conveyor in the form of a conveyor belt 2 and a cooperating robot 1 according to an embodiment of the present invention in a first pose in a regular working operation
- Fig. 2 the robot assembly in a later pose in regular working mode 3 shows the robot arrangement in an even later pose in the regular working mode in FIG. 1, 2 corresponding illustration
- FIG. 4 shows the robot arrangement in a side view.
- ⁇ , X,, Y, Z ⁇ a location or environment-proof reference or inertial system is indicated, with ⁇ 2 X, 2 Y, Z ⁇ a moving with a conveying movement of the conveyor reference frame.
- the conveyor 2 leads by way of example to a in
- Inertialsystem a constant velocity V 2 in
- FIG. 5 shows a method of operating the robot assembly according to FIG.
- Stopping the robot in a stop operation detected (S10: "Y"), for example, because a stop switch 4 of the robot controller 3 is actuated or a cell door one Robot cell of the robot 1 (not shown) was opened or the robot is to stop routinely to cool down, is switched to a stop operation.
- Deceleration movement V y 0 is specified by an override of this
- Speed trapezoidal profile is specified for which an escape acceleration and maximum escape velocity is specified.
- Conveyor 2 synchronized escape path leaves, which leads out of a conveying region of the conveyor.
- the conveying region 22 is hatched by way of example in FIG. 4 and is defined by the space which the goods 5 (see FIG. 3) conveyed on the conveyor belt 2 maximally occupy.
- Fig. 6 shows a method of operating the robot assembly according to another embodiment of the present invention.
- Stopping the robot in a stop operation detected (S100: "Y"), for example, because the stop switch 4 was pressed or the cell door was opened or the robot routinely to stop for cooling, is also switched to a stop operation here.
- the robot controller 3 issues a stop request for stopping the conveyor to a controller 21 for controlling the conveyor 2 by taking away a corresponding input.
- the controller 21 for controlling the conveyor 2 confirms receipt of this stop request to the robot controller 3. Unless the robot controller 3 receives this confirmation within a predetermined maximum duration (S300: "N"), a speed stop of the robot 1 is escalated (S350).
- the control device 21 in a step S400 brakes the (conveying movement of the) conveyor 2, while the robot controller 3 for the end effector on its in moving with the conveying motion reference system ⁇ 2X, 2Y, 2Z ⁇ , ie relative to the conveying surface of the conveyor 2, predetermined working path in 2 Y-direction a braking movement 0 by downrating an override of this orbital motion to zero.
- Control device for controlling the conveyor 2 22 conveyor area
Landscapes
- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Manipulator (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017011228.2A DE102017011228A1 (de) | 2017-12-05 | 2017-12-05 | Roboteranordnung mit einer Fördereinrichtung und einem Roboter sowie deren Betrieb |
| PCT/EP2018/081901 WO2019110292A1 (de) | 2017-12-05 | 2018-11-20 | Roboteranordnung mit einer fördereinrichtung und einem roboter sowie deren betrieb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3720665A1 true EP3720665A1 (de) | 2020-10-14 |
Family
ID=64453489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18807601.2A Withdrawn EP3720665A1 (de) | 2017-12-05 | 2018-11-20 | Roboteranordnung mit einer fördereinrichtung und einem roboter sowie deren betrieb |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3720665A1 (de) |
| DE (1) | DE102017011228A1 (de) |
| WO (1) | WO2019110292A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4644057A1 (de) * | 2024-04-30 | 2025-11-05 | Siemens Aktiengesellschaft | Ermitteln einer bahnbewegung einer kinematik zur aufnahme eines gegenstandes von einem fördersystem |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10300605A1 (de) * | 2002-08-02 | 2004-02-26 | Bosch Rexroth Ag | Ablaufsteuerung mit definierter Behebung von Ausnahmezuständen |
| DE102006057843B4 (de) * | 2006-03-09 | 2013-03-21 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Industrieroboter |
| DE102007045143A1 (de) * | 2007-09-20 | 2009-04-02 | Mrk-Systeme Gmbh | Bearbeitungs- beziehungsweise Fertigungsanlage |
| DE102008018848A1 (de) * | 2008-04-15 | 2009-10-22 | Daimler Ag | Verfahren zur automatisierten Bauteilmontage, entsprechende Montagewerkzeugeinrichtung und entsprechender Industrieroboter |
| DE102008024950A1 (de) * | 2008-05-23 | 2009-11-26 | Kuka Roboter Gmbh | Verfahren und Vorrichtung zur Steuerung eines Manipulators |
| DE102010020750A1 (de) * | 2010-05-17 | 2011-11-17 | Kuka Laboratories Gmbh | Steuereinrichtung und Verfahren zur Sicherheitsüberwachung von Manipulatoren |
| JP2015000470A (ja) * | 2013-06-18 | 2015-01-05 | トヨタ自動車株式会社 | ロボット制御装置及びロボット制御方法 |
| JP5954274B2 (ja) * | 2013-07-26 | 2016-07-20 | 株式会社安川電機 | ロボットシステム |
-
2017
- 2017-12-05 DE DE102017011228.2A patent/DE102017011228A1/de active Pending
-
2018
- 2018-11-20 EP EP18807601.2A patent/EP3720665A1/de not_active Withdrawn
- 2018-11-20 WO PCT/EP2018/081901 patent/WO2019110292A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019110292A1 (de) | 2019-06-13 |
| DE102017011228A1 (de) | 2019-06-06 |
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