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94results about How to "High precision computing" patented technology

Inclination calculation apparatus and inclination calculation program, and game apparatus and game program

An inclination calculation apparatus sequentially calculates an inclination of an input device operable in terms of a posture thereof. The input device includes acceleration detection means and imaging means. The inclination calculation apparatus sequentially calculates first inclination information representing an inclination of the input device from positions of two imaging targets in a taken image obtained by the imaging means. The inclination calculation apparatus also sequentially calculates second inclination information representing an inclination of the input device from an acceleration detected by the acceleration detection means. The inclination calculation apparatus calculates an inclination of the input device using the first inclination information and the second inclination information.
Owner:NINTENDO CO LTD

Apparatus for calculating residual capacity of secondary battery

An apparatus for calculating a residual capacity of a secondary battery is provided. The apparatus calculates the residual capacity of energy in the secondary battery which is charged / discharged. The apparatus includes an arithmetic unit which estimates and calculates a first residual capacity based on a charge / discharge voltage corresponding to a residual capacity of the secondary battery, calculates a second residual capacity based on an integrated value of a charge / discharge current of the secondary battery, weights the charge / discharge voltage of the secondary battery with the first residual capacity or the second residual capacity according to the voltage changing rate, and combines the results of the weighting to obtain the residual capacity of the secondary battery.
Owner:DENSO CORP

Saturation flow rate calculating method for urban road intersection

ActiveCN107564290AImproving the Accuracy Calculation of Saturation Flow RateHigh precision computingDetection of traffic movementTime headwayPre treatment
The invention discloses a saturation flow rate calculating method for an urban road intersection. The method includes collecting traffic data of the urban road intersection; performing pre-treatment on the traffic data and storing result data obtained through the pre-treatment; performing real time calculation according to a Grubbs algorithm and storing average time headway of the urban road intersection in single cycle; according to a K-means clustering algorithm, performing clustering analysis on the average time headway of the urban road intersection in single cycle in identical weather conditions and acquiring a clustering analysis result; calculating the mean value of time headway in a saturation condition and acquiring the saturation flow rate of the urban road intersection in different weather conditions. The method provided by the invention improves precision of the saturation flow rate of the urban road intersection in different weather conditions.
Owner:TRAFFIC MANAGEMENT RES INST OF THE MIN OF PUBLIC SECURITY

Chaos index value calculation system

The present invention provides a system for analyzing a time series signal by a method of Chaos Theory and calculating a chaos theoretical exponent value. It is a chaos theoretical exponent value calculation system comprising: a means for receiving an input of predetermined parameters, a means for reading a time series signal, a means for cutting out from the read time series signal a time series signal for each processing unit x=x(i), a means for calculating a chaos theoretical exponent value of the read time series signal, and a means for outputting a chaos theoretical exponent value of the calculated time series signal, wherein the means for calculating a chaos theoretical exponent value comprises: a means for calculating a chaos theoretical exponent value for a sampling time in a time series signal of the cut-out processing unit x=x(i), and a means for calculating, based on the chaos theoretical exponent value for the sampling time, a chaos theoretical exponent value of a time series signal for a predetermined time.
Owner:ELECTRONICS NAVIGATION RESARCH INST AN INDEPENDENT ADMINISTATIVE INSTION 25 +2

Electric power supply system for vehicle

An electric power supply system for a vehicle includes a first battery, a second battery connected in parallel with the first battery, a voltage sensor configured to detect a voltage value of the second battery, a current sensor configured to detect a current value of the second battery, an electronic control unit configured to make a voltage of the alternator fluctuate according to a predetermined voltage waveform, and calculate internal resistance of the second battery using the voltage value and the current value of the second battery respectively detected by the voltage sensor and the current sensor while the electronic control unit is making the voltage of the alternator fluctuate according to the predetermined voltage waveform.
Owner:TOYOTA JIDOSHA KK

Airborne acoustic sensor array

Embodiments for determining the bearings to targets from a remote location are disclosed. The apparatus consists of an array of acoustic sensors that is capable of autonomous flight. The array may be large in diameter, approximately one meter or greater. The apparatus is capable of navigating its flight to arrive at a predetermined location, measuring acoustic sound waves emitted by targets both during flight and after landing. The apparatus may then calculate the bearings to the targets and transmit this information to a remote location.
Owner:HONEYWELL INT INC

Lightweight privacy protection generative adversarial network system

The invention relates to a lightweight privacy protection generative adversarial network system; an entity comprises a data provider DS, a service provider SP, a first edge server S1 and a second edgeserver S2, and software comprises an LP-GAN security computing framework; the LP-GAN security computing framework comprises a security generation model SG and a security discrimination model SD. According to the invention, dual privacy of data and models of users can be ensured.
Owner:FUZHOU UNIV

Internal combustion engine control apparatus

There is provided an internal combustion engine control apparatus that can more accurately calculate a volume efficiency correction coefficient and can more accurately estimate the amount of air that flows into a cylinder and the external exhaust gas recirculation amount. In an internal combustion engine provided with an exhaust gas recirculation apparatus including an exhaust gas recirculation valve and an exhaust gas recirculation path, based on a cylinder flow rate, an exhaust gas recirculation amount, an inner-intake-pipe density, and an inner-intake-pipe density changing amount, a volume efficiency correction coefficient, as a volume efficiency corresponding value, is calculated; then, by use of the calculated volume efficiency correction coefficient, a cylinder intake air amount and a recirculation amount of exhaust gas that is taken into the cylinder are calculated.
Owner:MITSUBISHI ELECTRIC CORP

System for determining position of bare chip

The invention provides a system for determining the position of a bare chip by means of determining the position of a bare chip adsorbed by a suction nozzle, and aims to improve the production efficiency and the yield of bare chips. Reference position marks (41) are arranged at two positions on the upper surface of a wafer pallet (22). Bare chip arrangement position information which is generated in a coordinate system of the wafer pallet is stored in a storage unit in advance, and the wafer pallet takes the positions of the reference position marks as the reference. A camera is used to capture the two reference position marks on the wafer pallet at the specified positions of a bare chip pick device, a shot picture is processed to identify the two reference position marks in a mechanical coordinate system of the bare chip pick device, the positional deviation value between the coordinate system of the wafer pallet and the mechanism coordinate system of the bare chip pick device is calculated, and the bare chip arrangement position information is corrected according to the positional deviation value, and thus the arrangement positions of various bare chips (21) in the mechanical coordinate system of the bare chip pick device are obtained.
Owner:FUJI KK

A Parallel Calculation Method for Distributed Hydrodynamic Model of Large-Scale Water System in Watershed

The invention discloses a parallel computing method for a distributed hydrodynamic model of a large-scale watershed system. The parallel computing method includes performing a parallel algorithm to a distributed numerical model of the large-scale watershed, with regular nets as basic computing elements and partitioned zones as compute nodes. The problem of limited 2G memory array of a win32 program in a large-scale watershed simulation is solved by diving the watershed zone and performing a distributed cluster computing, and the large-scale watershed simulation is fine; based on a distributed message passing model, data are exchanged by establishing adjacent partitioned overlap zones, thus error correction of boundary data of the partitioned node is achieved, and consistency and accuracy of the whole watershed simulation are realized; according to a parallel general protocol integrating OPENMP and MPI (message passing interface), computing parallelization of and in the partitioned nodes is achieved, and efficient fine simulation of the large-scale water shed is realized. By the use of the parallel computing method, the numerical simulation of the hydrodynamic force of the large-scale watershed system is available with low cost and high efficiency and speed.
Owner:珞珈浩景数字科技(湖北)有限公司

Method and device for determining the transmembrane pressure in an extracorporeal blood treatment

The invention relates to a method for determining the transmembrane pressure during an extracorporeal blood treatment in which blood flows at a defined blood flow rate through an arterial blood conduit 6 of an extracorporeal blood circuit 5A into the inlet of a first chamber 3 of a dialyzer 1, which is divided by a semipermeable membrane 2 into the first chamber and a second chamber 4, and flows through a venous blood conduit 7 from the outlet of the first chamber 3 of the dialyzer 1, while dialysis liquid flows through a dialysis liquid supply conduit 10 into the inlet of the second chamber of the dialyzer and flows through a dialaysis liquid discharge conduit 11 from the outlet of the second chamber of the dialyzer. The method according to the invention and the device according to the invention for determining the transmembrane pressure are such that the pressure on the blood side and on the dialysis liquid side of the dialyzer is measured with relatively little technical outlay, specifically with fewer than four pressure sensors 20, 21, 22, and a preliminary uncorrected value is calculated for the transmembrane pressure and is thereafter corrected by a correction variable that is dependent on a variable correlating with the viscosity of the blood.
Owner:FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH

Smart antenna calibration method and smart antenna calibration system

The invention provides a smart antenna calibration method and a smart antenna calibration system. The smart antenna calibration method includes that an original training sequence is multiplied by walsh codes which are distributed for launch channels of smart antennas in advance to obtain calibration training sequences corresponding to the launch channels, wherein the walsh codes of all the launch channels are different; the calibration training sequences are sent through the launch channels of the smart antennas so that the calibration training sequences are enabled to reach a calibration channel through a calibration network; the calibration training sequences are received through the calibration channel, and the received calibration training sequences are multiplied with the walsh codes of the launch channels to obtain receiving training sequences corresponding to the launch channels; launch compensation coefficients corresponding to the launch channels are obtained according to the original training sequences and the receiving training sequences; and the launch channels are calibrated according to the launch compensation coefficients. According to the smart antenna calibration method and the smart antenna calibration system, high-precision calibration can be carried out on the launch channels of the smart antennas.
Owner:TD TECH COMM TECH LTD

Two-dimensional body magnetic field value calculation method

ActiveCN107024723AExpress method is simpleRepresentation method is flexibleInformaticsSpecial data processing applicationsMagnetic susceptibilityHuman–computer interaction
The invention discloses a two-dimensional body magnetic field value calculation method which comprises two main steps, namely complex two-dimensional body model expression and rectangular model magnetic field calculation. Under specific complex two-dimensional body model expression mode conditions, a rectangular two-dimensional body magnetic field overlapping model is established, according to a designed weighting coefficient calculation equation, a rapid one-dimensional discrete convolution algorithm is adopted, and unification of efficiency and precision of magnetic field calculation is achieved. By adopting the method, the problems that a conventional two-dimensional body magnetic field value calculation method cannot simultaneously ensure calculation efficiency and calculation precision and requirements of fine inversion imaging of large-scale magnetic field data magnetic susceptibility and man-machine interaction modeling and interpretation cannot be met can be solved.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Light spot position detection device, optical component and electronic equipment

The present invention relates to a light spot position detection device, an optical component comprising the device and electronic equipment comprising the optical component. In a light spot position detection device, in one frame of operation, under control of a control unit, pixel data obtained in a pixel section in exposure of a solid-state image sensor in synchronization with light emission of a light emitting element are added to corresponding storage portions in a memory unit, and pixel data obtained in exposure of the image sensor asynchronous to the light emission of the light emitting element are subtracted from the corresponding storage portions, to store pixel data of only signal light in the storage portions. A given number of frames of operation are repetitively performed toaccumulate pixel data of only the signal light in the storage portions. The position of a light spot on the pixel section is calculated based on the pixel data of only the signal light and outputted whether the storage portions are saturated or not with the pixel data.
Owner:SHARP KK

Magnetizing inrush current suppression device

Provided is a magnetizing inrush current suppression device that is capable of accurately computing residual fluxes of a three-phase transformer and suppressing a magnetizing inrush current. The magnetizing inrush current suppression device (10) is equipped with: a voltage measurement unit (1) for measuring respective phase voltages of the transformer (23) and system voltages of the respective phases; an effective opening timing computation unit (2) for computing effective opening timing at which instantaneous values of the phase voltages of the three phases all converge to a value of zero; a core flux computation unit (3) for computing fluxes of the respective phases of the core of the transformer (23) by means of integration of the respective phase voltages; an effective residual flux computation unit (4) that takes, among the fluxes of the respective phases, the fluxes of the respective phases obtained at the effective opening point as effective residual fluxes in order to compute effective residual fluxes of the respective phases; a closing phase angle computation unit (5) for computing a closing phase angle for a system-side breaker (21) on the basis of the effective residual fluxes of the respective phases; and a closing phase angle control unit (6) for closing the system-side breaker (21) on the basis of the system voltages of the respective phases and the closing phase angle.
Owner:KODENSYA

Apparatus for calculating residual capacity of secondary battery

An apparatus for calculating a residual capacity of a secondary battery is provided. The apparatus calculates the residual capacity of energy in the secondary battery which is charged / discharged. The apparatus includes an arithmetic unit which estimates and calculates a first residual capacity based on a charge / discharge voltage corresponding to a residual capacity of the secondary battery, calculates a second residual capacity based on an integrated value of a charge / discharge current of the secondary battery, weights the charge / discharge voltage of the secondary battery with the first residual capacity or the second residual capacity according to the voltage changing rate, and combines the results of the weighting to obtain the residual capacity of the secondary battery.
Owner:DENSO CORP

Device for calculating expected date of start of menstruation, program and bioanalytical device

The present invention acquires the number of days of a menstrual cycle and of a high temperature phase during the menstrual cycle of multiple women (S1). On the basis of whether or not the number of days of the menstrual cycle of the women is within a predetermined range and whether or not the number of days of the high temperature phase of the women is within a predetermined range, the women are categorized into a specific type in which the number of days of the menstrual cycle is unstable but the number of days of the high temperature phase is stable, and one or more types other than the specific type (S2). When categorized into the specific type, the expected date of the start of menstruation is calculated by adding the number of days based on the number of days of the high temperature phase to the woman's last ovulation day (S6). On the other hand, when categorized into a type other than the specific type, the expected date of the start of menstruation is calculated on the basis of the date of the start of the last menstruation and the number of days of the menstrual cycle of the woman (S4).
Owner:OMRON HEALTHCARE CO LTD +1

Airborne acoustic sensor array

Embodiments for determining the bearings to targets from a remote location are disclosed. The apparatus consists of an array of acoustic sensors that is capable of autonomous flight. The array may be large in diameter, approximately one meter or greater. The apparatus is capable of navigating its flight to arrive at a predetermined location, measuring acoustic sound waves emitted by targets both during flight and after landing. The apparatus may then calculate the bearings to the targets and transmit this information to a remote location.
Owner:HONEYWELL INT INC

Batheroom scales with balance measuring function

Provided is a weighing scale with a balance measurement function, which enables an examinee to place his or her feet on a predetermined position on a mounting plate for positioning. The weighing scale has: more than three weight sensors (1), which are arranged under the mounting plate (71); a calculation mechanism, which calculates and obtains the two-dimensional weight value according to the weight value measured by each weight sensor (1). a position of the center of gravity; and a display mechanism (3), which displays the position of the center of gravity obtained by the calculation means on a coordinate plane (31) for display, wherein, on the upper surface of the mounting plate (71), the recessed setting or protruding A foot positioning unit (9) is provided for positioning the front, rear, left and right of the subject's feet.
Owner:MATSUSHITA ELECTRIC WORKS LTD

Parking availability judging device for vehicle, parking space detector for vehicle and movable range detector for vehicle

A radar (11) transmits electromagnetic waves at predetermined time intervals in order to scan a predetermined angular range surrounding the own vehicle in the horizontal direction, and, when the reflected waves of the electromagnetic waves reflected off an object are received, the points on the object where the electromagnetic waves are reflected are detected based on the reception results of the reflected waves, whether a parking space (Sp) is available or not is judged based on the prestored body dimension data of the own vehicle and the arrangement of reflection points, and further whether a vehicle can be parked in the parking space (Sp) or not is judged. Since a judgment is made as to whether a vehicle can be parked or not based on the width (Wx) of the road and the width (Wy) of the parking space (Sp) calculated based on the arrangement of reflection points, a judgment can be made more precisely as to whether a vehicle can be parked in the parking space (Sp) or not.
Owner:HONDA MOTOR CO LTD

Machine tool thermal displacement correction method and thermal displacement correction device

The invention provides a machine tool thermal displacement correction method and a thermal displacement correction device. Disclosed is a machine tool thermal displacement correction method comprising an inspection point information acquisition process (60) for acquiring thermal deformation positions in at least three inspection points which are set on a support body (10); an approximate curve calculating process (52) for calculating an approximate curve (C) of a deformed shape of the support body (10) on the basis of the thermal displacement positions at the inspection points; a correction value calculating process (53) for calculating a correction value (Rz) for a command position for a movable body (20) on the basis of said command position and the approximate curve (C); and a correction process (56) for correcting the command position for the movable body (20) by means of the correction value (Rz).
Owner:JTEKT CORP

Gate flow cross section flow measuring method

The invention relates to a gate flow cross section flow measurement method, and belongs to the technical field of water conservancy gate flow measurement. According to the technical scheme, within the coverage range of detection beams of a Doppler vertical profile flow velocity sensor, a flow velocity detection point comprises vertical flow velocity below the lower edge of a flashboard, namely within the opening range of the flashboard, and also comprises vertical flow velocity above the lower edge of the flashboard, namely beyond the opening range of the flashboard; a gate measurement and control instrument (7) determines the opening degree of the gate, namely the position of the lower edge of the flashboard through the gate level sensor (5) so as to determine that the lower edge and below of the flashboard are effective flow velocity measurement points to participate in flow velocity calculation, the upper edge of the flashboard is invalid flow velocity measurement points, and the measured flow velocity value is thrown away; and stratified flow measurement is carried out in an effective flow measurement range. The method has the beneficial effects that layered flow measurement is carried out in an effective flow measurement range, the influence of turbulent flow above the lower edge of the flashboard on the lockage flow velocity is avoided, continuous online measurement of the lockage flow can be realized, the lockage flow can be calculated with high precision, and management of a management department is facilitated.
Owner:唐山现代工控技术有限公司

Light-receiving module for light-emitting element and inspection device for light-emitting element

The purpose of the present invention is to provide a light-receiving module for a light-emitting element and a detection device for the light-emitting element, that are capable of precisely calculating the amount of light emitted by the light-emitting element. The light-receiving module (1) for the light-emitting element has: a photodetector (105) arranged to face an LED (101), that receives light emitted by the LED (101) and measures the amount of said light; and a light guide section (104) that guides light emitted by the LED (101) to a wavelength measurement unit (121) for measuring the wavelength of light emitted by the LED (101). The light guide section (104) is arranged to extend into the space formed by a flat surface formed by the LED (101) surface that faces the photodetector (105) and a flat surface formed by the photodetector (105) surface that faces the LED (101), and is formed so that the extension direction of the light guide section (104) does not match the optical axis from the LED (101).
Owner:PIONEER CORP +1

Polarization axis detector, polarization measurement device and method, and polarized light irradiation device

The present invention provides a polarization axis detector, a polarization measurement device and method, and a polarized light irradiation device. The light from a light source changes with the illuminance of time, the polarization axis of the polarized light may be measured with a high precision. The polarization axis detector comprises a first polarized light detection part (311) having a rotary detection polarizer (311a) configured to detect the polarization axis and a first illuminance sensor (311b) configured to detect the illuminance information of the polarized light from the light source through the detection polarizer (311a); and a second polarized light detection part (312) arranged in parallel with the first polarized light detection part (311) and having a second illuminance sensor (312a) configured to directly detection the illuminance information of the polarized light from the light source. The polarization measurement device is configured to calculate the polarization property of the polarized light from the light source according to the illuminance information detected by the first polarized light detection part (311) and the illuminance information detected by the second polarized light detection part (312).
Owner:USHIO DENKI KK

Information recording method, information recording device, and recording medium containing a program

InactiveCN1745414AData length formGood replay signalOptical beam sourcesRecord information storageComputer scienceRecording media
[Problem to be Solved] Accurate recording is achieved by obtaining each optimum pulse width and pulse edge position in a recording method that performs recording according to the rules of recording waveform using different pulse widths and pulse edge positions for individual data length sets with respect to the data length sets having the different relationship between the number of pulses and the data length. [Means for Solving the Problem] The first trial write process obtains an optimum recording power of a test pattern (S1 through S3) even with respect to data having different rules for the recording waveforms corresponding n type data length sets, and the second trial write process using this optimum recording power obtains optimum pulse width or optimum pulse edge position separately for each data length set (S4 through S6). Based on the optimum recording power and optimum recording waveform obtained by these trial write processes, recording operation is performed so as to form all the data lengths with satisfactory accuracy, thereby making it possible to obtain a proper reproduced signal.
Owner:RICOH KK

Device for producing iron core

The invention relates to a winding core manufacturing device, comprising: coiling device (22) for winding the metal strip (SS) between winding frame (10) and coiling strips (13) to wind the winding core (23); metal strip supplying machine (29) for sending the metal strip to supply roller (25); clipper (40) installed between the coiling device and metal strip supplying machine and cutting the metal strip without stopping it. The metal strip supplying machine is controlled to send metal strip at the speed equal to coiling speed of metal strip of the coiling device. When the metal strip supplying machine supples the metal strip of preset length, the said metal strip is cut by clipper for unit metal strip to continuously wind the winding core. The cut length is calculated based on the thickness of metal strip calculated by strip length of each revolution of the winding frame. Therefore, the invention can produce a number of iron core of high quality with proper clearance between each butt-joint part or lapping amount.
Owner:DAIHEN CORP

Artificial intelligence chip-based wearable biological information monitoring device and method

The invention discloses an artificial intelligence chip-based wearable biological information monitoring system and method. The device comprises an analog front-end circuit module, a digital front-endmodule and a system on chip (SOC); the analog front-end circuit module generates a voltage pulse for exciting an ultrasonic transducer, receives an echo electric signal collected by an ultrasonic area array transducer, and performs impedance matching on the echo electric signal, and after undergoing amplification and analog / digital conversion, the echo electric signal after undergoing impedance matching is input into the digital front-end module; the SOC carries out different operation on the biological information original data according to an imaging purpose and an imaging mode to obtain animaging region of interest and key structure points, and a control instruction is output to the digital front-end module; after the digital front-end module receives the control instruction output bythe SOC, echo signals of required imaging points are collected, and dynamic beam forming is carried out on the echo signals; and beam-formed signals undergo filtering, quadrature demodulation, batchprocessing and flow velocity estimation, ultrasonic image reconstruction and real-time imaging are realized.
Owner:SHANDONG UNIV QILU HOSPITAL +2
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