295 results about "Test preparation" patented technology

The invention discloses a vacuum cavity pressure maintaining test and leak rate rapid estimation method and system, and the method comprises the steps: achieving the test preparation of multiple sections through a public metering manifold and a multi-way isolation valve, and building a section volume database; the pressure and temperature data are synchronously collected in a fixed sampling period by exhausting air to preset pressure and isolating a pump end; obtaining an equivalent pressure change rate through temperature normalization and deflation baseline deduction in combination with filtering and regression algorithms, and performing conversion to obtain a standardized leak rate; step-by-step detection is carried out on each functional section of the cavity through a segmented bipartite isolation strategy and volume correction, and rapid positioning of a suspicious leakage section is realized; through double-threshold determination of an early warning threshold and an unqualified threshold, a detection report is automatically generated and written into a historical database, and a detection-determination-maintenance closed loop is formed. The method can improve the precision of leak rate detection, and is suitable for vacuum coating equipment, semiconductor process equipment and industrial vacuum treatment devices.

The invention relates to the technical field of chips, in particular to a chip regression test method based on to-be-tested design configurations, electronic equipment and a medium, and the method comprises the steps: automatically generating a test case corresponding to each to-be-tested design configuration through setting chip regression test starting parameters and pre-constructed test case reconstruction information; recording test case states of a regression test preparation process and an operation process which need to record historical information in a database, and optimizing each to-be-tested design configuration to allocate a corresponding resource configuration based on a user identifier, historical regression test information corresponding to a to-be-tested design identifier and a current machine load; and the chip regression test efficiency and accuracy are improved.

The invention discloses an FAKRA wire harness error code testing device and method, and relates to the technical field of error code testing. The method comprises the following steps of preparation before test, basic electrical test, limit plugging test, vibration test, stability test and test result analysis. According to the method, the initial bit error rate of the to-be-tested FAKRA wire harness is tested by using the bit error tester after the test equipment is calibrated, then the connectors at the two ends and the matched connector are subjected to the limit plugging test, then the vibration test is performed, and the simulation degree of the vibration test is evaluated, so that whether vibration simulation optimization is performed or not is determined; according to the method and the device, firstly, the fluctuation condition of the bit error rate is monitored in the test period, so that whether a clock optimization measure is taken or not is determined, finally, all test data are collected, the stability of the bit error test is ensured, and the problem that the bit error test accuracy is reduced due to the fact that the vibration test simulation degree is not high enough and the simulation quality is unstable in the prior art is solved.

The invention discloses a variable-shaft-diameter rolling bearing testing device and testing method, and aims to solve the problems that an existing rolling bearing testing device is difficult to adapt to bearings with different shaft diameter specifications, and a main shaft needs to be replaced frequently. The device is composed of a testing platform, a lead screw driving mechanism, an axial loading mechanism, an inner diameter variable mechanism, an outer diameter variable mechanism, a main shaft, a bearing seat mechanism, a main shaft coupler, a main shaft motor and a supporting frame. The inner diameter variable mechanism adapts to the inner diameters of different rolling bearings through a plurality of ring petals and a chuck structure, the outer diameter variable mechanism can adjust the outer diameter and the radial applied force in real time according to the outer diameter of the rolling bearing, the axial loading mechanism can apply a preset axial load to the bearing, and besides conventional constant axial force, the axial loading mechanism can also apply axial torque in different directions. The device can adapt to the testing of rolling bearings with various shaft diameter specifications without replacing the whole set of main shaft, effectively shortens the testing preparation time, and improves the testing efficiency. And the universality and the applicability are high.

The embodiment of the invention discloses a multi-channel test method, electronic equipment and a test system thereof, and the method comprises the steps: receiving first identification information obtained by scanning of scanning equipment, and selecting a corresponding test channel according to the first identification information; the test channel is provided with a to-be-tested circuit board in advance; receiving second identification information obtained by scanning the to-be-tested circuit board by the scanning equipment; sending a test instruction to the test equipment on the corresponding test channel to enable the test equipment to test the to-be-tested circuit board according to a pre-configured test item to generate test data; and obtaining test data, and storing the test data according to the second identification information. By means of the mode, multi-channel parallel test preparation can be achieved, the test efficiency is improved, the overall test time is shortened, and therefore the test cost and human resource investment are reduced; and cloud storage and tracing of test data can be realized.

According to the penetration test system and method for the vehicle-mounted controller, various types of communication interfaces and equipment interfaces are integrated in the industrial personal computer, so that the rigid requirements for communication configuration in various test scenes are met. Furthermore, through division of a bus security test module, a system security test module and a communication security test module, each module can independently construct connection with a target vehicle-mounted controller based on a Vector tool chain, an ADB / SSH, a wireless network card and a Bluetooth adapter, parallel execution of multiple test cases is supported, and the test cases do not interfere with one another; and synchronous promotion of safety tests such as bus diagnosis, system login, wireless communication and the like is realized. The upper computer serves as a control core and can automatically drive any module or multiple modules to work cooperatively according to the target test case, and test instructions are issued in a unified mode through the VT test system, so that the test preparation time and the execution period are greatly shortened, and the effect of improving the penetration test efficiency of the vehicle-mounted controller is achieved.

The invention relates to the technical field of pile foundation testing, in particular to a test pile load testing method and a loading structure, and the method comprises the following steps: testing preparation: establishing a real-time data acquisition link; graded loading: graded loading: collecting pile top settlement-time sequence data in real time at the load holding stage of the current load stage; self-adaptive load holding judgment: calculating a settlement convergence trend based on settlement data acquired in real time under the current load level; if the prediction model judges that the settlement is fully converged under the current load level, directly entering the next load level without waiting for the settlement rate to be reduced to a fixed threshold value; if the prediction shows that the settlement cannot be converged or tends to be damaged, triggering damage early warning and turning to a damage treatment flow; continuously detecting, namely repeating the step of graded loading and the step of self-adaptive load holding judgment until a preset maximum test load is reached or damage is triggered; and evaluation: evaluating the bearing capacity of the pile foundation. The test efficiency is improved, and the intelligent degree is improved.

The invention discloses a multi-attitude test platform for a quadruped robot, and relates to the technical field of intelligent robot testing, and the test platform comprises a main pedal, a lifting mechanism assembly, a driving mechanism assembly, a driven mechanism assembly and a pressure sensor assembly. A mounting hole is formed in the surface of the main pedal; the lifting mechanism assembly comprises a lead screw servo motor, a lead screw, a guide rail, a sliding plate, a transmission belt and the like. The lead screw servo motor drives the lead screw to be matched with the driven mechanism to achieve pitching motion of the main pedal. The driving mechanism assembly comprises a servo motor, a worm and gear reduction gearbox, a fixing shaft, a right lifting plate and the like. The servo motor drives the worm and gear reduction gearbox to achieve inclined rotation movement of a main pedal. The driven mechanism assembly comprises a guide rail, a sliding table, a driven shaft, a left lifting plate and the like. And the pressure sensor assembly comprises a small top plate, a spring and a pressure sensor and is arranged in the mounting hole. The test platform can simulate slope environments of different angles according to needs, is used for multi-posture static test of the tested quadruped robot, collects change parameter data of standing postures of the quadruped robot in the slope environments of different gradients through devices such as the pressure sensor and a built-in sensor of the robot, and performs multi-posture static test on the quadruped robot according to the change parameter data. Test preparation is made for optimizing and adjusting the standing posture of the quadruped robot in the later period, so that the stable performance of the robot is guaranteed, and the purpose of testing the multiple postures of the quadruped robot is achieved.

The invention discloses a hydraulic anchor and mooring equipment braking force test bracket and a using method thereof.The hydraulic anchor and mooring equipment braking force test bracket comprises an adapter plate, an oil cylinder, a pressure hose, a pressure gauge and a hand pump, one side of the adapter plate is detachably and fixedly connected with a baffle of a cable winding drum of an anchor and mooring equipment, and the other side of the adapter plate is hinged to the output end of the oil cylinder; the hand pump is communicated with a cylinder body of the oil cylinder through the pressure hose, and the pressure gauge is arranged on the pressure hose in series. The using method comprises the following steps: preparing before testing; the bracket main body is switched to a moving state; preliminarily positioning the bracket main body; the bracket main body is finally positioned and switched to a storage supporting state; completing the braking force test of the anchor and mooring equipment; the bracket main body is switched to the moving state again; and the bracket main body is hoisted and stored. When the bracket is used for testing, the switching of the walking mechanism is efficient and safe, the driving assembly is convenient to disassemble and assemble, the base is simple to fix, the operation difficulty of the test is reduced, and the test efficiency is improved.

The invention relates to the technical field of ice engineering measurement, and discloses an ice pool underwater special-shaped structure icebreaking load simulation test method comprising the following steps: test preparation: carrying out test preparation, and attaching a flexible pressure sensor array to the surface of an underwater test piece; data acquisition: synchronously acquiring data acquired by the flexible pressure sensor array in the icebreaking process; and data processing: reconstructing the data acquired by the flexible pressure sensor array by adopting a hybrid interpolation algorithm based on physical constraint and adaptive weight to obtain a simulated icebreaking evolution track. According to the method, the precision and reliability of ice load reconstruction are remarkably improved, and the method is particularly suitable for identification and analysis of local peak load on the surface of a special-shaped structure.

The invention relates to the technical field of air tightness detection, and discloses a wafer box air tightness detection method based on temperature change and gas concentration difference, the method is realized through a wafer box air tightness detection device, and the wafer box air tightness detection device is a closed chamber composed of a cavity, a cavity door and a wafer box support; in the aspect of detection accuracy, the gas replacement state and the leakage condition of the wafer box can be accurately judged through real-time monitoring of a monitoring sensor, a unique stability judgment and leakage analysis method and comparison of related parameter thresholds, and the misjudgment rate is effectively reduced; the temperature and the oxygen concentration are monitored at the same time, misjudgment caused by a single parameter is avoided, the detection process is efficient, the links of test preparation, gas replacement and the like are closely linked, original gas can be rapidly replaced by flow formed during gas replacement, and the gas tightness judgment basis is scientific and reasonable; only an electromagnetic valve switch needs to be controlled and sensor data acquisition and analysis are carried out, so that the technical threshold is reduced and the detection efficiency is greatly improved.

The invention discloses a part joint degree thermal resistance testing method based on natural convection cooling, and relates to the technical field of thermal resistance testing. The problems that in the prior art, testing time is long, efficiency is low, drying cost is increased, and production efficiency is reduced are solved. Through test preparation, real-time monitoring and control, temperature difference calculation and repeated test verification, the thermal conductivity and the processing quality of the joint surface of the component can be quickly judged, the production efficiency is effectively improved, the test cost is reduced, the test conditions are accurately controlled, the thermal steady state is quickly achieved, the test time is remarkably shortened, the test efficiency is improved, and the test cost is reduced. Meanwhile, the drying cost is reduced, the production efficiency is improved, the stability and the reliability of a test result are ensured through repeated testing and verification, the processing quality of a component joint surface can be accurately evaluated, whether the joint process is qualified or not is quantitatively evaluated by establishing a standard temperature difference threshold value, and the reliability of the test result is enhanced.

The invention relates to the technical field of material performance testing, and discloses a multi-parameter simulation salt spray environment test system and method, and the system comprises a multi-parameter cooperative control module, a bionic fog drop generation and salt spray adjustment module, an energy recovery and resource circulation module, a salt spray environment adaptive compensation module, and a test data intelligent analysis module. The modules are in closed-loop communication through an industrial Ethernet; the method comprises the steps of test preparation, model initialization, dynamic simulation and compensation, energy resource circulation and data processing ending, specifically, a salt mist concentration-temperature-humidity-wind speed coupling model is constructed, uniform salt mist is generated through bionic atomization and electrostatic adsorption, self-adaptive compensation is achieved in combination with partition sensing and corrosion current detection, and the salt mist concentration-temperature-humidity-wind speed coupling model is obtained. And heat is recovered, and condensate water and non-atomized saline water are recycled. The problems of multi-parameter coupling interference, resource waste and low data value in the prior art are solved, the simulation precision and the resource utilization rate are improved, and the method is suitable for multi-field material corrosion resistance testing.

The invention discloses a high-power turboprop engine preassembling device and a test run method, which are used for preassembling a high-power turboprop engine, and the high-power turboprop engine comprises an engine main body, a propeller and a test structure, the preassembling device comprises a preassembling frame used for supporting, a height adjusting structure arranged on the preassembling frame and an installing frame used for being detachably connected with the height adjusting structure, the preassembling frame is used for being installed in a test preparation room so as to preassemble the installing frame and the high-power turboprop engine, and the height adjusting structure is used for adjusting the vertical height of the installing frame when the installing frame is preassembled. The mounting rack is used for mounting the engine main body in a cantilever manner and mounting the propeller and the test structure on the engine main body after being connected with the height adjusting structure, and then hoisting the engine main body into a test room after being separated from the height adjusting structure; the preassembling requirement of the high-power turboprop engine is met, rapid reloading and preassembling of the high-power turboprop engine are achieved, and the utilization rate of a test bed is increased.

The embodiment of the invention provides an environmental simulation test system and test method for executing ultrasonic leak detection in a normal pressure environment, and the system comprises a vacuum container, an ultrasonic transmitting module, a sealing module, an ultrasonic detection module and a preset clamping object. The ultrasonic leak detection device can execute ultrasonic leak detection in a normal-pressure environment, can be used as a preventive maintenance means to detect whether leakage is caused by clamping objects at a sealing module (such as flange connection) of a vacuum container in a test preparation stage, namely the normal-pressure environment, so as to realize early discovery, early intervention and early elimination of vacuum leakage, and greatly shorten the detection time of vacuum detection required in the conventional technology.

The invention discloses a thermal control method and device for improving the performance of a lunar orbit laser corner reflector, and belongs to the technical field of space flight and aviation. The method comprises the following steps: in a non-test stage, analyzing illuminated and thermal environment data of the corner reflector in a lunar orbit, and designing heat dissipation and heat insulation measures, so that the corner reflector is in a low-temperature storage stage; in the test preparation stage, heating belts are started for preheating, temperature measurement data of all areas of the corner reflector are collected, and the duty ratio of all the heating belts is independently adjusted in combination with a novel PID temperature control algorithm and an external heat flow prediction model; in the test process, the heating belt is started, all areas of the corner reflector are monitored and adjusted in real time, and when temperature deviation occurs, the duty ratio of the heating belt is adjusted through a novel PID temperature control algorithm and an external heat flow prediction model; and after the test is completed, the corner reflector enters the low-temperature storage stage again. According to the invention, high precision and high reliability of the laser corner reflector on the lunar orbit can be ensured, and the success probability of laser ranging on the lunar orbit spacecraft corner reflector by the ground is improved.

The invention relates to the technical field of electronic device test, in particular to a high-frequency high-speed switch test system based on diversified fusion analysis, which comprises a diversified test center, a test execution unit, an acquisition response unit, a progressive test unit, an area positioning unit, a degree division and label acquisition unit and a test feedback unit, according to the method, preliminary analysis is performed from the perspective of test preconditions, interference of test preparation work of the high-frequency high-speed switch on subsequent tests is reduced, and the performance condition of the high-frequency high-speed switch is evaluated in an information progressive and comprehensive quantification mode so as to judge whether the performance of the high-frequency high-speed switch is abnormal or not. According to the method, multi-dimensional collaborative testing of electrical performance, thermal characteristics and environmental adaptability is achieved, so that the test coverage rate is increased, the reliability of performance test results is improved, analysis is carried out from the perspective of feature extraction, fault positions and fault types are judged, and a test feedback label of the whole high-frequency high-speed switch is obtained through fault comprehensive severity analysis.

The invention discloses an automatic software testing method based on behavior-driven development, belongs to the technical field of software testing, and remarkably reduces repeated work of manual coding by automatically generating a test script. Based on a test scene described by a natural language, the system directly converts a structured test model into an executable test code by utilizing a predefined template library and a dynamic code generation technology. For example, key actions and parameters are extracted from a user story written by a Gherkin language through an analyzer and mapped to a code template of a framework such as Selenium or JUnit, and scripts do not need to be written manually line by line. The hierarchical design of the test model further simplifies the script generation process, supports batch processing of multi-scene test tasks, greatly shortens the test preparation period, improves the overall test efficiency, is compatible with various programming languages and test frameworks, and can adapt to project requirements of different technology stacks.

The invention relates to the field of filters, and discloses positive and negative pressure general filter testing equipment and a testing method, and the equipment comprises the following modules: a pressure control module which is equipped with a positive and negative pressure bidirectional pressure pump, a positive and negative pressure collector and a master controller; the flow adjusting module comprises an intelligent flow adjusting valve and a positive and negative pressure collector; the test cavity module adopts a sealed pressure-resistant structure, and an adjustable airflow distribution device is arranged in the test cavity module; the data acquisition and analysis module is used for acquiring pressure, flow, filtering efficiency and resistance data in real time and generating a test report; all the modules are connected through standardized interfaces and can be combined and expanded. By adopting the positive and negative pressure integrated test process, the operation complexity is reduced, the operation error probability is reduced, the test preparation time is shortened, meanwhile, the idle and repeated operation time of equipment is shortened through the coherent test process, seamless transition from positive pressure test to negative pressure test and complex working condition simulation test can also be efficiently completed, the test quantity in unit time is increased, and the test efficiency is improved. The rapid detection requirement is met.

The invention provides a modular multi-stage soil mass disintegration real-time monitoring portable device, and relates to the field of soil mass disintegration monitoring, and the modular multi-stage soil mass disintegration real-time monitoring portable device comprises an upper frame tray, a lower soil sample fixing tray, a supporting member and a plurality of screening disc assemblies. A tension sensor and a camera are integrated, the change rate and morphological evolution of disintegration tension can be recorded in real time, compared with a traditional manual recording method, the automatic monitoring mode can remarkably shorten the test time, in addition, the capacity of supporting continuous monitoring and parallel development of multiple sets of tests further improves the output efficiency of the tests, and the test efficiency is improved. Meanwhile, the components such as the soil sample fixing disc and the screening disc which are magnetically connected can be replaced in a short time, so that the test preparation efficiency is greatly improved, the test process is accelerated, the requirements of different soil sample sizes and screen combination are better met, and the flexibility of the system is improved.

To provide an exam management device, an exam management system, an exam management program, and an exam management method that manage information sufficient to prove the process related to the exam and reduce the possibility of cheating by examinees, etc. [Solution] A test management device comprising: a setting processing means for registering and setting personal information and test-related information of examinees; a preparation processing means for performing processes related to test preparation in cooperation with a mobile terminal and an examination terminal; a monitoring processing means for performing processes related to monitoring examinees while being able to communicate with the examination terminal and a supervisor terminal during the test; and a log management means for linking logs related to the processes performed by the setting processing means, preparation processing means, and monitoring processing means to the examinee's identification information and registering them in a memory unit. After the test is completed, the log management means integrates multiple logs linked to the examinee to generate process proof data that shows the process related to the test.

The application provides a kind of double camera three-stage frog jump test method and system based on computer vision, belong to visual identification technical field. Including: build three-stage frog jump test site, by take-off line is divided into area for preparation area and long jump area, the preparation area and long jump area same side are equipped with one camera respectively;Image captured by camera is regionally calibrated and distortion corrected;Tester enters test area, starts test;Preparation area camera real-time acquisition test image, real-time judge whether there is take-off violation;Tester takes off, start long jump area camera, long jump area camera real-time acquisition test image, judge whether there is jump incoherence violation;Calculate the score of non-violation test, obtain the landing point after removing distortion and take-off line, the vertical distance between the corrected landing point and take-off line is the actual long jump distance. The application unifies the detection standard, reduces the consideration participation guarantee test accuracy and fairness.

The utility model relates to a testing support and ultrasonic testing device, the testing support comprises a support body, a piezoelectric sensor, a caulking piece, an elastic piece and a pressing device, the support body comprises a supporting plate, the supporting plate is provided with a first surface and a second surface which are oppositely arranged along a first direction, the support body is provided with a first surface and a second surface, the first surface is provided with a groove recessed towards the second surface, one end of the elastic piece is fixed on the bottom wall of the groove, the piezoelectric sensor is fixed on the other end of the elastic piece, and the gap filling piece is used for filling a gap between the piezoelectric sensor and the end face of one end, close to the support body, of a threaded piece to be detected. According to the test support, the piezoelectric sensor does not need to be pasted one day before the test, the test preparation time is saved, and the test efficiency is high.

The invention provides a cement mixing pile construction parameter optimization method based on rheological characteristics and numerical simulation. The cement mixing pile construction parameter optimization method comprises the following steps: S1, test preparation; s2, establishing a rheological model; s3, constructing a CFD (computational fluid dynamics) simulation model; s4, model motion control; s5, grid independence verification is carried out; s6, verifying the reliability of the model; s7, performing parameter optimization analysis; and S8, engineering application. Through a mode of combining indoor tests and CFD simulation, the construction parameters are systematically optimized, and the cement stirring uniformity and the engineering quality are improved.

The carelessness check system analyzes the nature of mistakes while attempting a primary test and subsequently providing a follow-up test. The method includes receiving the responses of the user by the response tracker while attempting a primary test. The evaluator then evaluates the incorrect responses of the user. Utilizing this information, the test preparation module prepares a follow-up test. The user then attempts the follow-up test and answers the questions. The careless detection module identifies the nature of response of the user given in the follow-up test such that answering two questions correctly in the follow-up test indicates carelessness and answering the first follow-up question indicates a conceptual misunderstanding.

A counter-force device for a static load test comprises an anchor pile, a main beam, a secondary beam and a jack. The anchor piles are arranged on two sides of the test pile; a steel cylinder is mounted at the top of the anchor pile; a connecting beam longitudinally penetrates through the steel cylinder; the secondary beams are mounted at the tops of the steel cylinders on two sides of the test pile; the secondary beams and the connecting beams are tied through first tying pieces arranged on the front side and the rear side of the steel cylinder. The jack is mounted at the top of the test pile; the main beam is arranged at the top of the jack, and the two ends of the main beam extend to the positions above the secondary beams on the two sides correspondingly. The main beam and the secondary beams on the two sides are tied through second tying pieces respectively. An adjustable lantern ring is mounted at the lower part of the test pile; displacement meters are arranged on the two sides of the adjustable lantern ring respectively; the displacement meter is supported on the ground and detachably connected with the adjustable lantern ring. The pile foundation static load test device solves the technical problems that a traditional pile foundation static load test device is long in test preparation time and high in cost, potential safety hazards exist, the requirement for a test site is high, the occupied area is large, and the test result is not accurate enough.

The invention relates to the technical field of motorcycle exhaust tests, and discloses a motorcycle exhaust catalyst test device which comprises a test board, a mounting column is arranged above the test board, rotating shafts are fixed to the two ends of the mounting column, the two rotating shafts are rotationally installed on the top face of the test board, a clamp is installed on the mounting column, and a positioning assembly is arranged at one end of the test board. One end of the test bench is provided with a pushing assembly used for driving the installation column to rotate, and the other end of the test bench is provided with a cooling assembly. The exhaust pipe after testing is actively cooled through the cooling assembly, gas generated by impeller driving in the testing process is stored through the gas storage structure, after testing is finished, high-pressure gas is sprayed out through the gas spraying holes of the gas spraying pipe through the control structure and directly acts on the high-temperature exhaust pipe, and the exhaust pipe can be taken down from the clamp as soon as possible through rapid cooling; therefore, the idle waiting time of the device is reduced, and the overall working efficiency and productivity are remarkably improved.

The invention discloses a method for testing and analyzing hybrid driving performance of an LNG dual-fuel power one-driving-two trailing suction dredger. The method comprises the following steps: preparing before testing; setting a plurality of types of test conditions in combination with the operation process of the trailing suction dredger; setting a power supply mode of the trailing suction dredger; the performance of the trailing suction dredger is tested in a fuel oil mode and a fuel gas mode of the trailing suction dredger; calculating fuel consumption per unit voyage and fuel consumption per unit power in the fuel oil mode and the fuel gas mode, and drawing a corresponding energy consumption curve; and determining an optimal working condition setting scheme of the trailing suction hopper dredger based on the unit voyage fuel consumption, the unit power fuel consumption and the corresponding energy consumption curve. According to the method, the operation process of the trailing suction dredger is combined, all possible operation working conditions are considered, testing is carried out under the fuel oil mode and the fuel gas mode, performance indexes of the trailing suction dredger under different actual working conditions are evaluated, and a quantitative basis can be provided for design optimization and scheduling strategy formulation of the LNG power engineering ship.

The application belongs to the field of trusted system testing, and discloses a kind of SIS trusted system booting trusted function test method and system, the application is by automatically constructing test environment and centralized configuration test case on automation test host, so that test process does not need manual setting device parameter one by one, avoid the problem of omission and inconsistency caused by manual configuration, improve the efficiency and accuracy of test preparation stage.In the application, the steps of automatically executing restart, modifying the verification object, restoring the file, etc. are performed by remotely connecting the device under test, which makes the process that originally requires manual repeated operation mechanized and repeatable, thereby reducing the risk of misoperation caused by manual intervention.In terms of trust measurement data collection, the trusted chain and measurement information are automatically sent to the test host after each start of the device under test, and the test host can obtain the complete measurement chain in a timely and systematic manner, avoiding the omission problem that may occur when manually comparing logs and PCR values.

The invention discloses a pantograph test auxiliary device, which belongs to the technical field of mechanical engineering and automation, and comprises a base, the top of the base is fixedly connected with a servo motor, the servo motor is in transmission connection with a lead screw through an internal rotating shaft, the side surface of the lead screw is engaged with a sliding rod, and the side surface of the sliding rod is rotationally connected with a power rod. One end of the driven rod is rotatably connected with a fixed block; one end of the driven rod and one end of the power rod are rotatably connected with supporting lugs; the tops of the supporting lugs are fixedly connected with a lifting platform; the top of the lifting platform is fixedly connected with a hollow rod; the side surface of the hollow rod is rotatably connected with a test rod through a rotating shaft, and the test rod is slidably connected with a slider and a balance block. Through the synergistic effect of the shear fork type lifting mechanism and the pulley, the linkage rapid unfolding and in-place of the device after the device enters the test station are realized, and the efficiency and the automation level of the test preparation stage are effectively improved.