Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

32results about How to "Implement performance testing" patented technology

Test method and device based on multi-module load box

PendingCN119439950AImplement performance testingProgramme controlElectric testing/monitoringSimulationTest status
The invention relates to the technical field of controller testing, and provides a testing method and device based on a multi-module load box. The method comprises the steps of determining a target test condition based on a target test instruction; determining a corresponding target load module, a test load state and a target test state corresponding to each target load module and a corresponding input excitation signal in all the load modules based on the target test working condition; setting the real-time load state of each target load module as a corresponding test load state; a corresponding input excitation signal is sent to the target load module so as to act on the to-be-tested equipment and enable the to-be-tested equipment to generate an excitation response result; acquiring a real-time response signal returned by the target load module based on the excitation response result; and performing test condition analysis according to all the input excitation signals and all the real-time response signals to obtain a test result of the to-be-tested equipment corresponding to the target test condition. According to the invention, the performance test of the to-be-tested equipment can be efficiently and comprehensively realized.
Owner:CHONGQING SELIS PHOENIX INTELLIGENT INNOVATION TECH CO LTD

Test circuit and device for integrated circuit chip

The invention provides a test circuit and device for an integrated circuit chip, and the device comprises a controller which outputs a level signal with variable amplitude and a test instruction, a DC / DC step-down circuit which is connected with the controller, outputs a voltage signal in a preset range based on a stable reference voltage and the level signal with variable amplitude, and is connected to the positive electrode of a power supply of the integrated circuit chip to be tested. The constant voltage reference circuit is connected with a power supply cathode of the integrated circuit chip to be tested, the power supply cathode of the integrated circuit chip to be tested is raised to a reference voltage, and the bidirectional level conversion circuit realizes communication between the controller and the integrated circuit chip to be tested; the test circuit outputs variable voltage through the controller and the DC / DC step-down circuit, the constant voltage reference circuit raises the cathode voltage of the integrated circuit chip, so that the input voltage of the integrated circuit chip to be tested is within the range of working voltage, and signal communication is realized through the bidirectional level conversion circuit, so that the performance test of the integrated circuit chip is realized. The size is small and use is flexible and convenient.
Owner:厦门四合微电子有限公司

3D printing resin bottle blowing mold structure

ActiveCN222290983Uachieve the appearanceImplement performance testingHollow articlesPolymer scienceRapid prototyping
The utility model provides a 3D printing resin bottle blowing mold structure which comprises two half bottle body molds and a bottle bottom mold which are formed through 3D printing, the two half bottle body molds and the bottle bottom mold are oppositely combined to form a bottle blowing mold, and a bottle blowing cavity is formed in the bottle blowing mold; the mold shell can enable the two half bottle body molds and the bottle bottom mold to be oppositely combined, and the mold shell is arranged on the circumferential outer side of the bottle blowing mold in a surrounding mode; wherein the mechanical strength of the mold shell is greater than that of the bottle blowing mold. According to the 3D printing tree bottle blowing mold structure, the strength defect of a resin mold can be overcome, rapid forming of a bottle blowing mold and a sample bottle is achieved, then appearance evaluation and performance testing of a plastic bottle are facilitated, and the development period of the PET plastic bottle is shortened.
Owner:INNER MONGOLIA YILI IND GROUP CO LTD

A large oil press proportional valve fault diagnosis device and method

The application discloses a large oil hydraulic machine proportional valve fault diagnosis device and method, and relates to the field of hydraulic component performance testing and fault diagnosis. The device comprises a hydraulic station, a proportional valve test platform and a PC terminal and a diagnosis model. The hydraulic station provides oil for the test system, the proportional valve test platform comprises a proportional valve test part and a loading part, and the two are connected in parallel with the hydraulic station through a common oil path and a stop valve. The PC terminal and the diagnosis model control the test bench hydraulic component through a PLC, and the test part is provided with a pressure sensor and a flow sensor. The application can realize static and dynamic performance testing of the proportional valve according to national standards, realize automatic detection by using PLC control, and improve test efficiency and safety. The diagnosis model adopts a BP neural network, takes feature parameters of pressure, flow and other multi-source signals after preprocessing as input, and outputs fault diagnosis results, effectively improving the accuracy and response speed of fault identification, and realizing accurate early warning of small faults of the proportional valve.
Owner:MAANSHAN MAGANG JINXI RAIL TRANSPORT EQUIP

Mobile communication terminal performance test system and method

The invention belongs to the technical field of terminal testing, and particularly relates to a mobile communication terminal performance testing system and method.The mobile communication terminal performance testing system comprises a testing control module, a terminal performance comprehensive testing module, a testing report generating module and a testing supervision module; according to the invention, the terminal performance comprehensive test module tests various performance items of the corresponding mobile communication terminal based on the test task, and the test report generation module automatically generates the performance test report of the corresponding mobile communication terminal based on the test results of various performance tests, so that the comprehensive performance test of the mobile communication terminal is realized. The production quality risk of the mobile communication terminal is gradually, progressively and reasonably analyzed and accurately evaluated through the risk capturing and early warning module, reason investigation and analysis are carried out in time, corresponding production optimization and improvement measures are taken, the subsequent product quality is remarkably improved, the management difficulty of management personnel is reduced, and the production efficiency and accuracy of the mobile communication terminal are improved. And the intelligent level and the automation level are high.
Owner:WUXI JUNXIN INTEGRATED CIRCUIT CO LTD

Ground test device for rotary steering instrument, and measuring method and control method of ground test device

The invention provides a rotary steering instrument ground test device and a measuring method and a control method thereof.The rotary steering instrument ground test device comprises a support, a first driving part, a rotary steering mechanism, a drill bit simulator and a steering angle measuring mechanism, the first driving part is arranged on the support, and the rotary steering mechanism comprises a shell and a mandrel; the first driving part is in driving connection with the shell, the output end of the mandrel extends towards the side away from the first driving part and is eccentrically arranged with the shell, the output end of the mandrel is connected with the drill bit simulator, and the guide angle measuring mechanism is arranged on the side, away from the first driving part, of the drill bit simulator. According to the ground test device for the rotary steering instrument, the drilling working condition of the instrument can be simulated under the condition of a test room, ground drilling is simulated, and the moving track of the mandrel and the steering angle of the mandrel are obtained through the steering angle measuring mechanism; the problem that drilling risks exist due to the fact that an effective ground testing device for simulating the drilling working condition is lacked in the prior art is solved.
Owner:DEZHOU UNITED GASOLINEEUM MACHINERY

Yaw system test method and device, electronic equipment and readable storage medium

ActiveCN119572432AImplement performance testingMachines/enginesWind motor monitoringBrake torqueInformation control
The invention provides a yaw system testing method and device, electronic equipment and a readable storage medium, and belongs to the technical field of wind turbine generator testing. The yaw system comprises a yaw braking mechanism and a yaw driving mechanism. The method comprises the steps that braking torque information of the yaw braking mechanism is obtained; according to the braking torque information, the theoretical driving torque of the yaw driving mechanism is determined; based on the braking torque information, a yaw braking mechanism is controlled to generate a corresponding target braking torque; after a first preset duration, the yaw driving mechanism is controlled to generate a corresponding theoretical driving torque; after a second preset duration, the variable quantity of the yaw angle of the yaw system is obtained; if the variable quantity is smaller than or equal to the preset threshold value, the yaw system is judged to be qualified; otherwise, the yaw system is judged to be unqualified, and an alarm is given. According to the invention, the performance test of the yaw system can be realized, and whether the operation of the yaw system meets the design requirements or not can be accurately verified.
Owner:GUODIAN UNITED POWER TECH

A test device that meets the requirements of R744 supercritical and subcritical valves

The present invention discloses a device for testing R744 supercritical and subcritical valves, and relates to the technical field of refrigeration system valve testing. The present invention includes a parallel compression component, a test component, and an auxiliary component. The test component is connected in series with the parallel compression component at the head and tail, and the auxiliary component is connected in series to the test component; the test component includes a condenser and a second air cooler, the oil separation refrigerant outlet is connected to the condenser and the second air cooler respectively through a three-way joint, the condenser refrigerant end outlet is connected to the liquid storage tank, and the liquid storage tank refrigerant end outlet is connected to the second air cooler inlet through a refrigerant pipeline; the second air cooler is sequentially connected to an oil heater, a valve under test, and a second evaporator through a refrigerant pipeline. The present invention ensures that the inlet and outlet flow directions of the valve under test are automatically switched without disassembling the valve under test, which is conducive to frequent switching tests in the positive and negative directions of the durability test, and can also realize the performance test of the valve under test without disassembling the valve under test.
Owner:CHINA NAT ELECTRIC APP RES INST

A refrigerant heat exchanger performance test system

ActiveCN111624017BImplement performance testingImprove practicalityStructural/machines measurementVALVE PORTPhysics
The invention relates to the technical field of heat exchanger performance testing, and discloses a refrigerant heat exchanger performance testing system, comprising an auxiliary compressor, an auxiliary condenser, a flow meter and a main circuit regulating valve connected in sequence, and also comprising a subcooler, a back pressure regulating valve, a first connecting pipe, a first valve, a second valve, a T1 measuring point, a T2 measuring point and a T3 measuring point, wherein the subcooler is arranged between the flow meter and the main circuit regulating valve; the back pressure regulating valve is connected to the air inlet of the auxiliary compressor; one end of the first connecting pipe is connected to a side of the subcooler close to the main circuit regulating valve, and the other end is connected to the T1 measuring point; the first valve is arranged on the first connecting pipe; the second valve is arranged on a connecting pipe connecting the subcooler and the main circuit regulating valve; the T2 measuring point is arranged on a side of the back pressure regulating valve away from the auxiliary compressor, the heat exchanger to be tested is connected to the T1 measuring point and the T2 measuring point, and the T3 measuring point is arranged at an end of the subcooler away from the flow meter.
Owner:SHANGHAI SATAKE COOL-HEAT & CONTROL TECH CO LTD

Performance testing and screening method for computing chip

The invention provides a performance testing and screening method for a computing chip. The method comprises the steps that a reference chip and a chip to be tested are connected into a loop through an HSIO interface, and the loop is used for achieving data communication between the reference chip and the chip to be tested; the reference chip and the to-be-tested chip operate corresponding performance test software according to a performance test instruction sent by the remote computer to respectively obtain performance parameters of the reference chip and the to-be-tested chip, and the performance parameters are uploaded to the remote computer; and the remote computer determines whether the to-be-tested chip is a qualified chip or not by comparing the performance parameters of the reference chip and the to-be-tested chip, and rejects the unqualified to-be-tested chip. According to the invention, the to-be-tested chips are screened based on comparison of the performance parameters of the reference chip and the to-be-tested chips, so that the screening precision can be improved; one reference chip is connected with a plurality of chips to be tested at the same time, so that the speed of performance parameter measurement and chip screening of the chips to be tested can be obviously improved.
Owner:SHANGHAI SILANG WANWEI COMPUTING TECH CO LTD

Full dynamic pressure type air refrigeration system test system

ActiveCN224163378UImplement performance testingImplement variable working condition performance testingStructural/machines measurementControl engineeringBleed air
The utility model discloses a full dynamic pressure type air refrigeration system test system, which belongs to the technical field of air refrigeration test systems and comprises a rack, a centrifugal compressor and a turbo expander are arranged on the rack, and the exhaust end of the centrifugal compressor is communicated with the air inlet end of the turbo expander through a first connecting pipeline. The first connecting pipeline is provided with a pressure regulating valve, the air inlet end of the centrifugal compressor is provided with a compressor air inlet pipeline, and the exhaust end of the turbo expander is detachably connected with a turbo expander exhaust pipeline; first pressure detection elements and first temperature detection elements are arranged on the compressor air inlet pipeline and the first connecting pipeline close to the exhaust end of the centrifugal compressor, and second pressure detection elements and second temperature detection elements are arranged on the turbo expander exhaust pipeline and the first connecting pipeline close to the air inlet end of the turbo expander. According to the utility model, the matching performance test of the all-dynamic-pressure centrifugal compressor and the all-dynamic-pressure turbo-expander in different combinations can be realized; and matching performance tests under different working conditions can be carried out.
Owner:QICHENG SUSPENSION TECHNOLOGY (NANTONG) CO LTD

Performance test system for ultra-high pressure hydraulic pump

The application provides a performance test system for an ultrahigh-pressure hydraulic pump, a first test device adopts a loading valve group, a reserved valve group and an intelligent press, so that the ultrahigh-pressure hydraulic pump can be tested under various loads, the test result is more in line with actual working conditions, a press rodless cavity control valve group and an auxiliary control valve group are adopted to realize control and rapid retraction of the intelligent press, the auxiliary control valve group is used as a control system of an ultrahigh-pressure element, and the reliability and service life of the test system are increased. A second test device adopts an ultrahigh-pressure test oil circuit and a large-flow test oil circuit, so that the test system tests the ultrahigh-pressure pump and the large-flow pump, oil temperature sensors and oil pressure sensors are arranged in an oil observation circuit, an oil supplement circuit, a system oil circuit and an oil return circuit to comprehensively detect oil characteristics during operation of the test system, and an oil discharge circuit is arranged, so that the test system is quickly unloaded when a problem occurs during operation, and the safety of the system is enhanced.
Owner:YANSHAN UNIV

An explosion-proof chiller for testing new energy battery packs

This utility model discloses an explosion-proof chiller for testing new energy battery packs, relating to the field of battery pack testing technology. It includes an explosion-proof chiller body; a cylinder is fixedly connected to the inner wall of the bottom end of the explosion-proof chiller body; a test plate is fixedly connected to the top of the cylinder; a battery body is mounted on the top of the test plate; a connection socket is fixedly connected to the side end of the battery body; the battery body is placed on the test plate, and the cylinder raises the test plate and then suddenly lowers it, causing the battery body to fall onto the test plate after being suspended in mid-air, creating a bumping effect, thereby testing the battery body's anti-bumping effect. After the battery body is on the test plate, an impact ball rotates and impacts the battery body through an impact groove. A rotating cylinder causes the impact ball to rotate and impact the bottom of the battery body, generating vibration, which can test the vibration test effect of the battery body. This significantly improves the practicality and guiding significance of the test results, and helps improve the performance and safety of the battery body under complex working conditions.
Owner:SENYINGYUAN MASCH EQUIP (SUZHOU) CO LTD

Automatic testing device of fluid control device

The utility model provides an automatic testing device for a fluid control device, which comprises a testing platform, a sealing element, a fluid supply pipeline, a lifting mechanism and a testing mechanism, and is characterized in that the testing platform is provided with a mounting base, and the fluid control device is mounted on the mounting base and is communicated with the mounting base to realize positioning so as to ensure the accuracy and reliability of automatic testing; the lifting mechanism is used for controlling the fluid supply pipeline to move between a first position and a second position relative to the test platform, the fluid supply pipeline is communicated with the fluid control device at the first position and is hermetically connected with the fluid control device through a sealing element, and the fluid supply pipeline is far away from the fluid control device at the second position; and the testing mechanism is used for testing the fluid output by the mounting base so as to test the performance of the fluid control device. According to the automatic testing device, automatic testing of the fluid control device can be achieved, the problem that an existing manual testing process is tedious is effectively solved, the labor cost and the error rate are reduced, and the testing efficiency and the testing precision are improved.
Owner:GUIZHOU LIYANG EQUIP TECH DEV

A performance test fixture and performance test system

ActiveCN224286352UImplement performance testing
This application relates to a performance testing fixture and a performance testing system for performing performance testing on an electric push rod. The performance testing fixture includes a control unit and multiple test units arranged in parallel; each test unit includes a push rod fixing device and a tension measuring device; the push rod fixing device is used to fix the electric push rod, and the tension measuring device is used to connect to the electric push rod and measure its tension value; the control unit is used to electrically connect to the electric push rod and control its telescopic movement, and to electrically connect to the tension measuring device and perform performance testing on the electric push rod based on its tension value. In the embodiments of this application, by controlling the telescopic movement of the electric push rod and performing performance testing based on the tension value during the telescopic movement, automatic performance testing of the electric push rod in a dishwasher is achieved.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

Digital-twin-based distributed system performance dynamic simulation test method and platform

The application discloses a distributed system performance dynamic simulation test method and platform based on digital twinning, relates to the technical field of digital twinning, and solves the problem of one-sidedness of distributed system performance test, and comprises the following steps: acquiring each physical node in the distributed system, identifying active nodes in the physical nodes, and collecting node static data of the active nodes; setting corresponding virtual nodes according to the node static data of the active nodes, and constructing a virtual twin system of the distributed system based on the virtual nodes and digital twinning technology; collecting node dynamic information of the active nodes in a monitoring period, and constructing a simulation test environment of the virtual twin system according to the node dynamic information; and performing performance test on the virtual twin system based on the simulation test environment, taking the performance test result of the virtual twin system as the performance test result of the distributed system. The application realizes comprehensive test on the performance of the distributed system by performing performance test on the virtual twin system of the distributed system.
Owner:GUOTING INFORMATION TECHNOLOGY (BEIJING) CO LTD

Optical element performance test system and method based on ultralow-temperature high-vacuum coupling

PendingCN121855832AImplement performance testingAchieve stress field separationTesting optical propertiesVacuum pumpingHigh reflectivity
The invention relates to an optical element testing system, in particular to an optical element performance testing system and method based on ultralow-temperature high-vacuum coupling, and aims to solve the problem that an existing testing system cannot test the performance of an optical element while simulating an ultralow-temperature and ultrahigh-vacuum sequential coupling environment. Precision testing equipment is protected, and all-parameter and multi-attitude stable and accurate testing of the optical element is achieved. The system comprises a testing container and a tested container which are communicated with each other, and a high-reflectivity one-way film evaporation container is arranged in the testing container and used for slowing down temperature and pressure sudden change during vacuumizing so as to protect internal testing equipment; a contact type optical element clamping cold box is arranged in the tested container, is connected with the optical element through a flexible cold chain, and is matched with a liquid nitrogen / gas nitrogen system to realize proportional temperature regulation. The device can safely and truly simulate the extreme environment of a spaceflight deep space, and achieves the stable and accurate testing of all parameters and multiple attitudes of the optical element.
Owner:XIAN INST OF OPTICS & PRECISION MECHANICS CHINESE ACAD OF SCI

Performance test tool and method for gas vane aerodynamic force test system

ActiveCN119666388AImplement performance testingAvoid affecting the progress of R&DGas-turbine engine testingJet-propulsion engine testingClassical mechanicsStructural engineering
The invention provides a performance test tool of a gas vane aerodynamic force test system, the gas vane aerodynamic force test system comprises a plurality of test structures, each test structure comprises a strain balance, a support rotating shaft and a servo mechanism which are connected in sequence, and the performance test tool comprises a plurality of loading devices used for being connected with the strain balance, the loading devices are connected with the strain balances through loading switching devices, the loading switching devices are connected with the ends, away from the support rotating shaft, of the strain balances, the loading devices and the strain balances are arranged in a one-to-one correspondence mode, the loading devices apply acting force to the strain balances through the loading switching devices, and the loading devices are connected with the loading switching devices through the loading switching devices. Therefore, the performance of the gas vane aerodynamic force test system is tested. The gas vane aerodynamic force testing device is applied to the gas vane aerodynamic force testing system through the loading switching device so as to simulate the scene of the gas vane aerodynamic force testing system in testing the gas vane aerodynamic force, and performance testing of the gas vane aerodynamic force testing system is achieved.
Owner:CASIC DEFENSE TECH RES & TEST CENT

Semiconductor Refrigeration Chip Test Equipment

The embodiment of the present invention provides a semiconductor refrigeration chip test tool, which relates to the field of semiconductor refrigeration technology. The semiconductor refrigeration chip test tool includes a positioning frame, a limit module, a heating module and a heat dissipation module. The limit module is set on the positioning frame, and then the heating module is set on the limit module, and then the heat dissipation module is detachably connected to the positioning frame, wherein the refrigeration chip is placed on the heating module, and the heat dissipation module is used to press the refrigeration chip, and the refrigeration chip, the heating module and the limit module are pressed together, thereby achieving the fixation of the refrigeration chip. When the refrigeration chip needs to be removed or replaced, only the heat dissipation module needs to be removed to expose the refrigeration chip, and both installation and removal are very convenient. Compared with the prior art, the present invention can realize the performance test of the semiconductor refrigeration chip, and can conveniently disassemble and assemble the refrigeration chip, and the test takes a short time and has good accuracy.
Owner:SUZHOU OUFUAN ELECTRONIC TECHNOLOGY CO LTD

A thermal-mechanical coupling test system and method for flexible large deformation structures

The present invention relates to a testing system and method for a thermal coupling test of a flexible large deformation structure, and belongs to the field of static load test. A loading adjustment mechanism combining adaptive and active methods is adopted to realize the problem of dynamic following of loading offset during the thermal coupling test, and effectively solves the problem that the traditional test method cannot follow the deformation of the test piece and has large test errors in large deformation structure tests. At the same time, the present invention has a large deformation, high-precision, and universal flexible structure thermal coupling test method, which can solve the problem of thermal coupling test of flexible large deformation structures in the fields of aerospace, heavy machinery, and major engineering, and can realize high-precision thermal coupling loading and performance testing of thermal coupling tests of flexible large deformation structures. The present invention can effectively realize precise thermal coupling performance testing of large flexible large deformation structures.
Owner:BEIJING SATELLITE MFG FACTORY

Dynamic pressure distribution device for tire to pass through curb at low speed and control method of dynamic pressure distribution device

InactiveCN119198132AImplement performance testingImprove test efficiencyVehicle tyre testingLow speedSimulation
The invention relates to the technical field of tire performance testing, in particular to a tire low-speed curb dynamic pressure distribution device and a control method thereof. Comprising the following steps: fixing a to-be-tested tire to an adjusting unit, and setting working parameters of the adjusting unit according to a detection plan; obtaining performance test data of a to-be-tested tire and operation parameters of an adjusting unit; setting a correction parameter of the performance test data according to the operation parameter of the adjusting unit, and generating a performance evaluation value according to a correction result; according to the dynamic pressure distribution device for the tire to pass through the curb at the low speed, a square obstacle structure is used for simulating a curb structure, a sensing module is additionally arranged on the square obstacle structure to collect dynamic pressure distribution test data of the tire, and meanwhile, an adjusting unit is additionally arranged to provide a load in the vertical direction for the tire to be tested; and the to-be-tested tire is provided with the heeling and lateral deviation functions, so that the performance test of the low-speed curb of the tire is realized, and the test efficiency is improved.
Owner:SHANDONG LINGLONG TIRE CO LTD

Integrated hydraulic power source for hydraulic system test of heading machine

ActiveCN119508313Areliable supplyImplement performance testingFluid-pressure actuator testingServomotor componentsElectric machineryControl valves
The invention belongs to the technical field of hydraulic power sources, and particularly relates to an integrated hydraulic power source for a hydraulic system test of a heading machine. Comprising a loading oil source module, the loading oil source module comprises five sets of oil pumping assemblies connected in parallel, and three sets of oil pumping assemblies are used for pumping oil in an oil tank to a first working oil port, a second working oil port and a third working oil port respectively; the other two groups of oil pumping assemblies are used for pumping oil in the oil tank to the first plate cooler and the second plate cooler respectively; the tested system oil source module comprises a variable frequency motor, a rotating speed and torque sensor, a bearing box and a tested pump mounting mechanism which are sequentially arranged, and a tested system pump is mounted on the tested pump mounting mechanism; the control valve module is used for controlling the loading oil source module to supply oil to the tested system oil source module and the loading system; the tested system oil source module, the control valve module and the loading system enable oil to flow back to the oil tank through an oil return pipeline.
Owner:TAIYUAN INST OF CHINA COAL TECH & ENG GROUP +1

Laser action time measuring device and method capable of adapting to multiple scenes

ActiveCN119555344ARealize measurementImplement performance testingTesting optical propertiesLight signalTiming system
The laser action time measuring device comprises a target plate, a cut-off plate, laser detection modules and a master control timing system, the target plate and the cut-off plate are arranged on a light path of laser equipment, the laser detection modules are arranged in front of the target plate and the cut-off plate respectively, light signals are converted into electric signals after being sensed, and the electric signals are sent to the master control timing system. And the data is transmitted to the main control timing system in a wired or wireless manner, and the main control timing system analyzes and processes the transmitted data, records the corresponding action time and calculates the action time of the laser acting on each target plate. The laser detection module and the master control timing system are used in cooperation to measure time data, and multi-scene and multi-stage performance testing is achieved. Data processing and sending are carried out on detected optical signals, and transmission of data related to the laser signal effect of the equipment is achieved. And the main control timing system loads and processes information sent by each laser detection module, so that the action time can be accurately measured, and the performance of the equipment can be verified.
Owner:STATE OWNED HONGLIN MASCH FACTORY

Kinematics parameter calibration method and system for industrial robot based on parameter separation and multi-objective optimization

The application discloses a kind of industrial robot kinematics parameter calibration method and system based on parameter separation and multi-objective optimization, belongs to industrial robot technical field, by linear-nonlinear parameter separation, introduce multi-objective minimax optimization, effectively handle the non-homogeneity problem of pose information, realize the fast, robust, high-precision robot kinematics parameter identification and compensation.Calibration method includes:1, acquisition robot end in multiple measurement poses under position information;2, the kinematics model of robot is established, and the parameter to be identified is divided into linear set and nonlinear set, to reconstruct separable optimization problem;3, based on the position information collected, construct the multi-objective minimax optimization problem with the optimization worst performance index as the target, by iteration solving linear set and nonlinear set, complete the identification of kinematics parameter;4, the optimal kinematics parameter identified finally is compensated to robot controller, and the kinematics model is updated.
Owner:ZHOUSHAN INST OF CALIBRATION & TESTING FOR QUALITY & TECHNICAL SUPERVISION +1

New energy electric vehicle motor safety dynamometer

The utility model provides a new energy electric vehicle motor safety dynamometer which is characterized by comprising a motor fixing device which can fix a new energy electric vehicle motor to be tested, and the new energy electric vehicle motor to be tested is connected with a test system through a flange; the motor fixing device is fixedly arranged on one side of the rack base; one end of each damping device is connected with the other side of the rack base, the other end of each damping device is fixedly connected with the outside, and the damping devices are used for reducing vibration generated when the new energy electric vehicle motor safety dynamometer works. Performance testing can be carried out on a driving motor, a controller and the like, and the rotating speed, the torque, the temperature and the like of the motor can be accurately measured and controlled.
Owner:TIANJIN VOCATIONAL & TECHNICAL COLLEGE OF MECHANICAL & ELECTRICAL ENG

A testing device for a high-pressure oil pump

PendingCN122688129AImproves sealing reliabilityImplement performance testing
The application discloses a kind of test device of high-pressure oil pump, comprising: test system, test system includes servo motor, servo motor can drive high-pressure oil pump high-speed rotation, sealing mechanism is arranged between servo motor and high-pressure oil pump, sealing mechanism includes three-stage sealing assembly, three-stage sealing assembly can gradually increase pressure loss, the front end of high-pressure oil pump is sealed;Oil circuit system, oil circuit system includes multiple groups of conveying oil circuit, conveying oil circuit is connected with the first pump port or the second pump port of high-pressure oil pump, multiple groups of conveying oil circuit are all provided with check valve, by adjusting check valve, the oil inlet and oil outlet state of the first pump port and the second pump port of high-pressure oil pump can be switched, the performance test under the working condition of high-pressure oil pump forward rotation and reverse rotation is realized. By the cooperation design of sealing assembly, conveying oil circuit and check valve, the sealing property and operating stability of the high-pressure oil pump test device of the present application are improved, and the performance test of high-pressure oil pump under the actual working condition of simulating high speed and high pressure can be realized.
Owner:SUZHOU JIEAOTE PRECISION MASCH CO LTD

Manually-operated movable servo valve performance test system and test method

The invention belongs to the field of servo valve testing, and particularly relates to a manually-operated movable servo valve performance testing system and testing method. The test system comprises a basic performance test unit and a voltage-withstanding performance test unit. The basic performance test unit is used for testing flow performance parameters, pressure performance parameters and internal sealing performance parameters of the electro-hydraulic servo valve; testing of flow performance parameters, pressure performance parameters and internal sealing performance parameters is achieved through different opening and closing combinations of the high-pressure needle valves in the testing units, the flow parameters and the pressure parameters are obtained through the flow meters and the pressure sensors in the units and transmitted to the tester, and then the tester reflects the flow parameters and the pressure parameters in a curve mode through the recorder. Compared with traditional servo valve debugging, a fixed test bench does not need to be built, a test instrument is connected and fixed to the movable test bench through a pipeline and connected with the oil pump through a pipe thread oil port, movable testing is facilitated, an existing pump source can be effectively utilized, the test condition construction cost is greatly reduced, and convenience and simplicity are achieved due to manual operation.
Owner:AVIC NANJING SERVO CONTROL SYST CO LTD

A comprehensive performance test device for a seawater desalination turbine energy recovery integrated machine

The invention discloses a comprehensive performance test device for a seawater desalination turbine type energy recovery integrated machine, which belongs to the technical field of fluid device testing, and comprises a water tank, a water inlet pipeline, a water outlet pipeline, and an auxiliary pipeline. The water inlet pipeline and the water outlet pipeline are connected to the water tank, and the turbine type integrated machine comprises a pump end and a turbine end. A speed torque sensor and a speed torque meter are installed between the pump end and the turbine end. The water inlet pipeline is connected to the water inlet of the pump end, and the water outlet pipeline is connected to the water outlet of the turbine end. The auxiliary pipeline is composed of a main pipeline and branch pipelines a, b, and c. A valve, a filter, a flow meter a, a pressure gauge a, a high pressure pump, a pressure gauge b, and a regulating valve a are arranged on the water inlet pipeline, a pressure gauge e is arranged on the water outlet pipeline, and a regulating valve c and a flow meter c are arranged in sequence on the main pipeline. The invention has clear principles, reliable technology, and strong feasibility, and can realize the comprehensive performance test of the turbine type integrated machine.
Owner:TIANJIN SEA WATER DESALINATION & COMPLEX UTILIZATION INST STATE OCEANOGRAPHI +1