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254 results about "Testing types" patented technology

This is why the professionals have devised many different types of testing as well. Among the most commonly used of these types of testing include ad-hoc testing, acceptance testing, accessibility testing, alpha testing, agile testing, automated testing, beta testing, black box testing, and the many more.

RT-LAB based microgrid simulation testing system

The invention discloses an RT-LAB based microgrid simulation testing system. The system comprises an RT-LAB simulation system, a DSP physical system, a power amplifier, a microgrid physical simulation system and a microgrid monitoring system; the RT-LAB simulation system is used for building microgrid and distribution network simulation models and providing a real-time simulation environment; the DSP physical system is used for producing a control signal to a converter circuit built in the simulation system; the power amplifier is used for connecting the RT-LAB simulation system and the microgrid physical simulation system; the microgrid physical imitating system is used for forming a digital physical microgrid with the RT-LAB simulation system and accepting the monitoring and dispatching control of the monitoring system; the microgrid monitoring system is used for monitoring the DSP physical system, a microgrid digital simulating model and the physical simulation system. According to the system, the microgrid and distribution network simulating models are built on the RT-LAB, the microgrid physical simulation system is provided, so as to truly simulate the running states of a power system and the microgrid; the system has the advantages of real-time simulating, online parameter adjusting, and being rich in interfaces, rich in testing type, flexible to switch the testing mode, simple to operate, safe and reliable, efficient and economical.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI

Testing system and method for interference resistance of cab signaling equipment

The invention discloses a testing system and method for the interference resistance of cab signaling equipment, and belongs to the field of railway signaling. The testing system comprises upper computer control equipment and testing equipment, wherein the upper computer control equipment is used for automatically generating a testing sequence according to testing types selected by a user, calculating parameter values corresponding to the testing sequence, transmitting control commands to the testing equipment and judging the interference resistance of the tested cab signaling equipment according to received testing data, and the testing equipment is used for receiving the control commands transmitted by the upper computer control equipment, generating frequency mixing signals, outputting the frequency mixing signals to the tested cab signaling equipment, receiving the testing data returned by the tested cab signaling equipment and forwarding the testing data to the upper computer control equipment. By the testing system and method, the cab signaling equipment can be variously tested, the testing sequence can be automatically generated, the parameter values needed by testing are calculated, the cab signaling equipment is automatically tested, testing results and testing progress can be displayed in real time, the testing system is convenient to carry, and the testing operation process is simple.
Owner:BEIJING JIAODA SIGNAL TECH

Testing method and system for communication reliability of intelligent electric energy meters

ActiveCN102759724ARealize communication reliability testElectrical measurementsTesting typesReliability engineering
The embodiment of the invention provides a testing method and a testing system for the communication reliability of intelligent electric energy meters. The testing method is on the basis of the testing system for the communication reliability of the intelligent electric energy meters. The testing system comprises a testing host machine, a multi-serial-port card and the at least two intelligent electric energy meters, wherein the testing host machine is used for determining the testing types of communication reliability of the intelligent electric energy meters and transmitting communication frames which correspond to the testing types of communication reliability; the multi-serial-port card is used for distributing the communication frames corresponding to the testing types of communication reliability to the at least two intelligent electric energy meters; the at least two intelligent electric energy meters respond to the received communication frames; and the testing host machine is used for judging the communication reliability of the intelligent electric energy meters according to the response of the intelligent electric energy meters. The testing method realizes the reliability testing on the batched communication of the intelligent electric energy meters.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO MARKETING SERVICE CENT +1

Closed adjustable thrust gantry device

The invention relates to a parameter detection device for a track vehicle steering frame, in particular to a closed adjustable thrust gantry device. The device is designed against the status quo that the positioning of the steering frame and a vehicle body of the prior parameter test table of the steering frame is difficult during the testing process, the whole vehicle test can not be realized and the testing type of the steering frame is single and the like. The device mainly consists of a suspended upper cross beam assembly (I), a lower embedded cross beam (II) and a brace type thrust upright beam assembly (III). The suspended upper cross beam assembly (I), the lower embedded cross beam (II) and the brace type thrust upright beam assembly (III) are connected to a closed whole body by the bolt connection way. The device provides a technical means for positioning the steering frame, positioning the vehicle body and testing the whole vehicle for the steering frame of the track vehicle during the parameter testing process, has the functions of the swing-type steering frame test and the eccentric load test and realizes the purpose of having a plurality of test functions on one testing device. The device has an important role for accelerating the upgrade and replacement process of railway freight car products in China.
Owner:JILIN UNIV

Embedded software testing pile inserting method based on logic execution block

The invention discloses an embedded software testing pile inserting method based on a logic execution block. Firstly a tested program is pretreated according to different coverage testing types. Secondly a structure of the tested program is analyzed to obtain information of statement types, hierarchical relationships, nesting relationships and the like. The tested program is divided according to the information and a logic execution relationship, a probe function is respectively inserted in an inlet position and an outlet position of each logic execution block. The tested program after inserted a pile is operated, pile information is collected, and execution times of sentences of pile inserting point is stated. Finally execution times of the sentences in each section of a code is determined according to the statement types of the pile inserting point and the hierarchical relationships and the nesting relationships of the tested program. The method can clear up the hierarchical relationships and the nesting relationships of the program, and calculates various covering rates including statement covering, judgment covering, condition covering, judgment/condition covering and condition combination covering. The embedded software testing pile inserting method is based on code block pile inserting, greatly reduces expansion ratio after program pile inserting, and reduces influences of the Heisenberg effect on real-time testing.
Owner:陕西埃菲克能源科技有限公司

Method for testing strength of diamond polyamide warp knitting net sheet for net cage

The invention relates to a testing method for strength testing of nettings, in particular to the strength testing method for rhombus mesh polyamide warp knitting nettings used for net cages. The invention comprises a netting sample and a testing type and is characterized in that samples are gained at positions 10 meshes away from the edge of the netting; the effective working dimension of the sample is corresponding used for mesh strength test or netting breaking strength and breaking elongation test; the end of the cutting edge foot of the sample is melted; the dry sample is wetted for 12 hours and the wet sample is dipped for 12 hours; a clamp used for measuring the mesh strength is provided with a stainless steel hook or wire ring; tension force is pre-acted on the sample; the strength index is recorded and calculated by a recording device of the testing machine; the testing machine used for testing the netting breaking strength and the breaking elongation is provided with a flat clamp which is more than 10cm wide; the sample where the tension force is pre-acted is clamped into the clamp; the sample indexes of breaking strength and breaking elongation are recorded and calculated in the recording device of the testing machine; the effective measuring time of the test is not less than 20. The method of the invention is used for testing the strength performance of the warp knitting netting.
Owner:EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI

Testing device for measuring shearing strength parameter changes in solidifying process of soft clay

The invention relates to a testing device for measuring the shearing strength parameter changes in the solidifying process of soft clay and belongs to the technical field of soft clay analyzing devices. The testing device comprises a frame, a loading plate, miniature vane shearing instruments with a pore pressure testing function, a torsion meter, a sample chamber, a measuring unit and a lifting mechanism. The loading plate is arranged above the sample chamber, and the loading plate or the sample chamber is arranged on the frame through the lifting mechanism. The measuring unit comprises sensors used for collecting pore water pressure, soil pressure, displacement and other information. By means of the testing device, a shearing failure mechanism without volume change action or a shearing failure mechanism without pore pressure action can be independently studied, a shearing failure mechanism under volume change and pore pressure coupled action can be studied at the same time, and more testing types are achieved; shearing strength changes caused by soil body changes and pore pressure changes in the loading and solidifying process of soft clay can also be studied, and the changing rules of the shear strength parameters in the whole study process along with the solidifying process can be studied.
Owner:HOHAI UNIV

Spectroscopic method and device for quickly testing type II infrared superlattice interface quality

The invention discloses a spectroscopic method and a device for quickly testing type II infrared superlattice interface quality. The spectroscopic device comprises a Fourier transform infrared measuring system which has a function of step scan, a laser device which serves as a pump light source, a temperature-changing and magnetic-field-changing sample measuring system, a phrase lock amplifier which connects a detector and a circuit control panel in the Fourier transform infrared measuring system, and a wave chopper which is arranged between the temperature-changing and magnetic-field-changing sample measuring system and the laser device. With the spectroscopic device being used, the type II infrared superlattice interface quality is quickly tested through measuring the degree of attenuation of the photoluminescence intensity of type II infrared superlattices along a magnetic field. The test for infrared band In As / Ga Sb type II infrared superlattices of molecular beam epitaxy indicates that the spectroscopic method for quickly testing the type II infrared superlattice interface quality is an optical method capable of quickly and conveniently testing type II infrared superlattice interfaces. The spectroscopic method for quickly testing the type II infrared superlattice interface quality has the advantages of being lossless and sensitive, and is especially suitable for the detection of weak optical signals on the type II infrared superlattice interfaces.
Owner:SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI
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