196 results about "Performance ratio" patented technology

The claimed subject matter can provide a mechanism that facilitates a new advertising architecture in the advertising space, e.g., for ranking publishers of ads and / or mitigating click-fraud. A mechanism is provided to confirm transactions that occur between a customer and a merchant as well as an indication of which ad publisher made the referral. Accordingly, the performance of an ad displayed by a publisher can be assessed, and, e.g., employed in the pricing scheme for displaying the ad. The ad publisher performance ratio can be relative to other ad publishers and can be employed with a pay-per-click, pay-per impression, or other similar billing structures.

A method and apparatus for provide highly efficient traffic routing for a wide range of possible traffic matrices (TM) in an intra-domain network. That routing optimally balances the traffic loads over a range of traffic matrices so as to minimize the deviation for any particular traffic matrix from the optimal routing. Such a routing provides a guaranteed performance ratio against the best possible network routing. The invention utilizes a method of optimally configuring a traffic network based on solving a linear program to obtain the optimal routing, and then configuring the routing on the network accordingly.

A solar tower central receiver with separated boiler and Super-Heater allows better control on the output steam's temperature. The boiler takes higher solar flux density and works at lower temperature while the Super-Heater takes lower solar flux and works at high temperature to optimize the cost to performance ratio. The solar fluxes of the boiler and super-heater are adjustable through the pointing of the heliostats. The boiler consists of parallel pipes as solar absorber and the Super-Heater consists of helix parallel pipes as solar absorber. The steam drum chamber interconnects boiler and Super-Heater. The absorb pipes and circulation pipes are connected to water chamber, steam drum chamber, and Super-Heater chambers. The water level sensor and temperature sensors provide information regarding the operating status of the receiver.

The invention provides a grid-connected solar photovoltaic power station monitoring system which can monitor the temperature of a photovoltaic array group string, an output current voltage and direct current (DC) combiner box, a DC combiner box, a DC power distribution cabinet, an inverter, an alternating current (AC) power distribution cabinet, in-out current voltages of a boosting transformer, input current voltages of a grid-connected point, and the environment temperature, the light irradiance and the wind speed and direction of the solar photovoltaic array group string. Measured data of all the components are gathered comprehensively, essential information of a power station, test data of monitored components and environment meteorological data are displayed and stored in real time, information such as the running conditions of the monitored components and the performance ratio of the power station is calculated out, and an actual measurement operational data base of the power station is established. The components of the photovoltaic power station and the performance and the reliability of the system are estimated comprehensively, the optimization design of photovoltaic components and the system is promoted, and real and reliable data support is provided for the research and development and the improvement of photovoltaic power generating technology.

A method, system and software for allocating information handling system resources in response to cluster fail-over events are disclosed. In operation, the method provides for the calculation of a performance ratio between a failing node and a fail-over node and the transformation of an application calendar schedule from the failing node into a new application calendar schedule for the fail-over node. Before implementing the new application calendar schedule for the failing-over application on the fail-over node, the method verifies that the fail-over node includes sufficient resources to process its existing calendar schedule as well as the new application calendar schedule for the failing-over application. A resource negotiation algorithm may be applied to one or more of the calendar schedules to prevent application starvation in the event the fail-over node does not include sufficient resources to process the failing-over application calendar schedule as well as its existing application calendar schedules.

A method includes obtaining a reference tracking performance ratio and a disturbance rejection performance ratio associated with a model predictive control (MPC) controller. The method also includes filtering an output target signal for the controller using a first filter based on the reference tracking performance ratio. The method further includes filtering a feedback signal for the controller using a second filter based on the disturbance rejection performance ratio. The filters can provide two degrees of freedom for tuning reference tracking and disturbance rejection operations of the controller. The reference tracking operation of the controller and the disturbance rejection operation of the controller can be independently tunable. The reference tracking performance ratio can control how aggressively the controller responds to a change in the output target signal. The disturbance rejection performance ratio can control how aggressively the controller responds to a disturbance in the feedback signal.

An ultraviolet ray-cured paint consists of active oligomer, active diluent, light polymerization initiator and diluent; and the active oligomer is maleic anhydride-modified epoxy acrylic ester with acid value of 10-30 mg KOH / g. It has also adhesion strengthening resin containing epoxy group. It has the components includes maleic anhydride-modified epoxy acrylic ester 30-60 wt%, active diluent 15-45 wt%, adhesion strengthening resin containing epoxy group 2-5 wt%, light polymerization initiator 1.0-10 wt%, and diluent 0-20 wt%. It has high adhesion between the film and the metal substrate, high heat resistance, proper cost / performance ratio and lightened environment and human body harm, and is especially suitable for use in antirust decorative of metal surface.

This invention enables mechanical design of flexible and elastic heat pipes. It provides structural solution that reduces weight / performance ratio for traditional heat pipes and prevents freeze damages.

A small cannulated bone screw is provided having an optimized combination of strength, cannula size and thread depth. A set of such strong and small size screws is also provided where the smallest sizes can have one performance ratio emphasized over another, and the larger sizes can have the emphasis reversed. In particular, the smallest screws optimize the combination of their strength and cannula size with the larger screws optimizing the combination of their strength and thread depth. In any event, each of the screws in the set has an optimized combination of strength, cannula size and thread depth throughout the full range of screw sizes in the set, e.g. 3.0 mm to 7.5 mm major diameters.

The invention discloses a mobile robot autonomous navigation system and method. The mobile robot autonomous navigation system comprises an infrared sensor distance measurement unit, an upper computer, a main controller and a motor, and is characterized in that the infrared sensor distance measurement unit is used for measuring the distance between an obstacle in one or more directions and a mobile robot in real time; the upper computer is used for performing path planning on the mobile robot according to the distance between the obstacle and the mobile robot, generating navigation information and sending the navigation information to the main controller; the main controller is used for controlling the motor to operate according to the navigation information sent by the upper computer so as to enable the motor to drive the mobile robot to perform autonomous walking. By using the mobile robot autonomous navigation system and method, requirements for hardware equipment and working environment of the robot are effectively reduced under the condition of ensuring certain navigation accuracy, and the cost-to-performance ratio of products is improved.

The invention provides a high-cost-performance high-power IGBT module. N(n is equals to 2) single-phase half-bridge IGBT modules 2 are connected in parallel to be combined into a high-power single-phase half-bridge IGBT module, which is supplied with power by a DC energy source 6. Loads are connected to a general power outputting port 4. The high-power IGBT module integrates an IGBT drive circuit 1 and an absorption circuit 3. A module managing control unit 5 is connected with the IGBT drive circuit 1 through an I / O interface, and the temperature of n single-phase half-bridge IGTB modules through an analog interface is collected by the module managing control unit 5. The module managing control unit dynamically distributes a work mode to each single-phase half-bridge module to optimize the system. When detecting that a certain single-phase half-bridge module goes wrong by the IGBT drive circuit, the safety control module of the module managing control unit 5 can alarm, and then the module managing control unit 5 re-distributes the work modes to the rest right single-phase half-bridge IGBT modules. The invention has the advantages that the whole power range is effective, the reliability is high, the density of the power is high, and the cost is low.

The present invention provides a method of separating a polymer from a solvent comprising introducing a superheated polymer-solvent mixture into an extruder, and isolating a polymer product, said extruder being equipped with at least one vent operated at subatmospheric pressure and at least one vent operated at about atmospheric pressure, said extruder having a screw diameter D, said extruder being operated at a feed rate FR and at a screw speed RPM such that a devolatilization performance ratio (DPR) given by Equation (I)DPR=FR / RPM  Equation (I)is selected from a predetermined set of devolatilization performance ratios which correlate with a target characteristic of the polymer product.

A heat exchanger includes a first section and a second section for cooling distinct fluids, wherein the second section is adapted for cooling oil. The heat exchanger includes first and second manifolds divided by baffles into first and second chambers. A plurality of tubes connect the manifolds in fluid communication with the first chambers to form the first section of the heat exchanger. A plurality of oil cooling tubes connect the manifolds in fluid communication with the second chambers to form the second section. The oil cooling tubes have a cross-section characterized by a performance ratio between about 3.9 and 8.5 wherein the performance ratio is the ratio of the wetted perimeter in millimeters divided by the cross-sectional area of tube metal in square millimeters. The oil cooling tubes may be formed of extruded metal with internal fins or an extruded tube having a stamped metal insert.

The invention discloses a handheld type large-scale three-dimensional measurement scanner system simultaneously having photography measurement and three-dimensional scanning functions. The handheld type large-scale three-dimensional measurement scanner system comprises two cameras at fixed positions, at least one pattern projector, a photography measurement module and a three-dimensional scanning module, wherein at least one of the two cameras is a multiplex camera used for both photography measurement and three-dimensional scanning; the photography measurement module is used for performing global photography measurement on a measured object through the multiplex camera and obtaining three-dimensional coordinates of a mark point on the surface of the object; the three-dimensional scanning module is used for performing three-dimensional measurement on the measured object through the two cameras and the pattern projector according to the obtained mark point serving as global positioning information of the measured object and obtaining three-dimensional contour data of the surface of the object. The handheld type large-scale three-dimensional measurement scanner system has the global photography measurement and three-dimensional scanning functions and is high in hardware integration degree, easy and convenient to operate and use, and high in cost-to-performance ratio.

The invention discloses a control device and a control method for an AC-DC (Alternating Current-Direct Current) series resonant matrix converter for capacitor charging and mainly aims at solving the problem in the prior art that the control property of a capacitor charging power supply is not high enough to meet the power supply requirement of a high-power microwave system. The control device for the AC-DC (Alternating Current-Direct Current) series resonant matrix converter for capacitor charging comprises a zero-crossing comparator, an On-Off state control unit, a timing sequence generating unit, a control parameter calculation unit, a load voltage acquisition circuit and a trigger driving circuit. The invention further discloses a control method of the control device. With the technical scheme, the control device and the control method, disclosed by the invention, have the advantages that the price / performance ratio is relatively high property, the power supply requirement of the high-power microwave system can be sufficiently met, and the practical value and the popularization value are high.

The invention discloses a multifunctional rare earth product radioactivity detecting instrument based on a composite detector. The instrument can be used for the radioactivity monitoring of the rare earth product, and comprises a composite detector, a signal conditioning module, a lead chamber, a multi-channel data collecting and analyzing module, a computer data analyzing and managing module, a power supply managing module with low power consumption, and the like, wherein the composite detector is formed by combing a detector for detecting alpha and beta total amount and a detector for detecting gamma energy spectrum into a whole. The instrument can be used for simultaneously measuring the alpha and beta total amount and the gamma energy spectrum, and can give the alpha and beta total amount and the contents of radium, uranium, thorium, potassium and rate earth self radioactive element through one-time measurement. The instrument can realize the function which is realized by several instruments and several measurements in the prior art through one-time measurement. The invention has broad applying prospect in the radioactivity detecting field of rare earth industry, and has the advantages of simple and reasonable structure, high price / performance ratio, low energy consumption, strong function, convenient use and the like.

An inexpensive continuous optical measuring apparatus with high cost / performance ratio capable of obtaining the emission of light at respective fixed positions arranged on a foundation member, by a simple device or a control, and a continuous optical measuring method. The apparatus comprises: at least one transparent or semi-translucent storage part capable of storing the foundation member having a plurality of types of predetermined detection substances fixed thereto along an arrangement line at predetermined intervals, with the detection substances and their fixed positions associated; at least one light receiving part installed at a predetermined position outside of the storage part, and receiving light from the fixed positions, and receiving light from an area having a light receiving width narrower than the width of the arrangement line; and a continuous moving part which is continuously moved relatively between the light receiving part and the storage part so as to scan the fixed positions on the foundation member along a spiral moving line having the light receiving width.

The invention provides a novel mobile web services discovery method that is capable of fulfilling the requirements from both the clients and providers. It allows the provider to balance the cost to performance ratios and utilize the network bandwidth more effectively, while also attaining the quality levels expected by the client.

A system and method for maintaining a computer system at a predetermined cost / performance level by automatically selecting hardware and software upgrades for a given, desired level of technology and cost. A subscriber to the inventive system either has an existing computer system or selects a standard computer configuration from an available list provided through the system. The subscriber also selects a desired class of computer technology that is a function of the cost and performance level of the hardware and software components that are available to configure the computer system. Information related to any changes in technology performance and cost for computer system components is input to the system. This information is assessed by the system, and periodically various components of the subscriber's computer system are upgraded to maximize the performance of the computer system while keeping it within the cost / performance ratio of the class or level of technology selected by the subscriber. For this service, the subscriber pays a subscription fee.

The invention relates to nanometer crystal soft magnet core. It includes the cyclic magnet core with 0.027-0.03mm thickness. Its magnet core alloy constituent atom percentages are as follows: Fe 67-80, Ni or Co or Ni and Co 0.1-0.6, Nb 2-4, Cu 0.5-1.5, Si 10-17, and B 6-10. It replaces Ni or Co by Fe to process better initial permeability and 0.5-0.85 magnetic performance ratio. The heat treatment can make the magnet core reach optimal efficiency which can be used in electromagnetic residual current protective circuit breaker and current voltage transformer.

In at least some embodiments, a system, comprises a first computing unit having a first type of processors. The system further comprises a second computing unit having a second type of processors, the second computing unit being coupled to the first computing unit. The first and second computing units are configured to provide parallel processing of an application based on an algorithm that distributes work evenly to a plurality of threads. The number of the threads assigned to each of the first and second computing units is based on a number of processors associated with each of the first and second computing units and a per-processor performance of the first and second computing units.

A module embedded digital control system, comprising of standard PCC input / output interface module and outer interface connecting to the outer device. Its characteristics are that it also comprises of inner solidified modulized rebuiltable CPU management control module of embedded digital control system software library, driving control module for 1 axial, 2 axial or 4 axial of driving control software library, which belongs to the inner solidified modulized embedded 1axial, 2 axial, or 4 axial, PLC management control module of the inner solidified module embedded PLC control software, and digital control inner network serial network bus for realizing network connection between the modules and multi-access management control software package . The system has used digital control inner CAN serial network bus and multi-access technologies, modulized digital control hardware control module, making the system can do modulized combination according users requirement, and the advantages are high efficiency and accuracy; high cost / performance ratio.

A method to create a drilling performance assessment ratio. The ratio includes the steps of establishing a technical minimum time limit standard for each of multiple sequential steps required for a drilling operation. Actual time performance for each of the multiple steps is measured for an actual drilling operation. The actual performances are compared to the technical time limit standards in order to produce a drilling performance ratio.

The invention discloses a dehumidifying device of a heat pump. The dehumidifying device comprises a refrigerating cycle, a dehumidifying module and a circulating air module. The refrigerating cycle comprises a first condenser, an evaporator, an expansion valve and a compressor; the dehumidifying module comprises a heat regenerator, air is fed into the heat regenerator from a hot side, a hot-side air outlet of the heat regenerator is connected with a cold-side inlet of the heat regenerator by a pipeline via the evaporator, and a cold-side outlet of the heat regenerator is connected with an air outlet pipeline; the circulating air module comprises a circulating fan, and the circulating fan is mounted beside the first condenser. The dehumidifying device has the advantages that the dehumidifying performance can be improved, the air volume of the condenser can be increased, the condensation pressures can be reduced, a comprehensive dehumidifying performance ratio of the dehumidifying heat pump can be increased by 20% at least, the operating expense can be greatly saved, the using temperature range of identical refrigerants in drying procedures can be expanded, the unit mounting expense can be reduced, and mounting spaces can be saved.

This invention presents an innovative de-scaling step to effectively eliminate scale obstacles in desalination plants to: (1) allow better performance ratio by either reducing steam load or increasing distillate production, and thus more efficient and cost effective plants; (2) reduce the enormous volumes of the total required seawater (recycle brine and returned cooling seawater) and reject brine; (3) eliminate the addition of scale inhibitors and frequent shut-downs to remove scale buildup; and (4) minimize reduction in heat transfer coefficients. This invention, as a result of the effective de-scaling step, also presents a new effective design for Multi-Stage Flash (MSF) desalination plants, which is based on what its coined a Brine-Forward (BF) concept. The BF-MSF concept is multi-boiling without supplying additional heat after the train's brine heater, and multi-concentration without supplying additional seawater after the first train of the plant. Thus, the BF-MSF concept entirely eliminates brine recycling and returned (rejected) cooling seawater, which provides tremendous savings in pumping power.

A method and apparatus for provide highly efficient traffic routing for a wide range of possible traffic matrices (TM) in an intra-domain network. That routing optimally balances the traffic loads over a range of traffic matrices so as to minimize the deviation for any particular traffic matrix from the optimal routing. Such a routing provides a guaranteed performance ratio against the best possible network routing. The invention utilizes a method of optimally configuring a traffic network based on solving a linear program to obtain the optimal routing, and then configuring the routing on the network accordingly.

The subject invention pertains to a method and circuit design particularly useful for long time constant RC active or passive circuits in either continuous or discrete time domains. The subject invention also relates to a method and circuit design useful for long time constant RL active or passive circuits in either continuous or discrete time domains. The subject invention can find advantage in the mixed-signal, electronic circuit component market. The subject invention widens the application and the price / performance ratio of VLSI analog electronic circuits, and can be easily included in conventional circuit designs.

The invention relates to a multi-layer composite thermal protective material and a preparation method thereof. The thermal protective material is prepared by alternately laminating thermal insulationmaterials with the first thickness and anti-infrared radiation materials with the second thickness. The multi-layer thermal protective material is formed by combination of thermal insulation, thermalprevention, gas convection resistance and infrared radiation resistance multi-heat insulation mechanism, and the purposes of high performance heat insulation, thickness space saving and lightweight weight reduction are achieved. The thermal protective material is green and environmentally friendly in production process, is a thermal protective material with high price / performance ratio, has the highest temperature resistance reaching up to 1600 DEG C, and can be applied in industrial kilns, metallurgy, heat supply network pipelines, aerospace and other fields.

The invention relates to velocity transducer output signal analog device and method, belonging to the technical field of electronics. Aiming at overcoming the defects of the prior art and in order to enlarge the application range of the velocity transducer output signal analog device, the technical scheme of the invention comprises the following steps of: firstly, receiving an external control command for formulating the signal characteristics to be output by the current velocity transducer by using a main processor module and an external communication interface module; then, generating the amplitude of the current output signal in real time by using a waveform generating module, and acquiring the analog quantity value of the amplitude of the output signal; subsequently, smooth filtering the waveform of the signal through a program controlled filtering module; and finally, amplifying the amplitude of the signal to be output by the current velocity transducer by using a power amplifying module. The technical scheme realizes the analog and the simulation of various velocity transducer output signals, and the invention has the characteristics of high frequency conversion velocity, easy realization, easy replication, low cost, high price-to-performance ratio and the like.

A conversion factor learning unit successively updates a temperature conversion factor by learning a performance ratio of an output heat quantity with respect to an input scale number corresponding to a requested heat quantity generation to a hot water supply apparatus. The temperature conversion factor learned by the conversion factor learning unit is reflected in arithmetic operation of an FF scale number by a feedforward control unit and arithmetic operation of the FB scale number by the feedback control unit. An integral control in the feedback control unit is preferably turned off.