112results about How to "Verify performance" patented technology

The invention provides a system and method in which a lift truck that is equipped with a weighing device; a remote computer, an input device, and a display screen. The display screen is located on the lift truck in a position that permits the operator to see information displayed thereon. During use, the operator of the lift truck inputs identifying information for the piece of freight into the computer and obtains a weight of the piece of freight with the weighing device. This information is displayed on the display screen. A video imaging device disposed on the lift truck captures video image data of information displayed on the display device. The captured video image data is communicated from the lift truck to a receiver and is displayed on a second display device within the freight terminal. The displayed video images can be monitored to verify that lift truck operators are obtaining weight data for pieces of freight.

A system for calibrating and / or verifying system performance of a remote portable EEG system having at least one EEG sensor. Embodiments of the invention can provide various reference signals to calibrate and quality control the remote performance of the data acquisition EEG system. In addition a calibration cable connects a reference signal source to the EEG sensors to enable remote calibration and quality control assessment. Further, a diagnostic biomarker is included to assess the state or function of a subject's brain and enables the classification, prognosis, diagnosis, monitoring of treatment, or response to therapy applied to the brain by measuring any one of a list of candidate features extracted from a given cognitive or sensory task, and measuring changes in the EEG feature and task combination over time, among multiple states, or compared to a normative database.

The invention relates to a debugging method for a + / - 800 kV ultra-high voltage direct-current transmission project system. The system comprises convertor stations at two ends and a direct-current transmission line. The debugging method for the + / - 800 kV ultra-high voltage direct-current transmission project system comprises the following steps that (I) the + / - 800 kV ultra-high voltage direct-current transmission project system is subjected to calculation and analysis; (II) a debugging scheme for the + / - 800 kV ultra-high voltage direct-current transmission project system is formed; (III) a debugging plan for the + / - 800 kV ultra-high voltage direct-current transmission project system is made; (IV) the + / - 800 kV ultra-high voltage direct-current transmission project system is subjected to a field debugging test; (V) the + / - 800 kV ultra-high voltage direct-current transmission project system is subjected to a pilot run; (VI) the + / - 800 kV ultra-high voltage direct-current transmission project system is subjected to a debugging summary. According to the debugging method for the + / - 800 kV ultra-high voltage direct-current transmission project system, a single current converter and a monopolar and bipolar system debugging test are combined for the first time, therefore, the efficiency of a system debugging test is improved, the system debugging speed is increased, good conditions are created for finishing system debugging in advance, and experience and reference are provided for the debugging of a direct-current transmission project system in future.

The invention provides a multi-Agent-based distributive deduction simulation system and a multi-Agent-based distributive deduction simulation method. The multi-Agent-based distributive deduction simulation system comprises a data communication link, a deduction configuration and statistic analysis computer, an environment information management computer, an environment master control system computer and a distributive deduction Agent computer. The multi-Agent-based distributive deduction simulation system can realize independent perception of battleground environment and independent decision and behavior output, can select different deductive Agent models, and becomes an expansible and universal combat simulation system only by modularly changing corresponding combat weapon bank or loading the brand-new equipment information in a fixed format to the combat weapon bank for some new combat weapons or equipment so as to test the performance of the various new combat weapons.

A method for managing the configuration of a host adapter is provided. The method provides for the access and configuration of a host adapter from within the computer operating system. Icons and graphical user interfaces are displayed providing a plurality of configuration options and diagnostic tools to allow access, evaluation, management and testing of host adapters and peripheral devices connected thereto in a manner with the look and feel of any other computer system device. When configuration changes are input, the method provides a prompt indicating the system must be rebooted for the changes to be implemented, and a reboot command for the user to execute. While executing the reboot command, the system flashes the host adapter configuration changes to the EEPROM on the host adapter, and the system initializes in accordance with the changed configuration settings. In addition to the method for managing the host adapter and associated configuration, also provided is the computer readable media with program instructions implementing the method.

The present invention relates to a testing method of interconnection buss for peripheral components. It utilizes PCI test card to directly operate I / O and internal memory space of PCI bus map, firstly, the PCI test card is inserted into PCI slot, then according to the configuration information the parameters required for host access can be distributed for said PCI test card, then the parameters can be written into the PCI configuration space of PCI test card, according to said configuration space the port mapping mode of said PCI test card can be defined, the data can be written into 32-bit and 64-bit address respectively, finally, according to fetch result the test conclusion can be obtained.

A blade tip jet test device comprises a subsonic turbine cascade wind tunnel. The wind tunnel comprises a fan, a pressure stabilizing barrel, a honeycomb, convergence devices, an inlet section, a movable side plate, a test cascade, and a rotatable semi disk. The cascade is composed of blades. The device further comprises a sheet used for making blade tips, and blade tip jet holes which are distributed in the range of chord length at a distance from the front edge of the blades and are adjustable. In the thickness direction of the blades, the tangential jet angle, flow-direction jet angle and jet flow of the jet holes can be adjusted. Static pressure holes are distributed on the surfaces of the test blades. Test points are distributed on the section of the exit of the cascade. An optimal jet scheme is obtained in the invention, the performance of the scheme in the range of attack angle of an actual blade is verified, and whether the blade tip jet scheme has industrial practical popularization value can be well verified.

The invention discloses a gene sequencing data simulation system and method for simulating crowd background information. A target capture area file, sequencing depth, seven types of mutation, frequencies of mutation occurrence, and coordinates of mutation on a reference genome are input, the number of templates is determined based on the sequencing depth, the probability distribution of the corresponding template length is generated by using an acceptance rejection algorithm, each template is traversed, the number of the templates which have been traversed is determined, when not all the templates are traversed by the algorithm, copy number mutation simulation, single nucleotide site mutation simulation, gene fusion simulation, tandem repeat simulation, inversion mutation simulation, insertion fragment simulation and deletion fragment simulation are performed on each of the extracted length templates, and reads are generated and written into a sequencing file; when all the templates are traversed, the generation of the sequencing file is completed; read comparison is performed, the simulated sequencing file and a comparison file thereof are output, and the simulation is completed.The gene sequencing data simulation system and method for simulating crowd background information can be used for easily and quickly obtaining a sample containing specific mutation.

The invention provides a NAND Flash controller with an error detection and correction mechanism. A controller state machine realizes page programming operation, page reading operation, block erasing operation, read state operation, read ID operation and device reset operation. A register group comprises a command register, an address register, a data register and a status register. The ECC check module performs real-time check detection on the data read out or written in the data register when executing page programming operation or page reading operation. If data error is detected, the ECC check module cooperates with the controller state machine module to correct the error and store the corrected correct data in the data register. As the NAND flash characteristic are taken as constraints, the invention has an error detection and correction mechanism, and can improve the overall performance of the solid-state storage device.

A system and method for characterizing the jitter of a periodic signal. Samples of the signal are taken with a sampling device. A set of samples representing a particular value of the signal in multiple cycles of the periodic signal is collected. Those values are formed into a histogram. The histogram is matched to a probability distribution function. By identifying parameters that shape the probability distribution function to match the histogram of actual samples, characteristics of the jitter are determined. This technique may be employed as part of the calibration or verification of the jitter injection instrument such as might be used for testing semiconductor devices. Measurements may be made with a sampling device that is calibrated to NIST standards. In this way, the jitter measurements become NIST traceable.

The invention discloses a laser strapdown inertial navigation system comprising a human-machine interaction interface module, a dynamic trajectory generation, a sensor module, a software error model, sensor simulation excitation hardware module, and a laser inertial navigation computer electronic component. With the system provided by the invention, cost is effectively reduced, and excessive consumption caused by the purchasing of physical inertial sensors or an actual flight test or a flight simulation test during testing, adjusting, and performance evaluation of the strapdown inertial navigation system computer electronic component are avoided. The system has high versatility, and can simulate inertial sensors of various types, such that the performance of a strapdown inertial navigation system computer electronic component can be comprehensively verified.

The invention discloses a small unmanned-rotorcraft gyroscope structure test system based on a six-dimensional force sensor. The small unmanned-rotorcraft gyroscope structure test system comprises: athree-degree-of-freedom motion test platform based on a triaxial gyroscope structure, which is used for testing three-degree-of-freedom arbitrary motions of pitching, rolling and yawing of a small unmanned craft; an unmanned craft state measurement module based on a multi-source sensor combination, which comprises a six-dimensional force sensor, an inertial attitude sensor and an unmanned craft external sensor; a test platform ground station control module, which comprises a flight controller and a test platform controller and is used for operating a plurality of motion modes of the unmanned craft and an observation parameter model of a measurement platform to realize motion measurement, state perception, data transmission and PC-side visualization for the unmanned craft; and a multi-source data fusion and analysis principle model. The small unmanned-rotorcraft gyroscope structure test system provided by the invention can meet the demand for the functions of three-degree-of-freedom motion state estimation and indoor training of a tiny unmanned rotorcraft, and realizes flight attitude estimation, vibration analysis, actual motion display and indoor flight training of the unmanned craft.

The invention discloses a pneumatic performance testing method as well as a pneumatic performance testing device. The method comprises the following steps of: simulating and generating a primary air stream and a scavenging stream in a primary air stream flow passage and a scavenging stream flow passage of a particle separator; measuring the total pressure value Pt1 of an inlet cross section of an air intake duct of the particle separator; then regulating the primary air stream outlet flow rate Q1 and the scavenging stream outlet flow rate Q2 of the particle separator respectively so as to enable the SCR to correspond to the preset value, wherein the SCR is equal to Q2 / Q1; measuring the outlet cross section total pressure value Pt2 in the primary air stream flow passage of the particle separator; and calculating the air intake total pressure loss value delta P. The device comprises the air intake duct, the primary air stream flow passage and the scavenging stream flow passage as well as air pumping fans arranged on the flow passages as well as a pressure measuring unit, a flow rate measuring unit and a flow rate regulating unit. The method and the device provided by the invention provide a quantization means for evaluating performances of the particle separator, and whether the performances of the particle separator correspond to the whole machine performance index of an engine can be tested conveniently.

The invention discloses a method for accurately positioning bridge cranes and planning tracks in an online manner on the basis of phase plane analysis. The 32t bridge cranes can be automatically controlled by the aid of the method, and the method is excellent in positioning and anti-swing performance. The method includes simplifying system dynamics models and providing principles of phase plane processes; testing running characteristics of the industrial cranes in fields, analyzing the running characteristics and providing a process for planning the tracks in an online manner according to the running characteristics. The method has the advantages that track planning parameters are adjusted on an online manner by the aid of data of laser range finders in crane running procedures, grade braking schemes are adopted, theoretical analysis is carried out by the aid of analysis processes on the basis of phase planes, and system swing angles are proved to be close to zero when the bridge cranes reach target locations; the method is applied to automatic control systems of the 32t bridge cranes, excellent control effects can be realized, and accordingly the method has excellent practical application value.

The verification system for fast autonomous deep-space optical navigation control prototype belongs to the field of semi-physical simulation system based on virtual reality. It includes the autonomous optical navigation control and dynamic simulation system to be verified with the selected landed planet and area to generate the navigation information and control command of deep-space detector to complete the dynamic simulation of the deep-space detector; a target simulating system to generate the 3D virtual environment the deep-space detector faces and to be shown in the display based on the detector information produced through dynamic simulation; and an optical navigation camera system to take the image on the display and to drive the generation of next step of deep-space detector navigating information and control command and complete the dynamic simulation of the deep-space detector.

The invention provides a general portable satellite power supply and distribution system equivalent device. The equivalent device comprises a machine case, a machine case cover, a touch screen, an ARM board, a simulation board card, an adapting board card, an SD card, an aviation plug adapting cable, an interface expanding board, an internal battery, a power plug and a power adaptor. The equivalent device generates a control command through the touch screen to transmit the control command to the ARM board card, the ARM board card generates an equivalent configuration command, the simulation board card simulates interfaces and functions of a satellite power supply and distribution system, and a ground power supply and distribution test device generates an output signal and transmits the output signal to the ARM board. The ARM board judges whether the ground power supply and distribution test device works normally or not, the interface expanding board is connected with the adapting board card, an external power source is connected with the power plug through the power adaptor, and the internal battery and the external power source back up each other. By means of the general portable satellite power supply and distribution system equivalent device, generalization, miniaturization and digitization of the satellite power supply and distribution system equivalent device are achieved, the design concept of the general portable tool provides a train of thought for future ground test device research and development.

The invention relates to a compressor test bench, in particular to a closed circulating compressor test bench with helium as a working medium. A motor is installed on a base bottom frame, the motor isconnected with an input shaft of a gearbox through a diaphragm coupling, an output shaft of the gearbox is connected with a torque measuring instrument, and the torque measuring instrument is connected with a test compressor. The test compressor, corrugated pipe expansion joints, a flow stabilization section, a flow stabilization box, a middle section, a heat exchanger and an exhaust section areconnected in sequence. An exiting surge pipeline is connected with the middle section and the exhaust section and provided with an exiting surge valve. The middle section is provided with a valve. Thegearbox is connected with a lubricating oil station and supplies oil through the lubricating oil station. The flow stabilization box is connected with a diaphragm compressor and a vacuum pump. A helium storage tank is connected with the diaphragm compressor and the middle section. The performance testing problem of a domestic compressor with helium as a working medium is solved. The structural design is reasonable, energy is saved, and the closed circulating compressor test bench is easily applied and popularized on a large scale.

The invention discloses an interest recommendation method based on geography-society relationship and deep implicit interest mining, which relates to the technical field of the Internet. Under the current reachable area of users, a deep potential geography-social relations point of interest recommendation model DDR-RP is established based on the similarity between the user's co-sign-in behavior and the user's implicit interest topic according to the user's link relationship. In the user-reachable area, the user link relationship and the user co-sign-in behavior relationship are aggregated intodouble-geography-society relationship and the proposed RTU-TCP method is used for mining users' deep implicit interest topic similarity relationship. The similarity relation of the double-geography-society relationship and Deep Implicit Interest Topic serves as the regularization term of DDR-PR model to improve the performance of POI recommendation method. The results show that DDR-PR model is superior to other benchmark recommendation methods in two real datasets.

A blind plug type liquid cooling module comprises a liquid cooling cavity which is composed of a cavity, a built-in flow channel, and fluid. A puller is arranged in the front of the liquid cooling cavity. A floating blind plug connector is arranged in the rear of the liquid cooling cavity. A plurality of printed boards or devices are arranged in the middle. Locking strips are arranged at both sides. A cover plate is arranged at least above. The cover plate, the liquid cooling cavity and the floating blind plug connector constitute an isolated chamber which provides electromagnetic shielding and salt fog isolation for the printed boards or the devices. A blind plug liquid cooling joint is arranged in the rear of the liquid cooling cavity. A cooling channel is formed between the blind plug liquid cooling joint and the built-in flow channel of the liquid cooling cavity. Cooling liquid circulates in the cooling channel to cool the printed boards or the devices.

The invention discloses high hardness butadiene-acrylonitrile rubber, which consists of the following components in part by weight: 80 to 120 parts of butadiene-acrylonitrile rubber, 1 to 4 parts of antiager, 2 to 7 parts of zinc oxide, 0.5 to 2 parts of stearic acid, 20 to 40 parts of polrvinyl chloride, 0.5 to 2 parts of lead phosphite, 20 to 40 parts of carbon black, 25 to 50 parts of white carbon black, 6 to 12 parts of o-dibutyl ester, 0.2 to 1 part of benzoic acid, 40 to 60 parts of resin, 3 to 8 parts of promoter H, 0.5 to 3 parts of promoter CZ, and 1 to 4 parts of sulfur. The prepared butadiene-acrylonitrile rubber has the hardness of 65+ / -5 (Shore hardness), the elongationatbreak of over 120 percent and the modulus of compression of 60MPa; and bumping adaptor maintaining and fitting layers prepared from the high hardness butadiene-acrylonitrile rubber have the properties of high hardness and high modulus, can meet turning accuracy requirement and high modulus requirement, also meet the requirements on rigidity and marine service environment, have been applied to bumping adaptor products, and can meet operating requirement through property inspection.

The invention discloses an electronic cochlear debugging platform based on a local area network (LAN), and belongs to the technical field of electronic cochlear implantation. The electronic cochlear debugging platform is characterized by comprising person computer (PC) end electronic cochlear algorithm experimental platform software, an embedded processor module, an audio module, a modulation and power amplification module and a wireless transmitting coil. The PC end electronic cochlear algorithm experimental platform software is mainly used for controlling an electronic cochlear working mode and working parameters and carrying out data communication with the embedded processor module in a form of LAN communication; the embedded processor module comprises a low power consumption dual-core processor OMAP-L137 containing a digital signal processor (DSP) and an accumulator read-in module (ARM) and a protective circuit; the audio unit comprises an audio decoder-coder, a sound acquisition interface connected with a microphone, and an earphone output interface; the modulation and power amplification module comprises a baseband signal generating circuit, an amplifying and filtering circuit, a modulation circuit and a power amplifying circuit; and the wireless transmitting coil is mainly used for being coupled with an electronic cochlear implant and transmitting data and energy. The electronic cochlear debugging platform can be used for development and research of parameter debugging and new algorithms.

The invention provides a performance detection system and method for a VDSL terminal with double-frequency wireless routing performance. The system comprises the VDSL terminal, an AC stabilized-voltage power supply, a temperature and humidity regulator, an SIP voice server, a first telephone, a second telephone, a first computer, a second computer, a third computer, a fourth computer, a VDSL local terminal and a traffic generator. The SIP voice server, the first telephone and the second telephone are used for detecting the voice performance of the VDSL terminal. The traffic generator and the VDSL local terminal are used for detecting the wired performance of the VDSL terminal. The first computer and the third computer are used for detecting the 2.4G wireless performance of the VDSL terminal. The second computer and the fourth computer are used for detecting the 5G wireless performance of the VDSL terminal. By means of the performance detection system and method, the heat dissipation performance, the environment stability, the wired performance, the voice performance, the 2.4G wireless performance and the 5G wireless performance of the VDSL terminal with the double-frequency wireless performance can be detected simultaneously.

The invention relates to a method for a load dump test of a gas turbine. According to the technical scheme of the method for the load dump test of the gas turbine, a hydraulic dynamometer serves as a load. The method comprises the following steps that the position, corresponding to each power point of the gas turbine, of a water inlet valve and the position, corresponding to each power point of the gas turbine, of a water discharging valve of the hydraulic dynamometer are recorded; the hydraulic dynamometer is switched to a valve control mode, an over-torque and over-speed alarming value and an over-torque and over-speed alarming action of the hydraulic dynamometer are set; the fluctuation quantity of speed of a power turbine rotor is recorded. The method for the load dump test of the gas turbine aims at improving the safety of the in-field load dump test of the gas turbine and the reliable basis and the improvement direction are provided for the out-field load dump test of the gas turbine.

The invention discloses a polyimide material as well as a preparation method and application thereof. The polyimide material is generated by taking N, N-dimethylformamide, N-methylpyrrolidone and thelike as solvents and reacting anhydrides such as 1, 4, 5, 8-naphthalenetetracarboxylic dianhydride, pyromellitic dianhydride and 1, 2, 4, 5-cyclohexane tetracarboxylic dianhydride with urea. The polyimide material shows relatively high specific capacity and stable cycle index in an aqueous lithium ion half battery. In the future, the material can be matched with more mature positive electrode materials to construct a high-energy-density aqueous lithium ion total battery.

The invention discloses a simulated data generation method and system for distributed POS (Position and Orientation System) transfer alignment. According to the method and the system, the method comprises the following steps: setting distributed POS device parameters, track parameters and flexural deflection parameters, and generating accurate motion parameters, angular velocity and specific forcedata of the body at a mounting point of a main IMU (Inertial Measurement Unit); considering a misalignment angle of the main IMU, and generating the motion parameter of the main IMU, gyroscope data and accelerometer data. Meanwhile, a wing flexure deflection model is established from an angle of elastic mechanics according to the set flexural deflection parameters, the influences of the wing flexure deflection on positions and speeds of sub-IMUs in three axis directions of a body coordinate system are considered so as to generate the flexural deflection angular data at the mounting point of the main IMU and lever arm deflection data between the main and sub-IMUs, and the accurate motion parameter of the sub-IMUs, gyroscope data and accelerometer data are further generated. The method andsystem disclosed by the invention contribute to improving the accuracy for evaluating the performance of a distributed POS transfer alignment algorithm.

The two-phase return-to-zero asynchronous transceiver is delay-insensitive and specifically designed for on-chip interconnects. A handshaking protocol utilizes a return-to-zero data format, thereby simplifying communication circuits' design significantly. The robust transceiver circuits utilizing the handshaking protocol can be implemented at 0.13 μm and 1.2 Volts.

The invention relates to a lip seal test experiment table, which comprises a T-shaped groove platform, wherein the T-shaped groove platform is provided with an alternating-current motor, and the alternating-current motor is fixedly provided with a shaft sleeve. An oil chamber is installed on the shaft sleeve and is connected with a static torque sensor through a key, and the right end of the static torque sensor is put into a connecting flange through key connection. An oil spur is sheathed onto the shaft sleeve, and the right side of the shaft sleeve is provided with a plastic end cover. An oil limiting chamber is fixedly arranged on the T-shaped groove platform through bolt connection, and the bottom of the oil limiting chamber is provided with an oil leak hole. A lip-shaped seal ring is installed into the oil chamber. The lip seal test experiment table can inspect the function of the lip-shaped seal ring and the feasibility and the reliability of key components under simulation of the actual condition, and a seal performance test of the seal ring under the working condition is realized. A research for expanding the test range of the inner diameter of the seal ring is realized, and a research of the disassembly process and method of the shaft sleeve is realized. A research of the influence of temperature on the seal effect is realized, and the lip seal test experiment table mainly measures the temperature change in a contact area of the shaft sleeve and the seal ring and an oil supply chamber. The lip seal test experiment table can conduct experiments to a plurality of tested seal rings at the same time.

The invention discloses an artificial intelligence assisted prostate tumor early diagnosis method based on surface enhanced Raman spectroscopy. The method comprises the following steps of: collectinga serum sample; adopting a Raman spectrometer for detection; performing graphic analysis and data processing on an acquired Raman spectrum signal; selecting a biological tissue Raman spectrum concentration range of 400-1800cm<-1> for analysis, and preprocessing an original spectrum acquired by a spectrograph through Origin Pro 8 software, i.e. performing background reduction and spectrum area homogenization, drawing a serum average Raman spectrum, and then comparing changes and differences of related Raman characteristic peaks, thus finally obtaining a diagnosis result of prostate tumor earlydiagnosis. The method provided by the invention is higher in sensitivity and specificity, and unnecessary needle biopsy and missed diagnosis caused by an existing screening diagnosis method are reduced.

The invention discloses a pressure-maintaining maintenance seal experiment table which is a uniform performance test experiment table developed for checking pressure-maintaining maintenance seal. The pressure-maintaining maintenance seal experiment table comprises an experiment table body, a cooling water system, a high-pressure air source system, a heating system, a temperature measuring system and a bolt pull force measuring system. Under the condition of simulating an actual working condition, the pressure-maintaining maintenance seal experiment table is used for checking the pressure-maintaining maintenance seal function and the feasibility and the reliability of key parts, and realizes a seal performance test under the working state of a primary maintenance seal, a seal performance test after a secondary maintenance seal is jointed for multiple times, cooling capacity analysis of a cooing sleeve, research of a treatment method for residual water in a maintenance seal structure after a cover plate and a cooling sleeve are dismantled, research of a dismantling process and method of a gland bolt of the primary maintenance seal when a bottom chamber is in a high-pressure state, influence research of temperature (mainly measurement of a main shaft temperature, a temperature in a high-pressure cavity, a temperature of a low-pressure cavity and a temperature change along the axial direction) on each seal, and influence of main shaft deflection on the performance of the secondary maintenance seal.

The invention discloses a dynamic inter-satellite network route planning method based on a hybrid strategy. The method comprises the steps of starting from a first time slot or hop with an unplanned satellite s in a navigation satellite set S as a starting satellite, searching a target satellite which has a measurement link with each satellite in the start satellite set in a time slot or hop in each time slot or hop, then taking a path with a shortest hop or time in all reachable paths which can reach the target satellite in the time slot or hop as the route path of the target satellite, and adding the target satellite into the start satellite set to participate a next time of search until the route paths of all target satellites are found, wherein input data is a topology structure T and the navigation satellite set S, and an output result is inter-satellite route set SR. According to the method, the shortest time and shortest hop of data consumed in inter-satellite link transmission can be realized.