Abstract: A magnetic resonance tomography system has a frequency control device for temperature compensation, a temperature sensor, and a high frequency generator. An output frequency of an output signal from the high frequency generator is dependent on a value of a digital frequency variable, and a synthesis signal with the system frequency is generated dependent on the output signal. A temperature change is detected using the temperature sensor, a temperature-time function of the temperature is determined using the temperature change that has been detected, a time is determined at which a change in the digital frequency variables in the least significant bit brings about a change in the frequency of the synthesis signal that corresponds with a change in the system frequency due to a temperature, according to the interpolated temperature-time function, and the digital frequency variable in the least significant bit is changed at the specified time.
Abstract: In a method and magnetic resonance apparatus for implementing a magnetic resonance fingerprinting examination of an examination subject, a first signal waveform database containing multiple first database signal waveforms is provided to a processor, and a second signal waveform database is generated therefrom with a fewer number of signal waveforms therein than said multiple first database signal waveforms. A magnetic resonance signal waveform of a voxel of an examination region is acquired using a magnetic resonance fingerprinting method, and this is compared to the second database signal waveforms, and the comparison result is provided in electronic form.
Abstract: A method for starting a steam turbine system having a steam generator, a steam turbine which is connected to the steam generator and includes at least two turbine stages that, at the time of starting the steam turbine system, have different outlet temperatures, a condenser connected to the steam turbine and a consumer driven by the steam turbine, in which the steam generated in the steam generator is used to start the steam turbine, wherein, until the steam generated in the steam generator reaches a predetermined temperature that at least corresponds to the temperature requirement of the turbine stage with the higher outlet temperature, only the turbine stage with the lower outlet temperature is operated, and in that the turbine stage with the higher outlet temperature is brought on-line only once the predetermined temperature has been reached.
Type:
Grant
Filed:
April 30, 2015
Date of Patent:
August 20, 2019
Assignee:
Siemens Aktiengesellschaft
Inventors:
Edwin Gobrecht, Jan Greis, Matthias Heue, Tobias Hogen
Abstract: In a method for exhaust gas aftertreatment, in which an exhaust gas to be aftertreated, which is produced during combustion of a fuel, is treated with a reducing agent. A constituent of the fuel is hereby also used as a constituent of the reducing agent, with the constituent of the fuel which is also used as a constituent of the reducing agent being hydrogen. The hydrogen is produced from water, and the reducing agent is a mixture of hydrogen and ammonia.
Type:
Grant
Filed:
March 25, 2015
Date of Patent:
August 20, 2019
Assignee:
Siemens Aktiengesellschaft
Inventors:
Erik Wolf, Ralf Sigling, Henrik Stiesdal
Abstract: In a field-programmable gate array (FPGA) configuration circuit, and a radio-frequency unit and a magnetic resonance system having a configuration circuit, the configuration circuit has at least two FPGA modules, each FPGA module being individually connected to a bus; at least two storage devices, each storage device storing a configuration file; one of the at least two FPGA modules being connected to the at least two storage devices separately, and an input end, connected separately to the at least two storage devices. A selection signal is provided for selecting one of the at least two storage devices. The FPGA module connected to the at least two storage devices reads a configuration file stored in a storage device selected on the basis of the selection signal, and sends, via the bus, the configuration file that has been read to the FPGA module other than the FPGA module connected to the at least two storage devices.
Abstract: A slip ring unit for an electrically excited rotor of a rotary dynamo-electric machine includes an electrical terminal which protrudes axially from an end face of the slip ring unit and having a contact point and a circumferential slip contact surface electrically connected to the electrical terminal. Disposed adjacent to the slip contact surface is an insulation element, with end plates axially retaining the circumferential slip contact surface and the insulation element. An electrically insulated support element is arranged on an end face of the slip ring unit and has a cross section which substantially matches a cross section of the slip ring unit. The support element axially surrounds the electrical terminal and radially supports the electrical terminal.
Abstract: A contouring processor transmits contour data to a radiotherapy device, and uses a key generated by a key generator, which identifies a target volume to be irradiated. The contouring processor is designed to access a contour database in order to acquire reference contour data in reference images relating to the target volume for determining the contour data. The contouring processor has a calculation processor designed to calculate volume percentiles from the acquired reference contour data and to emit them on a user interface to determine the contour data.
Abstract: For correction of an image from an imaging system, a deep-learnt generative model is used as a regularlizer in an inverse solution with a physics model of the degradation behavior of the imaging system. The prior model is based on the generative model, allowing for correction of an image without application specific balancing. The generative model is trained from good images, so difficulty gathering problem-specific training data may be avoided or reduced.
Type:
Grant
Filed:
May 16, 2017
Date of Patent:
August 20, 2019
Assignee:
Siemens Healthcare GmbH
Inventors:
Boris Mailhe, Hasan Ertan Cetingul, Benjamin L. Odry, Xiao Chen, Mariappan S. Nadar
Abstract: Aspects of the present invention are directed to devices, systems and methods that enable the quick and reliable detection of hemolysis in a sample such that a sample which exhibits an unacceptable level of hemolysis can be flagged or disregarded in an associated diagnostic test.
Type:
Grant
Filed:
September 29, 2015
Date of Patent:
August 20, 2019
Assignee:
Siemens Healthcare Diagnostics Inc.
Inventors:
Andrew John Baxter, Paul William Cotton
Abstract: In a method for attenuation correction of emission tomography scan data acquired from an examination object in a combined magnetic resonance emission tomography apparatus, wherein an interference object is situated in the examination region, which causes a magnetic interference field during combined magnetic resonance emission tomography imaging, magnetic resonance scan data of the examination object are acquired by executing a magnetic resonance sequence designed to at least partially compensate inference due to the magnetic interference field. Emission tomography scan data are acquired and an attenuation map is generated using the acquired magnetic resonance scan data. Attenuation correction of the emission tomography scan data is implemented using the generated attenuation map.
Abstract: Using information available from the controller or controllers of air-handling units, a remote server uses a heuristic model to determine settings for the air-handling units. Rather than just using rules for each air-handling unit, a model-based solution determines the settings. The model is used to optimize operation of the air distribution. In additional or alternative embodiments, measurements are gathered and used to derive analytics. The measurements may include data not otherwise used for rule-based control of the air handling unit. The analytics are used to predict needs, as inputs to the modeling, identify problems, and/or identify opportunities.
Type:
Grant
Filed:
September 30, 2015
Date of Patent:
August 20, 2019
Assignee:
Siemens Industry, Inc.
Inventors:
Osman Ahmed, Robert J. Cowan, James John Walker, Robertito Raymundo
Abstract: A distributed process control system having at least one automation unit on the plant side that calculates a plurality of first process variables and influences the process that is connected by first data link to a monitoring system that controls and/or monitors the process. The system has an external computing unit that is connected by a distributed communication mechanism to the automation unit and exchanges data with it using a second data link. The external computing unit calculates a plurality of second process variables that the of the automation unit uses to influence the process. A method for extending the function of at least one plant-side automation unit is also disclosed.
Abstract: A method, computer program product and controller for controlling communication services for a plurality of applications on a physical network having a plurality M of network nodes providing certain network resources, wherein each of the applications is described by a set of requirements and is configured to run on at least two of the network nodes. The controller includes a generator and a calculator. The generator generates a network model of the physical network including a topology of the physical network and a node model for each of the network nodes, where the node model describes node capabilities and node resources of the network node. The calculator calculates virtual networks for the applications by mapping each respective set of requirements of the applications to the generated network model, where each of the calculated virtual networks includes at least two network nodes and a slice of the certain network resources.
Abstract: A method for producing silicate-containing magnetic particles having a closed and tight silicate layer and high purity. In addition, the novel method prevents an uncontrolled formation of aggregates and clusters of silicates on the magnetite surface, thereby having a positive influence on the properties and biological applications. The method enables depletion of nanoparticulate solid substance particles on the basis of a fractionated centrifugation. The silicate-coated magnetic particles exhibit optimized magnetization and suspension behavior as well as advantageous run-off behavior from plastic surfaces. These highly pure magnetic particles coated with silicon dioxide are preferably used for isolating nucleic acids from cell and tissue samples, whereby the separating out from a sample matrix ensues by means of magnetic fields.
Abstract: A method is provided for the automatic determination of at least one joint load information item concerning a joint of a patient, wherein at least one image data set of the loaded joint is recorded by an imaging apparatus. Several image data sets of the joint, of which at least one is three-dimensional, are recorded in each case for different loading states by the imaging apparatus. By combined evaluation of the image data sets, the at least one joint load information item is determined.
Abstract: A method for operating a technical system, an apparatus and method for determining a movement profile, control apparatus and the actual technical system that includes at least one drive to move at least one axis, wherein at least one optimized movement profile of the axis is calculated with the aid of an optimization method that calculates an optimized movement profile with reference to preset points of a movement profile and/or preset regions of the movement profile, where for simplified and particularly understandable use, the optimization method includes physical boundary conditions from the start of the optimization method, where the use and initialization of the technical system by the user is made more understandable, for example, and where the optimized movement profile is used to control the at least one drive of the technical system.
Type:
Grant
Filed:
December 18, 2015
Date of Patent:
August 20, 2019
Assignee:
Siemens Aktiengesellschaft
Inventors:
Raimund Kram, Uwe Ladra, Hartmut Linke, Elmar Schaefers, Peter Wagner
Abstract: The disclosure relates to a method for calibration in a magnetic resonance (MR) imaging procedure, in which MR imaging data is acquired simultaneously from a multiplicity of slices of a subject under examination, wherein at least one subsampled calibration dataset is generated from a fully sampled reference dataset of an individual slice by rearranging an order of the data points in the reference dataset. In addition, a reconstruction dataset, which is used to assign MR imaging data to the individual slice, is calculated based on the rearranged order of the at least one calibration dataset, wherein the MR imaging data of the individual slice is subsampled in k-space.
Abstract: A stator assembly includes a stator frame structure having an outer annular frame with an outer edge running around a center axis; a plurality of stator segments mounted at the outer edge along a circumferential direction of the outer edge, each stator segment comprising at least one electric coil; and a wiring arrangement electrically connecting the stator segments with an electric power interface. The wiring arrangement comprises a plurality of wiring assemblies, each wiring assembly electrically connecting one of the plurality of stator segments with the power interface is provided. Each wiring assembly is routed along and next to the outer annular frame and comprises electric cables connected in between the electric interface and the respective stator segment, wherein the electric cables are provided with electric insulation structures each surrounding one of the electric cables. Further described is an electric generator and a wind turbine with such a stator assembly.
Abstract: An actuator for switching a switching unit includes a mechanical display having a window and a display surface visible through said window, where the display surface is positioned at a guiding projection that is subjected to a force from an elastic element.
Type:
Grant
Filed:
April 16, 2014
Date of Patent:
August 20, 2019
Assignee:
Siemens Aktiengesellschaft
Inventors:
Markus Greitner, Waldemar Hensch, Alexander Keintzel