634 results about "Combined test" patented technology

The invention discloses a partial discharge and breakdown combined test system and test method under wide temperature range and variable air pressure, which are suitable for evaluating the insulating properties of insulating materials, cables and power equipment under high and low temperature and different air pressure conditions. The system comprises a vacuum oven, a partial discharge and withstand voltage breakdown joint test module, an explosion-proof cable joint, a control module and a detection module, the vacuum oven can realize temperature regulation and control from-70 DEG C to + 200 DEG C and an air pressure environment of 10 <-3 > Pa, and the test module integrates a high voltage generator, a coaxial electrode and a partial discharge sensor. Partial discharge detection and breakdown voltage measurement can be completed in the same test environment. According to the test method, the electrical response characteristics of the insulating material under different working conditions are obtained through regulation and control of environment temperature and pressure, execution of a test process and data acquisition and analysis. The device is compact in structure and high in safety, and has the capabilities of joint testing, high-precision regulation and control and adaptability to complex environments.

The invention is suitable for the technical field of signal testing, and provides a high-speed serial signal testing method and system and semiconductor testing equipment, and the high-speed serial signal testing method comprises the steps: carrying out the time sequence adjustment of a testing signal through a phase-adjustable clock reference, actively introducing controllable jitter, and carrying out the jitter tolerance testing; a target test signal is sent to a receiving end through an emission driver, after a receiving signal is obtained, a target sampling time sequence is extracted based on clock recovery, a programmable receiving delay chain is controlled to carry out time scanning, and receiving data at multiple sampling moments are obtained; comparing each sampling data with the test signal, counting the bit error rate under each delay setting, and completing signal quality evaluation; the scheme has the advantages of modularization, high precision, low cost and the like, and the comprehensive test efficiency and reliability of the semiconductor test equipment on high-speed serial signals are improved.

The invention specifically discloses a method for evaluating the health state of a cigarette comprehensive test board, and the method comprises the steps: obtaining the fault type of the cigarette comprehensive test board, and carrying out the analysis of the fault type, so as to obtain the self degradation of equipment and the influence factors of the fault; carrying out fault influence factor analysis on influence factors of equipment degradation and faults, and carrying out numeralization on the influence factors; carrying out fault data acquisition and processing on the cigarette comprehensive test bench, structuring data of equipment faults, and further carrying out fault data expansion through a generative model GAN network; and a DNN deep neural network is constructed, training is performed by using the expanded fault data, and then fault probability evaluation is performed on the cigarette comprehensive test bench through the DNN deep neural network. According to the invention, the convenience and accuracy of health assessment of the cigarette comprehensive test board can be improved.

The invention discloses a combined sealing device frictional wear and external leakage test bed and a test method thereof, and aims to solve the problem that the existing device cannot accurately know the sealing wear. The test bench comprises a rack, a test piece, a stay wire sensor, an oil pipe and a hydraulic system, wherein an oil tank is arranged in the rack. The test piece comprises a test sealing assembly and a plunger, and the stay wire sensor is connected with a sealing combination structure. During testing, the hydraulic system drives the plunger and the sealing assembly to move relatively, the pull wire sensor measures displacement, friction force is calculated by combining pressure data to reflect abrasion, and the oil groove collects leaked oil. According to the invention, comprehensive testing of friction, wear and leakage is realized, sealing performance and wear rules under multiple working conditions can be analyzed, the structure is convenient to observe and operate, and optimization of the sealing structure is facilitated.

The invention discloses an electrical safety test data analysis method and system for an electrical cabinet, and relates to the technical field of electrical measurement and test. The method is used for solving the problems of single test dimension, poor anti-interference capability and inaccurate fault positioning in the safety test of the electrical cabinet. Firstly, multi-channel electrical parameter synchronous acquisition is triggered based on a working condition event, real discharge and interference signals are distinguished through time-frequency analysis, and a time sequence incidence matrix of discharge pulses and load currents is established; then, analyzing phase distribution characteristics of partial discharge, calculating a correlation coefficient between a discharge repetition rate and a load current, and dynamically adjusting a weight to generate an insulation state comprehensive test index; further, insulation degradation characteristics are extracted through signal decomposition, and an insulation degradation trend and a fault probability are predicted in combination with energy entropy analysis and discharge mode recognition; and finally, the position of a fault component is analyzed and positioned based on the impedance network, and a maintenance priority sequence is generated according to the fault probability and the degradation rate.

The invention relates to the technical field of aero-engines, and particularly provides a variable cycle engine duct experiment system and experiment method. A variable cycle engine duct experiment system comprises: a first combined experiment member comprising a main flow valve and a shunt ring; the second combined experiment piece comprises a first outer culvert, a second outer culvert and an ejector; the inlet of the variable capacitor second external culvert experiment piece is connected with the external culvert outlet of the shunt ring, and the outlet is connected with the second external culvert; an inlet of the first gas collection tank is communicated with an inner culvert outlet of the shunting ring; the bypass ratio adjusting valve is used for adjusting the bypass ratio at the shunting ring; an inlet of the second gas collection tank is connected with an outlet of the first gas collection tank through an inner culvert pressurization simulator, and an outlet is communicated with the first outer culvert; an inlet of the variable capacitor confluence duct experiment piece is communicated with the second outer duct; and the outer culvert throttle valve is connected with an outlet of the variable capacitor confluence culvert experiment piece. According to the technical scheme, engine duct experiments in multiple modes can be achieved, and the experiment efficiency is improved.

The invention relates to the technical field of generator test equipment, and particularly discloses a comprehensive test platform for a generator. The bearing assembly, the hoisting assembly and the testing instrument are installed on the vehicle body, the bearing assembly comprises two bearing arms and a driving mechanism, and weighing sensors are installed on the bearing arms and can be far away from and close to each other; the test instrument can obtain related test data based on weighing data fed back by the weighing sensor. The comprehensive test platform for the generator can move, can automatically complete loading and unloading of the diesel generator, does not need assistance of other equipment, and remarkably reduces the requirements for site conditions; data such as the whole machine weight, the fuel consumption rate and the operation stability can be measured, the test items are rich, and the functions are complete; and the transfer frequency in the comprehensive test process can be effectively reduced. After the test is completed, the diesel generator can be transferred and loaded to another test device, which is efficient and fast; and meanwhile, the method has the technical advantages of good applicability, easiness in implementation, relatively low cost and the like.

The invention relates to an in-cabinet condensation prediction method applied to a switch cabinet, and the method comprises the steps: building a geometric model of an actual switch cabinet, and importing the built geometric model into finite element simulation software; boundary conditions and material attributes of the geometric model are added into simulation software; wherein the boundary conditions comprise a solid and fluid heat transfer field reflecting condensation in the switch cabinet, a laminar flow field and a moisture conveying field in air; an interpolation function of temperature, air pressure and humidity changing along with time for 24 hours is set in simulation software, simulation calculation is carried out, the influence of multiple factors on condensation in the cabinet is evaluated, and the interaction effect is analyzed; the method comprises the following steps: dividing a plurality of factors into a high level and a low level for a combined test, analyzing test data to determine the significance and interaction of the factors, establishing an estimation regression equation for the factors and condensation in the cabinet, and predicting the condensation in the cabinet. Compared with the prior art, the method has the advantages that the condensation in the cabinet can be visually and accurately predicted, and the like.

The invention discloses a tensile bending and thermal stress combined test device and method, and belongs to the technical field of material testing, the device comprises a support frame, and the support frame is provided with a mechanical tensile device and a three-point bending device; the mechanical stretching device comprises a first sliding base, a second sliding base, a two-way threaded rod, a first clamping assembly and a second clamping assembly, and the middle of the first sliding base and the middle of the second sliding base are connected with the two-way threaded rod through threaded structures. The top ends of the first sliding base and the second sliding base are fixedly connected with a first clamping assembly and a second clamping assembly respectively, a sample is fixed between the first clamping assembly and the second clamping assembly, and the tensile force of the sample is detected by rotating a bidirectional threaded rod; the three-point bending device is arranged at the top of the supporting frame, and the bending force of the sample is detected through downward pressing of the three-point bending device. According to the invention, a stretching-bending-thermal stress combined aging test is carried out on a hot melt adhesive bonding sample under a set condition, and the performance of a hot melt adhesive layer under a long-term operation condition is tested.

The invention discloses a nonlinear aging acceleration test system and method for a perovskite solar cell, and the system comprises a data collection system and a nonlinear comprehensive test system. The data acquisition system is used for acquiring performance data of the perovskite solar cell and sending the performance data to the server, the data acquisition system is connected with the nonlinear comprehensive test system, and the nonlinear comprehensive test system simulates influences of different environments on cell aging and sends detection data to the server. The nonlinear comprehensive test system comprises a composite stress loading unit, an in-situ monitoring unit and an intelligent analysis unit. According to the invention, the problem of inaccurate prediction of the nonlinear aging behavior of the perovskite cell by a traditional test method is solved, the test period is shortened, the nonlinear comprehensive test system is adopted to simulate the light-humidity-heat synergistic effect of an actual outdoor environment, and the accuracy of aging test data is improved.

The invention relates to the technical field of electromagnetic environment simulation, in particular to a conducted disturbance and immunity comprehensive test system in a complex electromagnetic environment, which comprises a signal generation module, a holographic electromagnetic wave processing module, a conduction path simulation module, a monitoring and analysis module and a control and management module. Through AI dynamic optimization and a programmable metasurface technology, real-time regulation and control of phased array excitation weight and electromagnetic wave front are realized, through combination of digital twin pre-calculation and multi-physics field coupling modeling, spatial characteristics and interference propagation paths of a complex electromagnetic environment can be efficiently and accurately simulated, authenticity and reliability of testing are improved, and the method is suitable for large-scale popularization and application. A high-precision conduction path model can be constructed by utilizing a programmable impedance network and a modular configuration architecture in combination with a non-intrusive interference injection and data driving optimization technology, an electromagnetic conduction environment is vividly simulated, and a reliable environment basis is provided for testing.

The invention relates to the technical field of software testing, and discloses an agent-based multi-dimensional test sample automatic generation method and system.The agent-based multi-dimensional test sample automatic generation method comprises the steps that code changes are captured, interface definitions are extracted, and multi-source data are fused for consistency verification; constructing a multi-dimensional dependency graph and analyzing the change influence to obtain an associated interface list; generating a multi-dimensional test scene; performing parameter traceability and consistency derivation, and initializing test data and environment to obtain a complete test data set; generating a use case code, and performing hierarchical optimization and executable verification; test arrangement optimization and automatic execution are carried out, and faults are monitored and diagnosed in real time; carrying out multi-dimensional analysis and defect identification, dynamically evaluating the value of a test case and optimizing a test strategy to obtain a comprehensive test report; according to the invention, full-process automation of test case generation is realized, the test efficiency and quality are improved, and the test maintenance cost is reduced.

The invention relates to the field of electrical measurement and electronic test equipment, and discloses a charger test method and system. The method comprises the following steps: acquiring a parameter configuration set and a baseline condition, and generating a probe and interface configuration structure under a four-wire system measurement site, protocol abstraction card mapping and shunting and Hall channel combination condition; performing unified time reference binding and event labeling table initialization, locking a time base by a real-time clock of the microcontroller unit, broadcasting the time base to a channel and a controller, executing temperature rise constrained load arrangement and synchronous acquisition, and generating an acquisition preparation packet; and electrical transient and thermal feature extraction and electrical decoupling fusion are executed, and consistency judgment, threshold comparison and report generation are completed. According to the invention, by establishing a unified time base architecture of electricity and heat dual-domain synchronization, multi-channel consistent acquisition and real-time self-diagnosis are realized, the precision, traceability and automation level of a charger test process are improved, and the method is suitable for comprehensive test and evaluation of various types of electronic equipment.

The invention relates to the technical field of electromagnetic actuator state monitoring, in particular to an electromagnetic valve operation process stability and clamping stagnation detection combined test method, which comprises the following steps of S1, synchronously acquiring a coil current signal, a valve core displacement signal and an outlet pressure pulsation signal; s2, converting the current signal acquired in the S1 into an equivalent electromagnetic force waveform, a speed-acceleration trajectory and a pressure gradient curve; s3, extracting an electromagnetic force zero-crossing distortion rate, an inertia abrupt change point of a speed-acceleration trajectory and an oscillation attenuation coefficient of a pressure gradient curve; s4, calculating a time offset, and generating a primary clamping stagnation early warning; s5, obtaining a stability degradation index; and S6, when primary clamping stagnation early warning is triggered and the stability degradation index exceeds a dynamic threshold value, outputting a conclusion of a clamping stagnation-instability coupling fault. According to the method, high-precision and real-time identification of the clamping stagnation and stability deterioration faults of the electromagnetic valve is realized by fusing the multi-dimensional signal features and a double-criterion judgment mechanism.

The invention discloses a dual-channel control surface load simulation and comprehensive test system, relates to the technical field of aircraft tests, and solves the problems that an existing steering engine test system is small in measurement range and low in precision, the actual performance of a flight control steering engine cannot be comprehensively measured, and the load state of a wind tunnel control surface cannot be simulated. Through a wide-range independent electric loading mechanism and a small-range independent electric loading mechanism, under scheduling of a comprehensive control system, loads are output in a differentiated mode, data are collected in real time in combination with a torque sensor and a photoelectric encoder, closed-loop feedback is conducted after filtering is conducted through a signal conditioning module, dynamic load simulation is achieved, meanwhile, a double-closed-loop control strategy and a redundant torque compensation strategy are adopted, and dynamic load simulation is achieved. And interference is effectively suppressed. The method has a good application prospect in the field of aerospace craft steering engine dynamic performance testing.

The invention provides a high-parallelism test method of an optical comprehensive test platform, relates to the field of active optical testing, and aims to realize parallel testing of multiple tested objects or multiple test items through N independent test channels, avoid waiting time of traditional serial testing, and effectively improve manufacturing efficiency by combining the high-parallelism characteristic of the platform. Dynamic resource scheduling distributes tasks based on channel resource states monitored in real time, resource idling is avoided, the characteristic of high integration of a platform is matched, multiple modules share the platform, cost is effectively shared, the overall utilization rate of equipment is improved, modules such as optical power meters and variable optical attenuators integrated in all channels in a hardware architecture support hot plugging, and the overall performance of the equipment is improved. And the task analysis algorithm can flexibly map test items, adapt to requirements of different tested objects, conform to the advantages that the platform is matched as needed and easy to expand, can protect investment and adapt to dynamic changes of a test scene, and a distributed data acquisition mechanism synchronously acquires data of each channel and provides support for generating a reliable test report.

The utility model belongs to the field of multi-field coupling tests, and particularly relates to a pure bending stress simulation-sound load-vibration combined loading test device. The device comprises a high-sound-intensity traveling wave tube, a static force loading module, a vibration table and a test piece, and the high-sound-intensity traveling wave tube is provided with an opening for accommodating the test piece; the static force loading module is mounted on the vibration table and is used for performing static force loading on the test piece; one end of the test piece extends into the high-sound-intensity traveling wave tube from the opening, and the other end of the test piece is connected with the static force loading module. According to the pure bending stress simulation-sound load-vibration combined loading test device disclosed by the invention, a set of new test device capable of simultaneously simulating pure bending stress, strong noise and strong vibration load is designed based on a four-point bending static loading mode on the basis of a traditional multi-field coupling test device; finally, the pure bending stress simulation-sound load-vibration combined test of the thermal protection structure test piece is realized.

The invention discloses an SERDES verification method and device, and the method comprises the steps: obtaining a protocol type and a configuration mode supported by a to-be-tested SERDES, generating a first compiling simulation script according to the protocol type, and enabling the script to comprise the clock frequency, the data rate, the parameter configuration of a coding mode, the generation rule of simulation excitation, and a result output path; based on the test requirement and the protocol type, a test top layer file and a file list are determined, and the file list comprises paths of the to-be-tested design file and the test excitation file; calling a script, executing first compiling simulation, and generating a waveform file and a log file; switching to a second protocol type, updating the test top layer file and the file list, and generating a second compiling simulation script; executing secondary compiling simulation to generate a waveform file and a log file corresponding to the second protocol; the log file is analyzed, the bit error rate, the function coverage rate and the time sequence violation are counted, and a comprehensive test report is generated. The method can accelerate the verification speed and reduce the development time.

The invention discloses a new energy high-voltage direct current protection device comprehensive test platform, and relates to the technical field of new energy high-voltage direct current system core protection device test, and the platform comprises a power supply and energy storage module which is used for converting a 380V alternating current into a stable and adjustable direct current and storing the stable and adjustable direct current as an energy source required by a high-voltage large-current test, different test voltage requirements are met through series-parallel topology switching; and the power control and load simulation module is used for controlling on-off and adjustment of current in the test loop. By adopting the modular combination design of the super-capacitor energy storage unit, the adjustable pulse inductor and the load module, the comprehensive compatibility of high-voltage direct-current protection devices such as a relay and a fuse in various test scenes such as short circuit resistance, electric service life and limit on-off is realized, meanwhile, the system can work only by being powered by a conventional 380Vac laboratory, and the test efficiency is greatly improved. The method does not depend on an industrial high-voltage power grid or a special transformer, greatly reduces the equipment deployment threshold, and improves the test response efficiency.

The invention relates to the technical field of new energy battery testing, and discloses a new energy battery comprehensive test energy management system and method, and the system comprises a battery testing unit, an energy conversion unit, an energy storage unit, an intelligent control unit, and a data monitoring and analysis unit. The data monitoring and analyzing unit is connected with the battery testing unit, the energy conversion unit, the energy storage unit and the intelligent control unit and used for monitoring operation data of all the units in real time, analyzing the data and providing a basis for scheduling decision making of the intelligent control unit. According to the invention, recycling of redundant electric energy in a battery testing process is realized, energy waste is greatly reduced, testing cost is reduced, energy utilization efficiency is improved, and effectiveness of energy recycling is verified.

The invention relates to the technical field of wire harness aging test, in particular to a truck wire harness aging test method based on simulation of severe working conditions, which comprises the following steps of: 1, calibrating working condition mapping reference parameters, then detecting various parameters of a wire harness in sequence, and establishing a wire harness performance reference parameter library with reference values of the parameters; 2, placing the wire harness in an environmental chamber, and carrying out a 60-hour composite environment aging cycle test; 3, carrying out hierarchical failure determination after each cycle; 4, when at least one parameter reaches the failure standard, the aging life of the truck wire harness is converted according to the corresponding relation between the preset cycle index and the actual use time. According to the invention, severe working conditions can be accurately simulated: complex actual working conditions of a truck mining area and a construction site are comprehensively considered, and various environmental stresses are comprehensively simulated in an aging test. Compared with a traditional single or simply combined test environment, the performance change and potential problems of the wire harness in a real scene can be more effectively detected.

The invention belongs to the field of battery management systems, and particularly relates to a battery model off-line identification method based on time-frequency domain combination, which comprises the following steps: acquiring an impedance spectrum through EIS test, extracting omega max, and directly calculating R1 and C1; performing a short-time direct-current pulse test, applying a short-time constant-current pulse to the battery, and collecting voltage response data; taking the frequency domain parameter as a constraint, and fitting a large time parameter by using time domain data; and model verification: integrating parameters and verifying the dynamic response precision of the full time scale. Small time constants are accurately captured through frequency domain analysis, and large time parameters are optimized through time domain fitting, so that dynamic errors of the model are reduced; frequency domain rapid decoupling reduces the time domain test duration, and the comprehensive test time is shortened; high-frequency and high-precision time domain acquisition equipment is not needed, and only a conventional EIS instrument and a pulse testing device are needed; the method is suitable for electric vehicles, energy storage systems and other scenes with high requirements for real-time performance and precision.

The invention relates to the technical field of automation, in particular to an electronic element automatic tin soldering testing device which comprises a tin soldering unit and a testing unit, a material receiving and transferring mechanism is arranged between the tin soldering unit and the testing unit, and the tin soldering unit is used for tin soldering of an electronic element. After tin soldering is completed, the electronic components are transferred and conveyed to the testing unit through the material receiving and transferring mechanism, the testing unit comprises a voltage withstanding testing mechanism, a testing and transferring mechanism, an interlayer testing mechanism and a comprehensive testing mechanism, and the voltage withstanding testing mechanism is used for grabbing the electronic components from the material receiving and transferring mechanism and then positioning the electronic components to conduct voltage withstanding testing on the electronic components; and after completion, the test transfer mechanism sequentially transfers to the interlayer test mechanism and the comprehensive test mechanism for testing. According to the invention, the accuracy and integrity of the soldering tin quality and the electrical performance detection of the reactor are improved, the quality of the reactor leaving a factory is effectively guaranteed, and the subsequent fault risk caused by welding or performance defects is reduced.

A new energy automobile driving motor comprehensive test device disclosed by the present invention comprises a test bench and a sliding frame fixedly installed on the upper surface of the test bench, the sliding frame is slidably connected with a transmission mechanism, the transmission mechanism is in engaged connection with a turntable mechanism, and the upper end of the turntable mechanism is fixedly connected with a driving motor. One side of the driving motor is fixedly connected with a pulling mechanism through a mounting frame, the driving motor is connected with a connecting mechanism in an inserted mode through a motor output shaft, the transmission mechanism comprises a sliding table, a transmission rod fixedly installed on the lower surface of the sliding table through a fixing block and a screw connected with the interior of the transmission rod in a meshed mode, and a spiral groove is formed in the outer surface of the transmission rod. The inner wall of the spiral groove is slidably connected with a sliding block. According to the invention, the driving cylinder and the contact strip are combined for use, so that the connection of the driving motor and the dynamometer can be quickly positioned, and the complex step of manual repeated positioning is avoided, thereby achieving the effect of high testing efficiency.

The invention relates to the field of network communication, in particular to a test method and device based on a virtual test network, equipment and a medium. According to the embodiment of the invention, the pre-deployed virtual test network is called by acquiring the test instruction, and the historical test data is loaded in the virtual host, so that a foundation is laid for comprehensive test. Historical data are analyzed to obtain a test strategy, the virtual host is tested according to the strategy in the virtual network, original flow can be obtained, basic rate testing is covered, and key indexes such as delay and packet loss probability can be comprehensively captured through subsequent analysis. And the protocol analysis layer analyzes the original traffic to obtain service features, and further deeply mines network performance details. The network performance problem can be accurately found through abnormal detection of service features, the virtual network is optimized and adjusted based on the detection result, and the network performance can be improved in a targeted mode. The series of processes can meet the requirements of the SoC array server board card network performance comprehensive test in a complex network environment, and provide more comprehensive and accurate network performance evaluation.

The invention discloses a dynamic and static gravity center balance capability combined test method and system based on pattern recognition, and particularly relates to the technical field of behavior feature recognition. The method is used for solving the problem that in the prior art, the real balance capacity is misjudged due to a subject compensation strategy. The method comprises the following steps: acquiring mechanical and kinematic data of a subject under different sensory integration conditions through a pressure flat plate and an inertial sensor, extracting sensory integration characteristic parameters to quantify a dependency weight, calculating a complexity entropy value of a posture control strategy based on the characteristic parameters, analyzing a change curve of the characteristic parameters and the entropy value along with the increase of sensory integration condition challenge degrees, and calculating the posture control strategy. Identifying nonlinear instability characteristics, when the nonlinear instability characteristics are identified, comprehensively analyzing a characteristic parameter change mode and an entropy evolution rule in a change curve, identifying a compensation strategy mode based on sensory adaptability failure, and evaluating the real gravity center balance capability of the subject based on an identification result of the compensation strategy mode; therefore, accurate and reliable balance capability evaluation is realized.

The invention relates to the field of electric tool detection equipment, and discloses an electric tool switch batch durability and performance comprehensive test device which is used for comprehensively detecting the comprehensive performance of an electric tool after a switch durability test. The device comprises a protection frame body, an annular crawler-type detection conveyor belt arranged in the protection frame body and a switch batch test device. An electric tool installation area, a switch batch durability test area, a switch dustproof detection area and a current circulation detection area are sequentially formed on the detection conveying belt in the conveying direction of the detection conveying belt, and a complete test circulation system is formed. The core of the switch batch testing device is a pressing testing structure, and the pressing testing structure comprises a testing driving disc in sliding fit with the driving shaft, a pressing cam matched with the testing driving disc, and an embedding and separating control assembly. According to the device, continuous automatic testing of multiple performances of the electric tool is realized, the testing efficiency and accuracy are greatly improved, and an intelligent solution is provided for production quality control of the electric tool.

The invention discloses a dual-mode carrier module comprehensive performance application evaluation test system and a test method thereof, and a dual-mode communication simulation unit is used for accessing a to-be-tested dual-mode communication module in a shielding environment, and constructing a reconfigurable virtual communication network; the programmable interference injection unit is used for injecting configurable noise and interference signals into a specified communication link in the virtual communication network; the deepening application simulation unit is used for simulating physical topology and dynamic working conditions of a real power grid; the deepening application simulation unit at least comprises a multi-zone power supply simulation module, a working condition simulation control module and a hardware performance excitation module; and the central control and evaluation unit is used for configuring a test scene, automatically executing a combined test process, collecting and recording multi-dimensional data in a test process and carrying out association analysis and comprehensive evaluation. According to the invention, a simulation test platform with reconfigurable hardware, definable software and integrated test is constructed, and the depth and efficiency of test diagnosis are greatly improved.

The utility model belongs to the technical field of geological monitoring of constructional engineering, and provides a mounting assembly, a load-bearing underframe, a lifting mechanism and a limiting mechanism, the lifting mechanism and the limiting mechanism are arranged on the load-bearing underframe, the lifting mechanism is provided with a lifting end capable of moving in the vertical direction relative to the test ground, and the limiting mechanism is arranged on the load-bearing underframe. The device is applied to installation of the comprehensive testing device for pore water pressure and layered settlement of soft soil foundation engineering, the testing ends of the testing device can be installed on the testing ground through the lifting mechanism, meanwhile, splicing of the multiple testing ends can be achieved in cooperation with the limiting mechanism, and the whole operation is convenient and rapid.

The present invention discloses a method for simultaneously characterizing the mechanical properties and microstructure of a single granular body. This method is suitable for simultaneously characterizing the mechanical properties and microstructure of explosive granular bodies and other energetic material crystals or granular materials. The test process includes six steps: sample preparation, sample installation, parameter adjustment of a mechanical-optical microscope combined test system, mechanical-optical real-time monitoring testing, analysis of the granular body's compression performance and optical images, and simultaneous characterization of its mechanical properties and microstructure. A dedicated compression test fixture is designed, and an evaluation basis for the simultaneous characterization of mechanical properties and microstructure is proposed. The present invention monitors the deformation characteristics of a single granular body during compression. The test process is observable, and the test conditions are more scientific and reasonable, improving the accuracy of the characterization. The method is also simple to operate and requires less experimental personnel.