43results about How to "Effective performance testing" patented technology

The invention discloses a UHV DC protection field test method, device and system based on full process operation characteristic simulation, and the method comprises the steps: constructing an AC-DC primary loop model of a UHV DC transmission project and a DC control system equivalent model; performing model parameter configuration according to a required operation mode of the UHV DC transmission project; performing protection test configuration according to the functional logic of the tested protection; using a configured model for transient simulation operation calculation to obtain simulation operation data; extracting and processing the simulation operation data, and finally obtaining an AC analog simulation signal, a digital simulation signal, a switching value simulation signal and acontrol bus simulation signal which are outputted to a tested protection device; acquiring the protection exit action information of the tested protection device, and storing the information. The method can guarantee the testing reliability of the UHV DC protection function through the full process operation characteristic simulation of the UHV DC transmission project.

A semiconductor memory apparatus includes a bit line pair electrically connected to a memory cell and a bit line sense amplifier for detecting and amplifying voltage levels of the bit line pair. The semiconductor memory apparatus is configured to perform a test to determine the occurrence of leakage current by deactivating the bit line sense amplifier and applying a test voltage to the bit line pair when the semiconductor memory apparatus is in test mode.

In the program for generating a test case based on a use case diagram and the method for generating a test case using the same according to exemplary embodiments of the present invention, since a use case specification specifying a procedure or method scenario performed in a use case diagram is used to complement insufficient information of a use case diagram used to extract a test case, a layer, although he is not a specialist or an expert, can easily generate a certain level of a test case to effectively perform a test. Thus, requirements can be verified in advance by generating a test case from a use case program, reducing the costs for a system development.

The invention relates to a system for detecting an electronic tag on a low voltage current transformer calibration line and a method thereof. The system comprises a conveying belt, a stop position, a barcode scanner, an RFID antenna, an RFID reader-writer, a secret key management unit, an electric control programmable logic controller PLC, a host, a displayer and a metal shell. The detection method comprises the steps that the RFID reader-writer performs identity authentication on the electronic tag and performs MAC authentication on the information stored in the read electronic tag and compares the information through MAC authentication and barcode information of the electronic tag read by the barcode scanner; as for the successfully compared electronic tag, transformer calibration information of the electronic tag is read from a database server by the host, the calibration information is encrypted by using the secret key management unit and the RFID reader-writer is controlled to write encryption information in the electronic tag and perform authentication; and the host acquires an electronic tag transaction secret key from the secret key management unit and controls the RFID reader-writer to write the transaction secret key in the electronic tag and perform identity authentication.

The invention discloses a comprehensive detection method and a detection system for an automotive hydraulic automatic transmission control assembly. The method comprises the following steps of: performing a control assembly performance test, a control assembly thermal shock test, a control assembly immersion test and a control assembly pressure and temperature cycle test; simulating various complex working conditions of the hydraulic automatic transmission control assembly in the actual using process of an automobile under laboratory conditions; and comprehensively testing and evaluating the performance, reliability and service life of the automatic transmission control assembly. The detection system comprises a solenoid valve testing device, a mechanical system, a hydraulic system, an electrical control system and an automatic control system. The invention finishes comprehensive detection and evaluation of the automatic transmission control assembly through automatic means, can be widely applied to automobile manufacture enterprises, research and development mechanisms, detection mechanisms, quality measurement departments and maintenance enterprises, contributes to self-research and development of high-end automotive automatic transmissions, propels the technical progress of the industry, and has good economic and social benefits.

A socket for the electrical part of the present invention has a socket body to be mounted on a circuit board and to accommodate the electrical part and a contact pin disposed in the socket body, through which the circuit board and the electrical part are electrically connected. The socket body includes an accommodating surface portion to accommodate the electrical part. A height of the accommodating surface portion is an approximately the same height as that of another socket which is disposed next to the socket. And when a plurality of the sockets for the electrical part are disposed adjacently to each other, the electrical part can be mounted over a plurality of accommodating surface portions in such a manner as bridging the accommodating surface portions.

A test method for relevancy testing of an identifier able to be transmitted to a communication device by way of a communication network in a message, a test module therefor and a generating module for building a relevancy table provided for the testy method. In the test method a first position in the relevancy table is sought for the identifier on the basis of a calculating rule applied to the identifier or a on the basis of a second position alternative to the latter using a move-on rule applied to the identifier in a case of conflict, in which the first position is not available until an available position is found. The identifier is designated as being relevant, when at the first or the second position the identifier or a value associated with it is entered or as being irrelevant, when at the first or the second position a non-use marker is entered.

The invention relates to the technical field of spark plug performance test equipment, and discloses a spark plug knock-resistance performance test device, system and method. The spark plug knock-resistance performance test device comprises a burning bomb, an ignition spark plug and a to-be-tested spark plug; a test cavity is arranged in the burning bomb; the ignition spark plug and the to-be-tested spark plug are arranged on the burning bomb; the burning bomb is provided with a gas inlet and a gas outlet; the gas inlet is used for filling combustible mixed gas into the test cavity; the gas outlet is used for being connected to an exhaust system; the ignition spark plug is used for igniting the combustible mixed gas; furthermore, detonation wave is formed in the test cavity; and thus, theto-be-tested spark plug is impacted. According to the spark plug knock-resistance performance test device disclosed by the invention, the detonation wave is formed in the constant-volume burning bomb;the detonation wave forming controllability is improved; the knock impact resistant performance of the to-be-tested spark plug is tested by utilization of the detonation wave; the device is suitablefor testing all kinds of spark plugs; performance optimization experiment support is provided for material selection and structural design of the spark plug; and the device is high in test efficiency,rapid in speed and good in repeatability.

The invention relates to a method for designing low-altitude wind shear models by means of fusing vortex rings and discrete gust models. The method includes designing micro-downburst models and the discrete gust models. The method includes steps of firstly, establishing the vortex rings in runway coordinate systems; secondly, determining vortex ring centers, vortex ring radiuses and central perpendicular wind speeds to obtain vortex ring models with fixed vortex ring central intensity; thirdly, configuring mirror vortex rings; fourthly, importing the discrete gust models; fifthly, adjusting gust gradients of the gust models imported at the fourth step; sixthly, adjusting the relative locations of the centers of the gust models and the centers of the vortex rings so that the magnitude of wind shear central intensity can be changed at any moment, and the magnitude of the intensity of integral wind shear wind fields can be simulated. Runway entrances are used as origins of the runway coordinate systems, and approach directions are used as +XR axes of the runway coordinate systems. The method has the advantages that the wind shear models can be designed by means of fusing the vortex rings and the discrete gust models, and the magnitude of the vortex ring central wind speeds of the wind shear models can be changed along with change of the time.

The invention relates to a device for testing stability, climbing performance and anti-falling performance of a robot. The device comprises a bottom frame, a lifting assembly, an upper plane, a slope surface, a tail plate, an angle indicating dial, a touch screen and an electric control cabinet, wherein the upper surface of the bottom frame is connected with the upper plane through the lifting assembly, the rear end of the upper plane is hinged to the slope surface, the angle indicating dial is arranged on the side surface of the hinged part, the rear end of the slope surface is hinged with the tail plate, and a measuring platform of the robot is formed. The touch screen and the electric control cabinet are placed near the measuring platform, and the electric control cabinet is electrically connected with the lifting assembly and the touch screen. After the device provided by the invention is adopted, the performance test of the mobile robot is more efficient, more accurate, more intelligent and more attractive. For a detection mechanism, resources required for manufacturing and storing the test device can be saved, and operation steps of the test process are simplified. For an inspection unit, whether the performance meets the requirement or not can be known, and qualitative performance indexes of a product can be mastered.

A socket for the electrical part of the present invention has a socket body to be mounted on a circuit board and to accommodate the electrical part and a contact pin disposed in the socket body, through which the circuit board and the electrical part are electrically connected. The socket body comprises an accommodating surface portion to accommodate the electrical part. A height of the accommodating surface portion is an approximately the same height as that of another socket which is disposed next to the socket. And when a plurality of the sockets for the electrical part are disposed adjacently to each other, the electrical part can be mounted over a plurality of accommodating surface portions in such a manner as bridging the accommodating surface portions.

An object is to provide an optical measurement apparatus for performing an efficient test by optical measurement without incurring incorrect measurements.To this end, the measurement apparatus utilizes a test instrument mounted thereto and including a carrier with a reagent retaining portion for application of a sample. The measurement apparatus includes a reader for color development at the reagent retaining portion, and a controller for driving control of the reader and for required determination. The controller performs the determination by utilizing the data obtained by reading the color development of the reagent after a reaction completion period Tr1-Tr6 depending on the reagent and starting from the mounting of the test instrument. When detecting that the color development at the reagent retaining portion is completed before the lapse of the reaction completion period Tr1-Tr6 after the mounting of the test instrument, the controller stops the test for the test instrument.

The invention provides an environmental test chamber and a method for obtaining testing environment by using same. The environmental test chamber comprises an inner chamber, an outer chamber and an air treatment system; the inner chamber is nested inside the outer chamber; the air treatment system is selectively connected with one of the inner chamber and the outer chamber; when the air treatmentsystem is selected to be connected with the inner chamber, an air inlet of the air treatment system is connected with an air outlet of the inner chamber, and an air outlet of the air treatment systemis connected with an air inlet of the inner chamber; when the air treatment system is selected to be connected with the outer chamber, the air inlet of the air treatment system is connected with the air outlet of the outer chamber, and the air outlet of the air treatment system is connected with the air inlet of the outer chamber; and the inner chamber comprises a pollution source generating device and a sampling port. The environmental test chamber can well imitate polluted indoor environment and can conduct purification property test on air purifying equipment under uniform test conditions,thus providing conditions for effectively evaluating the purification effects of the air purifying products on pollutants.

The invention provides an intelligent door lock test circuit and an intelligent door lock test device. The intelligent door lock test circuit comprises a power supply conversion module, an electricaltest module, an emergency power supply test module and a normal power supply test module; the power supply conversion module is used for converting an input voltage into two output voltages, a first output voltage is used for providing a control voltage for the electrical test module, the emergency power supply test module and the normal power supply test module, and a second output voltage is used for performing test power supply, emergency power supply or normal power supply on a to-be-tested intelligent door lock; and the electrical test module, the emergency power supply test module and the normal power supply test module are respectively used for controlling on-off of test power supply, emergency power supply and normal power supply circuits of the to-be-tested intelligent door lock.The intelligent door lock test device comprises the intelligent door lock test circuit. The intelligent door lock test circuit and device provided by the invention can simply and efficiently realize an intelligent door lock performance test.

The invention relates to a performance test method for a power battery or a battery packet of a hybrid power vehicle. The method comprises: performing sampling of real-time speed of the hybrid power vehicle and current data of the battery of the hybrid power vehicle at equal intervals through a data acquisition system; respectively drafting change curves of the real-time speed and the current of the battery along with time; according to the change cure of the real-time speed along with time, selecting current data with a real-time speed of zero, which occupies a quite small proportion of acquisition time, and drafting a current probability density function graph; according to the current probability density function graph, screening data with "three-peak graph" characteristics for rapid Fourier transform so as to obtain a rapid Fourier transform graph; according to the peak value in the current probability density function graph, determining a test current and according to the peak value in the rapid Fourier transform graph, determining a charge and discharge conversion period in a test; and according to the test current and the charge and discharge conversion period, setting a test scheme for the power battery of the hybrid power vehicle, and carrying out performance testing on the hybrid power vehicle battery.

The invention provides a device for detecting a light source of an LED (Light-Emitting Diode) lamp tube. The device for detecting the light source of the LED lamp tube, provided by the invention, is used for fixing an LED lamp through fixing pins of the LED lamp, and distances among the pins of LED lamps with different shapes are same, so that the LED lamps with different shapes can be fixed through only fixing the pins of the LED lamps. Thus, an LED lamp clamp module has universality and can be used for fixing various LED lamps such as an LED lamp with a circular lamp cap, an LED lamp with an elliptic lamp cap and an LED lamp with a flat lamp cap. Meanwhile, two ends of a light filtering bar are fixed by a light filtering bar clamping module in the device so that light filtering bars with various shapes can be fixed. In addition, the device is compact in whole structure and small in occupied space. The device can be used for testing all performances of the LED lamp effectively through a hardware module arranged in a bottom box.