Konstantin S.
Konstantin S. Majarov, Redondo Beach, CA US
Patent application number | Description | Published |
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20100304228 | APPARATUS AND METHOD USING HYDROGEN PRESSURE IN FUEL CELL ELECTRIC VEHICLE - A hydrogen fuel cell system ( | 12-02-2010 |
20110309779 | VEHICULAR ELECTRICAL SYSTEM AND METHOD FOR CONTROLLING AN INVERTER DURING MOTOR DECELERATION - Methods and systems for operating an inverter coupled to an electric motor are provided. The inverter has a plurality of high switches and a plurality of low switches coupled to the electric motor. An event indicative of deceleration of the electric motor is detected. The inverter is alternated between a first mode of operation and a second mode of operation during the deceleration of the electric motor. In the first mode of operation, each of the plurality of high switches is activated and each of the plurality of low switches is deactivated. In the second mode of operation, each of the plurality of low switches is activated and each of the plurality of high switches is deactivated. | 12-22-2011 |
Konstantin S. Majarov, Torrance, CA US
Patent application number | Description | Published |
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20110309777 | VEHICULAR ELECTRICAL SYSTEM AND METHOD FOR CONTROLLING AN INVERTER DURING MOTOR DECELERATION - Methods and systems for operating an inverter having a plurality of high switches and a plurality of low switches coupled to an electric motor are provided. An event indicative of deceleration of the electric motor is detected. The inverter is alternated between a first mode of operation and a second mode of operation during the deceleration of the electric motor. In the first mode of operation, each of the plurality of high switches is activated and each of the plurality of low switches is deactivated or each of the plurality of low switches is activated and each of the plurality of high switches is deactivated. In the second mode of operation, each of the plurality of high switches is deactivated and each of the plurality of low switches is deactivated. | 12-22-2011 |
20130169202 | METHODS, SYSTEMS AND APPARATUS FOR GENERATING VOLTAGE COMMANDS USED TO CONTROL OPERATION OF A PERMANENT MAGNET MACHINE - Methods, systems and apparatus are provided for generating voltage commands used to control operation of a permanent magnet machine. For example, a control system is provided that generates voltage command signals for controlling a permanent magnet machine during a transition from an initial operating condition to a final operating condition. The control system includes a processor configured to execute software instructions, and a memory configured to store software instructions accessible by the processor. The software instructions comprise a voltage command generator module. Based on an electrical angular frequency of the permanent magnet machine, and synchronous reference frame current signals, the voltage command generator module is configured to generate ramped voltage command signals that each change linearly in accordance with a slope during a transition period that is set to a rise time. | 07-04-2013 |
20130314011 | METHODS, SYSTEMS AND APPARATUS FOR COMPUTING A VOLTAGE ADVANCE USED IN CONTROLLING OPERATION OF AN ELECTRIC MACHINE - Embodiments of the present disclosure relate to methods, systems and apparatus for computing a voltage advance used in controlling operation of an electric machine. | 11-28-2013 |
20130317630 | METHODS, SYSTEMS AND APPARATUS FOR IMPLEMENTING DITHERING IN MOTOR DRIVE SYSTEM FOR CONTROLLING OPERATION OF AN ELECTRIC MACHINE - Embodiments of the present disclosure relate to methods, systems and apparatus for implementing dithering in motor drive system for controlling operation of a multi-phase electric machine. | 11-28-2013 |
20140218826 | METHOD AND APPARATUS FOR DETECTING A DESATURATION FAULT IN AN INVERTER MODULE - A method for monitoring an inverter module for a multi-phase electric motor/generator includes deactivating operation of the inverter module, monitoring voltage on a high-voltage bus configured to supply electric power to the inverter module, detecting occurrence of a true fault when a change in the voltage on the high-voltage bus is greater than a predetermined threshold, and detecting occurrence of a false fault when the change in the voltage on the high-voltage bus is less than the predetermined threshold. | 08-07-2014 |
Konstantin S. Osypov, Houston, TX US
Patent application number | Description | Published |
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20090184958 | UPDATING A MODEL OF A SUBTERRANEAN STRUCTURE USING DECOMPOSITION - To update a model of a subterranean structure, a partial decomposition is computed of an operator that is used to compute a parameterization representing the update of the model. The partial decomposition of the operator is selected from among a partial eigendecomposition of a Fisher information operator, and a singular vector decomposition of the operator. A term based on additional information is combined with the partial decomposition of the operator to derive an update of the model. | 07-23-2009 |
20090303834 | COMBINING GEOMECHANICAL VELOCITY MODELING AND TOMOGRAPHIC UPDATE FOR VELOCITY MODEL BUILDING - A method for updating a velocity model of a subsurface of the earth is described herein. A tomographic update to the velocity model of the subsurface may be performed to generate a tomographic velocity model update. A geomechanical velocity model update of the subsurface may be calculated. The geomechanical velocity model update may be combined with the tomographic velocity model update. | 12-10-2009 |
20110098996 | Sifting Models of a Subsurface Structure - Multiple models are generated based on information relating to uncertainties of model parameters, where the models are consistent with preexisting data regarding a subsurface structure. A system receives, on a continual basis, information collected as an operation is performed with respect to the subsurface structure. The multiple models are recursively sifted to progressively select smaller subsets of the models as the collected information is continually received. | 04-28-2011 |
20120281501 | ESTIMATING A PROPERTY BY ASSIMILATING PRIOR INFORMATION AND SURVEY DATA - Prior information describing a distribution of values of a parameter relating to physical characteristic of a target structure is received. Acquired survey data of the target structure is received. Using a probabilistic technique, the prior information and the survey data is assimilated to produce an estimated property of the target structure. | 11-08-2012 |
20120300987 | FREQUENCY-DEPENDENT RAY TRACING THROUGH AN INTERFACE - Computing systems and methods for improving processing of collected data are disclosed. In one embodiment, while ray-tracing through a sub-surface region, a frequency-dependent outgoing ray direction is computed from a point on an interface disposed in the sub-surface region when the ray tracing is at the interface. | 11-29-2012 |
20130116928 | ESTIMATING VELOCITIES WITH UNCERTAINTY - A method and apparatus for estimating velocity in a subsurface region. Seismic data for a subsurface region may be received. One or more attributes for the seismic data may be calculated. A posterior distribution may be generated. The posterior distribution may represent one or more probabilities of one or more velocities for the attributes. A velocity with uncertainty may be determined for the subsurface region based on the posterior distribution. A pore pressure with uncertainty may be determined based on the velocity with uncertainty. | 05-09-2013 |
20130261981 | COVARIANCE ESTIMATION USING SPARSE WAVELET REPRESENTATION - Computing systems and methods are disclosed. In one embodiment, a technique is provided that includes receiving data representing at least in part a structure of interest; and processing the data in a processor-based machine to represent the data as a data structure including a plurality of contiguous data segments and at least one disjoint section, which separates two of the contiguous data segments. The technique includes processing the data structure based at least in part on the disjoint section(s) exhibiting ergodic behavior to determine at least one property of the structure. | 10-03-2013 |
20140278110 | TARGETED SURVEY DESIGN UNDER UNCERTAINTY - A method, apparatus, and program product utilize global sensitivity analysis (GSA) based on variance decomposition to calculate and apportion the contributions to a total variance of a measurement signal from uncertain input parameters of a subsurface model in connection with designing targeted surveys. Through the use of global sensitivity analysis in this manner, the geometry for a survey may be determined based on a desired target of the design, e.g., based on spatial properties (e.g., reservoir zone of interest) and/or physical properties (e.g., porosity, fluid density, rock physics properties) to select locations (e.g., source-receiver pairs) with greater uncertainty contributions from parameter group(s) of interest. | 09-18-2014 |
20150055833 | Frequency-Dependent Ray Tracing Through an Interface - Computing systems and methods for improving processing of collected data are disclosed. In one embodiment, while ray-tracing through a sub-surface region, a frequency-dependent outgoing ray direction is computed from a point on an interface disposed in the sub-surface region when the ray tracing is at the interface. | 02-26-2015 |
Konstantin S. Serebryany, Moscow RU
Patent application number | Description | Published |
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20080235676 | Optimal Floating-Point Expression Translation Method Based on Pattern Matching - Embodiments of the present invention include code generation methods. In one embodiment, a table of patterns is generated. Each pattern in the table includes an FMA (fused multiply-add) DAG (Directed Acyclic Graph), a canonical form equivalent of the FMA DAG, and a shape corresponding to the canonical form equivalent. Incoming floating-point expressions are matched against the patterns in the table during compilation of a program to obtain optical sequences of FMA, FMS (fused multiply-subtract), and FNMA (fused negate multiply-add) instructions as compiled instructions for computing the floating point expressions. | 09-25-2008 |
20100275192 | Generating optimal instruction sequences for bitwise logical expressions - A sequence generator generates a table of optimal instruction sequences for all bitwise expression having a specific number of variables. An index generator generates a bit-string index that corresponds to a particular bitwise expression. The bit-string is generated from a truth table. A table lookup unit is coupled with the index generator. The table lookup unit finds an optimal instruction sequence for the bitwise expression from within the table of optimal instruction sequences based at least in part on the generated bit-string index. | 10-28-2010 |
Konstantin S. Zuyev, Grafton, MA US
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20100154316 | ABRASIVE ARTICLE WITH IMPROVED PACKING DENSITY AND MECHANICAL PROPERTIES AND METHOD OF MAKING - An abrasive article with improved packing density and mechanical properties and method of making are disclosed. A method of making an abrasive mix with improved processability facilitates improved packing density, resulting in abrasive articles with improved mechanical properties. | 06-24-2010 |
20100162632 | BONDED ABRASIVE TOOL AND METHOD OF FORMING - A bonded abrasive tool includes a bonded abrasive body having a bond matrix material comprising an organic bond material, abrasive grains contained within the bond matrix material, and chopped fiber bundles within the bond matrix material. The tool further has a porosity within the bonded abrasive body, wherein a majority of the porosity comprises pores surrounding the chopped fiber bundles. | 07-01-2010 |
20110027564 | ABRASIVE TOOL HAVING CONTROLLED POROSITY DISTRIBUTION - An abrasive tool having a body including an abrasive portion having abrasive grains contained within a matrix material and porosity characterized by a bimodal distribution of pores including large pores having an average large pore size (P | 02-03-2011 |
20110041413 | ABRASIVE TOOL HAVING A PARTICULAR POROSITY VARIATION - An abrasive tool has a body including an abrasive portion having abrasive grains contained within a matrix material, and a first reinforcing member contained within the abrasive portion, wherein the body comprises a porosity variation difference through at least half of a thickness of the body of not greater than 250% from a mean porosity of the body. | 02-24-2011 |
20120297693 | BONDED ABRASIVE TOOL AND METHOD OF FORMING - A bonded abrasive tool includes a bonded abrasive body having a bond matrix material comprising an organic bond material, abrasive grains contained within the bond matrix material, and chopped fiber bundles within the bond matrix material. The tool further has a porosity within the bonded abrasive body, wherein a majority of the porosity comprises pores surrounding the chopped fiber bundles. | 11-29-2012 |
20140020304 | Bonded Abrasive Tool and Method of Forming - A bonded abrasive tool includes a bonded abrasive body having a bond matrix material comprising an organic bond material, abrasive grains contained within the bond matrix material, and chopped fiber bundles within the bond matrix material. The tool further has a porosity within the bonded abrasive body, wherein a majority of the porosity comprises pores surrounding the chopped fiber bundles. | 01-23-2014 |
Konstantin S. Zuyev, Plymouth, MN US
Patent application number | Description | Published |
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20130095261 | FUSED QUARTZ TUBING FOR PHARMACEUTICAL PACKAGING - A high silica glass composition comprising about 92 to about 99.9999 wt. % SiO | 04-18-2013 |
20130116108 | SILICA GLASS HAVING IMPROVED PROPERTIES - The invention relates to a silica glass compound having improved physical and chemical properties. In one embodiment, the present invention relates to a silica glass having a desirable brittleness in combination with a desirable density while still yielding a glass composition having a desired hardness and desired strength relative to other glasses. In another embodiment, the present invention relates to a silica glass composition that contains at least about 85 mole percent silicon dioxide and up to about 15 mole percent of one or more dopants selected from F, B, N, Al, Ge, one or more alkali metals (e.g., Li, Na, K, etc.), one or more alkaline earth metals (e.g., Mg, Ca, Sr, Ba, etc.), one or more transition metals (e.g., Ti, Zn, Y, Zr, Hf, etc.), one or more lanthanides (e.g., Ce, etc.), or combinations of any two or more thereof. | 05-09-2013 |