Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

770 results about "Boundary values" patented technology

Boundary values are a set of conditions applied to a mathematical equation. The boundary values represent the extremes of a value set. In ergonomics, upper and lower boundary values are based on the 5th and 95th percentile of a selected population. Boundary values may also be called boundary conditions.

Method and apparatus for determining the hematocrit of a blood sample utilizing the intrinsic pigmentation of hemoglobin contained within the red blood cells

A method for determining the hematocrit of a blood sample is provided that includes the steps of: 1) depositing the sample into an analysis chamber operable to quiescently hold the sample for analysis, the chamber defined by the interior surfaces of first and second panels and a height extending there between, wherein both panels are transparent, and the height is such that at least some of the red blood cells within the sample contact both interior surfaces of the panels and one or more lacunae within the quiescent sample extend between the interior surfaces; 2) imaging at least a portion of the quiescent sample, which sample portion contains the red blood cells and one or more lacunae to determine an optical density of the imaged portion of the sample on a per image unit basis; 3) selecting and averaging the optical density values of the image units aligned with the red blood cells contacting the interior surfaces, and assigning an upper boundary value of 100% to the average optical density value of those image units; 4) selecting the optical density values of the image units aligned with the one or more lacunae, and assigning a lower boundary value of 0% to the optical density values of those image units; and 5) determining the hematocrit of the sample by assigning relative values to the optical density value of each image of the imaged sample portion as a function of the upper and lower boundary values, and averaging the relative values.
Owner:ABBOTT POINT CARE

Route exchange method suitable for GEO/LEO double layered constellation network

The invention discloses a route exchange method suitable for a GEO/LEO double layered constellation network. According to the method, a system period is divided into equal-duration time sections based on a dynamic boundary value; a GEO layer satellite high in on-board processing capacity is used for calculating the best route and the second best route for each LEO satellite; in the processes of information transmission and exchange, when loads of the LED satellites are large, the GEO satellite shares part of low priority services in time for the LED satellites, and it is guaranteed that important information is reliably transmitted in real time; when link congestion, node ineffectiveness and other emergency conditions happen in the satellite network, in order to avoid rerouting of the whole network, and the GEO satellite only calculates rerouting for affected routes; after link congestion is eliminated, the LED satellites recover route information in time before congestion in order to avoid link resource waste in the network. In the network that topology time varying happens, links are prone to congestion, on-board resources are limited, continuous high-load flows are prone to being generated, and nodes are prone to being ineffective at the special period, the method can reduce constellation system cost, shorten convergence time, save the on-board resources, increase the utilization rate of the link resources, guarantee that important information is reliably transmitted in real time and improve invulnerability and robustness of the satellite network.
Owner:中国人民解放军西安通信学院

Multiphase physical transport modeling method and modeling system

A general, computational-mathematical modeling method for the solution of large, boundary-coupled transport problems involving the flow of mass, momentum, energy or subatomic particles is disclosed. The method employs a modeling processor that extracts a matrix operator equation (or set of equations) from a numerical transport code (NTC). The outputs of software codes, available for modeling physical problems governed by conservation laws in the form of differential equations, can be processed into closed-form operator equations with the method. Included is a numerical transport code functionalization (NTCF) model which can be determined numerically, based on a system of solutions of an NTC, evaluating outputs for a given set of inputs. The NTCF model is a linear or nonlinear, multi-variable operator equation or set of such equations. The NTCF model defines relationships between general, time-variable inputs and outputs, some known and some unknown, considered as boundary values. The user of an NTCF model can directly work with the processed model output, instead of running the original numerical code in general applications of a boundary-value problem. The numerical transport code functionalization model can be employed as a surrogate for representing the numerical transport code to provide a solution to the transport problem. The invention enables modeling efficiency and availability to be increased, while computational complexity and cost decreased. Computational times for complex modeling problems can, in some cases, be dramatially reduced, for example by several orders of magnitude.
Owner:NEVADA RES & INNOVATION CORP

System and Method for Decoupling Multiple Control Loops

In one embodiment of the present invention, a method for adjusting a signal includes applying at least one of a loss compensation for frequency-dependent distortion and an offset compensation for DC-offset distortion to a signal before or after the distortion occurs to generate an output signal. The method also includes, using a clock signal, sampling the output signal to generate a plurality of data values and boundary values. The method further includes monitoring the sampled values for a first set of data patterns. The method also includes detecting in the sampled values a data pattern in the first set of data patterns. The method further includes adjusting at least one of the loss compensation and the offset compensation applied to the signal based on one or more of the sampled data values and boundary values associated with the detected data pattern in the first set of data patterns. The method further includes, after adjusting at least one of the loss compensation and the offset compensation, monitoring the sampled values for a second set of data patterns. The method also includes detecting in the sampled values a data pattern in the second set of data patterns. The method further includes adjusting at least one of the loss compensation and the offset compensation applied to the signal based on one or more of the sampled data values and boundary values associated with the detected data pattern in the second set of data patterns.
Owner:FUJITSU LTD

System and Method for Asymmetrically Adjusting Compensation Applied to a Signal

In one embodiment of the present invention, a method for adjusting a signal includes applying at least one of a loss compensation for frequency-dependent distortion and an offset compensation for DC-offset distortion to a signal before or after the distortion occurs to generate an output signal. The method also includes, using a clock signal, sampling the output signal to generate a plurality of data values and boundary values, each value comprising either a high value or a low value based on the sampling of the output signal. The method further includes, based only on the high or low value of one or more of the data values and boundary values, adjusting at least one of the loss compensation and the offset compensation applied to the signal, where if the at least one of the loss compensation and the offset compensation applied to the signal is to be increased, the at least one of the loss compensation and the offset compensation is increased by a first amount, if the at least one of the loss compensation and the offset compensation applied to the signal is to be decreased, the at least one of the loss compensation and the offset compensation is decreased by a second amount, and the magnitude of the first amount is not equal to the magnitude of the second amount.
Owner:FUJITSU LTD

Power grid impedance self-adaption based LC type grid-connected inverter dual-mode control method

The invention discloses a power grid impedance self-adaption based LC type grid-connected inverter dual-mode control method. According to the invention, a power grid impedance boundary value of mutual switching between a current source grid-connected mode and a voltage source grid-connected mode of an inverter is determined at first, the inverter adopts a current source grid-connected mode control method when the power grid impedance boundary value is less than a switching boundary value, and the inverter adopts a voltage source grid-connected mode control method when the power grid impedance boundary value is greater than the switching boundary value; and an impedance hysteresis loop based switching mode is adopted in order to improve the stability in switching. The method disclosed by the invention solves a defect that the inverter can only operate stably within a small power grid impedance variation range when adopting a single current source or voltage source grid-connected mode under different power grid impedance conditions, and stable operations of the inverter within a large power grid impedance variation range are realized through mutual switching between the current source power-grid mode and the voltage source grid-connected mode.
Owner:HEFEI UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products