Siemens Aktiengesellschaft

Siemens Product Lifecycle Management Software Inc.

Siements Aktiengesellschaft

Jan Richter

Maximilian Walter

Thomas Grosch

Mehdi Hamadou

Karl-Hermann Witte

Arquimedes Martinez Canedo

Andreas Maximilian Schenk

Andrés Botero Halblaub

Lars Jordan

A method including a) receiving a computer generated data set of sequencing constraints describing a software system to be executed on an automation system and including software components and runnable function entities distributed over the number of computing nodes; b) generating a transition matrix from the data set of sequencing constraints, the transition matrix having a plurality of matrix elements each of them describing, by a transition value, a transition from a runnable function entity to another runnable function entity; c) receiving a computer generated communication matrix describing communication links between the computing nodes in the automation system; d) generating a Markov chain out of the data set of sequencing constraints and the communication matrix; e) generating a distribution function from the Markov chain describing used resources of the computing nodes by the software components and runnable function entities; and f) optimizing the allocation of resources.

Optimized allocation of resources to nodes of an automation system based on monte carlo simulation

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.

Method and apparatus for the start-up operation of a multi-axis system

A method for the start-up operation of a multi-axis system, the multi-axis system having segments which are movable by a controller in one or more axes, and a tool which is connected to one of the segments and is movable and drivable to a specified position by the controller. The method includes assigning a workspace and a safe space to the multi-axis system, arranging optical markers in an environment, making it possible for an augmented reality system to determine the position of a camera system which records the multi-axis system within the environment, defining a bounding body for each of the components such that the bounding body encloses the component, calculating a position of the bounding body during the movement of the multi-axis system, visualizing the bounding bodies together with an image recorded by the camera system, and checking whether the bounding body intersects with the safe space.

A method for stipulating a starting time for an update for a control apparatus that controls at least one peripheral component in a process automation installation by producing control outputs is disclosed. The update requires at least one predetermined down time. The invention is based on a suitable starting time for performing an update in order to perform an update in the course of operation of a process automation installation without risk. The method involves detecting a current operating state for the at least one peripheral component, taking the detected operating state as a basis for using a controlled system model of the process to simulate what state trajectory the at least one peripheral component negotiates within the down time for a predetermined static control output, and checking whether the state trajectory lies exclusively within a range of admissible operating states, and, if appropriate, starting the update.

Update for an automation installation in the course of operation

A system is provided that facilitates design space exploration with quantitative pruning and ranking. The system may determine a collection of component model solutions corresponding to a functional model with functional model ports for a system to be produced. The component model solutions are comprised of simulated components selected from a component library based at least in part on correspondence between component ports of the simulated components and the functional model ports of the functional model. The system may select a subset of the component model solutions from the collection, which have behaviors determined for each component model solution that are consistent with behaviors determined for the functional model. The system may determine rankings for the component model solutions of the subset relative to each other based on a comparison of behaviors for each component model solution to each other and/or to the behaviors determined for the functional model.

Space exploration with quantitative pruning and ranking system and method

In a method in a computer system for recoding a coded intermediate variable into a recoded result variable a product is formed by multiplying an input constant by an input variable to be coded. The coded intermediate variable is formed as a function of the product and a multiplicative inverse is determined on the basis of the input constant. The multiplicative inverse is applied to the coded intermediate variable, so that no uncoded or partially uncoded interim result is produced and/or an error information potentially contained in the coded intermediate variable is still detectable in the interim result.

Method in a computer system, computer program and data processing system

Regarding a method for operating an industrial controller, a control program executable in a processor that is arranged in the industrial controller is subdivided into a main block and several program blocks. The program blocks are processed under event control that takes a processing priority into consideration. The processor includes a multi-core processor having a plurality of independent sub-processors. The method includes assigning the main block to a first sub-processor, and executing a part program associated with the main block in the first sub-processor. The method also includes assigning each of the several program blocks to the additional sub-processors, and executing the part programs associated with the program blocks in the respective sub-processors. The method further includes operating a control device to evaluate as input variables the processing priority and an event assigned to the respective program block, and switching the sub-processors into active or inactive state using the evaluation.

Method for operating an industrial controller and industrial controller

A method for storing and propagating error information in computer programs, in which a globally valid error variable is used for storing and propagating the error information, wherein for each recognized error a nonzero value for the error is added to the error variable as error information with a respective stipulated arithmetic sign, and wherein the value is formed from a discrepancy in the content of a coded variable from an expected value. This combination and integration of a separate global propagation variable with values derived from an error, particularly by virtue of detected discrepancies in the known error recognition and propagation paths using operations and operands in 'coded processing', achieves an increased propagation certainty.

Method for storing and propagating error information in computer programs

A method and device offering a software diversity of the cited type for floating-point arithmetic, which is applicable in a realtime environment, wherein the method and a device for high-performance validation of the calculation use floating-point numbers of any accuracy within the context of functional safety in accordance with International Electrotechnical Commission (IEC) standard 61508. The method utilizes a specific form of software diversity and has effects on both the runtime environment and the engineering environment.

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Jan Richter