26 results about "Probe location" patented technology

The invention discloses a probe position selection method and system, and solves the problem in the prior art that the precision is low when signal spatial characteristics are reconstructed through a probe antenna. The probe position selection method comprises the following steps: determining a target channel model, and extracting target channel parameters; the target channel parameters comprise time, frequency and space parameters; determining a reconstruction criterion, and calculating a target reconstruction parameter according to the target channel parameter; determining at least one coordinate as a probe position; calculating the weight of the probe at each position according to the target reconstruction parameter, and determining a reconstruction error; the reconstruction error is a difference value between a target reconstruction parameter and a target channel parameter; and iterating the probe position, and determining the probe position corresponding to the lowest reconstruction error. According to the probe position selection algorithm provided by the invention, the required calculation amount can be reduced, and the spatial feature precision of the probe antenna reconstruction signal can be effectively improved.

The invention discloses an aircraft fuselage defect in-situ automatic detection system and method, and belongs to the field of aircraft overhaul and maintenance, the system comprises a visual system module, an ultrasonic system module and a data processing and storage module; the visual system module is used for performing marker detection and ultrasonic probe position automatic detection, realizing alignment of an airplane digital-analog coordinate system and a camera coordinate system, and calculating the detailed position of the probe position on a target airplane; the ultrasonic system module adopts phased array C scanning ultrasonic equipment and is used for detecting internal defects in a fuselage skin-grating structure to obtain an ultrasonic detection result; the data processing and storage module is a computing device with a computing function and a certain amount of storage medium and is used for being responsible for achieving the target detection and computing functions of the visual system and the ultrasonic system. According to the invention, the position coordinates of the detection data can be automatically obtained and stored in a standardized manner, the detection area can be visualized, and the labor investment can be greatly reduced.

A manual system for non-destructive testing of a part to be tested includes a sub-system for acquiring non-destructive test data comprising a probe, a sub-system for tracking the position of the probe, and a sub-system for acquiring surface characterisation data of a test zone defined on the surface of the part. The system also includes a central sub-system for controlling the test data acquisition, surface characterisation data acquisition and position tracking subsystems as a function of the test zone covered by the probe manipulated by an operator, the central subsystem being able to synchronise the operation of the test data acquisition, surface characterisation data acquisition and position tracking subsystems and to pair the data produced by the test data acquisition, surface characterisation data acquisition and position tracking subsystems during their operation.

The invention provides a force sensing and ultrasonic flaw detection cooperative control device which comprises a force control mechanism, a force measuring mechanism and a two-degree-of-freedom self-adaptive mechanism used for enabling a probe to be attached to a workpiece to be detected, the force control mechanism is connected with the two-degree-of-freedom self-adaptive mechanism through the force measuring mechanism, and the two-degree-of-freedom self-adaptive mechanism is connected with a probe support. The probe is installed on the probe support in parallel. The force control mechanism comprises a motor upper end support, a sliding rail support, an electric push rod, a sliding rail, a sliding block sliding in the length direction of the sliding rail, a sliding support and a motor lower end support. The device can sense the contact force between the probe and the workpiece in real time, adjust the position of the probe to adapt to a complex environment, ensure the contact stability of the probe and the surface of the detected workpiece, further improve the force control accuracy of the pressure on the probe, and improve the workpiece defect detection capability.

The invention relates to a delivery device for a probe with an asymmetric tip. Provided herein is a probe delivery device for advancing a probe into a vascular access device. The probe conveying device comprises an outer shell, a connector, a shield assembly and a probe assembly. And a shroud assembly including a shroud sleeve movable within the interior volume of the outer housing, the shroud advancing an appliance shroud handle, and a shroud pusher coupled to a proximal end of the shroud sleeve, the shroud handle is configured to slide along an outer surface of the outer housing to move the shroud sleeve distally from a first sleeve position to a second sleeve position. The probe assembly includes a probe movable within the shield sleeve and a probe pusher coupled to a proximal end of the probe, the probe pusher having a probe handle configured to slide along an outer surface of the outer housing to move the probe distally from a first probe position to a second probe position.

The invention relates to automatic detection equipment for a proximity sensor, and relates to the technical field of proximity sensors, the automatic detection equipment comprises a base and a detection device, and the detection device comprises a mounting seat used for placing a probe; the pressing assembly is used for positioning the probe; the movable seat is arranged on the base in a sliding manner; the driving mechanism is used for driving the moving seat to move; and the detection mechanism is arranged on the moving seat and the mounting seat and is used for detecting data required to be detected by the proximity sensor. According to the invention, the probe is placed on the mounting seat, the pressing assembly presses and positions the position of the probe, and then the driving mechanism starts to drive the moving seat to move, so that the detection mechanisms on the moving seat and the mounting seat start to detect parameters of the proximity sensor, and batch integrated and standardized detection can be realized; and moreover, automatic induction control can be realized, test data can be processed and stored, and the detection efficiency and accuracy are improved.

The invention relates to the technical field of sound insulation testing, in particular to a method and device for testing sound insulation of an automobile part based on wave velocity forming scanning and a vehicle, and the method comprises the steps: collecting noise information based on a sound collection array; selecting a scanning plane at a sound source and constructing a grid so as to restore noise hotspot information of the noise information to the scanning plane through beam forming analysis, and superposing the original geometric figure to obtain a wave velocity forming array; and determining the distribution information of the noise source of the to-be-detected automobile part according to the wave velocity forming array. Therefore, the problems that in the related technology, due to the fact that a sound intensity probe is used for testing points of a test piece every 10 cm, the test period is long, the position and angle deviation of the probe is prone to being caused by hand-held mobile testing, errors are large, the sound insulation index tested through a sound intensity method and the sound insulation index tested through a reverberation sound insulation method have test errors and need to be corrected, and the testing cost is high are solved. And the test efficiency and precision are not enough.

The present application relates to the technical field of mine safety monitoring, and discloses a mine ventilation safety monitoring device and a regulation and control method thereof, the device comprising a support arm installed on a roadway wall and a box body arranged at one end of the support arm, a driving motor being arranged in the box body, an output end of the driving motor being connected with a probe through a linkage mechanism, and the driving motor being capable of driving the probe to adjust the angle so as to realize the detection of air parameters in different directions in the roadway. The gear set and the multi-stage linkage structure arranged in the box body enable the output power of the driving motor to be stably transmitted to the probe position, thereby ensuring the continuity and reliability of the angle adjustment of the probe. Meanwhile, a cleaning cover is arranged outside the box body, the probe can be automatically cleaned during movement, and a dustproof structure is arranged on the box body to prevent dust from entering the inside. The device can adapt to the complex ventilation environment of the mine roadway, improve the coverage range of the ventilation monitoring and the reliability of the monitoring data, and has good practicability.

Provided is an own-position estimating device and an own-position estimating method capable of estimating the own-position of a probe head with a high degree of precision, while facilitating association of a target in a three-dimensional space with a target in an image. An own-position estimating device (50) comprises: a relative position information detecting unit (target group position information detecting unit (56) and probe head position information detecting unit (58)) that detects relative position information indicating the relative positional relationship between a probe head (12) and a target group (14) including a plurality of targets (24); an image acquiring unit (60) that acquires an image of the target group (14) captured by a camera (20) mounted on the probe head (12); and a high-precision own-position estimating unit (62) that uses the relative position information and the image to detect the position and orientation of the probe head (12) with respect to the target group (14) with a higher degree of precision than the relative position information.

To provide a self-position estimation device and a self-position estimation method that can accurately estimate the self-position of a probe head, while facilitating association of targets in a three-dimensional space with targets on an image.SOLUTION: A self-position estimation device 50 comprises: a relative position information detection unit (target group position information detection unit 56 and probe head position information detection unit 58) that detects relative position information indicating the relative positional relationship between a target group 14 having a plurality of targets 24 and a probe head 12; an image acquisition unit 60 that acquires an image obtained by a camera 20 mounted on the probe head 12 photographing the target group 14; and a high-accuracy self-position estimation unit 62 that detects, by using the relative position information and the image, the position and posture of the probe head 12 relative to the target group 14 with higher accuracy than the relative position information.SELECTED DRAWING: Figure 1

The invention discloses a model-free component ultrasonic non-destructive testing trajectory planning method, which comprises the following steps: acquiring point cloud information of all surfaces of a detected component through a scanning means, and preprocessing the point cloud information in space to enable the mass center of the detected component to be horizontally aligned; the method comprises the following steps: pre-planning a detection path of a detected component in a point cloud file, extracting point clouds through which a preset detection path passes, performing high-order curve fitting in software, eliminating outliers, and performing fitting to generate a surface scanning path line of the detected component; dispersing a surface scanning path line of the measured piece according to parameters such as scanning intervals set according to preset scanning parameters, extending along a normal line of a sampling point on a fitting curve to obtain a probe position corresponding to the sampling point, taking the probe position as a mechanical arm flange motion coordinate for clamping the probe, generating a mechanical arm flange motion and mechanical arm pose matrix, and determining the position of the measured piece according to the mechanical arm flange motion and mechanical arm pose matrix. And the scanning track of the mechanical arm is generated. According to the invention, the mechanical arm clamps the probe to automatically detect the model-free component.

The application discloses an aircraft fuselage defect in-situ automatic detection system and method, and belongs to the field of aircraft maintenance and maintenance. The system comprises a visual system module, an ultrasonic system module, and a data processing and storage module. The visual system module is used for performing marker detection and ultrasonic probe position automatic detection, realizing alignment of an aircraft numerical model coordinate system and a camera coordinate system, and calculating a detailed position of the probe position on a target aircraft. The ultrasonic system module adopts a phased array C-scan ultrasonic device to realize detection of internal defects in a fuselage skin-lattice structure and obtain an ultrasonic detection result. The data processing and storage module is a computing device with a computing function and a certain amount of storage medium, and is used for realizing target detection and computing function of the visual system and the ultrasonic system. The application can realize automatic acquisition of position coordinates of detection data, normalized storage, and detection area visualization, and greatly reduces manual input.

The utility model discloses a position sensing system and ultrasonic system, position sensing system includes positioning equipment and position movable probe equipment, wherein, the first sensing device is installed on the probe equipment, the first signal transceiver unit is provided in the first sensing device, at least three second signal transceiver units are provided in the positioning equipment, and communication is connected between each second signal transceiver unit and the first transceiver unit to determine the position information of the probe equipment relative to the positioning equipment. The technical scheme provided by the application can realize the acquisition of ultrasonic probe position data, and help to realize more accurate ultrasonic detection.

The invention discloses a probe selection and optimization method for a millimeter wave air interface dynamic performance test, and the optimization method comprises the steps: firstly selecting appropriate probe positions for all points in a segment through employing a multi-objective optimization algorithm, finally carrying out the optimization of the probe weight of each point in the segment, determining the appropriate probe weight of each point, and carrying out the optimization of the probe weight of each point. The probe position selection algorithm selects a multi-objective optimization algorithm based on NSGAII. According to the method, appropriate probe positions can be selected for all points in the segment by adopting a multi-objective optimization algorithm, probe weight optimization is carried out on each point in the segment, the appropriate probe weight of each point is determined, the probe positions are guaranteed through multi-objective optimization for each test point in the dynamic channel segment, and the probe weights are guaranteed through convex optimization. It is guaranteed that the test precision of each point is optimal, discontinuity and uncertainty caused by frequent switching of a switch switching matrix are avoided in an MPAC darkroom, and continuous construction of a whole dynamic channel is guaranteed.

The utility model discloses a built-in composite material arc area detection probe boot device which comprises an ultrasonic phased array probe and a probe mounting seat, and the ultrasonic phased array probe is assembled at one end of the probe mounting seat. The base mechanism is used for providing installation support for the ultrasonic phased array probe, the adjusting mechanism is used for adjusting the position of the ultrasonic phased array probe, the contact mechanism is used for achieving relative positioning of the probe boot device and the inner side of a material arc area, and the base mechanism is arranged on the outer side of the ultrasonic phased array probe. The adjusting mechanism is arranged between the base mechanism and the ultrasonic phased array probe, and the contact mechanism is assembled at one end, close to the ultrasonic phased array probe, of the base mechanism. A distance encoder wheel is perpendicular to the surface of the part, a wheel contact is aligned with the width center of the probe, and no blind area exists in end detection.

A probe assembly for a resonance inspection system includes an outer guide tube and a probe. The outer guide tube extends along a longitudinal axis between and to a distal outer tube end and a proximate outer tube end. The probe is axially translatable relative to the outer guide tube along the longitudinal axis. The probe includes a probe housing, at least one piezoelectric transducer, a flexible cable assembly, and at least one shape-memory alloy (SMA) rod. The probe is selectively positionable in a retracted condition and a deployed condition. In the retracted condition, the probe has a first axial probe position and the remembered angular bend is constrained within the outer guide tube. In the deployed condition, the probe has a second axial probe position and the probe axis is oriented at a predetermined angle relative to the longitudinal axis by the remembered angular bend.

The utility model relates to positioning device technical field especially discloses a temperature measurement probe positioning device, including vertical board and horizontal board, through the sliding cooperation of sliding screw rod and guide rail, the rotary connection design of guide rail and rotating screw rod, the realization of the wide range horizontal adjustment of probe position and the flexible fine adjustment of detection angle, this design can adapt to the target temperature measurement area deviation caused by equipment working condition change, production process adjustment or monitoring demand change, need not to dismantle and reassemble or re -punch in the mounting surface whole support, has improved the versatility of device, the operation step is simple and efficient at the same time, has improved the installation and adjustment efficiency, and need not to carry out secondary processing or repeatedly dismount bolt to mounting surface, avoided the damage of mounting surface because of frequent operation, reduced the additional loss of equipment maintenance, more can guarantee the precision stability after repositioning, ensured that the probe is accurate alignment target temperature measurement area all the time, provided strong guarantee for the reliability and effectiveness of temperature measurement data.

The utility model relates to the field of temperature and humidity sensors, and discloses a high-precision temperature and humidity sensor with a packaging structure, which comprises a base, an upper cover is arranged at the top of the base, the base and the upper cover are fixedly connected through a mounting bolt, a PCB (printed circuit board) is arranged at the top of the base, the PCB and the base are fixedly connected through a fastening bolt, and the packaging structure is arranged on the PCB. The device comprises a base, a detection mechanism is arranged in the base, the detection mechanism comprises a plurality of mounting plates and a signal box, probes are arranged on the sides, away from each other, of the mounting plates, and contacts are arranged on the surfaces of the mounting plates. According to the utility model, through the cooperation of the signal box, the mounting plate and the mounting mechanism, when the equipment is mounted in different directions and orientations, the position of the probe on the mounting plate is changed by changing the position of the mounting plate in the slot on the base, so that the mounting adaptability and the detection accuracy of temperature and humidity detection in different environments are improved.

The invention discloses a probe layout optimization method, device and system for an air interface test and a storage medium, and the method comprises the steps: training a preset training model according to a reference test data set obtained in advance, and obtaining a reference model; obtaining antenna characteristic data and probe characteristic data of the current detected equipment; inputting the antenna feature data and the probe feature data into a reference model to obtain target probe layout information; performing instruction conversion according to the target probe layout information to obtain an axial control instruction; and sending an axial control instruction to a mechanical movement mechanism, and driving at least one test probe to move to a corresponding target position in the probe layout information. And by using the physical information neural network, the calculation efficiency and global convergence of probe position optimization are improved. And the condition number of the channel matrix is reduced from the physical level, the ill-conditioned matrix problem is effectively improved, and the stability and the measurement precision of wireless cable construction are improved. The probe position is changed by driving a mechanical mechanism, and the testing efficiency is improved.

The invention discloses an explosive loading DDT position deduction method. The method comprises the following steps: S1, determining take-off time and minimum take-off time according to acquired data; s2, charging explosive, shell parameters and PDV probe position information are input, a detonation wave velocity range is preset, and a resolution ratio PP I value is set; s3, the position information is converted into a Cartesian coordinate system, a medicine loading physical model is drawn, random points are generated according to a PP I set value, and space distribution is completed; s4, the maximum distance difference and the minimum distance difference are determined according to the PDV take-off time difference, an outer ball and an inner ball are drawn, and a point set range is obtained; s5, generating random points, screening in a point set range, and searching and selecting points meeting conditions; and S6, outputting the coordinates of the selected point location, converting the coordinates into longitude and latitude forms, and remarking the elevation of the coordinates to determine the area position where the DDT occurs. The method can deduce and determine the position of a region where DDT possibly occurs in the accident response evolution process of charge.

Systems and methods for hands-free operation of ultra-sound probes. Pressure is maintained between the ultrasound probe and a subject without need of an externally applied force (e.g., without hand, robotic arm, or other external force application). Flexible components are utilized that largely conform to the contour of the body for reduced distortion relative to rigid components used in conventional systems. Some embodiments provide a handle for probe orientation adjustment that can be selectively removed during hands-free operation to reduce gravitational moments. Other provisions include integrated marking assembly for tracking probe location, wireless information capability (e.g., RFID), and integrated ECG patches. Various embodiments of the disclosure may include an ergonomic clasping arrangement that may provide a mechanical advantage for easy decoupling and recoupling of the probe from anchored moorings. A full range of pitch adjustment at the contact interface may be provided with or without a disclosed gimbal mounting.

The invention discloses an ultrasonic probe device and method for blade in-situ detection, and belongs to the technical field of nondestructive detection. The device comprises a surface wave probe, an extension bar, a handle, a reed, a camera, a graduated scale, a flaw detector and a display screen. And the calibrated scale is fixed on the side surface of the probe. The detection method comprises the following steps: processing a reference block with artificial defects; assembling a probe device and connecting equipment; adjusting the detection sensitivity on the test block, and observing the distance between the graduated scale and the edge of the test block; the probe extends into the engine to detect the blade, the distance between the graduated scale and the blade edge is observed through the display screen, the calibration time interval is kept, and the defect is judged according to the waveform; when defects are found, the probe is transversely moved and the coupling state is kept, and the defect length is measured through graduated scale reading variation. According to the invention, the real-time observation of the probe position and the accurate measurement of the defect length are realized, and the detection accuracy and efficiency are improved.

The present invention discloses a material electromagnetic radiation performance test probe station, including a video microscope mechanism, a scanning receiving probe, a scanning adjustment mechanism for adjusting the position of the scanning receiving probe, a stage for placing a test piece, a test seat supporting the stage, and a probe device capable of contacting and conducting with the test piece, wherein the test seat is provided with a probe adjustment mechanism for adjusting the position of the probe device. The probe adjustment mechanism is used to drive the probe of the probe device to contact and conduct with the test piece to receive power feed for material testing, the probe device is connected to an external signal receiving and processing instrument, and the parameter signal fed back by the test piece in an electromagnetic ray environment is processed by the signal receiving and processing instrument, thereby testing the near field and radiation characteristics of the two surfaces of the test piece.

The device comprises a main pipeline and a probe assembly, the insertion depth of the probe assembly in an air duct can be adjusted, probe layout is customized according to an actual measurement space model, a probe is arranged in an optimal area of a flow field, a low-speed area and a turbulent flow area with strong circulating airflow are effectively avoided, and the air flow measurement accuracy is improved. The accumulation and blocking effects of particulate matters on the probe are greatly weakened, the problem of measurement misalignment caused by poor position of the probe is fundamentally solved, the accuracy, linearity and representativeness of measurement are remarkably improved, and the maintenance workload of equipment is greatly reduced. Meanwhile, the device has adjustability, not only can perfectly adapt to the working condition of a specific pipeline during primary installation, but also can conveniently adjust the depth of the probe on line when the working condition changes in the future, has extremely high adaptability and flexibility, effectively supports the accurate operation of an automatic control system, reduces the shutdown risk, and improves the working efficiency. And the overall efficiency of the industrial process is improved.

The invention discloses a thick-wall heat supply pipeline detection method and system based on multi-mode ultrasonic scanning, and belongs to the technical field of urban underground pipe network nondestructive detection.The method comprises the steps that axial / circumferential dual-mode coupling scanning is conducted on a to-be-detected thick-wall heat supply pipeline, and guided wave and pulse echo synchronous excitation is applied; acquiring an ultrasonic waveform sequence and acquiring probe position data fed back by the motion control card; performing space-time alignment on the probe position data and the ultrasonic waveform sequence to obtain space coding data; and according to the ultrasonic waveform sequence and the spatial coding data, waveform distortion identification is carried out based on the trained three-dimensional wall thickness mapping model, and defect coordinates, defect depth quantized values and defect severity levels are output. The technical problems that in the prior art, due to the fact that multi-mode ultrasonic features cannot be effectively fused, detection of the corrosion defects of the inner wall and the outer wall of the thick-wall heat supply pipeline is incomplete, time-space evolution law evaluation is inaccurate, and space positioning precision is low are solved.