Patents by Inventor Kai Höfig

Kai Höfig has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10481989
    Abstract: A method and apparatus for generating a fault tree for a failure mode of a multi-mode system which includes a plurality of system components, the method includes the steps of providing component fault tree elements of the system components, wherein each component fault tree element includes at least one component fault tree mode element, representing a failure-relevant operation mode of the respective system component; selecting at least one component fault tree mode element representing a system state of the system; and generating the fault tree by incorporating the selected component fault tree mode elements the generated fault tree representing a failure behaviour of a system state of the system.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: November 19, 2019
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Kai Höfig, Marc Zeller
  • Publication number: 20190340356
    Abstract: A goods processing apparatus includes a controller including a program memory, a security module, a first communication interface that is configured to, in cooperation with the security module, securely communicate with a remote server, and an acoustic output device electrically connected with the controller and configured to output audio files or sound files. The security module and the first communication interface can be electrically connected with the controller. The program memory may store a program to control the acoustic output via the acoustic output device. The program can facilitate external commands being transmitted from the remote server, or from one or more other internet sources, to the controller. Via security measures, operational security of the goods processing apparatus is prevented from being negatively affected, or harmful code is prevented from being transmitted to controller.
    Type: Application
    Filed: May 3, 2019
    Publication date: November 7, 2019
    Applicant: Francotyp-Postalia GmbH
    Inventors: Matthias Lorenzen, Kai Nicolai, Axel Ortmann, Tobias Reisinger, Robert Hoefig, Karsten von der Waydbrink
  • Publication number: 20190250599
    Abstract: Provided is a method and system for conducting automatically a process failure mode and effect analysis, PFMEA, for a factory adapted to produce a product in a production process using a meta model, MM, stored or loaded in a data storage, wherein the stored meta model, MM, comprises abstract factory model elements modeling an abstract factory, AF, including one or more service declarations modeling abstract services across different factories, wherein each service declaration comprises failure mode declarations for different failure modes.
    Type: Application
    Filed: January 31, 2019
    Publication date: August 15, 2019
    Inventors: KAI HÖFIG, DANIEL RATIU, STEFAN ROTHBAUER
  • Patent number: 10372848
    Abstract: A method and an apparatus for providing a safe operation of a technical system including a plurality of system components. The method includes the steps of: a) providing a safety analysis model matured by knowledge about former implementations of the respective system components in different context, b) whereby system components' dependencies are modeled by connecting inports with outports of the respective system components and/or vice versa, c) whereby at least one or a plurality of such in and/or outports are associated with input failure modes and/or output failure modes, d) characterized in automatically uncovering inconsistencies caused by at least one system component to be integrated in connection with at least another system component whereby the input and/or output failure mode of the system component carries the knowledge from another implementation into the context.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: August 6, 2019
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Kai Höfig, Marc Zeller
  • Patent number: 10359773
    Abstract: Techniques of safety assurance using fault trees for identifying dormant system failure states are provided. Both operational failure events, as well as diagnostic failure events are included in a fault tree and the operational failure events are then correlated with the diagnostic failure events, which enables an identification of the dormant system failure states. A component fault tree can be used.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: July 23, 2019
    Assignee: SIEMENS AKTIENGESELSCHAFT
    Inventors: Kai Höfig, Jean-Pascal Schwinn, Marc Zeller
  • Patent number: 10241852
    Abstract: A method for automated qualification of a safety critical system including a plurality of components is provided. A functional safety behavior of each component is represented by an associated component fault tree element. The method includes automatically performing a failure port mapping of output failure modes to input failure modes of component fault tree elements based on a predetermined generic fault type data model stored in a database.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: March 26, 2019
    Assignee: Siemens Aktiengesellschaft
    Inventors: Kai Höfig, Marc Zeller
  • Patent number: 10198303
    Abstract: A method for analyzing functional failures of a technical system using a processor to compute a meta data model, including the following steps is provided. A first step of gathering at least one failure mode for each component of a system dataset describing the technical system. A second step of associating at least one effect and at least one related maintenance task with each failure mode to mitigate and/or to dissolve the effect in the meta data model. A third step of computing failure probabilities of said technical system based on the meta data model, while the technical system is in the specific situation.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: February 5, 2019
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Kai Höfig, Andreas Joanni, Francesco Montrone
  • Patent number: 10185612
    Abstract: An apparatus and method for analyzing availability of a system including subsystems each having at least one failure mode with a corresponding failure effect on the system are provided. The apparatus includes a degraded mode tree generation unit configured to automatically generate a degraded mode tree. The degraded mode tree includes at least one degraded mode element representing a degraded system state of the system that deviates from a normal operation state of the system based on a predetermined generic system meta model stored in a database including Failure Mode and Effects Analysis elements representing subsystems, failure modes, failure effects, and diagnostic measures. The apparatus also includes a processor configured to evaluate the generated degraded mode tree for calculation of the availability of the system.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: January 22, 2019
    Assignee: Siemens Aktiengesellschaft
    Inventor: Kai Höfig
  • Publication number: 20180356810
    Abstract: Techniques of safety assurance using fault trees for identifying dormant system failure states are provided. Both operational failure events, as well as diagnostic failure events are included in a fault tree and the operational failure events are then correlated with the diagnostic failure events, which enables an identification of the dormant system failure states. A component fault tree can be used.
    Type: Application
    Filed: March 8, 2018
    Publication date: December 13, 2018
    Inventors: KAI HÖFIG, JEAN-PASCAL SCHWINN, MARC ZELLER
  • Publication number: 20180349420
    Abstract: An optimization method and system configured to perform a continuous optimization of a value chain of an investigated manufactured system, wherein in each stage of the value chain items related to the investigated system include associated sets of failure modes, fm, with corresponding measures, m, wherein each failure mode, fm, refers to a global system effect, e, of the investigated system, wherein each stage of the value chain of the investigated system is adapted to report separately its measures, m, effectiveness values, ev1, and effort values, ev2, to update a global FMEA data model using a meta model, MM, wherein the optimization system includes a calculation unit configured to perform a global failure mode effect, FMEA, analysis of the investigated system for its entire value chain using the updated global FMEA data model to generate an optimized set, M, of measures, m.
    Type: Application
    Filed: March 14, 2018
    Publication date: December 6, 2018
    Inventor: Kai Höfig
  • Patent number: 10140168
    Abstract: A method for a reusable reliability centered maintenance of a technical system is provided, by executing the following steps: In a first step the meta data model is segmented in three sections to structure datasets of at least one database, wherein the first section comprises a collaborative dataset about components and at least one dominant failure mode associated with the components, the second section comprises a reusable dataset about at least one preventive maintenance task, the third section comprises a product dataset. In a second step at least one component instance is created for the third section by selecting at least one component of the components to describe said technical system. In a third step it is checked, if the preventive maintenance task is a valid task to prevent the dominant failure mode of the dominant failure mode instance for said technical system.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: November 27, 2018
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Kai Höfig, Francesco Montrone
  • Publication number: 20180267090
    Abstract: A computer based method for a reusable functional failure test for a specific technical system, e.g., a traffic light system is provided. The method avoids inconsistencies in the functional failure test and reuses items of the respective data structures. Furthermore, the embodiment can identify components or electronic devices that do exceed assumed failure rates and that might be repaired or replaced to keep implementations of the specific technical in the desired failure rate limitations of the analysis, which can be done during the operation of the specific technical system.
    Type: Application
    Filed: March 12, 2018
    Publication date: September 20, 2018
    Inventors: KAI HÖFIG, LUKE WILDMAN
  • Patent number: 10061670
    Abstract: An apparatus includes an input that receives a continuous function chart for each component of the investigated safety-critical system. A processor generates a corresponding component fault tree element. Inports and outports of the component fault tree element are generated and interconnected based on unique names of the inputs and outputs of the corresponding continuous function chart of the respective system component. Input failure modes and output failure modes are generated based on generic mapping between connector types of the continuous function chart and failure types of failure modes of the component fault tree element. The input failure modes of a component fault tree element are connected to output failure modes of the component fault tree element via internal failure propagation paths based on interconnected function blocks of the continuous function chart of the respective system component. An output outputs the generated component fault tree of the safety-critical system.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: August 28, 2018
    Assignee: Siemens Aktiengesellschaft
    Inventors: Kai Höfig, Marc Zeller
  • Patent number: 9954864
    Abstract: A safety apparatus for providing a safe operation of a subsystem within a safety critical system, SCS is disclosed herein. The safety apparatus includes: a system communication interface for communication with components of the subsystem and other subsystems of the safety critical system; a backend communication interface for communication with a safety cloud backend; an integrated identifier memory storing a unique identifier of the subsystem; and an authorization control unit configured to perform a handshake authorization procedure with another target subsystem of the safety critical system via the system communication interface, and with the safety cloud backend via the backend communication interface to get authorization for the subsystem to execute a safety critical function on the target subsystem of the safety critical system based on the unique identifiers of both subsystems.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: April 24, 2018
    Assignee: Siemens Aktiengesellschaft
    Inventor: Kai Höfig
  • Publication number: 20180074484
    Abstract: A method and apparatus for generating a fault tree for a failure mode of a complex system including a plurality of components, the method includes the steps of providing component fault tree, CFT, elements of the components; linking the components according to their failure dependencies within the complex system; and generating the fault tree by incorporating for each dependency link from a first component to a second component the output failure modes of the component fault tree element of the second component into the component fault tree element of the first component to trigger the output failure modes of the first component.
    Type: Application
    Filed: April 28, 2015
    Publication date: March 15, 2018
    Inventors: Reiner Heilmann, Kai Höfig
  • Publication number: 20180018209
    Abstract: A computer-based method for generating a component fault tree for a technical system is provided, including loading a data model of a failure mode and effect analysis for the technical system, generating for each component of the technical system a component element for the component fault tree, wherein component output ports of the component elements are connected to input ports of the component elements, generating for each component of the data model a component fault tree element for the respective component element, wherein each component fault tree element is associated with the respective component element, generating for each failure effect of a failure mode of a component of the data model an output failure mode for the respective component fault tree elements, and generating for each failure mode of the component of the data model a basic event for the respective component fault tree elements.
    Type: Application
    Filed: June 22, 2017
    Publication date: January 18, 2018
    Inventors: Kai Höfig, Marc Zeller
  • Publication number: 20170344673
    Abstract: A method and an apparatus for providing a safe operation of a technical system including a plurality of system components. The method includes the steps of: a) providing a safety analysis model matured by knowledge about former implementations of the respective system components in different context, b) whereby system components' dependencies are modeled by connecting inports with outports of the respective system components and/or vice versa, c) whereby at least one or a plurality of such in and/or outports are associated with input failure modes and/or output failure modes, d) characterized in automatically uncovering inconsistencies caused by at least one system component to be integrated in connection with at least another system component whereby the input and/or output failure mode of the system component carries the knowledge from another implementation into the context.
    Type: Application
    Filed: May 22, 2017
    Publication date: November 30, 2017
    Inventors: Kai Höfig, Marc Zeller
  • Patent number: 9798605
    Abstract: The embodiments relate to methods and systems for supporting a global effect analysis of a technical system. The embodiments include providing a meta-model stored in a computer readable storage medium, where the meta-model comprises at least one assembly of the technical system comprising parts having an associated set of failure mode elements, and where each failure mode element has an associated local effect element. The embodiments also include clustering local effect elements within global effect elements to generate a global effect tree stored within the meta-model.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: October 24, 2017
    Assignee: Siemens Aktiengesellschaft
    Inventor: Kai Höfig
  • Publication number: 20170185470
    Abstract: An apparatus includes an input that receives a continuous function chart for each component of the investigated safety-critical system. A processor generates a corresponding component fault tree element. Inports and outports of the component fault tree element are generated and interconnected based on unique names of the inputs and outputs of the corresponding continuous function chart of the respective system component. Input failure modes and output failure modes are generated based on generic mapping between connector types of the continuous function chart and failure types of failure modes of the component fault tree element. The input failure modes of a component fault tree element are connected to output failure modes of the component fault tree element via internal failure propagation paths based on interconnected function blocks of the continuous function chart of the respective system component. An output outputs the generated component fault tree of the safety-critical system.
    Type: Application
    Filed: December 28, 2015
    Publication date: June 29, 2017
    Inventors: Kai Höfig, Marc Zeller
  • Publication number: 20170132054
    Abstract: A method and apparatus for generating a fault tree for a failure mode of a multi-mode system which includes a plurality of system components, the method includes the steps of providing component fault tree elements of the system components, wherein each component fault tree element includes at least one component fault tree mode element, representing a failure-relevant operation mode of the respective system component; selecting at least one component fault tree mode element representing a system state of the system; and generating the fault tree by incorporating the selected component fault tree mode elements the generated fault tree representing a failure behaviour of a system state of the system.
    Type: Application
    Filed: August 29, 2016
    Publication date: May 11, 2017
    Inventors: Kai Höfig, Marc Zeller