42results about How to "Fully tested" patented technology

The invention discloses an automatic detection device for a semiconductor wafer, relates to the field of semiconductor wafers, and solves the problem that an existing detection device is difficult to detect the continuous flatness of the wafer, the automatic detection device comprises a device shell and a detection host, the outer side of the detection host is provided with a detection disc, and the surface of the detection disc is provided with a plurality of wafer detection cavities; a wafer positioning ring is arranged on the inner side of the wafer detection cavity, two first mounting racks are mounted at the top of the detection host, and flatness detectors are mounted on the outer sides of the first mounting racks; the turnover mechanism is used for automatically turning over the wafer in the wafer positioning ring, and the turnover mechanism is mounted on the inner side of the detection disc; according to the invention, through the turnover mechanism, the first flatness detector detects the flatness of the top of the wafer, and in the rotation process of the detection disc, the wafer positioning ring is rotated by a half circle, and the second flatness detector can detect the bottom of the wafer, so that the effects of continuous detection and double-sided detection are achieved.

The invention, which relates to the technical field of air tightness detection, discloses an aero-engine case air tightness detection apparatus comprising a detection liquid pool, a support block, a positioning ring and a displacement multidirectional detection mechanism. Wherein the displacement multidirectional detection mechanism comprises a plurality of spacer blocks, a sealing chassis, a rotating disc, a rotating shaft, a sleeving shaft plate, a concave sleeve plate, an electric cylinder, a push rod and a driving switching detection mechanism. According to the invention, through the displacement multidirectional detection mechanism, airtightness detection is carried out on the outer wall, the top edge position and the bottom edge position of the aero-engine case, airtightness detection of different contact positions can be carried out through rotation of the aero-engine case, the detection area is wider, and full detection is realized. Therefore, the problems that airtightness detection of different contact positions is difficult to perform through rotation of the aero-engine casing, the detection effect is poor, and sufficient detection is difficult are solved.

The utility model discloses a storage tank on-line real-time protection system which comprises a PLC control unit, a weather early warning system, a nitrogen making unit and a gas detection part, the output end of the weather early warning system and the output end of the gas detection part are electrically connected with the input end of the PLC control unit, the output end of the PLC control unit is electrically connected with the input end of the nitrogen making unit, and the output end of the PLC control unit is electrically connected with the input end of the nitrogen making unit. The output end of the nitrogen generation unit is electrically connected with the input end of the gas detection part; the gas detection part comprises a tank area, a plurality of storage tank pipe walls are arranged on the outer wall of one side of the tank area, a secondary sealing scraper is arranged on the outer wall of one side of each storage tank pipe wall, and a sensor connector is arranged on the outer wall of one side of each secondary sealing scraper.

The present application relates to a kind of slurry shield slurry chamber pressure control experimental system and method, slurry shield slurry chamber pressure control experimental system physical execution layer includes air cushion chamber, pressure maintaining system and circulation system, pressure maintaining system is used to adjust air cushion chamber pressure, and circulation system is adjusted by adjusting slurry amount, slurry amount adjustment air cushion chamber liquid level;Upper computer monitoring layer includes virtual slurry chamber module and slurry chamber pressure control module, virtual slurry chamber module simulates the change of virtual slurry chamber pressure, and slurry chamber pressure control module is used to carry the slurry chamber pressure control algorithm to be tested.The present application constructs experimental system by "real and virtual combination", avoids the cost and safety risk existing in field experiment, guarantees that a large number of, sufficient, even destructive algorithm test can be safely carried out under the condition of limited laboratory;It can solve the technical problems that new type control algorithm with slurry chamber pressure as direct control target lacks sufficient, reliable test verification platform.

The utility model relates to the technical field of door and window detection, and particularly discloses a building door and window sealing waterproof performance detection device, which comprises a detection box, the detection box comprises a bottom box and a top box, the top box comprises an outer box and an inner box, the inner side of the outer box is provided with a mounting frame, and the outer box is internally and rotatably provided with the mounting frame. Two limiting blocks are fixedly mounted at the side end part of the mounting frame, and a sensor assembly is fixedly mounted at the side end part of the mounting frame; wherein the sensor assembly comprises a humidity sensor and a water sensor, the position of the sensor assembly is located on one side, and the limiting block and the inner side wall of the outer box are fixed through bolts. According to the utility model, the height of the nozzle of the building door and window sealing waterproof performance detection equipment is designed to be adjustable, so that the nozzle can be adjusted according to actual conditions in the door and window waterproof performance detection process, each area can be ensured to be fully detected, and the possibility of false detection and missing detection is reduced.

The present invention is directed to the technical field of conveying devices, and mainly mentions a food loading mechanism with a sorting function. It comprises a support frame 1, the support frame 1 is rotatably connected to a symmetrically distributed electric pulley 1, a conveyor belt 1 is wound between the symmetrically distributed electric pulleys 1, the support frame 1 is provided with a support frame 2, the support frame 2 is rotatably connected to a symmetrically distributed electric pulley 2, a conveyor belt 2 is wound between the symmetrically distributed electric pulleys 2, the support frame 1 is installed with a symmetrically distributed electric push rod 1, the telescopic end of the electric push rod 1 is rotatably connected to a rotating rod 1, and the rotating rod 1 is fixedly connected to a suction cup through a plate. The present invention transports apples by suction of the suction cup to complete the loading operation, and protects the appearance of the apples to prevent the appearance of the apples from being damaged during the transportation process, resulting in a decrease in the rating of the apples, and sorts the apples with damaged appearance during the transportation process through a sorting mechanism.

The present invention discloses a test evaluation method and device, and relates to the field of computer technology. A specific implementation of the method includes monitoring a triggered test, calling a dynamic proxy class, and collecting data during the test; performing scene matching on the data based on a preset scene library and a preset matching model to obtain a covered scene; calling a preset coverage model to calculate the scene coverage of the test. Thus, the implementation of the present invention can solve the problems of high cost, low efficiency, opaque data, and lack of persuasiveness in existing test scene coverage evaluation.

According to the SR-IOV testing method and system based on the hardware simulation acceleration platform and the extended virtual machine, an additional hardware device is carried on the hardware simulation acceleration platform, the device can achieve extension of hardware resources, and the hardware simulation acceleration platform is driven and communicated through customized software, so that the hardware simulation acceleration platform and the extended virtual machine are integrated. According to the technical scheme, operation of a plurality of virtual machines and single-port or dual-port data communication are supported, full testing of the SR-IOV function is achieved, and the testing efficiency and the convenience degree of SR-IOV testing are improved.

The invention relates to the field of network security, in particular to an automatic penetration testing method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining a plurality of service systems of application services, and determining common assets of the service systems and asset properties of the common assets; determining a penetration test strategy of each common asset based on the asset property of each common asset; performing penetration testing on the common assets based on the penetration testing strategies of the common assets to obtain testing results of the common assets; and determining a penetration test result of each service system based on the test result of each common asset of each service system. By adopting the scheme, the real safety condition of the application service system is accurately evaluated, and the pertinence and accuracy of penetration testing are improved.

This invention discloses a mapping-guided fuzzing method for loop code, applied in the field of software testing. The method includes: continuously mutating test cases, inputting them into a test case queue, sending them to the program under test (CUPT) with instrumented loop code structures, and outputting a coverage statistics table when the fuzzing termination condition is met; training a deep learning model and back-calculating the weighted distance sum to construct and output a mapping relationship between the byte sequences of test cases and the coverage of the loop code structure; based on the mapping relationship, assigning mutation probabilities to the corresponding byte sequences in the test cases corresponding to the loop code structure coverage and performing mutations to generate child test cases, which are then used as input to the CUPT for fuzzing until the fuzzing termination condition is met, and outputting a fuzzing report. This method mutates the byte sequences of test cases based on mapping relationships, enabling the targeted generation of test cases that improve the coverage of loop code results.

The application relates to a unit test method for a C++ template function and belongs to the software test field. The application identifies a template function and a template class in code and parameter type information and an existing template specialization of the template through static code analysis, then requires that each existing template specialization must be fully tested, and meanwhile, the template function is tested after being self-defined and specialized, so that the full test of each possible used specialization mode is ensured. Finally, the coverage of each specialized function and the template as a whole is verified, and meanwhile, the problem that when different specializations cover different codes, each specialization cannot be 100% covered, and the test sufficiency cannot be described is solved. The application guarantees the behavior correctness of the template function under different type parameters, and improves the accuracy and comprehensiveness of the test.

The invention provides a method for detecting registers of an arithmetic device, and the arithmetic device comprises a plurality of registers. The method comprises at least one sub-detection process, and in each sub-detection process, at least one register is a target register, and at least one other register except the target register is a test accompanying register; each sub-detection process comprises the following steps: writing detection data into the target register; and reading real-time data from the target register and the test accompanying register, and comparing the real-time data with theoretical data. The invention further provides equipment for detecting the register of the arithmetic device and a computer readable medium.

The application provides a test method, device, electronic equipment and medium for a data structure conversion function, wherein the method comprises: storing first bank business data having a first data structure to a first database table; converting the first bank business data into second bank business data having a second data structure; performing data structure conversion on the second bank business data through a data warehouse conversion system to obtain third bank business data, and storing the third bank business data to a second database table; comparing different types of summary information, different field information and specified value information containing the field information in the first database table and the second database table to determine whether the first database table and the second database table are the same to obtain a database table comparison result; and determining a test result of the data structure conversion function of the data warehouse conversion system according to the database table comparison result. The method is conducive to improving the accuracy of the data structure conversion function test.

The utility model discloses a kind of material surface defect detection devices, it is related to surface defect detection technical field, including pedestal, the upper end of the pedestal is fixed with fixed frame, detection mechanism is installed on the fixed frame, the upper end of the pedestal is equipped with accommodating groove, the inside of the accommodating groove is equipped with lifting mechanism, the upper end of the pedestal is equipped with the positioning mechanism located above accommodating groove, the upper end of the pedestal is fixed with two fixed plates, two the fixed plate is symmetrically arranged at the two sides of accommodating groove, the sidewall of two the fixed plate is fixedly installed with first hydraulic cylinder, wherein the telescopic end of one first hydraulic cylinder is through fixed plate and is equipped with left support mechanism. The utility model can carry out the defect detection of material turning, it is convenient to carry out material turning operation, to improve detection efficiency further, and it has the effect of side circumferential defect detection, to be able to carry out the detection of material sufficiently, it is convenient to use.

The invention discloses a defect detection method for HDPE (high-density polyethylene) pipe production based on machine vision, which comprises the following steps: before HDPE pipe welding trace defect detection, firstly setting an initial feeding speed to meet defect detection requirements under normal conditions; and high-precision image acquisition equipment is adopted to carry out real-time image capture on the HDPE pipe in transmission. According to the method, through high-precision image acquisition, intelligent feature extraction and convolutional neural network deep analysis, the complex mode of the welding trace is accurately recognized and is divided into a complex type and a conventional type, and a targeted detection strategy is adopted. The feeding speed is dynamically regulated and controlled according to different types of welding traces, the complex type reduces the speed to ensure the detection precision, the conventional type keeps the initial speed to improve the efficiency, the balance problem of the traditional constant feeding speed between the precision and the efficiency is effectively solved, and the quality control of HDPE pipe production and the operation efficiency of a production line are remarkably improved.

The invention discloses a semi-physical closed-loop test system and method for an optical tracking and aiming single machine. The test system comprises the optical tracking and aiming single machine, a satellite-borne control computer, a dynamics simulator, an optical tracking and aiming single machine simulator, an analog data management computer, a telemetering display terminal computer, a database and a power supply. The testing method comprises the following steps: constructing a semi-physical closed-loop testing system, operating ground equipment and a satellite-borne control computer, outputting measurement data by the optical tracking and aiming single machine, accessing the measurement data of the optical tracking and aiming single machine to the semi-physical closed-loop testing system, and evaluating the performance of the closed-loop semi-physical testing method of the optical tracking and aiming single machine. According to the invention, the optical tracking and aiming single-machine simulator is used to verify the effectiveness of the function of the single-machine internal algorithm; meanwhile, stand-alone data are accessed to a closed loop of the control system, and the performance and robustness of the control system are fully tested.

The invention belongs to the technical field of integrated circuit testing, particularly relates to a high-resolution path delay testing system and method for an FPGA (Field Programmable Gate Array), and aims to solve the problem that delay faults are difficult to efficiently detect with high resolution by the existing testing method. According to the invention, a clock input module generates working and clock references and sends the working and clock references to a clock delay module and an output acquisition module respectively; the clock delay module receives a work clock, an initial tap is set to be 0, a delay clock is generated to the test vector generation module, and the test vector generation module generates a test excitation signal to drive a module to be tested accordingly. An output signal returns to the output acquisition module, and the circuit function is evaluated by comparing a reference clock. The sequence detection module monitors the number of taps of the clock delay module, and if the number does not reach a threshold value, the number of taps is circularly increased and the test process is repeated; and if the standard is reached, stopping the test. According to the invention, the test cost is reduced, the product reliability and quality assurance are enhanced, and the method has wide applicability and flexibility.

The invention belongs to the field of medical instruments, and discloses a microfluidic sample treatment system which comprises a turntable assembly, an optical detection assembly, a driving mechanism, a liquid adding assembly, a recycling assembly and a controller. The turntable assembly is provided with a plurality of accommodating positions for accommodating micro-fluidic chips; the optical detection assembly detects operation information of the driving mechanism through the light emitting part and the light receiving part; the driving mechanism drives the turntable, the liquid adding assembly and the recycling assembly; the liquid adding assembly is used for adding a sample into the micro-fluidic chip; the recovery assembly is used for recovering the micro-fluidic chip completing the reaction; the controller is used for controlling operation and data processing of the system. The system can efficiently and automatically process a plurality of micro-fluidic chip samples, and the detection efficiency and accuracy are improved.

The application relates to the technical field of environment detection, and discloses an atmospheric environment instant detection device and a detection method. The device comprises a bottom plate, a mounting box fixedly installed on the top of the bottom plate, a gas inlet pipe vertically and fixedly connected to one side in the mounting box, a detection sensor fixedly installed on the inner bottom surface of the gas inlet pipe, a detection assembly arranged above the inside of the bottom plate, and a guide assembly arranged below the inside of the gas inlet pipe. Through the cooperation of the detection assembly, the guide assembly, the gas inlet pipe, the detection sensor, the pushing plate, the blocking plate and the guide plate, the segmented sampling and detection of the gas are realized, the gas is kept in full contact with the detection sensor, the detection under the condition of the change of the gas environment is adapted, the precision of the detection result is improved, and when the gas concentration is low, the blocking time of the blocking plate can be adjusted and extended, and the auxiliary guide of the auxiliary plate can be simultaneously realized.

The invention provides a laser radar performance test method and test system. The method comprises the following steps: acquiring actual test parameters of a to-be-tested laser radar; equivalent test parameters corresponding to actual test parameters of the to-be-tested laser radar are determined, and the length of an equivalent test space required by the equivalent test parameters is smaller than the length of an actual test space required by the actual test parameters; based on the equivalent test parameters of the to-be-tested laser radar, a performance test system is configured in the equivalent test space, and the performance test system comprises an equivalent target object and a signal adjusting device; and based on the performance test system, carrying out performance test on the to-be-tested laser radar. By adopting the scheme, the test space required by the laser radar can be reduced, and the performance test of the laser radar can be completed in a limited test space range.

This invention discloses a gas ball valve with automatic shut-off function for gas leak detection, relating to the field of gas ball valves. Addressing the problems of existing gas ball valves having limited functionality, lacking gas leak detection, failing to provide timely feedback on gas leaks, and exhibiting low safety, this invention proposes the following solution: It includes a ball valve protective tube body, within which a valve ball is disposed. A first valve stem is mounted on the top of the valve ball. A detection frame is mounted on the side of the first valve stem away from the valve ball. A second valve stem is mounted on the side of the detection frame away from the first valve stem. A rotating handle is mounted on the side of the second valve stem away from the detection frame. A threaded rotating rod is mounted inside the valve ball body. This invention features a novel structure, is easy to use, provides thorough gas leak detection with high accuracy and good detection effect, and promptly shuts off the gas ball valve upon gas leak, thus improving the safety of the gas ball valve.

The utility model discloses cutting-mode finished product detection equipment for dry reed glass tubes, which relates to the technical field of dry reed glass tube detection equipment and comprises a base, two ends of the top of the base are respectively provided with a discharging box and a receiving box, and the inner side of the base is rotatably provided with a rotating roller. One end of the rotating roller penetrates through the front portion of the base and is connected with an output shaft of a first motor, a conveying roller is fixedly arranged in the middle of the outer portion of the rotating roller, a detection mechanism is fixedly installed on the top of the base, and a material guiding structure is arranged on the top of the base and comprises a first material guiding plate. One end of the first material guide plate is fixedly installed on the inner side of the discharging box. According to the finished product detection equipment for the dry reed glass tube in the cutting mode, the guide structure of the detection equipment is arranged, so that the finished product glass tube can be prevented from falling off and being broken in the transportation and unloading processes, and the finished product detection equipment has very good practicability.

The invention provides a partial discharge detection device, which comprises a clamping component, the clamping component comprises two movably connected clamping parts, a detection piece is arranged in each clamping part, a detection space for a to-be-detected piece to pass through is arranged between the two clamping parts, the clamping component has a first state in which the detection space is closed, and a second state in which the to-be-detected piece passes through the detection space; detecting a second state in which the space has a gap; and an extrusion part is arranged at the end of the transmission rod, and the transmission rod is rotatably arranged around the axis of the transmission rod so as to drive the extrusion part to extrude any one of the two clamping parts to swing, so that the clamping part is switched to the first state from the second state. According to the invention, the problem that the detection of the partial discharge signal in the prior art is time-consuming and labor-consuming is solved.

The invention relates to the technical field of power system detection, in particular to a method and a system for detecting an open circuit of a secondary circuit of a current transformer without power outage, which comprises the following steps: when normal load current flows through the secondary circuit of the current transformer, the system for detecting the open circuit of the secondary circuit of the current transformer without power outage is not accessed; connecting the open-circuit system for detecting the secondary circuit of the current transformer without power failure into the secondary circuit of the current transformer to be detected, and if a signal is not started, determining that the voltage associated with the current of the secondary circuit is close to 0V; and starting the system for detecting the open circuit of the secondary circuit of the current transformer without power failure, and adjusting the icsa signal input according to the impedance and load conditions of the secondary circuit of the current transformer. The system and the method have the advantages that the current loop can be detected at any time under the conditions of no load, light load and heavy load of the running current transformer, no auxiliary equipment needs to be used on a secondary loop conductor of the current transformer in the detection process, and the system and the method can detect the running state of the whole current.

The present specification provides a method, device, electronic device and storage medium for testing a blockchain storage cluster, wherein the method is applied to a test node connected to the blockchain storage cluster, the test node maintains an external test interface, and the blockchain storage cluster maintains a native test interface; the method includes: receiving a test request sent by a test party to the external test interface, and determining a test task corresponding to the test request; sending a call request corresponding to the test task to the blockchain storage cluster through the native test interface; receiving a call response generated by the blockchain storage cluster executing the call request from the native test interface, and generating a test result corresponding to the test task based on the execution status of the call request contained in the call response; and returning the test response containing the test result to the test party through the external test interface.

The invention provides a variable-angle X-ray detection device for a strain clamp of a power transmission line, and relates to the technical field of X-ray detection, the variable-angle X-ray detection device comprises an X-ray tube, the X-ray tube comprises a shell, and a stator, a rotor, an anode, a wave-shaped target panel, an emission collecting end and a cathode which are arranged in the shell, one end of the rotor is connected with the stator, and the other end of the rotor is connected with the anode; the wave-shaped target panel is installed on the surface of the anode, the emission collecting end and the wave-shaped target panel are oppositely arranged, the cathode is connected with the emission collecting end, and an emission window is formed in the position, between the wave-shaped target panel and the emission collecting end, of the surface of the shell; a clamping mechanism; the X-ray receiving panel is arranged on the side, away from the transmitting window, of the clamping mechanism. The X-ray scanning device has the beneficial effects that the X-ray refraction angle change is realized by utilizing the continuous change of the surface waves of the wave-shaped target panel, so that the scanning effect is generated, the strain clamp is scanned in a large range, the power of X-ray refraction equipment is not increased, the position of the strain clamp is not changed, and the X-ray detection range is expanded.

The levelness measuring device for building engineering construction comprises an inspection mechanism, the inspection mechanism comprises an inspection vehicle body, a steering wheel located at the left end of the inspection vehicle body is fixedly installed on the bottom face of the inspection vehicle body, and a driving wheel located at the right end of the inspection vehicle body is fixedly installed on the bottom face of the inspection vehicle body; the levelness of the horizontal plane of a building can be truly reflected through the ground sensing mechanism, and a detection reference surface can be provided for the levelness measuring device for building engineering construction through the reference surface fixing structure, so that the detection accuracy can be increased; information detected by the ground sensing mechanism can be converted into digital signals through the levelness measuring mechanism, the levelness of the horizontal plane of a building is represented through specific digits, the detection accuracy is further improved, the defects that a guiding rule, a level gauge, a leveling staff and a ball are used for levelness detection are overcome, and the detection accuracy is improved. And the practicability of the levelness measuring device for building engineering construction is improved.

The invention discloses an electromagnetic sensitivity determination method based on critical state trace point echo display, and the method comprises the steps: firstly, setting signal processing, enabling trace point condensation to meet a false alarm rate index, and detecting the critical state observation trace point and echo change of a target under the condition of no emission; then eliminating sensitivity caused by non-effective interference signals of the test equipment through radar receiving channel sensitivity criteria, eliminating interference signals in a radio frequency bandwidth range, eliminating interference signals generated by the test equipment in a radar radio frequency range, and eliminating interference signals generated when interference signal harmonic waves enter the radar radio frequency range; and interference signals generated by noise of the power amplifier are eliminated. According to the method, various sensitive phenomena can be comprehensively displayed, reasonable sensitive phenomena are eliminated, and a comprehensive and accurate radar receiving channel electromagnetic sensitivity test sensitive judgment result is obtained.

This invention relates to a method and apparatus for testing unmanned delivery vehicles using signal jamming equipment. The method includes: receiving test cases; generating start and end coordinates and confirming the start position; parking the vehicle under test at the start position; configuring the signal jamming equipment; configuring the vehicle and equipment antennas; setting the vehicle to stop when it reaches a preset end coordinate; controlling the vehicle to enter a driving state and travel from the start position to the preset end coordinate; during the driving process, if it is a real-world interference-free mode, using real satellite signals from the test site as multi-satellite test signals; if it is a simulated anti-interference or simulated interference-free mode, the signal jamming equipment generates multi-satellite test signals, and the vehicle controls its driving based on the multi-satellite test signals and outputs a relative displacement sequence; performing actual trajectory derivation when parking; and analyzing the vehicle's positioning anti-interference capability based on the expected test trajectory and the actual test trajectory. This invention can improve the sufficiency of testing the positioning function of unmanned delivery vehicles.

This invention discloses a method and system for detecting internet link quality based on the browser's HTTP protocol, within the field of computer network quality detection technology. The method includes: obtaining the public IP address and geographical location of the target terminal by calling a public IP query interface based on the HTTP protocol; constructing an HTTP request Uniform Resource Locator (URL) containing random path parameters and timestamps; initiating asynchronous TCP connection test requests to multiple pre-configured target nodes using a first object; receiving and storing the response status of each test request; and obtaining latency data for each test request using a timestamp acquisition program. This invention, by constructing an HTTP request with dynamically generated random path parameters, added timestamp query parameters, set request timeout thresholds, and disabled caching mechanisms, probes TCP ports and can monitor latency data through statistical analysis of quality indicator data, effectively improving the testing efficiency of TCP ports and reducing internet usage costs.