24results about How to "Reduce correction" patented technology

The invention discloses a suspension bridge three-dimensional flutter critical wind speed prediction method and system based on segment model parameter correction, and relates to the technical field of bridge engineering. The method comprises the following steps: firstly, carrying out a segment model flutter test of the suspension bridge according to a base-order vibration mode to obtain a flutter critical wind speed and a flutter frequency of the suspension bridge; according to the flutter critical wind speed, a flutter derivative is obtained through interpolation calculation; and based on the principle that the two-dimensional segment model flutter system damping is equal to the three-dimensional full-bridge aeroelastic model flutter system damping, a segment model system mass correction factor is obtained, and then the segment model system mass is corrected. And repeating the steps until the value of the mass correction factor of the segment model system does not change, and taking the flutter critical wind speed obtained by the flutter test of the segment model in the current state as the predicted value of the three-dimensional flutter critical wind speed of the suspension bridge. Compared with a traditional segment model test method, the accuracy of the three-dimensional flutter critical wind speed prediction result of the suspension bridge is remarkably improved, the test operation is simple, and the efficiency is high.

The invention provides a lifting device for highway building construction, and relates to the technical field of guardrail plate lifting. Reinforcing rods are fixedly connected to the two sides of the mounting plate, fixed winches are rotationally connected to the reinforcing rods, a connecting rod is fixedly connected to the middle positions of the two oppositely-arranged reinforcing rods, an adjusting rod is slidably connected to the connecting rod, a movable winch is fixedly connected to the adjusting rod, and a connecting lifting rope is fixedly connected to the connecting rod. The connecting lifting rope is wound and connected to the movable winch and the fixed winch and extends towards one end of the horizontal plane; a clamping mechanism is arranged at the end, close to the horizontal plane, of the connecting lifting rope and used for clamping the guardrail plate. The guardrail plate can be rapidly positioned, and when the guardrail plate is installed on an inclined road condition, the height of the single side of the guardrail plate can be adjusted.

The invention provides an intelligent node seismograph and method for oil exploration, and the method comprises the steps: carrying out the wave impedance feature extraction of each auxiliary waveform data based on seismic waveform data, obtaining a wave impedance attenuation coefficient corresponding to each auxiliary node, and obtaining a wave impedance attenuation coefficient corresponding to each auxiliary node according to the wave impedance attenuation coefficient corresponding to each auxiliary node and an azimuth interval, determining a direction weight corresponding to each secondary node; respectively constructing a correlation model corresponding to each secondary node, and performing seismic data auxiliary correction on the seismic waveform data according to all the correlation models to obtain seismic wave correction data; and finally, seismic wave correction data is adopted for data inversion, petroleum reservoir distribution of the target exploration area is obtained through prediction based on an inversion result, auxiliary waveform data can be collected to construct a correlation model, auxiliary correction can be performed on the seismic waveform data, and therefore underground rock stratum fracture interference in the petroleum exploration process is reduced, and the petroleum exploration efficiency is improved. And the accuracy of oil exploration is improved.

The invention belongs to the technical field of aircraft manufacturing, and discloses a shape control method for a multi-step roll bending skin. According to the shape control method for the multi-step roll bending skin, through the combination of pre-roll bending, machining and regional roll bending, the situation that the shape size of a roll bending formed plate is out of tolerance due to deformation after machining is effectively reduced, the machining precision is improved, shape correction after machining is reduced, the machining difficulty is lowered, and the machining efficiency is improved.

The application discloses a kind of progressive forming device, process and process design method of engine boss component, belong to aerospace equipment technical field, the progressive forming process of engine boss component includes the following steps: S1.to high-temperature alloy material is preheated;S2.high-temperature alloy strip after preheating is handled by progressive die, and the boss component is prepared.The process method disclosed in the application effectively solves the problems existing in the traditional processing method by the continuity of production and high-speed production rhythm of progressive die, combined with material heating temperature control system.The process method has the advantages of improving production efficiency, reducing cost, improving product precision and consistency, and reducing deformation risk, etc., and can realize high-quality, high-efficiency boss product production.

The invention relates to the technical field of high-voltage cable fault detection, and provides a low-sampling high-voltage cable fault positioning method based on head edge correction and waveform quality weighting. The method comprises the following steps: deploying low-power-consumption wave recording terminals at two ends or key nodes of a high-voltage cable joint so as to collect a timestamp sequence when a high-voltage cable fault occurs; calculating a first edge slope, a signal-to-noise ratio and oscillation symmetry triggered by the first edge; calculating a waveform quality correction coefficient of the first edge based on the slope of the first edge, the signal-to-noise ratio of the signal and the oscillation symmetry; based on the timestamp sequence, screening subsequent timestamps strongly associated with the first edge by taking the first edge timestamp as a reference to obtain an effective timestamp sequence; and taking the first edge as a positioning reference, performing fitting correction on the deviation of the first edge by using the effective timestamp sequence and combining the waveform quality correction coefficient of the first edge to obtain a corrected first edge time difference, and further obtaining a fault position through a double-end positioning method.

The invention relates to the technical field of plastic molds, in particular to a plastic mold processing control method and system, and the method comprises the steps: carrying out three-dimensional scanning on a plastic mold; acquiring three-dimensional data of the plastic mold, and comparing the three-dimensional data with a preset value of the plastic mold; the electric spark assembly is used for cutting the plastic mold according to a preset value; according to the plastic mold machining control method and system, an efficient, precise and reliable solution is provided for precise machining of the plastic mold by integrating the advanced three-dimensional scanning technology and the electric spark machining technology, the machining precision and efficiency are improved through the method and system, the machining quality is optimized, and the machining cost is reduced. And the environmental influence is reduced, the processing reliability is enhanced, the cost is saved, and the product competitiveness is improved.

The present invention relates to the technical field of drilling rigs, and discloses a drilling device for construction engineering survey and an intelligent auxiliary system, the intelligent auxiliary system comprising a real-time monitoring module and an auxiliary correction module; the real-time monitoring module is used to monitor the operating status information and environmental status information of the drilling rig body in real time; the auxiliary correction module comprises an environmental difference analysis unit, an environmental anomaly analysis unit, an equipment status real-time analysis unit, a comprehensive unit, a parameter control analysis unit, a control unit and an expected analysis unit. The present invention is provided with an intelligent auxiliary system, which can monitor the operating status and environmental status of the drilling rig body in real time and comprehensively, and through precise analysis and calculation, abnormal conditions can be discovered in time and dynamic parameter adjustments can be made, effectively avoiding construction delays and safety hazards caused by equipment failures or environmental anomalies, improving the intelligence and automation level of drilling operations, and significantly improving the working efficiency and stability of the drilling device.

This invention provides a vehicle control device and a vehicle control method. The driving control device includes a correction unit that performs a first correction process on a desired value when the vehicle is traveling uphill, and a second correction process on the desired value when the vehicle is traveling downhill. The first correction process corrects the desired value to increase the driving speed compared to a situation where the first correction process is not performed. The second correction process corrects the desired value to decrease the driving speed compared to a situation where the second correction process is not performed. During the execution of the first correction process, if a driver assistance device requests emergency braking of the vehicle, the correction unit reduces the correction amount of the desired value in the first correction process compared to a situation where emergency braking is not requested.

A user equipment (UE) and a method of UE initiated beam reporting are disclosed. The UE comprises a radio and processing circuitry, and the processing circuitry is configured to: perform a UE initiated beam reporting procedure, where the beam reporting procedure comprises: transmitting a beam reporting indication message in a first channel via the radio to initiate a beam reporting; and transmitting a beam report in a second channel via the radio; inferring a communication failure of a beam reporting process initiated by the UE; and retransmitting the beam report indication message in a first channel and / or the beam report in a second channel in response to inferring the communication failure of the beam report process initiated by the UE.

The invention discloses a method for accurately manufacturing and assembling an oblique support arm of an arc gate by three-dimensional modeling and lofting, comprising the following steps: S1: creating an upper arm column component; S2: assembling the upper and lower arm columns; creating a lower arm column, an upper arm column positioning block and a lower arm column positioning block to ensure that the assembly position is correct; S3: creating an oblique support arm assembly model; opening the upper and lower arm column assembly model again, suppressing the assembly platform positioning block parts therein, and saving them as an oblique support arm assembly; S4: creating an engineering drawing and an Auto CAD drawing of the three-dimensional model; S5: editing a file using Auto CAD software drawings; the method for accurately manufacturing and assembling an oblique support arm of an arc gate by three-dimensional modeling and lofting can ensure the accuracy of the size and shape of the parts, and at the same time, unnecessary adjustment and correction are not required during the assembly process, thereby reducing labor intensity, and the three-model files are easy for workers to understand, thereby reducing unnecessary errors in the manufacturing process and improving manufacturing efficiency.

The invention discloses an intelligent power line work ticket forming method based on a graphic topology analysis technology, and relates to the technical field of data processing. The method comprises the following steps: acquiring real-time monitoring data of a target power line, and mapping the real-time monitoring data into a structural topological graph of the target power line to obtain a target topological graph; performing fault prediction according to the real-time monitoring data to obtain a fault node and a fault type; determining a work task and a safety measure according to the fault type of the fault node; performing node importance analysis according to the target topological graph, and determining task priorities of fault nodes; and determining the working time of each fault node according to the task priority, generating a work ticket, and executing the work ticket after examination and approval. The work ticket is automatically generated through real-time data monitoring and topology analysis, manual intervention is reduced, the accuracy of data and information is ensured, follow-up work and correction caused by errors are reduced, the accuracy and generation efficiency of the work ticket are improved, and therefore the overall management efficiency is improved.

The present invention provides a robot arm monitoring device and method, and semiconductor process equipment. The robot arm monitoring device includes a vibration detection unit and a distance measuring unit arranged on the robot arm. The vibration detection unit is used to detect the vibration value of the robot arm when taking and placing a wafer in real time, so as to judge whether the robot arm has vibration abnormality according to the vibration value; the distance measuring unit is used to detect the distance between the distance measuring unit and the inner wall of the transmission chamber in three mutually perpendicular directions before or after the robot arm takes and places the wafer, so as to judge whether the robot arm has point position offset according to the distance. In this way, it is possible to monitor whether the robot arm has vibration abnormality in real time when the robot arm takes and places the wafer, reduce or avoid shutdown without warning, and monitor whether the robot arm has point position offset, so as to correct the robot arm in time.

The present disclosure relates to the technical field of laser drilling, and provides a feeding device of a laser drilling machine. The feeding device comprises a rack, a feeding mechanism, a pre-positioning mechanism and a transfer mechanism arranged on the rack. The feeding mechanism is used for continuously providing unprocessed sheets to a feeding station; the pre-positioning mechanism has pre-positioning stations corresponding to a plurality of drilling stations, and is used for array positioning of the unprocessed sheets, so that the plurality of unprocessed sheets form a spatial distribution relationship matching the drilling stations; the transfer mechanism comprises a moving assembly and a suction assembly connected to a moving end of the moving assembly, the suction assembly is used for synchronous suction of the plurality of unprocessed sheets, and the moving assembly can drive the suction assembly to move between the feeding station, the pre-positioning station and the drilling station. The plurality of sheets can naturally form the spatial distribution relationship matching the drilling stations after pre-positioning, and the relative position consistency required by multi-station synchronous processing is stabilized from the source.

The present invention relates to a robot device for performing various processes other than laser processing. A robot device comprises: a robot; a motion control unit; a sensor that detects a value related to the position of a control target part of the robot; a low-speed position information acquisition unit that uses the detection value of the sensor when the robot is operated at a low speed to acquire the low-speed position information of the control target part; a calibration unit that performs calibration between the sensor and the robot using the low-speed position information and the command position; and a learning control unit that uses the detection value of the sensor when the robot is operated according to an action program, the low-speed position information or the command position, and the correction data obtained by calibration to learn a correction amount for reducing the deviation between the action described in the action program and the actual action of the control target part.

The utility model relates to a hoisting tool and a hoisting assembly, and relates to the technical field of energy storage systems, the hoisting tool comprises a rod body, the rod body is provided with a connecting piece, the connecting piece comprises a connecting rod and a locking part arranged on the connecting rod, and the connecting rod and the rod body are coaxially arranged. The hoisting tool is composed of the rod body, the connecting rod and the locking part, the components are simple, the complexity and the failure rate in the using process are reduced, and the hoisting installation efficiency is improved; the connecting rod not only can be used for connecting the hoisting tool and an object to be hoisted, but also can be used for locking and fixing the rod body through the locking part, so that the connection is firmer, the stability and the safety of a connecting part in the hoisting process are ensured, the hoisting tool is effectively prevented from being accidentally loosened or falling off, and the hoisting efficiency is improved. And the risk of accidents on a working site is reduced, the hoisting and mounting efficiency is improved, and the device can be suitable for various different scenes and requirements.

The present application provides an intelligent node seismograph and method for oil exploration. The present application extracts wave impedance characteristics of each auxiliary waveform data based on seismic waveform data to obtain the wave impedance attenuation coefficient corresponding to each sub-node, and determines the azimuth weight corresponding to each sub-node according to the wave impedance attenuation coefficient corresponding to each sub-node and the azimuth interval in which it is located; then, a correlation model corresponding to each sub-node is constructed respectively, and seismic waveform data is auxiliary corrected according to all the correlation models to obtain seismic wave correction data; finally, the seismic wave correction data is used to perform data inversion, and the oil reservoir distribution in the target exploration area is predicted based on the inversion result, and the auxiliary waveform data can be collected to construct the correlation model and the seismic waveform data can be auxiliary corrected, thereby reducing the interference of underground rock fractures in the oil exploration process and improving the accuracy of oil exploration.

The invention belongs to the technical field of metal material machining, and relates to a locking mechanism for metal pipe annealing, an annealing tool and an annealing method. According to the locking mechanism, through the combined design of the neck bush, the lifting mechanism and the adjusting part, the adjusting part is driven by lifting of the lifting mechanism to extend outwards or retract back along the peripheral wall of the neck bush, so that the distance between the adjusting part and the inner wall of the metal pipe is adjusted, and the extending end of the lifting mechanism and the top of the neck bush are locked and fixed; therefore, the locking mechanism and the end of the metal pipe are fixed, it is further guaranteed that the metal pipe is not subjected to size deformation in the annealing process, the straightness and ovality of the pipe are improved, the heat treatment efficiency of the thin-wall metal pipe and the extremely-thin-wall metal pipe is improved, and the pipe yield is increased.

This application relates to a display method, apparatus, and computer device. It involves acquiring an eye image of a user and extracting the user's biometric parameters from the image; obtaining the user's environmental depth information and current inertial measurement data, and determining the user's wearing posture parameters based on these data; inputting the biometric parameters and posture parameters into a preset optical distortion mapping model to determine the distortion compensation amount for correcting the user's vision in the current posture; correcting image frames in the original rendered image based on the distortion compensation amount to obtain the target display image, and then outputting the target display image to the display module of the target display device for display. This solves the dynamic adaptation problem, enables real-time correction of the display image, reduces optical distortion, and improves the user experience.

The application provides a container ship hatch coaming thick plate structure deformation control method, and the specific steps include: grouping each component in the segmentation stage; positioning welding is performed on each component in each group respectively; after the positioning welding is completed, at least part of the components in each group are fixed by using a tool; and in the total assembly stage, construction is performed in the sequence of welding the internal components first and then welding the external components. The above method can effectively control the welding deformation and can greatly reduce the fire correction.

The application discloses a U-shaped plate welding shaping clamping device with a mounting bracket assembly, which comprises a base, an inner shaping structure, an outer shaping structure, a torsion shaping structure and a driving mechanism, the inner shaping structure is located inside the U-shaped plate and is matched with the inner wall of the U-shaped plate with a gap, and is used for limiting the inward shrinkage deformation of the U-shaped plate during welding; the outer shaping structure is located above the U-shaped plate and is in contact with the top of the U-shaped plate, and is used for limiting the outward opening deformation of the U-shaped plate during welding; the torsion shaping structure comprises waist-shaped blocks symmetrically arranged on the two sides of the inner shaping structure, in a non-working state, the waist-shaped blocks are located in the inner shaping structure, in a working state, the driving mechanism drives the waist-shaped blocks to move into the waist-shaped grooves in the side walls of the U-shaped plate, and is used for limiting the torsion deformation of the U-shaped plate during welding; the inner shaping structure, the outer shaping structure and the torsion shaping structure are arranged, the U-shaped plate is shaped in multiple directions, the consistency and stability of the product quality after the U-shaped plate is welded are improved, and the U-shaped plate correction and shaping process is reduced.

The application discloses a special tool for controlling deformation of a drum gear inner tooth sleeve of a flat head sleeve and a heat treatment method, and comprises the following steps: A1, measuring the outer circle radius of a flat head sleeve to be treated and the inner hole radius of the flat head sleeve, and calculating the interference amount, wall thickness and height of a corresponding tool hoop according to the outer diameter of the flat head sleeve; A2, polishing the protruding part of the flat head sleeve and smearing solid lubricant on the surface; A3, preheating the hoop to 100-250 DEG C and nesting the hoop at the drum gear end of the flat head sleeve; A4, according to the repair process requirements of the flat head sleeve, entering a heat treatment furnace to perform stress relief heat treatment; A5, after the stress relief heat treatment is completed, taking out the flat head sleeve from the heating furnace and cooling to room temperature; and A6, after the cooling is completed, performing surfacing, machining, low-temperature tempering heat treatment and the like on the flat head sleeve. Through the accurate calculation of the interference amount, wall thickness and height of the hoop and the steps of preheating, nesting and heat treatment, the method can limit the deformation of the flat head sleeve in the heat treatment process.

The present invention provides an integrated laser measurement device and a laser measurement data processing method, the device includes a semi-enclosed housing, a laser measurement component, a compensation value acquisition component and a correction processing component; the semi-enclosed housing is a box structure with an opening at the bottom, the compensation value acquisition component obtains a roughness compensation value and a displacement compensation value by measuring the surface roughness of the object and the influence of light on the displacement of the object, the laser measurement component measures the roughness and displacement degree of the surface of the object caused by water mist of different sizes and the roughness and displacement degree of the surface of the object caused by dust of different sizes, and obtains the measurement value to be corrected, and finally the correction processing component corrects the measurement value to be corrected by the roughness compensation value and the displacement compensation value. The present invention improves the correctness of the laser result from the two aspects of appearance design and result algorithm correction, and can better weaken or eliminate the influence of water mist and dust on the result.