Sick Ag

Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

Markus Hammes

Peter Schreiber

Mathias Ams

Fabio Brunner

Ingolf Braune

Jörg Sigmund

Stefan Mack

Stephan Schmitz

Shane MacNamara

Christof J Meyer

Fabian Jachmann

Michael Engler

Joachim Krämer

Magnus Albert

Christoph Hofmann

Hagen Feth

Carsten Natzkowski

Martin Wüstefeld

Chen Li

Ino Geisemeyer

Martin Geiler

Andreas Sixt

Boris Szerbakowski

Christiane Fillhardt

Dominic Ruh

Matthias Neudorf

Markus Kohler

Lasse Dau

Tobias Hofmann

Jan Schlemmer

Matthias Ams

Patrik Feth

Eduard Mosgalewsky

Axel Bodemann

Stefan Schmitz

Martin Muncher

Max Böhme

Joachim Kraemer

Patrick Stein

Nicolas Löffler

Christoph Haberer

Bjorn Johansson

Boris Szebakowski

Martin Müncher

Krämer Joachim

Neudorf Matthias

Michael Breindl

Shane Macnamara

A method for the automatic configuration of a 3D sensor for safe object tracking in which at least one 3D image is recorded by the 3D sensor, a detection region in which safety related objects can move is fixed within a detection zone of the 3D sensor using the at least one 3D image, and the object tracking is restricted to the detection region. In this respect, picture elements corresponding to a reference area, in particular a floor level, are identified in the at least one 3D image and the detection region is fixed with respect to these picture elements.

Configuration of a 3D sensor for safe object tracking

A safety system for the localization of at least one spatially variable object having at least one control and evaluation unit, having at least one radio location system, having at least one spatially resolving sensor for the detection of an object in a detection zone of the spatially resolving sensor, wherein the radio location system has at least three arranged radio stations, wherein at least one radio transponder is arranged at the object, wherein position data of the radio transponder and thus position data of the object can be determined by means of the radio location system, wherein the position data can be transmitted from the radio station of the radio location system to the control and evaluation unit, wherein the control and evaluation unit is configured to cyclically detect the position data of the radio transponder and information on the object in the detection zone can be determined by means of the spatially resolving sensor.

Safety system and method using a safety system

The invention relates to a sensor arrangement and to a method for safeguarding a monitored zone at a machine. The sensor arrangement comprises a camera continuously generating 3D images, a control and evaluation unit for the position detection of objects in the monitored zone and, in the case of a hazardous position, initiating a safety-directed response of the machine, with a buffer memory unit being provided for storing last recorded images and with a 3D reference map being prepared from the stored images when the safety-directed response was initiated, a voxel identification unit being provided for flagging those voxels in the current 3D image whose coordinates differ by a specified distance from those of the corresponding voxels of the reference map, a movement recognition unit being provided in which the voxels thus identified are examined as to whether they display position changes that are above a fixed threshold in the course of a fixed number of further current images, and independently thereof, a restart signal for the machine being able to be output at an output.

Sensor arrangement and method for safeguarding a monitored zone

A method using a safety system and a safety system for localizing at least one object, with varying locations, are provided. A radio location system has at least three arranged radio stations and at least one radio transponder is arranged at the object. Position data of the radio transponder and the object can be determined by means of the radio location system. The position data can be transmitted from a radio station of the radio location system to a control and evaluation unit which is configured to cyclically detect the position data of the radio transponder. A first inspection unit is connected to the control and evaluation unit, and the control and evaluation unit is checked by the first inspection unit.

A safety laser scanner () for detecting objects in a monitored zone () is provided that has a light transmitter () for transmitting a scan beam (), a movable deflection unit () for the periodic scanning of the monitored zone () by the scan beam (), a light receiver () for generating a received signal from the scan beam () remitted by the objects, a front screen (), and a control and evaluation unit () that is configured to acquire information on the objects in the monitored zone () from the received signal and to recognize an impaired light permeability of the front screen () in a front screen monitoring by evaluating a front screen reflection beam () that is generated from the scan beam () by reflection at the front screen (), At least one light deflection unit () is provided in the optical path of the front screen reflection beam () that guides the front screen reflection beam () to the front screen () again in a region () to be tested so that a twice-reflected front screen reflection beam () is produced by reflection at the region () to be tested.

Safety laser scanner and method for front screen monitoring

An optoelectronic safety sensor () for safeguarding a machine (), the sensor () comprising a light receiver () for optical detection of object data and a control and evaluation unit () configured to use the object data to decide whether a safety-critical object () is detected in a vicinity of the machine () and in this case to trigger a safety-related reaction, and wherein the control and evaluation unit () is further configured to adapt the sensitivity of a criterion for deciding whether a safety-critical object () is detected as a function of at least one of previously detected objects and simultaneously detected objects.

Optoelectronic safety sensor and method for safeguarding a machine

A method and a safety system for localizing at least two objects has a control and evaluation unit, and at least one radio location system. The radio location system has at least three arranged radio stations, wherein at least two respective radio transponders are arranged at the objects. The two radio transponders are arranged spaced apart from one another. Position data of the radio transponders and thus position data of the objects can be determined by means of the radio location system, and the position data can be transmitted from the radio station of the radio location system to the control and evaluation unit and/or the position data can be transmitted from the radio transponder to the control and evaluation unit. The control and evaluation unit is configured to cyclically detect and compare the position data of the radio transponders.

Safety system and method of localization

A safety system for localizing a movable machine having a safety controller, having at least one radio location system, and having at least one sensor for position determination, wherein the radio location system has radio stations arranged as stationary, wherein at least one radio transponder is arranged at the movable machine, wherein position data of the movable machine can be determined by means of the radio location system, wherein the position data can be transmitted from the radio station or from the radio transponder of the radio location system to the safety controller and position data of the movable machine can be determined by means of the sensor, and wherein the safety controller is configured to compare the position data of the radio location system and the position data of the sensor and to form checked position data on agreement.

Safety system

A method using a safety system and a safety system for localizing at least one person or at least one object in a monitored zone, having at least one control and evaluation unit, having at least one radio location system, wherein the radio location system has arranged radio stations; wherein position data of the person or object can be determined by means of the radio location system; wherein the monitored zone has a plurality of sectors and a plurality of passage zones between the sectors, at least one spatially resolving sensor is associated with each passage zone, and wherein the control and evaluation unit is configured to cyclically compare the position data of the radio location system and the presence data of the spatially resolving sensor in each respective passage zone and to cyclically form status information for the sector.

A safety system and a method having a safety system for localizing and identifying a person or an object, a control and evaluation unit, at least one radio location system, and having at least one identification sensor for identifying the person or the object, wherein a marking is arranged on the person or on the object, wherein the radio location system has arranged radio stations, wherein at least one radio transponder is arranged on the person or on the object, wherein position data of the person or of the object can be determined by means of the radio location system, and wherein the position data can be transmitted from the radio station of the radio location system to the control and evaluation unit, and identification data from the marking on the person or the object can be determined by means of the identification sensor.

A safety system and a method for localizing at least one object having a control and evaluation unit have at least one radio location system. The radio location system has at least three arranged radio stations. Position data of the object can be determined by means of the radio location system and can be transmitted to the control and evaluation unit. At least three radio transponders are arranged at the object, each arranged spaced apart from one another and the three radio transponders form different points on a plane and unambiguously define the plane in space. The control and evaluation unit is configured to compare the position data of the radio transponders and to form checked position data of the object. The control and evaluation unit is configured to form orientation data of the object from the position data of the radio transponders.

A safety system for localizing a person or object has a control and evaluation unit, at least one radio location system, and at least one spatially resolving sensor for the position determination of the person or object. The radio location system has arranged radio stations, wherein at least one radio transponder is arranged at the person or object. Position data and classification data of the person or object can be determined by means of the radio location system. The position data and the classification data can be transmitted from the radio station to the control and evaluation unit and position data and contour data of the person or object can be determined by means of the spatially resolving sensor. The control and evaluation unit is configured to compare the position data of the radio location system and the position data of the spatially resolving sensor.

Safety system and method

An optical scanner comprises a light transmitter for transmitting a light beam; a beam deflection unit that is configured to deflect the transmitted light beam in a periodically varying manner with a predefined period duration in order to scan a detection zone; a light receiver for receiving reflected light; and an electronic control device for controlling the beam deflection unit. The electronic control device is configured to automatically increase or decrease the period duration by a difference amount with respect to a nominal value before or during the operation of the optical scanner in order to counteract crosstalk between the optical scanner and a further optical scanner.

Optical scanner comprising an electronic control device to counteract crosstalk between optical scanners

A method of monitoring a hazardous zone () and a safe optoelectronic distance sensor () for monitoring a hazardous zone () at a movable machine part () having a protected zone (), wherein the safe distance sensor () is arranged at the movable machine part (), wherein a tool () is arranged at the movable machine part (), wherein a plurality of distance sensors () are arranged in a modular manner and wherein the protected zone () is adapted to the tool ().

Distance sensor

An optoelectronic sensor for the distance measurement of objects () in a monitored zone () using a time of flight method, having a light receiver () for receiving light from the monitored zone () and for outputting received signals (), and having an evaluation unit () for determining the time of flight from the received signals (), wherein the light receiver () is an image sensor () having a plurality of light reception elements () which are arranged in a planar manner in a matrix, wherein a first optical element () is arranged in front of at least one light reception element (), with the first optical element () having a filter element () of a filter array (), wherein at least respective first filter elements () and at least respective second filter elements () have different optical attenuations and/or the first optical element () has a lens () of a fly's eye optics (), with the fly's eye optics () having a plurality of lenses (), with a respective lens () being associated with at least one respective light reception element ().

Optoelectronic sensor

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Waldkirch, Germany

Markus Hammes