34results about How to "Improve detection coverage" patented technology

The invention discloses a method, a processor and a system for detecting the welding quality of a stud. The method comprises the following steps: acquiring an image of a target detection area; the obtained target detection area image is input into a pre-trained detection model, and target stud welding information of the target detection area is recognized; respectively comparing the welding information of the identified target stud with corresponding standard stud welding information preset in a detection model; whether the target stud is qualified or not is determined according to the comparison result of the welding information of the target stud and the welding information of the standard stud; and outputting the quality state information of the target stud in the target detection area. The method has the advantages of being low in cost, high in efficiency, large in detection coverage rate, high in accuracy and good in human-to-effect ratio.

The invention relates to the technical field of urinary tract infection detection, and discloses a phage-based rapid and accurate urinary tract infection detection method, which comprises the following steps: S1, constructing a CRISPR / Cas9 system; s2, constructing a homologous recombinant plasmid; s3, constructing three plasmids BL21; s4, constructing, screening, verifying and reporting a phage T4:: Nluc; according to the detection method, a CRISPR / Cas9 system is combined with a homologous recombination technology, so that the efficiency of bacteriophage gene editing is remarkably improved, based on the report bacteriophage T4:: Nluc, rapid, sensitive, specific, accurate, simple and convenient detection on clinical urinary tract infection escherichia coli is realized, and the method can be used for detecting an escherichia coli urinary tract infection sample which is not pretreated, and has a wide application prospect. The kit shows excellent detection timeliness and specificity, is a powerful tool for identifying clinical urinary tract infection escherichia coli, and provides a new technical path for timely and accurate diagnosis and effective treatment of clinical urinary tract infection.

The embodiment of the invention provides a detection method, device and equipment for the steer-by-wire performance of an unmanned vehicle and a medium, and belongs to the technical field of automatic driving. The method comprises the steps that a preset steering control quantity is sent to a vehicle terminal according to each preset test case under various preset test conditions, so that the vehicle terminal controls a steering wheel of the unmanned vehicle to rotate according to the preset steering control quantity, and an actual steering execution quantity is collected; receiving the actual steering execution quantity sent by the vehicle terminal; generating a group of index data under each preset test case according to the actual steering execution quantity and the preset steering control quantity; performing comparative judgment processing on each piece of steering performance index data and preset index threshold value data to obtain a judgment result corresponding to each test case; and if all the judgment results are detected to reach the standard, generating a detection result that the test is passed. The method is used for achieving the effects of saving time and labor in detection and improving the detection coverage rate, accuracy and efficiency.

This invention discloses a battery cover welding quality inspection device and method, including a tracked conveyor. Positioning devices are respectively installed on both sides of the tracked conveyor, and a first linear drive device is installed on the top of the tracked conveyor. A suction cup is connected to the bottom output shaft of the first linear drive device. A displacement platform is installed below the track of the tracked conveyor, and both positioning devices are fixed to the top of the displacement platform. Compared with the prior art, this invention, by setting up a displacement platform, allows the battery to move synchronously to the right along with the track during the inspection process. After inspection, the battery is completely removed from the inspection station, and the battery to be inspected on the left can directly enter the inspection without waiting for the inspection station to be emptied, effectively reducing process waiting time and improving the inspection efficiency of battery cover welding quality.

The invention relates to a multi-mode intelligent data acquisition system and method for automobile interior odor monitoring. The multi-mode intelligent data acquisition system comprises a terminal shell; the multi-mode sensor array module is integrated in the terminal shell or externally connected through a standard interface and used for synchronously collecting various types of parameters, and an array comprises an environmental parameter sensor, a gas concentration sensor, a selectable visual auxiliary sensor and a technological process sensor interface; the core processing and edge intelligent module comprises a main controller and an edge intelligent unit which are arranged in the terminal shell; the hybrid communication module comprises a wired communication unit and a wireless communication unit which are arranged in the terminal shell; and a power management module. According to the odor consistency monitoring system, data acquisition is completed, real-time and efficient preliminary diagnosis of abnormities is realized through a built-in special algorithm, a hierarchical and collaborative intelligent monitoring network is formed with a cloud system, and the performance and efficiency of the whole odor consistency monitoring system are remarkably improved.

The utility model relates to portal safety detection technical field discloses the safety detection device of radioactive radiation contamination portal, including bottom plate and top plate, the bottom fixedly connected with rotating mechanism of top plate, the bottom fixedly connected with camera of rotating mechanism, the top fixedly connected with telescopic mechanism of top plate, rotating mechanism includes motor, the top fixedly connected in bottom plate of motor, the drive end fixedly connected with drive shaft of motor, the outside fixedly connected with fixed block of drive shaft, the inside rotatory connection has rotating shaft no. One of fixed block. In the utility model, through starting motor structure drive fixed block and rotating shaft no. One structure work, rotate to gear and gear three, rotate through gear two and gear four, realize camera rotating function, compared with prior art, played the effect of expanding detection coverage, the effect that the radiation positioning accuracy is promoted.

Embodiments of the present application provide a terminal device and a flexible circuit board, which are used to detect whether a battery in the terminal device is bulging without increasing the complexity of the structure of the terminal device. The flexible circuit board is integrated with a first detection electrode and a second detection electrode. When the distance between the first detection electrode and the second detection electrode changes, the signal on the first detection electrode also changes. Therefore, by collecting the signal of the first detection electrode, it can be determined whether the distance between the first detection electrode and the second detection electrode changes. The flexible circuit board is placed on one side of the battery, and the bulging of the battery can drive the above distance to change. By collecting the signal of the first detection electrode, the detection of whether the battery is bulging can be realized. Moreover, the first detection electrode and the second detection electrode are realized by using the flexible circuit board in the terminal device, without the need to additionally introduce other structures, and will not affect the assembly gap between the battery and other components and the overall thickness of the terminal device.

The embodiment of the application discloses a mountain road trap active detection method and system based on sound wave reflection, the method comprises the following steps: collecting the echo signal of the multi-path propagation of the multi-band detection sound wave in the to-be-detected mountain road area through a microphone array, and scoring the propagation path according to a path credibility scoring mechanism; if it is determined that the trigger condition is met, it is determined that the to-be-detected mountain road area has a trap, and a risk early warning is carried out; if it is determined that the trigger condition is not met, the second feature data and the first feature data are input into a pre-trained machine learning model, and the trap category of the to-be-detected mountain road area is determined according to the machine learning model. The system has a second-level response capability, greatly improves the safety, realizes full-process automation, reduces manual intervention, and greatly improves the mountain road inspection efficiency.

This invention provides a six-legged octopus robot device for underwater operations, relating to the field of underwater robot technology. The device comprises a main body, main tentacles, secondary tentacles, and a 360° rotating gimbal. The main tentacles integrate highly elastic TPU flexible tentacles and a miniature camera, while the secondary tentacles have built-in friction wheels for current-resistant anchoring. All components are detachably connected via standardized interfaces, making it suitable for efficient inspection and modular maintenance in complex underwater terrain. It solves the problems of traditional rigid robotic arms, such as difficulty in fitting into confined spaces, poor current-resistant stability, and high maintenance costs.

This invention discloses a laser drilling depth monitoring device, method, control terminal, and storage medium. The device includes a measurement source, a collimator, a galvanometer, and a field lens. The collimator collimates the measurement laser emitted by the measurement source before directing it into the galvanometer. The galvanometer coaxializes the measurement laser and the processing laser before focusing them into the processed sample through the field lens. The measurement source receives reflected laser light from the processed sample to calculate the drilling depth of the processed laser within the sample. This allows measurement to be performed during the drilling process, reducing detection time and increasing detection coverage.

The utility model provides a charge detection optimized and improved ash bucket anti-blocking heat-tracing-free system, which comprises an ash bucket, a special nano ceramic material coating coated on the inner wall of the ash bucket, a fluidization air pipeline arranged at a position close to the bottom of the ash bucket, an anti-blocking device arranged at an inlet of the fluidization air pipeline, and a charge quantity detection sensor group arranged on the inner wall of the ash bucket, the charge quantity detection sensor group is electrically connected with the distributed control system, and the outer wall of the ash bucket is provided with a blockage clearing device. The system provided by the utility model eliminates detection dead angles, the sensors collect data in real time through the distributed control system, output of the anti-blocking device is dynamically adjusted, the dust dispersing effect is improved, and the system has the advantages of being comprehensive in detection, accurate in control, low in energy consumption, long in service life and the like.

This application discloses a method for determining a rotating reference for full-aperture measurement of off-axis parabolic surfaces. The method includes calculating the coordinates of boundary points and the geometric center point, and defining the bisecting center point; rotating the off-axis parabolic surface around the rotation axis by an angle θ with the geometric center point as the rotation center; setting parallel constraints on the tangent planes to determine the functional relationship between the coordinates of the bisecting center point and the rotation angle; setting constraints for equal projection distances so that the distances from the projections of each boundary point on the XY plane to the projection of the bisecting center point are equal on both the off-axis and non-off-axis directions; substituting the coordinates of each point into the rotation transformation formula and the constraints to establish a univariate nonlinear equation to solve for the optimal rotation angle; and establishing a detection area centered on the projection of the bisecting center point after rotation for full-aperture measurement. This method ensures symmetry in the mirror projection after rotation, enabling the establishment of a regular circular or elliptical detection area, avoiding the problems of probe overshooting or incomplete surface shape detection in traditional methods.

The present application provides a memory security detection method and a system on chip, the system on chip includes a security policy controller and a memory to be detected, and the security policy controller includes a detection module. The security policy controller receives a detection signal, the detection signal carries the fault to be detected and / or attack identification of the memory to be detected, obtains a detection algorithm corresponding to the fault to be detected and / or attack identification from an off-chip memory according to the fault to be detected and / or attack identification, the off-chip memory stores a variety of detection algorithms corresponding to the fault and / or attack identification, configures the detection module according to the obtained detection algorithm to obtain a detection circuit, and uses the detection circuit to determine whether the memory to be detected has a fault to be detected and / or an attack. To achieve security detection of the corresponding fault and / or attack of the memory to be detected, there is no need to deploy multiple complex detection circuits in the system at the same time, and the corresponding detection circuit can be configured by calling the corresponding detection algorithm according to different detection signals, thereby reducing power consumption and improving efficiency.

The present invention relates to a LAMP primer set for detecting BCR-ABL fusion gene, including a LAMP primer set for detecting BCR-ABL1 gene, a LAMP primer set for detecting BCR-ABL2 gene, and a LAMP primer set for detecting BCR-ABL3 gene, with a total of 17 LAMP primers, and the sequence is shown in SEQ ID NO: 1-17. Detection method: Using the sample DNA to be tested as a template, the above-mentioned LAMP primer set for detecting BCR-ABL1 gene, the LAMP primer set for detecting BCR-ABL2 gene, and the LAMP primer set for detecting BCR-ABL3 gene are used for loop-mediated isothermal amplification, and then the amplified product is detected, and judged according to the test result. The detection method of the present invention can quickly, sensitively and specifically detect three types of BCR-ABL fusion genes, and is simple to operate, does not require complex instruments, and has low detection cost.

The invention discloses a variable magnetic adsorption suspended steel beam defect detection robot, and belongs to the technical field of wall-climbing robots, the variable magnetic adsorption suspended steel beam defect detection robot comprises a main body frame, a variable magnetic adsorption device, a detection device and a controller, and the main body frame is provided with a walking device; the variable magnetic adsorption device comprises a supporting device, a plurality of electric telescopic rods and a permanent magnet array plate, the supporting device is movably mounted at the bottom end of the main frame, the plurality of electric telescopic rods are mounted at the bottom end of the supporting device, and the permanent magnet array plate is mounted at the output ends of the plurality of electric telescopic rods; the detection device is mounted at the top end of the main body frame; and the controller is mounted on the main body frame and is electrically connected with the electric telescopic rod, the detection device and the walking device. The air gap between the permanent magnet and the surface of the steel beam can be dynamically adjusted according to different thicknesses of the steel beam and the crawling requirements of the steel beam on different surfaces such as the top wall, the side wall and the bottom wall, so that the required adsorption force is accurately matched; not only is the adsorption reliability ensured, but also extra friction and energy waste caused by too large adsorption force are avoided.

The invention provides a dual-optical-path fire smoke detection smoke chamber optimization system and method, and relates to the technical field of fire detection. The method specifically comprises the following steps: synchronously acquiring light intensity signals of a main light path and an auxiliary light path, calculating an instantaneous ratio and a change rate of the main light path, and inputting into a weight analyzer to obtain a weight coefficient so as to generate a comprehensive light intensity signal; and extracting time sequence features based on the second time window, and outputting a fire probability and a confidence coefficient in combination with a pre-trained fire analysis model so as to optimize an alarm threshold value of the dual-optical-path fire smoke detection system. According to the invention, the fusion weight of the dual-optical-path signal can be dynamically adjusted, a virtual adjustable scattering angle is designed at the algorithm level, and the fire alarm fixed threshold is dynamically adjusted by comprehensively analyzing the fire probability and the detection confidence coefficient, so that the detection sensitivity of the system to different smog and the anti-interference capability in a complex environment are improved, and the system has high practicability. And meanwhile, the false alarm probability is effectively reduced.

The invention belongs to the technical field of photovoltaic module detection, and relates to a photovoltaic module hot spot auxiliary detection device which comprises two mounting seats, a lifting frame, a control panel, electric wheels, adjusting screw rods and internal thread bushings, the two mounting seats are distributed left and right, the electric wheels are mounted on the two sides of the mounting seats, and the adjusting screw rods are arranged on the lifting frame. Lifting frames are connected to the two mounting bases in a sliding mode, two adjusting screw rods are connected to one lifting frame in a rotating mode, two internal thread sleeves are connected to the other lifting frame, the adjusting screw rods are in threaded fit with the internal thread sleeves, and a control panel is mounted on one lifting frame. When the photovoltaic panel hot spot detection task is executed, the detection device only needs to be placed on the surface of the photovoltaic panel, the infrared thermal imager can be automatically guided to comprehensively scan the photovoltaic panel through movement of the electric wheels, manual operation is not needed during operation, human input is reduced, and the hot spot detection process is more convenient and efficient.

The invention discloses a breast milk analysis method with high coverage rate and non-targeted metabonomics and application thereof, and belongs to the field of detection and analys.The breast milk analysis method comprises the following steps that a milk sample is pretreated, dried and redissolved, UHPLC-QTOF-MS positive and negative ion mode analysis is conducted, and in the UHPLC-QTOF-MS positive and negative ion mode analysis, adopted chromatographic columns comprise a T3 chromatographic column and an HILIC chromatographic column. The analysis method provided by the invention is simple and convenient to operate, can quickly and efficiently treat the breast milk sample, is suitable for high-throughput analysis, and remarkably improves the detection efficiency. Meanwhile, through the step of combining protein precipitation with concentration, the matrix effect is effectively reduced, the detection sensitivity and reproducibility are improved, and the data reliability is ensured.

The present invention discloses a method and system for detecting cross-site scripting vulnerability attacks, and the cross-site scripting vulnerability attack detection system comprises: a URL extraction module, a URL filtering module, a group classification module, an attack dictionary library establishment module, a simulated request sending module, a mathematical model establishment module and a vulnerability judgment module. The cross-site scripting vulnerability attack detection method and system proposed by the present invention, by modeling the attack risk list, using the algorithm model combining GBDT and LR, ultimately only needs to output a set of parameters-attack instructions (attack vectors) to simulate attacks on requests, which can greatly shorten the time for detecting XSS vulnerabilities; the present invention can also improve the accuracy of XSS vulnerability detection.

This utility model discloses a bolt tightness testing device for building construction supervision, relating to the technical field of bolt tightness testing equipment. The device includes a workbench with a control box mounted on its lower end and a first fixed bracket fixedly connected to its upper end. The testing components include two first limiting plates, a first connecting rod fixedly connected to the output end of a second drive motor, two second limiting plates fixedly connected to the right side of the first connecting rod, a second connecting rod fixedly connected to the output end of a fourth drive motor, two third limiting plates fixedly connected to the lower end of the second connecting rod, and a testing box fixedly connected to the output end of a third drive motor. A torque sensor is installed inside the testing box. By adjusting the rotation of the first connecting rod, the second connecting rod, and the testing box, the left and right testing components can work independently or collaboratively, enabling batch testing of bolts on the entire surface of large components, improving testing efficiency and the accuracy of testing data.

This invention belongs to the fields of cultural relic protection and computer vision technology. Addressing the problems of low efficiency, poor accuracy, and lack of spatial positioning in traditional methods for detecting defects in ancient city walls, this invention discloses an intelligent detection method and system for surface defects of ancient city walls based on 3D reconstruction. The method includes: processing the texture information of a loaded 3D reconstructed model of the ancient city wall using a multi-strategy texture restoration method; analyzing the model's geometric structure to determine the wall's orientation and dimensional parameters; generating virtual camera positions based on geometric features and a meshed serpentine scanning strategy; rendering RGB and depth images at each virtual camera position; performing defect detection using a YOLO model; mapping the 2D detection results to 3D space to generate 3D defect marker color blocks; and fusing multi-viewpoint results to output the detection results of surface defects on the ancient city wall. This invention achieves efficient, accurate, and automated detection of defects in ancient city walls, providing effective technical support for cultural relic protection.

This invention belongs to the technical field of rotor testing equipment, and specifically relates to a motor rotor defect detection device, comprising an L-shaped base, an L-shaped top plate fixedly connected to the upper surface of the horizontal portion of the L-shaped base, a through hole in the horizontal portion of the L-shaped top plate, and a first electric push rod fixedly connected to the wall of the through hole. A semi-circular dome cover is fixedly connected to the moving end of the first electric push rod. The detection device of this invention has the functions of keyway smoothness detection and rotor cooling fan airflow detection. It simultaneously completes two easily overlooked items in conventional testing—keyway fit quality and fan cooling performance—during the rotor assembly stage, enabling multi-dimensional defect screening. This effectively improves the comprehensiveness and efficiency of rotor defect detection, reduces rework workload in subsequent assembly processes, reduces the labor intensity of workers, ensures stable production rhythm, and significantly improves the pass rate and efficiency of subsequent motor assembly.

This invention discloses a method for detecting and handling faults in redundant wheel speed signals, specifically relating to methods for detecting and handling faults in aircraft anti-skid brakes. It addresses the problem of insufficient coverage of wheel speed sensor fault modes in existing aircraft braking systems. In this invention, valid aircraft taxiing speed signals and wheel speed signals are acquired. The difference between each wheel speed signal and the aircraft taxiing speed signal is calculated, and the aircraft taxiing speed signal is divided into speed signal intervals. Within each speed signal interval, the presence of a fault in the corresponding wheel is determined based on the difference between the wheel speed signal and the aircraft taxiing speed signal. By collecting redundant wheel speed signals from the aircraft braking system using wheel speed sensors and incorporating the aircraft taxiing speed signal, the status of redundant wheel speed signals can be comprehensively assessed, further improving the testability of the braking system and ensuring its safe operation.

The invention discloses a heat supply network rapid leakage point searching system and method based on multi-index fusion, and relates to the technical field of heat supply network detection, and the system comprises a multi-source detection data collection module, a leakage point intelligent judgment module, a cooperative positioning execution module and a big data optimization module. A multi-index detection system is constructed, a scientific leakage point judgment rule is formulated, multi-dimensional physical quantities such as acoustic signals, thermal imaging characteristics, ground deformation and water quality parameters are comprehensively considered, the limitation of a single detection means under complex working conditions is overcome, the accuracy of leakage point positioning is improved, the problems of misjudgment and leakage detection caused by environmental interference are avoided, and the detection efficiency is improved. Reliable technical support is provided for maintenance of a heat supply pipe network; the high-altitude thermal imaging unmanned aerial vehicle and the ground detection equipment are cooperatively dispatched by adopting a hierarchical positioning mechanism, a suspected area is quickly scanned and locked through the unmanned aerial vehicle, and then fine verification is performed by utilizing the handheld equipment, so that quick response and timely repair of a heat supply network leakage point are realized, and the heat energy loss is reduced.

The utility model provides a flatness detection device of automobile brake disc processing relates to brake disc processing technical field, including bottom plate, still include: flatness detection subassembly, flatness detection subassembly includes the support seat of connection on bottom plate, the top of support seat is equipped with electric push rod, in the utility model, cylinder drive moving block drives mounting bracket to move, makes the clamping plate close and clamps the brake disc, servo motor can drive brake disc rotation to adjust detection surface, subsequently, electric push rod elongation, drives the shell and bottom structure to move down, makes detection wheel contact brake disc surface, transmission motor drives the rotation of carousel, drives detection wheel to roll on brake disc surface, when brake disc surface is uneven, detection wheel will be up and down micro motion, the sensor on connecting plate captures this change, will signal into electric signal, thereby completes to brake disc flatness's detection, has realized brake disc quick positioning, automatic detection flatness, has promoted detection efficiency and precision.

A method and system for automatically verifying the quality of voice interaction content in parking lot operations, involving a large-scale model domain, is disclosed. The method includes: acquiring customer service call voice data; obtaining dialogue text through speech recognition; and obtaining acoustic feature vectors through acoustic analysis. The dialogue text is then enhanced by a domain adaptation layer, and a knowledge judgment result is determined based on the knowledge hit confidence level. The dialogue text and retrieval results are input into a large-scale language model to obtain semantic judgment results and confidence levels. The acoustic feature vectors are matched with a reference distribution to obtain acoustic judgment results and confidence levels. Consistency detection is performed on the three types of judgment results (semantic, acoustic, and knowledge) to obtain a quality inspection conclusion. Based on a pre-set quality inspection operation mapping table, the conclusion is mapped to operational actions and executed. Implementing this application can improve the accuracy and detection coverage of quality inspection conclusions in parking lot customer service voice quality inspection scenarios.

A straightness detection device and a detection method for a tubular steel body relate to the technical field of detection equipment, the straightness detection device comprises a detected steel pipe, a straightness detection device and pinch devices, the straightness detection device is a structured light camera, the two sides of the straightness detection device are respectively provided with a pinch device, and the pinch devices are connected with the structured light camera. The detected steel pipe enters from one side of one clamping and conveying device and is arranged below the straightness detection equipment; the straightness detection equipment is connected with the off-line calculation system through a wire; based on the equipment detection method, an online computing system and an offline computing system are included. According to the detection device and the detection method for the flatness of the tubular steel body, non-contact measurement can be realized; online real-time detection is achieved, and the detection coverage range is widened; the detection precision is improved; the detection efficiency is improved.

The invention provides a register protection method, system, device and product, and the method comprises the steps: obtaining an output value of each register in a module and an output value of a corresponding register protection module, the register protection module being obtained by copying the register or being constructed by adopting an error detection algorithm; comparing the output value of the register with the output value of the register protection module to obtain a single-bit result; performing logic compression processing on the single-bit result through a full self-inspection fault comparator to obtain an output result; the output result comprises a 2-bit level combination, and when the level values in the 2-bit level combination are different, it is represented that the protected register or the register protection mechanism is in a normal state; when the level values in the 2-bit level combination are the same, the protected register or the register protection mechanism is in an abnormal state; and generating a pulse output signal according to the output result. According to the scheme, the single-point fault can be accurately and effectively detected, and the latent fault detection coverage rate is improved.

The application discloses a precision fastener surface flaw detection method and system based on visual identification and three-dimensional model comparison, which comprises the following steps: synchronously collecting surface point cloud data and two-dimensional gray images of the precision fastener, and registering the point cloud data with a standard CAD model; according to the scanning direction and the normal angle of the surface element and the adjacent tooth top shielding condition, the model surface is divided into a three-dimensional reliable area and a three-dimensional unreliable area. The deviation of the point cloud and the model surface in the three-dimensional reliable area is calculated, and the flaw is determined according to the tolerance limit value; according to the registration pose and the camera parameters, a synthetic reference image is generated for the three-dimensional unreliable area, and the pixel comparison is carried out between the synthetic reference image and the corresponding two-dimensional gray image to identify the flaw. The two kinds of detection results are uniformly mapped to the standard CAD model surface to generate a flaw distribution map. The method can reduce the influence of thread shielding and large incident angle on three-dimensional detection, and improve the detection coverage rate and flaw positioning accuracy of the complex thread surface.