55results about How to "Many test items" patented technology

The invention discloses a comprehensive test method of a small satellite power subsystem. In the method, a solar cell array is replaced by a solar matrix simulator; a ground wired test and control platform of a satellite comprehensive test system is used to transmit wired instructions and collect important parameters; and ground test and control equipment, a remote measurement and control front end and a test computer are used to transmit remote control instructions and collect remote test data. After the satellite is electrified, the on operation time, off operation time and remote control command transmission time of the solar matrix simulator are reasonably controlled, the working state of a power subsystem is set, various parameters and states are monitored and interpreted, and thus, various test items are accomplished. In addition, a method of injecting normal or fault data blocks and program blocks is adopted to test the up injection function, reliability and fault tolerance are tested. The method has high test coverage, clear and definite flow, simple and reliable operation and convenient construction.

The invention discloses a self-service evaluation system of organism physiological statuses, solving the problem that the discrimination of all-terrain uniform standard suspected cases cannot be realized in the prior art by aiming at the prevention and control of novel transmitted diseases. The self-service evaluation system comprises more than one user terminal device and a remote control center, wherein the user terminal devices comprise data processing and controlling units, first input units, first output units, first transmission units, expense settlement units, data detection units and user identification units, wherein the first input units, the first output units, the first transmission units, the expense settlement units, the data detection units and the user identification units are all connected with the data processing and controlling units, and the first transmission units are connected with the remote control center. The invention also provides an evaluation method of the system. According to the evaluation system and the evaluation method, an all-terrain uniform suspected case discrimination standard can be provided for 24 hours a day, and when an epidemic situation occurs, the quick screening of suspected cases can be realized so as to reduce the epidemic situation spread risk; and users can be guided to finish medical detection and evaluation by selves so as to know the body health conditions at any time and prevent and treat diseases, and the medical cost is reduced.

The invention discloses an automated test method and system for an intelligent router. The automated test method comprises the steps that the intelligent router downloads test resources from a server and reads and records various state parameter values in real time, wherein the test resources include a test page, a test file and a test resource description file; an automated test device is connected with the intelligent router through wifi and reads initial test strength, a test page list and a test file download list from the test resource description file of the intelligent router, wherein the test strength is the quantity of opened test threads, the test threads in the quantity corresponding to the initial test strength are opened, and all the test threads are in charge of performing circular access, and download or upload operation on all the pages in the test page list or all the files in the test file download list. The automated test method and system for the intelligent router belong to the field of the network communication technology. By means of the automated test method and system, automated test can be performed on page access speed, file download or upload speed, stability under pressure and the like of the intelligent router.

The invention discloses a comprehensive testing system for dynamic property of a harmonic speed reducer. A motor bracket, a harmonic speed reducer bracket, a bearing seat bracket, a brake bracket, a first sensor bracket and a second sensor bracket are mounted on one side of the upper end of a bottom plate; a servo motor and an accelerator are mounted at the upper end part of the motor bracket; a first torque sensor is mounted at the upper end part of the first sensor bracket; a middle connecting shaft is mounted at the upper end part of the bearing seat bracket through a support bearing seat; a second torque sensor is mounted at the upper end part of the second sensor bracket; a magnetic powder brake is mounted at the upper end part of the brake bracket; the power output shaft of the accelerator is connected with the input shaft of the first torque sensor; the output shaft of the first torque sensor is connected with an input connecting shaft of a harmonic speed reducer component; the output connecting shaft of the harmonic speed reducer component is connected with the input shaft of the second torque sensor through the middle connecting shaft; the output shaft of the second torque sensor is connected with the magnetic powder brake. The comprehensive testing system has the advantages of being novel in structural design, high in testing precision, rich in testing items and good in universality.

The invention relates to a full-automatic testing system applicable to a solid hard disc and a method of the full-automatic testing system. The full-automatic testing system comprises a terminal control system, a plurality of testing devices and a plurality of testing bases, wherein the testing devices are arranged with the testing bases in a one-to-one correspondence manner; the testing devices are connected with the testing bases through data wires; each testing device is an independent device; and all testing devices are in data communication with the terminal control system and are used for testing whether a tested product is qualified or not through automatic analysis. The full-automatic testing system has functions of full-automatic testing, analysis and testing result output, and the production efficiency is greatly improved.

The invention provides an automobile generator testing system. The automobile generator testing system comprises a computer, a conditioning circuit, a temperature control box, a load box, a generator driving unit and a sensor transformation unit. The computer is connected with the conditioning unit, the temperature control box, the load box and the generator driving unit. The conditioning circuit is connected with the load box, the generator driving unit and the sensor transformation unit. The generator driving unit comprises a variable frequency motor, a braking circuit and a frequency converter. The variable frequency motor, the braking circuit and the frequency converter are sequentially connected. The frequency converter is connected with the computer and the conditioning circuit. Speed control over an automobile generator by the computer includes open-loop control and closed-loop control. The automobile generator testing system is simple in structure, large in comprehensive testing item number, high in interference resistant capacity, wide in temperature range, good in data processing, good in accuracy, easy to operate and high in working efficiency.

The invention discloses a multi-parameter rapid measuring and controlling device for an ultrasonic motor and a measuring and controlling method thereof. The device comprises an electric cylinder 1, anannular sleeve 3, a pressure sensor 4, a temperature collecting device 5, an ultrasonic motor 6, a rotary shaft 8, a torque sensor 9, an angle encoder 11, a coupling 12, a torque motor 14, a DC servodriver 15, a base 16, an AC servo driver 17, a driving acquisition circuit 18, a high frequency measurement and control module 19, a measurement and control processor 20 and the like. Therefore, sixparameters including the amplitudes, frequencies, phase differences, precompression values, and load torques and the like of two-phase excitation voltages can be changed in real time during the testing process; and thirteen parameters including the output shaft angular velocity, the angular position, the stator interface temperature and the axial compressive force and the like of the ultrasonic motor can be measured and calculated simultaneously. With the provided multi-parameter rapid measuring and controlling device, the comprehensive and rapid testing demand of the ultrasonic motor can be satisfied; and the multi-parameter rapid measuring and controlling device have advantages of multiple detection parameters, high precision of measurement and control, high test efficiency and high degree of automation.

The invention discloses a hollow fiber membrane holding device and a membrane performance testing device, relating to the technical field of measurement, and aiming at solving the technical problems in the prior art that the using range is narrow, and the test item is single. The hollow fiber membrane holding device comprises a base, a test liquid channel, and at least two membrane holding holes formed in the base, wherein the test liquid channel and each membrane holding hole penetrate through the base, and are communicated with each other. The membrane performance testing device comprise a test liquid supply device, a measuring device, a channel control valve, a liquid outlet control valve and the fiber membrane holding device, wherein the measuring device is capable of measuring the volume and/or weight of liquid flowing out of the membrane holding holes; the liquid outlet control valve is capable of controlling a liquid outlet or a liquid outlet channel to be connected or not. According to the invention, the using range of the fiber membrane performance testing device can be widened, and the testing items are increased.

The invention discloses a method for testing performance of a mold pressing premixed material. The method comprises the following steps of: testing the mold pressing premixed material through the procedures of heating and heat retaining at different temperature sections by a thermal weight loss instrument particularly; reading the decreased amount of quality of the material at each stage respectively from a tested thermal weight loss analysis curve; comparing the decreased amount of the quality of the material at each stage with the quality of a sample, thereby obtaining volatile matters, resin content and fiber content; and finally calculating the cure degree of the material according to data of the volatile matters and the resin content obtained by a chemical method of soaking dissoluble resin on the mold pressing premixed material by acetone. The method provided by the invention makes up the defects of the conventional test method for testing the performance of the mold pressing premixed material, improves test items, guarantees the reliability of a mold pressing product as a main heat insulation material of a spaceflight solid rocket engine, provides accurate performance parameter basis for the production of the mold pressing product, improves production efficiency, lowers production costs, and guarantees the smooth operation of a lot production task.

The embodiment of the invention discloses a radar identification characteristic testing system. The system can comprise a to-be-tested object platform, a radar platform and a remote control platform, wherein the to-be-tested object platform is used for adjusting the height, the rotation angle and the first motion parameter of a to-be-tested object of the to-be-tested object platform, receiving the first motion parameter from the remote control platform, and feeding back a real-time motion parameter of the to-be-tested object platform to the remote control platform; and the radar platform is used for adjusting the height, the direction and a second motion parameter of a radar in the radar platform, receiving the second motion parameter from the remote control platform, and feeding back the real-time motion parameter of the radar platform to the remote control platform. According to the invention, the to-be-tested radar can carry out identification characteristic testing on each angle of the to-be-tested object, and the testing efficiency is effectively improved; and an upper computer of the remote control platform pre-inputs the motion tracks of the object to be tested and the radar to be tested so as to realize automatic testing.

The invention relates to a line protection automatic test system based on a real-time digital simulation system. The line protection automatic test system is used for automatically testing a line protection device and comprises an RTDS fault waveform simulation module and an MATLAB fault waveform analysis module; the RTDS fault waveform simulation module executes different script programs according to different test types, traverses a plurality of fault types, carries out fault waveform simulation and generates a fault waveform file in a fixed format; the MATLAB fault waveform analysis modulereads curve data and a name of the fault waveform file, compares waveform change information and waveform name information, judges whether a protection action is correct and outputs a test result; data transmission of the fault waveform file is implemented between the RTDS fault waveform simulation module and the MATLAB fault waveform analysis module by an interface of a TCP/IP communication protocol; and compared to the prior art, the line protection automatic test system disclosed by the invention has the advantages of high efficiency, good applicability, convenience for use and the like.

The invention provides a water pump integrated measurement and control platform. The water pump integrated measurement and control platform comprises a supporting platform, a portal transverse frame, an electric control cabinet, a water tank, a self-priming pump measurement and control loop, a centrifugal pump measurement and control loop, a flowmeter multiplexing pipeline and a liquid level simulation module; the self-priming pump measurement and control loop includes a self-priming type centrifugal pump, a self-priming pump controller, a self-priming pump state switching three-way ball valve, a self-priming water incoming pipeline, an inlet change-over pipeline, an outlet change-over pipeline, a self-priming water outgoing pipeline, a self-priming loop electromagnetic valve, a manual start and stop singe-way ball valve, a leakage simulation single-way ball valve and a three-way joint; and the centrifugal pump measurement and control loop includes a water pump controller, a vertical type centrifugal pump, a centrifugal water incoming pipeline, a centrifugal water outgoing pipeline, a pressure gauge, a centrifugal pump state switching three-way ball valve and a centrifugal loop three-way ball valve. With the water pump integrated measurement and control platform of the invention adopted, tests of various modes of the self-priming type centrifugal pump and the controller thereof as well as the vertical type centrifugal pump and the controller thereof can be carried out simultaneously. The water pump integrated measurement and control platform has the advantages of high test efficiency, diversified test items and accurate test results.

The invention discloses a calibration table body for a full-inspection receiving test of a high-voltage transformer, and the calibration table body comprises an aluminum profile frame and a transformer calibration station body. A mutual inductor verification station body is composed of a mutual inductor conveying unit, a withstand voltage test station, a voltage transformer induction withstand voltage and error test station, a current error test station and a functional module, and the mutual inductor verification station body is installed below an aluminum profile frame. The calibration tablebody is compatible with various mutual inductors, and manufacturers are different due to different transformation ratios of different mutual inductors. The appearance sizes of the mutual inductors are various, the table body can carry out adaptive wiring on the mutual inductors according to the mutual inductors with different sizes, so that the calibration requirements of the different mutual inductors are met, multiple test items can be carried out, the device can carry out all items of full-inspection test calibration on the high-voltage voltage and current mutual inductors after arrival ofgoods, and the mutual inductor calibration efficiency is high. The calibration table body is suitable for calibrating the high-voltage transformer.

Provided in the invention is a method for screening and measuring 54 kinds of pesticide residues in onion, ginger and garlic by gas chromatography-tandem mass spectrometry. The invention relates to amethod for screening and measuring 54 kinds of pesticide residues in onion, ginger and garlic. Therefore, a problem that pre treatment of the sample becomes difficult in the existing pesticide residuescreening and measuring because the ground substances of the onion, ginger and garlic are complicated and contain lots of interfering substances is solved. A DPX spearhead type dispersed solid phasemicro-extraction column is established and the residual amounts of 54 kinds of pesticides in green onion, ginger and garlic are measured by combining GC-MS/MS. The DPX method has a good purification effect and a few of operation steps; and no interference is caused on the detection result by the ground substances. The method having advantages of many test items, simplenness and rapidness, high accuracy and flux is suitable for screening and detecting the pesticides in the onion, ginger and garlic. The method is applied to the field of pesticide detection.

The invention relates to an inverter function test system and a test method. The inverter product is connected to the product inlet J through a wire. Under normal conditions, the charging data of the 120VAC battery B2 to be charged and the data Charging data, 120VAC fully charged battery B1 charging data, 277VAC fully charged battery B1 charging data, inverter discharge voltage meter VAC2, inverter discharge frequency table Hz measured 120VAC no-load inverter data, battery charging current meter IDC1, Inverter discharge voltmeter VAC2, inverter discharge frequency meter Hz, inverter lamp load ammeter IAC2 measured 120VAC full-load inverter data, battery charging current meter IDC1, inverter discharge voltmeter VAC2, inverter discharge frequency meter Hz, inverter lamp The load ammeter IAC2 measures the 277VAC full-load inverter data, records them in the test table and compares them with the standard data, and then transfers the product to the next process. The test items are complete, and the parameters are stable, clear and accurate.

The invention provides a comprehensive performance testing device of a large-torque servo motor driving and loading type reducer. The comprehensive performance testing device comprises a motion motor,an input terminal torque and rotation speed sensor, an output terminal torque and rotation speed sensor, a two-stage speed reducer and a loading servo motor. An output shaft of the motion motor is connected with one end of the input terminal torque and rotation speed sensor; the other end of the input terminal torque and rotation speed sensor is connected with an input shaft of a to-be-tested reducer; an output shaft of the to-be-tested reducer is connected with one end of the output terminal torque and rotation speed sensor; the other end of the output terminal torque and rotation speed sensor is connected with an output shaft of the two-stage speed reducer by a clutch; and the input terminal of the two-stage speed reducer is connected with an output shaft of a loading servo motor.

The invention discloses an automatic parking high-precision evaluation method based on wavelet transform denoising, and the method needs to install a set of high-performance integrated navigation system on a tested vehicle to collect and evaluate the required vehicle motion parameters, and also needs to measure the vehicle size, the parking space size and other basic parameter information. In addition, for measuring yaw velocity and lateral acceleration data with large noise, a wavelet transform denoising method is adopted to improve the measurement precision. Quantitative evaluation is performed on the completion degree and process stability of automatic parking, including the included angle between the longitudinal axis of the vehicle and the inner side line of the parking space, the distance between the front end and the rear end of the side edge of the vehicle and the parking side line when parking is completed, and the distance between the tail of the vehicle and the rear parking space line. The method is irrelevant to the implementation principle and technology of automatic parking, evaluation is carried out from the perspective of a third party, and the evaluation result is accurate and reliable.

The invention provides a fuel cell hydrogen energy automobile network automation test system which comprises a test cabinet, an upper computer and an automobile rack, and is characterized in that thetest cabinet comprises a power supply module, a simulation module, an acquisition module, an execution module and an interface module; the automobile rack comprises a main rack body and a supporting table. The automobile rack is connected with the test cabinet through a wire harness. The test cabinet is connected with the upper computer through a USB. According to the invention, the test items aremany, the data processing is fast, the test data is accurate, the automation degree is high, the labor intensity of test personnel can be effectively reduced, the working efficiency is improved, errors caused by manual operation are avoided, and the defects of a manual bench test are overcome.