Abstract: A method, system and computer-readable medium for reducing repeater power and crosstalk are provided. The method includes generating a model of a circuit including a plurality of original repeaters connected between at least one source and at least one sink, performing a power optimization analysis on the plurality of original repeaters to change the plurality of original repeaters to low-power repeaters based on predetermined optimization parameters, performing a crosstalk analysis on the model of the circuit including the low-power repeaters to determine whether a crosstalk timing violation exists, and changing at least one of the low-power repeaters to a higher-power repeater when it is determined that a crosstalk violation exists, and leaving the low-power repeaters in the model of the circuit when it is determined that a crosstalk violation does not exist.

Abstract: Systems and methods for determining an appropriate parameter order for a building energy use model are provided. A described method includes receiving an energy use model for a building site, obtaining a plurality of data points, calculating a first regression statistic indicating a fit of the energy use model to the plurality of data points under a null hypothesis and a second regression statistic indicating a fit of the energy use model to the plurality of data points under an alternative hypothesis, and comparing a test statistic to a threshold value. The test statistic is a function of the first regression statistic and the second regression statistic. The method further includes determining an appropriate parameter order for the energy use model based on a result of the comparison.

Abstract: A system for accelerated assessment of operational uncertainties in an electrical power distribution system includes a plurality of utility assets, and a distribution analysis (“DA”) system. DA system includes a preparation module configured to identify a first network model and a reduced network model for the electrical power distribution system. DA system also includes an input module configured to identify a plurality of scenarios, and a reduced-model-analysis module configured to analyze the reduced network model using the plurality of scenarios, generating a first set of results, and to select a subset of scenarios based on the first set of results. DA system further includes a full-model-analysis module configured to analyze the first network model using the subset of scenarios, generating a second set of results. DA system also includes a command module configured to dispatch configuration commands to utility assets based on the second set of results.

Abstract: A method implemented in a computer infrastructure having computer executable code tangibly embodied on a computer readable medium having programming instructions operable to perform a thermal analysis of a data center and overlay the thermal analysis on a map of the data center to provide an overlaid thermal analysis. Additionally, the programming instructions are operable to receive a user selection of at least one modeled partition location based on the overlaid thermal analysis and dynamically model a modeled partition for each of the at least one modeled partition location in the data center to create a modeled data center region.

Abstract: A system and method for modeling a distribution of a tire footprint boundary (202) include inputting a finite element model of a tire rolling against a road surface described by discrete road surface coordinates into a finite element analysis system (100). A finite element analysis simulation of tire model rolling against the road surface for a plurality of time increments is performed. A plurality of tire footprint boundary (202) data are generated, each having road surface coordinates on which a footprint boundary (202) overlaps during a unique one of a second plurality of time increments. The number of second plurality of time increments during which the footprint boundary (202) overlaps the each of the discrete road surface coordinates is determined for each of the time increments of the simulation. For each coordinate, the number of the second plurality of time increments may be associated with a color scale or grayscale (510).

Abstract: A computer receives a set of spatial coordinates from a motion-sensing input device, the spatial coordinates describing a position of at least one joint of a limb of a human model. The computer sends the set of spatial coordinates to a computer-aided design application, the computer-aided design application representing movements of the ergonomic manikin based on changes in limb angles described by a plurality of instances of angle data. The computer receives angle specifications from a computer-aided design application, the angle specifications corresponding to an angle of the limb in at least one three-dimensional plane. The computer converts the set of spatial coordinates to angle data in accordance with the received angle specifications, the angle data describing positioning of the limb.

Abstract: Methods and apparatuses are provided to select coefficients for modeling a system. Data collected from the system is used to generate a data matrix. An upper triangular matrix can be generated in accordance with the data matrix, and the upper triangular matrix can be pruned to remove selected rows and columns from the upper triangular matrix, thereby generating a pruned data matrix. A coefficient vector can be generated in accordance with the pruned data matrix. Various alternative methods of selecting coefficients for modeling the system, as well as apparatus, devices, and systems for performing said methods, are also provided.

Abstract: A computing device may create a link between a first attribute of a model and an attribute from a spatial environment. The model, when executed, may simulate the behavior of a system. The computing device may further observe a physical object in the spatial environment, and receive a value of the attribute from the spatial environment based on observing the physical object in the spatial environment. The computing device may also adjust a value of a second attribute, of the model, from a first value to a second value based on the created link and the received value of the attribute from the spatial environment. The computing device may execute the model using the second value.

Abstract: A computer-implemented method for use in analyzing a model of a repetitive structure includes generating a plurality of blocks based on the model such that the blocks are arranged end to end. The method also includes defining at least one boundary condition on an inlet of the model and on an outlet of the model, generating a plurality of constraints to be applied to the blocks to define connectivity between adjacent blocks, defining an inlet state based on the boundary condition and at least a portion of the constraints. The method further includes detecting when a first block passes a trigger plane at the inlet of the model, erasing a state of a second block at the outlet of the model, shuffling the second block to an inlet zone, and resetting the state of the second block to the inlet state.

Abstract: A simulation device having an ESD (Electro Static Discharge) protection element has a first parameter file creating unit, a second parameter file creating unit, a parameter file storage storing the parameter files created by the first and second parameter file creating units, a parameter file selector changing a parameter file to be selected from the parameter files stored in the parameter file storage, depending on whether or not operation of the ESD protection element should be verified, a netlist creating unit creating a netlist of the semiconductor circuit utilizing the parameter file selected by the parameter file selector, and a simulation executing unit verifying the operation of the semiconductor circuit based on the netlist.

Abstract: A unified simulation system is provided. The unified simulation system includes an input database storing input data comprising an input parameter and environment information, a unified simulator executing a unified process-device-circuit simulation of characteristics of a semiconductor apparatus based on the input data and at least one predetermined model and outputting a simulation result as output data, and an output database storing the output data. The unified simulator includes a process simulator simulating at least one process based on the input data and outputting process characteristic data, a device simulator simulating at least one device based on the process characteristic data and outputting device characteristic data, and a circuit simulator simulating a circuit comprising the at least one device. Accordingly, multiple devices can be simultaneously optimized for the optimization of circuit characteristics and an accurate specification at process and device levels can be provided.

Abstract: A method is disclosed for determining an illumination beam dose in surgical field illumination. Said method comprises the following steps: at least one actual illumination-relevant value is sensed; and an illumination beam dose is calculated from said sensed actual value. Sensing of the actual illumination-relevant value includes sensing of a value of at least one adjustable parameter of an illumination device. Furthermore, simulated dose characteristics associated with the adjustable parameter are selected, at least one simulated dose value is calculated taking into account the value of the adjustable parameter and the associated simulated dose characteristics, and the illumination beam dose is calculated taking into account the at least one simulated dose value. Also disclosed are an apparatus, a computer program product, and a surgical microscope for carrying out said method.

Abstract: Machine-implemented methods, systems, processing devices and machine-readable media are provided for simulating a mill reline, which involve collecting mill relining data and processing the relining data as simulation parameters using a mill relining model. The relining data generally include variables treated as discrete time/frequency distributions. Simulated events for the mill reline may be generated based on the relining data. Additional relining data relating to a specific existing site may be included as simulation parameters. The simulation may be used in determining an optimal work flow for carrying out the mill reline at a specific existing site, e.g., where time to carry out the mill reline is minimized. The simulation may also be employed for benchmarking. The additional relining data may be provided in video format, and analysis of the video format data may be undertaken, e.g.

Abstract: A system, method and apparatus for dynamic power management including creating a model for each task of multiple tasks performed by a circuit, the model including a corresponding power requirement value for each task, selecting each task for execution, executing the selected task when the corresponding power requirement value does not exceed an average power consumption cap of an execution window, determining an actual power consumption of the selected task during execution of the selected task and storing the actual power consumption corresponding to the selected task as the corresponding power requirement value for the selected task. A memory system can include a memory die, a data bus coupled to the memory die, a power supply coupled to the memory die, a power monitor coupled to the memory die and the power supply and a controller coupled to the data bus and the memory die.

Abstract: A fully automatic simulation system for an input device permits storage in advance of executable applications and associated simulation setting flies into a database, and then combination of the detection, automatic data searching and matching, transmission and conversion, enabling rapid and convenient operation by the users, whenever they operate various applications or whether they adopt a keyboard, mouse or joystick as the simulation controller.

Abstract: A model for simulating the electrical behavior of a thyristor includes a model of an NPN bipolar transistor whose emitter forms the cathode of the thyristor and the base forms a low-side control terminal of the thyristor, and a model of a PNP bipolar transistor whose emitter forms the anode of the thyristor and the base forms a high-side control terminal of the thyristor, the collector of the PNP transistor being connected to the low-side control terminal and the collector of the NPN transistor being connected to the high-side control terminal. The transistor models are present a small signal behavior over the entire range of anode currents of the thyristor, whereby the transistor models exhibit a gain drop when the anode current exits the small signal range.

Abstract: A method for performing oilfield operations including collecting a model data set from the oilfield for populating a location of a plurality of locations in a multidimensional data repository, the plurality of locations accessible based on a plurality of dimensions of the multidimensional data repository, performing, using a processor of a computer, analysis of at least the model data set retrieved from the location of the plurality of locations to generate a result, adjusting, using the processor, the multidimensional data repository based on the result, and adjusting the oilfield operations based on the multidimensional data repository.

Abstract: A system and method for predicting airflow within a data center using a potential flow technique is provided. In one aspect, a method includes automatically generating an unstructured grid, the unstructured grid comprising a plurality of unstructured grid cells, each unstructured grid cell having a size, dividing a representation of the data center into the plurality of unstructured grid cells, determining airflow velocity values for each of the plurality of unstructured grid cells using airflow velocity potentials, determining a temperature value for each one of the plurality of the unstructured grid cells using the airflow velocity values, determining a concentration value for each of the plurality of the unstructured grid cells using the airflow velocity values, and calculating a comparison result indicating whether the concentration values, the airflow velocity values and the temperature values for the plurality of the unstructured grid cells satisfy convergence criteria.

Abstract: Embodiments for determining a dental treatment difficulty are described herein. One method embodiment includes receiving an initial and subsequent position of each of a first tooth and a second tooth and calculating a change in position of each of the first tooth and the second tooth. The method embodiment can also include projecting the changes in position of each of the first tooth and the second tooth onto a reference line and calculating a change in position on the reference line for the first tooth and the second tooth. The method embodiment can further include determining the dental treatment difficulty based on the changes in position on the reference line.

Abstract: A system and method for the acoustic analysis of a body, in particular a fuselage structure of an aircraft, is provided including: inputting data for geometry, material, boundary conditions and acoustic parameters of the body, generating a body idealized in terms of its structural mechanics, and a cavity simulating the interior of the body, on the basis of the data inputted as a numerical body model, inputting the geometry of the body with a pattern of nodes and the generation of finite elements, stimulating an acoustic loading case by subjecting the body model to at least one sound pressure wave at a defined frequency, analyzing the effect of the sound pressure wave on the body model, and outputting a sound reduction index (R) for the body with reference to that frequency.