Abstract: Monitoring facility and method for monitoring an opening, wherein to improve the monitoring facility through which objects are channeled via a transportation device, a light curtain includes a transmitter array with transmitters emitting light beams and a receiver array with receivers receiving light beams which recognize interruption of a light beam and provide a signal, where the light curtain is arranged such that the light beams extend orthogonally to a transportation plane of the transportation device, and includes a scanner which scans receiver signals of the light curtain in chronologically consecutive scanning steps and provides each scanned signal as a signal series, a controller unit with a safety program which transmits a shut-off signal to prevent a danger, and an object recognition system arranged opposite to the transportation direction in front of the light curtain which is configured to recognize objects and to derive parameters therefrom for their geometric shape.

Abstract: A method and an associated controller for safely operating a multi-axis kinematic system by using a safety function are disclosed. The method includes calculating compensation values at the run time of a controller of the multi-axis kinematic system, wherein the calculation is performed based on predefinable error values of respective axes, geometric parameters of the multi-axis kinematic system, and current axis values of the multi-axis kinematic system. The method further includes operating the safety function based on the calculated compensation values.

Abstract: Automation system, apparatus and method for coupling a device network and a communication network, wherein the system verifies addressing of components in an automation system having a hyper-convergent infrastructure, where a gateway extends data telegrams to include a device-specific signature if such a signature cannot be implemented by the automation device of the automation system itself.

Abstract: An apparatus and method for controlling a process plant in which a number of control processes are performed on common hardware, wherein encoded process variables are encoded in each of the control processes based on signatures that are defined individually in each of the control processes.

Abstract: A method for projecting safety-related monitoring for a multi-axis kinematic system with multiple movable segments. The method includes assigning multiple respective segment kinematic zones to in each case one or more segments of the multi-axis kinematic system, wherein the respective segment kinematic zones are formed by segment bounding volumes in dependence on the respective segments, providing respective movements of the respective segments in the Cartesian space, ascertaining for each segment spatial elements to be passed through as a result of the respective movements provided, determining for each segment respective overall bounding volumes as respective segment working zones on the basis of the ascertained spatial elements to be passed through, and providing the respective segment working zones for the projecting of a safety function of the safety-related monitoring.

Abstract: A method for monitoring a working environment of a movable device utilizing a monitoring apparatus, wherein the working environment includes a working area and at least one protected area and the movable device is located within the working area during normal operation of said movable device, where the method includes a user inputting a plurality of convex polytopes into the monitoring apparatus, the convex polytopes corresponding to areas in which the movable device is located during normal operation, determining a convex polytope hull using the monitoring apparatus, the convex polytope hull completely enclosing the multiplicity of convex polytopes, and determining the at least one protected area by calculating a difference from the convex polytope hull and the input using the monitoring apparatus, such that monitoring of the position of the movable device is simplified because the working area can be modeled autonomously.

Abstract: Devices for and related methods of treating a subject having a neurological injury to prevent or mitigate secondary injury are described. In an example, the devices include a base and a plurality of microneedles protruding from the base, the microneedles including a biocompatible and biodegradable matrix, and a neurologically active ingredient disposed within the matrix. In an example, a portion of the plurality of microneedles is shaped to penetrate the dura when the device is placed in contact with the dura.

Abstract: A method for monitoring acceleration of a number A of axes of a multi-axis kinematic system utilizes a sampling process with a first sampling interval, wherein a first acceleration limit value assigned to the first sampling interval and a second different acceleration limit value is determined for the acceleration, where a second time interval is assigned to the second acceleration limit value, a plurality of position values of the axis is determined by sampling with the first sampling interval, a current acceleration is calculated via the ascertained position values, and the calculated current acceleration is monitored via a first instance of monitoring utilizing the first acceleration limit value and the assigned first sampling interval and, simultaneously, via a second instance of monitoring utilizing the second acceleration limit value and the assigned second time interval, such that acceleration of an axis is monitored using at least two acceleration limit values simultaneously.

Abstract: A method and an associated controller for safely operating a multi-axis kinematic system by using a safety function are disclosed. The method includes calculating compensation values at the run time of a controller of the multi-axis kinematic system, wherein the calculation is performed based on predefinable error values of respective axes, geometric parameters of the multi-axis kinematic system, and current axis values of the multi-axis kinematic system. The method further includes operating the safety function based on the calculated compensation values.

Abstract: A method for setting up safe operation of a multi-axis kinematic system, a method for safely operating a multi-axis kinematic system, and to an input device for setting up safe operation of a multi-axis kinematic system and a corresponding computer program product. A method includes providing error values of respective axes and ascertaining a compensation value for at least one variable of the safety function on the basis of the error values, on the basis of geometric parameters of the multi-axis kinematic system and on the basis of axis values of the respective axes that are obtained from trajectories of the multi-axis kinematic system.

Abstract: In order to enable a seamless configuration modification during operation, a first automation device sends a second automation device a request for parameter modification. The second automation device responds to the request, such that a standby acknowledgement of the request is sent. Immediately with the transmission of the standby acknowledgement in the second automation device, an output process image is frozen, and the modification of the communication parameters for the second automation device is carried out. The first automation device responds, such that after receiving the standby acknowledgement in the first automation device, the communication is immediately stopped and the modification of the communication parameters is carried out for the first automation device. An input process image is frozen.

Abstract: A method for functionally secure connection identification during data exchange between two communication subscribers in a communication system, wherein a first subscriber operates as a data provider with a first address identifier and a second subscriber operates as a data requester with a second address identifier, wherein in a request of safety-related data of the first subscriber in a request message, the second subscriber transmits an order number of the data request and its second address identifier and the first subscriber responds with a response message, the second subscriber subsequently checking to determine whether this message contains (i) a second address identifier of the requesting second subscriber, (ii) an order number of the request message of the second subscriber and (iii) the first address identifier of the requested first subscriber, in the event all checking steps are positive, the safety-related data being accepted and otherwise discarded.

Abstract: A computer program product, a device, a functionally secure programmable controller and a method for processing data via coded operations in a number of cycles, wherein an uncoded variable x is coded with a cycle-specific signature D and a variable-specific signature Bx to form a coded variable xc in accordance with the relationship: xc=D·x+Bx.

Abstract: A method for functionally secure connection identification for data exchange via a telegram between a source data service and a sink data service, wherein whether the time stamp of an incoming telegram is older than the time stamp of a predecessor telegram is determined, upon receipt of the predecessor telegram a monitoring counter being started and whether the currently incoming telegram has arrived within a monitoring time is additionally determined, where a local time stamp of a local time basis is compared with the associated time stamp of the incoming telegram and whether a comparison difference does not exceed a period of time is determined, a telegram arriving only being accepted as valid if the time stamp of the arriving telegram is greater than the time stamp of the telegram most recently accepted as valid, and data is valid if the checks are positive, otherwise a fail-safe reaction is triggered.

Abstract: A method for monitoring a working environment of a movable device utilizing a monitoring apparatus, wherein the working environment includes a working area and at least one protected area and the movable device is located within the working area during normal operation of said movable device, where the method includes a user inputting a plurality of convex polytopes into the monitoring apparatus, the convex polytopes corresponding to areas in which the movable device is located during normal operation, determining a convex polytope hull using the monitoring apparatus, the convex polytope hull completely enclosing the multiplicity of convex polytopes, and determining the at least one protected area by calculating a difference from the convex polytope hull and the input using the monitoring apparatus, such that monitoring of the position of the movable device is simplified because the working area can be modeled autonomously.

Abstract: A method for monitoring acceleration of a number A of axes of a multi-axis kinematic system utilizes a sampling process with a first sampling interval, wherein a first acceleration limit value assigned to the first sampling interval and a second different acceleration limit value is determined for the acceleration, where a second time interval is assigned to the second acceleration limit value, a plurality of position values of the axis is determined by sampling with the first sampling interval, a current acceleration is calculated via the ascertained position values, and the calculated current acceleration is monitored via a first instance of monitoring utilizing the first acceleration limit value and the assigned first sampling interval and, simultaneously, via a second instance of monitoring utilizing the second acceleration limit value and the assigned second time interval, such that acceleration of an axis is monitored using at least two acceleration limit values simultaneously.

Abstract: A method for checking a signal transmission of a specified message with a number of d bits from a sender to a receiver by a control unit using a linear block code generated via a coding tool, a channel model, and a specified linear feedback shift register, which is parameterized via a generator polynomial, wherein the residual error probability of different Markov-modulated Bernoulli processes is calculated, where boundary conditions for signal transmission can be specified by using a characterizing Markov-modulated Bernoulli process and also a linear feedback shift register, where integration of the calculation of the residual error probability is performed in a dynamic, intelligent control circuit such that the respective residual error probabilities can be determined for different generator polynomials.

Abstract: A method for protecting data in a data memory against an undetected change, wherein a functional variable x is encoded via a value, an input constant, an input signature and a timestamp D into a coded variable, where the functional variable is normalized relative to a base to form the integer value from the functional variable.

Abstract: In a method for the start-up operation of a multi-axis system, with the multi-axis system including, as components, segments connected via respective joints and are movable in one or more axes, and a tool, connected to one of the segments and is movable to a specified position, optical markers are arranged in the environment. Position coordinates of the optical markers in a first, global coordinate system are ascertained and stored in the controller. The environment is captured as image data by a camera system. The image data are transmitted to an AR system and visualized in an output apparatus. The optical markers and virtual markers are represented during the visualization of the image data, wherein a respective virtual marker is assigned to an optical marker. A check is performed as to whether an optical marker and the virtual marker overlay one another in the visualized image data.

Abstract: A method for functionally secure connection identification for data exchange via a telegram between a source data service and a sink data service, wherein whether the time stamp of an incoming telegram is older than the time stamp of a predecessor telegram is determined, upon receipt of the predecessor telegram a monitoring counter being started and whether the currently incoming telegram has arrived within a monitoring time is additionally determined, where a local time stamp of a local time basis is compared with the associated time stamp of the incoming telegram and whether a comparison difference does not exceed a period of time is determined, a telegram arriving only being accepted as valid if the time stamp of the arriving telegram is greater than the time stamp of the telegram most recently accepted as valid, and data is valid if the checks are positive, otherwise a fail-safe reaction is triggered.