48results about How to "Fast and accurate positioning" patented technology

The invention discloses a log generation management method, a log generation management device, log generation management equipment and a computer-readable storage medium. The log generation management method includes the following steps: when a service request is detected, intercepting the service request to acquire intercepted information from the service request, and recording intercepting timeof the service request, wherein the intercepted information includes a service request identifier and calling chain information; generating a log file according to the intercepted information and theintercepting time, and storing the log file to a preset storage area; and when an abnormality analysis request is detected, acquiring a plurality of log files according to service request identifiersin the abnormality analysis request, and establishing a tree-shaped structure on the basis of the plurality of log files. According to the method, quickly and accurately analyzing and locating key information, of causing a service request abnormality, by a developer are facilitated, costs are greatly reduced, and an accuracy rate of the key information is increased.

The present invention discloses a crane remote monitoring and intelligent maintenance system based on an IOT and a DSP. The system is formed by the connection of a sensor group, an industrial wireless network, a test and control servers, a remote data service center, and an information receiving terminal device in order. The design and project amount can be greatly reduced, the installation cost is reduced, the DSP has the characteristics of fast computing speed, multiple data channels and high floating point operating precision, and the characteristics are very suitable for an industrial control system to carry out accurate detection and positioning.

Embodiments of the invention disclose an equipment load monitoring method and device. The method comprises the following steps of: periodically obtaining load information of a plurality of performance indexes in the current time period, the last time period and the same time periods in the previous day; determining corresponding load change values of the performance indexes in the current time period according to the load information; and carrying out alarming when the load change values exceed a preset load change value and the frequency of continuous exceeding is greater than a set value. According to the method and device disclosed by the invention, the abnormal conditions of the performance indexes can be reflected more timely, and the problems can be positioned more correctly and rapidly, so that benefit is brought to improve the equipment performance.

The invention relates to an inner circular seam welding machine system and an inner circular seam welding method. The inner circular seam welding machine system comprises a welding gun for welding a welded joint between a pipe fitting and a welding part, a pipe fitting placing platform with a pipe fitting placing plane which is horizontally located, and a pipe fitting external diameter location device arranged on the tube placing platform, wherein the pipe fitting placing platform is used for placing a pipe fitting to be welded; and the pipe fitting external diameter location device is used for locating the pipe fitting with the external diameter of the pipe fitting on the pipe fitting placing platform.

The invention discloses a power dispatching automation polling robot and method based on the reptile technology. The polling robot comprises a long-distance interface service module, a master control program module, a task module, a script analysis module, a polling uploaded data processing module, an abnormality management module and a running status monitoring module. The polling robot is based on the reptile technology, HTTP requests are simulated in an HTTP agency mode, an HttpClient and tmlParser open source assemblies are adopted for crawling links and key data of a service system needing to be monitored for the URL connection and interface analysis technologies, and automation polling on information systems is achieved. By means of the power dispatching automation polling robot and method, polling of a large number of the information systems can be carried out; the aim of polling in the script recording mode is achieved, the information system polling process is simplified, a large number of repeated manpower resources are released, and the work efficiency of dispatchers for polling the service system is improved.

The invention discloses a numerical control polishing machine. The numerical control polishing machine comprises a four-axis workpiece shifting device and a rotary polishing head, wherein the four-axis workpiece shifting device comprises a stand column, a Y-axis sliding seat, an X-axis rotary arm, a Z-axis rotary arm, an A-axis rotating work bench, a Y-axis driving assembly, an X-axis driving assembly, a Z-axis driving assembly and an A-axis driving assembly; and the rotary polishing head is provided with a main polishing mechanism, the main polishing mechanism comprises a main grinding wheel assembly, a main rotating arm and a main grinding wheel vertical/horizontal transforming assembly, the main grinding wheel assembly is mounted on the main rotating arm, and the main grinding wheel vertical/horizontal transforming assembly drives the main rotating arm to rotate, so that the rotary polishing head transforms at any angle in the vertical direction and the horizontal direction, and accordingly, a workpiece on the A-axis rotary work bench is polished in an omnibearing manner. The numerical control polishing machine can automatically polish a casting, effectively removes burrs and flashing of the casting and is efficient, environment-friendly, safe and simple and convenient to operate, the labor intensity is reduced, and the polishing quality is improved.

The embodiment of the present invention provides a method for positioning the hidden danger of a door system of a train based on a probability petri network. Firstly, faults, which occur and possibly occur, at each key position of the system are analyzed to determine the hidden danger; a probability Petri network (PPN) model is established according to observation events of the hidden danger of the system and a logical relationship so as to describe a time sequence and a causal relationship between the events; then according to system initial information and the established probability Petri network model, an initial identification M0, a related matrix C and a transition sequence U are generated; a state equation is utilized to analyze the state description changing process of the probability Petri network; and finally, the hidden danger occurrence probability of the system is combined and the established system probability Petri network model is adopted to perform inference analysis on a discrete event system. By analyzing a probability value of a system hidden danger place in a stable state, positioning on the system hidden danger can be realized.

The invention discloses a model sharing method between a power distribution main station and a terminal. The method comprises the following steps of comparing an update time t1 with a last update time t2, and if t1>t2, updating a power distribution terminal model; obtaining a to-be-updated model; performing mapping association between an IEC61968/IEC61970 model in the power distribution main station and a terminal model based on the IEC61850 standard; comparing with a current mode after the power distribution terminal receives an updated file; uploading a model comparison result by the power distribution terminal; sending an operation instruction by the power distribution main station according to the comparison result; conducting operation by the power distribution terminal according to the operation instruction; and uploading a final update time of the power distribution terminal model by the power distribution terminal. The invention utilizes the mapping function of the IEC61968/IEC61970 and IEC61850 models and provides a powerful guarantee for rapid and accurate position and processing of power distribution network faults.

The invention discloses a multifunctional small water-plane area twin hull, which is characterized in that: a guide pile, a bower anchor, a stern anchor, a side anchor, cables connecting the guide pile, the bower anchor, the stern anchor and the side anchor, and a windlass are arranged on a platform; four heavy punches for the anchors are positioned at the bottom of a submerged body; a spiral propeller is respectively arranged at both sides of the stern and both laterals of the head part of the submerged body. The invention has the advantages that: as the small water-plane area, disturbing force of waves on the platform and resonance between the hull and the wave, as well as range of shaking and swaying for the platform are small, the positioning accuracy and working efficiency are guaranteed in operation, the comfort level and feeling of safety are improved for the personnel, and requirements for large working area of the deck and smallest range of swaying and hoisting are maximally met; since the resistance from the wave and the interference of the water surface is small during the sailing, the sailing is fast and stable and the energy is remarkably saved; free sailing, flexible turning, accurate transverse movement and positioning are realized.

The invention provides a client skin template changing method and device, a client and an electronic device. The method includes: acquiring current model information of terminals and currently used terminal themes thereof, with each model message corresponds to multiple terminal themes; matching new skin templates fitting the current used terminal themes according to the model information, with the new skin templates being not original skin templates of the terminals; when the matching new skin templates are determined, applying the new skin templates to the terminals to replace the original skin templates. By the use of the client skin template changing method, operability of the client can be greatly improved, waste on time and resource is avoided for users, and user experience is improved.

The invention relates to the field of electronic product manufacturing, in particular to a device and a method for regulating electrical parameters. The device for regulating the electrical parameters comprises an object table, a regulator, an image acquisition module, a transmission module, an electrical parameter acquisition module and a central processing unit, wherein the central processing unit controls the transmission module to move the regulator and the image acquisition module to preset positions according to an image of a circuit board to be regulated, which is acquired by the image acquisition module, and accordingly, the regulator is controlled to regulate a regulating element on the surface of the circuit board to be regulated with respect to the electrical parameters which are acquired from the electrical parameter acquisition module. The device and the method for regulating the electrical parameters have the advantages that: the central processing unit can be utilized for automatically controlling the regulator to be contacted with the regulating element in an accurate and fast locating way, the regulating process also adopts the central processing unit for automatic control according to the fedback electrical parameters, so the operation precision is high and the system error is small.

The invention relates to the technical field of ultrasonic imaging, in particular relates to a method and a device for regulating a sampling frame of an ultrasonic imaging device. According to the technical scheme provided by the invention, the device for regulating the sampling frame of the ultrasonic imaging device utilizes a multi-point touch screen technology and combines information energy processing capability of an ultrasonic device, thereby quickly and exactly locating and regulating the position of the sampling frame and the size of a side frame, enabling the performance of color ultrasonic image display in the sampling frame to be better, and being more convenient to be operated and observed by a user.

The invention relates to a line loss detection method of a power supply circuit. The method is on the basis of the line loss detection method of the power supply circuit. The circuit comprises a metering unit, wherein the metering unit is divided to a circuit metering unit, a power transformation metering unit and a load metering unit according to installation positions, a group of circuit metering unit is arranged, the circuit metering unit is arranged at an input end of a high-voltage power supply circuit, a plurality of output ends of the high-voltage power supply circuit pass through the power transformation metering unit and are then input to an input end of a transformer in a substation, an output end of the transformer is connected to a load by a plurality of inlet circuits, and theinlet circuits are connected in series with the load metering unit before being connected to the load. With the line loss detection method of the power supply circuit, rapid line loss detection and positioning can be achieved.

The invention provides a programmable logic controller which comprises a first storage unit for storing a user program, a program execution unit for executing the user program in the first storage unit, an equipment monitoring unit for monitoring a state of connected equipment, a log maintenance unit and a second storage unit, wherein the log maintenance unit is used for creating a log file and writing execution state information of the program execution unit and state information of the equipment monitored by the equipment monitoring unit into the log file; and the second storage unit is used for storing the log file. The invention further provides a corresponding method. According to the controller and the method, the program execution state information and the state information of the equipment are recorded into the log file, so that the quick and accurate failure location and analysis are facilitated.

The invention relates to a rapid target detection and positioning method applied to an industrial assembly line, and belongs to the technical field of industrial image processing. The invention provides an image information processing method for automatically detecting and identifying objects on an assembly line in industry and accurately positioning the center and angle postures of the objects. According to the method, a parallel multi-thread processing mode is adopted, single-class multi-target and multi-class multi-target rapid detection and accurate positioning can be rapidly and accurately achieved, and a guarantee is provided for a machine arm to accurately grab targets.

The invention discloses a two-dimensional piezoelectric micro displacement driver, comprising a base plate 1 and a lens frame 7. The base plate 1 is in fixed connection with a two-dimensional bidirectional driving mechanism through positioning blocks 5; the two-dimensional bidirectional driving mechanism comprises an external one-dimensional bidirectional driving unit and an internal one-dimensional bidirectional driving unit, wherein the external one-dimensional bidirectional driving unit is fixed to the base plate 1 through the positioning blocks, and the internal one-dimensional bidirectional driving unit is fixed to the external one-dimensional bidirectional driving unit through connecting pieces; the internal one-dimensional bidirectional driving unit is connected to the lens frame 7; the external one-dimensional bidirectional driving unit and the internal one-dimensional bidirectional driving unit respectively generate acting force in mutually perpendicular directions, allowing the lens frame 7 to move along two dimensions. The invention employs a displacement enlargement mechanism based on a triangle amplification principle, and connects enlarged displacements in two orthogonal directions in series; the displacements in two directions actuate independently, and do not couple, thereby reducing control difficulty.

The invention discloses a bridge crane model prediction control method based on data driving. The method comprises the following steps: step 1, determining a controlled variable and a control variable of a system, designing a model prediction controller, parameterizing the controller, designing a performance index, inputting and outputting historical data through an acquisition system, and initializing a database; 2, training a Gaussian process model according to the database to simulate dynamic characteristics of a crane system, designing an operation experiment, and performing the experiment to obtain state data of the system; 3, collecting input and output data through a sensor, updating a historical database of the system, returning to the step 2 until a termination condition is met, and entering the step 4; and 4, continuously learning data to obtain parameters meeting the optimal control performance as a final actual control predictive control model. According to the invention, parameter setting is carried out by using experimental data, a prediction model with excellent performance is learned, and rapid and accurate positioning and anti-swing control targets of the trolley are realized.

The invention relates to a metal pipe fitting positioning drilling and edge-drawing machine, which is formed by installing two fixed bench drills in parallel, wherein one is a drill, and the other is an edge drawing drill; a fixing rack is arranged on workbenches of the two bench drills, and roller wheels and a positioning rack are arranged in a track groove in the upper end of the fixing rack; one end of a bottom plate of the positioning rack is provided with a rotatable connecting shaft and a pipe fitting positioning block, and the other end of the bottom plate of the positioning rack is provided with a slot plate; one end of a clamping plate is arranged on the rotatable connecting shaft, and the other end of the clamping plate is provided with a locking rod; a plurality of groups of pipe clamps are arranged above the bottom plate and below the clamping plate, and guide holes of drill bits are fixedly processed in the clamping plate. With the technology, the two bench drills for drilling and drawing edges are fixed together to complete the drilling and edge drawing works once, so that the labor is greatly saved; due to the track groove and positioning rack design, the positioning rack easily moves on the track groove, cylindrical metal pipes on the positioning rack are quickly installed and fixed, the drilling position is fixed with the guide holes in the positioning rack, the positioning is accurate and quick, and the drilling work efficiency is higher.

The invention discloses electronic equipment and an information processing method. The electronic equipment comprises a first interface unit, a position processing unit and a second interface unit, wherein the first interface unit is used for receiving at least two distance parameters between first electronic equipment and second electronic equipment; the position processing unit is used for determining the relative position relation between the second electronic equipment and the first electronic equipment on the basis of the at least two distance parameters and generating a position prompt message on the basis of the relative position relation between the second electronic equipment and the first electronic equipment; the second interface unit is used for sending the position prompt message to the second electronic equipment.

The invention discloses a multi-sensor fusion and personnel positioning method based on image processing. The multi-sensor fusion and personnel positioning method comprises the following steps: S1, acquiring a three-channel RGB color image and a one-channel multi-line laser ranging image; S2, projecting camera optical coordinates of the RGB color image into laser point cloud coordinates, and projecting the laser point cloud coordinates into 360-degree annular panoramic coordinates; S3, performing target detection frame selection on a pre-trained target by using a deep learning image recognition technology to obtain a target detection bounding box distribution image and an object category distribution image; S4, searching a laser point cloud coordinate of a central point of the target detection frame as a laser ranging value of the target; S5, calculating a monocular distance measurement value of the camera through the target detection frame; and S6, carrying out Kalman filtering on thelaser ranging value and the monocular distance measurement value, and obtaining the final target distance value. The multi-sensor fusion and personnel positioning method is simple, high in real-timeperformance and capable of rapidly and accurately achieving transformer substation personnel positioning.

The invention relates to the technical field of pipe processing, in particular to a device for utilizing circular ventilation holes to locate pipes. The device for utilizing the circular ventilation holes to locate the pipes comprises fixture bodies and workpieces, wherein a central shaft is arranged in the central position of the fixture bodies; fixed racks are arranged on the fixture bodies; side face support pins are arranged on the fixed racks; stepped locating rings are arranged on the fixture bodies; circumferential air slots and plane air slots are respectively and uniformly distributed in the side faces and the bottom faces of the locating rings; circumferential air holes are formed in the circumferential air slots; plane air holes are formed in the plane air slots; a top part pressing plate is arranged above the central shaft. The device for utilizing the circular ventilation holes to locate the pipes can quickly and accurately locate and fix the pipes to be processed, ensures the pipes to be at the appropriate positions when being processed, is convenient to process, and is concise and ingenious in structural design so as to meet the production requirement.

The invention provides a microgrid protection control system, method and device and a storage medium. The system comprises a first detection device, a second detection device, a calculation module, a judgment module and a control module, wherein the first detection device is arranged at a large power grid side and is used for detecting a first voltage and a first current of the large power grid side; the second detection device is arranged at the micro-grid side and is used for detecting a second voltage and a second current of the micro-grid side; the calculation module is used for obtaining a voltage parameter and/or a current parameter; the judgment module is used for judging whether the voltage parameter and/or the current parameter exceed a threshold value; and the control module is used for controlling the on-off state of a public grid-connected point according to the judgment structure of the judgment module. According to the system, the detection devices are arranged at the two sides of the public grid-connected point, and the states at the large power grid side and the micro power grid side are monitored respectively, so that the fault detection and positioning are rapidly and accurately carried out, the key devices in a direct current micro power grid are protected, and it is ensured that other parts in the system can still operate safely and reliably.

The invention discloses an automatic butt-joint positioning and cutting-off structure for a concrete pile head. The automatic butt-joint positioning and cutting structure for the concrete pile head comprises a lifting appliance (1) and a hanging ring (4) and is characterized in that the lower end of the hanging ring (4) is fixed to the small opening end of a positioning conical cylinder (6), a fixing ring (7) is fixed to the lower portion of the large opening end of the positioning conical cylinder (6), a connecting piece (5) is fixed in the hanging ring (4), the lower end of the connecting piece (5) is located on the axial lead of the positioning conical cylinder (6) and connected with the top end of a vertical supporting rod (8) through a ball-head-shaped hinge shaft, the bottom of the fixing ring (7) is fixed to the upper end of a vertical fixing arm (12), a lifting mechanism is installed at the lower end of the vertical fixing arm (12), and the lifting connecting end of the lifting mechanism is connected with a cutting, stripping and chiseling-away assembly. The structure is reasonable, automatic butt joint positioning can be achieved, the position of a broken cut-off surface can be accurately controlled, the situation that the cut-off length is too large or insufficient is avoided, and the construction efficiency is greatly improved.

The invention relates to a C program defect detection-oriented targeted parallel symbol execution method, which comprises a distributed computing system. The distributed computing system comprises a master control node and a plurality of computing nodes, and the task preprocessing and the task assignment of the master control node comprise the following steps of S1, compiling a source code into anintermediate code; S2, carrying out static analysis to obtain the suspected vulnerability points; S3, establishing a program dependency graph; S4, enabling a graph algorithm to traverse a program dependency graph G; S5, putting the sub-graphs into a queue; S6, recording the states of the computing nodes; S7, initializing a computing node; S8, distributing the intermediate codes; S9, traversing aqueue ListTask; S10, enabling each computing node to start a computing task; S11, updating the tuple NS; and S12, enabling the main control node to inform each computing node to end, and receive and gather the processing results submitted by each computing node. According to the invention, the quick and accurate positioning and verification of the source code defect analysis target are realized.

The invention discloses an intensive automobile coverage part die machining workbench. The technical problems that according to a large machine tool machining automobile coverage part die, insert positioning and clamping are difficult, time is wasted for straightening and alignment, and the machining precision is hard to guarantee are solved. The intensive automobile coverage part die machining workbench comprises a workbench body, the workbench body is provided with standard positioning holes, and the upper end face of the workbench body is provided with at least one standard positioning area; each standard positioning area comprises key grooves and screw holes arranged at equal intervals, positioning keys which are in inserting and connecting fit with the key grooves are arranged, positioning pressing blocks are in bolt connection with bolt holes, and inserts are clamped and connected between the positioning keys and the positioning pressing blocks. By means of the intensive automobile coverage part die machining workbench, the multiple inserts can be installed at a time, and machining of the multiple inserts can be finished only through one-time straightening and alignment time;due to application of the grouped modular standard positioning areas, the inserts different in size can be rapidly positioned with high precision, the problem that different tools are needed for positioning and pressing inserts different in size is solved, and tools are saved by about 80%.

The invention proposes a radio monitoring system based on a helicopter, and the system comprises an airborne device and a ground monitoring device. The airborne device comprises a helicopter platformand radio monitoring equipment, and is used for carrying out the radio signal monitoring in the air. The ground monitoring device is connected with the airborne device, and is used for controlling theairborne device according to the monitoring result information of the airborne device. The system provided by the invention can achieve the quick and accurate direct measurement and positioning of aradio emission signal, and reduces the workload of a radio supervision worker.

The invention relates to an automatic fault isolation system for a power distribution network. The system comprises a data acquisition device, a photoelectric isolation device, a main controller, a positioning device, a communication device, a data storage device, a data display device, a power supply device, an upper computer, a cloud server and a user terminal. The system has a simple and automated structure and is very simple in process flow; faults are accurately positioned through the positioning device when a short-circuit problem, a grounding problem and a current or voltage failure happen to the power distribution network, and fault information and position information are sent through the communication device, so that rapid and accurate fault detection and positioning of the powerdistribution network are achieved.

The invention relates to a transtemporal intracerebral hematoma puncture orientator. The orientator comprises a rotatable inverted-T-shaped structure and a supporting and fixing plate, wherein the inverted-T-shaped structure is rotationally installed on the supporting and fixing plate in a pivoted mode; the inverted-T-shaped structure comprises a horizontal arc-shaped rotating plate and a vertical planar plate which is arranged in the vertical direction and perpendicular to the arc-shaped rotating plate, the vertical planar plate is connected with the arc-shaped rotating plate through a sleeve, the arc-shaped rotating plate is a concave plate with an upward opening, one side of the end of the arc-shaped rotating plate is rotationally connected with the supporting and fixing plate through a pivoting shaft, the other side of the arc-shaped rotating plate can rotate on the supporting and fixing plate, the sleeve structure is a semicircular sleeve structure, and the circle center of the cross section of the end of the sleeve coincides with the upper end of the pivoting shaft. The transtemporal intracerebral hematoma puncture orientator is simple in structure, convenient to use, accurate and fast in positioning, capable of adjusting a puncture angle, easy to manufacture, low in cost and worthy of use and popularization.

The quick-positioning operating method for stocks, futures or foreign exchanges includes: (1) the highest opening price of the stocks or futures or foreign exchanges in a past period is used as the cost price of opening position; (2) the point when the closing price of the stocks or futures or foreign exchanges in the period thereafter adjacent to the said past period is balanced with or higher than the said highest opening price is set as buy-in point; (3) when the said buy-in point presents buy the stocks or futures or foreign exchanges; (4) when the closing price of the stocks or futures or foreign exchanges in a future period is lower than the corresponding opening price, sell out the stocks or futures or foreign exchanges. Advantage: easy to learn and simple operation.

The invention relates to a special workpiece fixing device for boring, which includes a workbench. A horizontal positioning screw is respectively installed on the left and right sides of the workbench. A group of longitudinal positioning screws are installed on the front side of the workbench. The horizontal positioning screw and the longitudinal positioning screw A workpiece processing area is formed on the workbench between the screws, and a pressing plate positioned above the workpiece processing area is installed on the rear side of the workbench, and the pressing plate is formed with through holes for boring. The invention is a special workpiece fixing device for boring with simple structure, scientific design and strong practicability. Using this device saves clamping time and improves processing accuracy. One clamp can process two kinds of parts, and the dimensions of the processed parts The accuracy has reached the requirements of the drawings, and the work efficiency has been increased by more than two times.