Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

770results about How to "Reduce the situation" patented technology

Integrated control method of cold-rolling strip steel flatness and lateral thickness difference

The invention discloses an integrated control method of cold-rolling strip steel flatness and lateral thickness difference, comprising: moderately and mainly controlling the shape of the strip steel section on the upstream rack of a cold-rolling mill, and mainly controlling strip steel flatness on the downstream rack; based on a profiler configured on a No.1 rack inlet of the cold-rolling mill, actually measuring and hot rolling incoming material section shape and flatness and rolling technological parameter measured values of each rack, wherein the rolling technological parameter measured values comprise rolling force and a plate shape regulating mechanism measured value; actually measuring the cold-rolling strip steel flatness on the basis of a shape meter configured on the cold-rollingmill outlet; performing feed-forward control to the shape of the strip steel section by taking the upstream rack, in particular the No. 1 rack as a key point; and performing feedback control to the strip steel flatness by taking the downstream rack, in particular an end rack as a key point to realize integrated control to the cold-rolling strip steel flatness and lateral thickness difference. Theinvention performs integrated coordination control by the strip steel flatness and section shape and reduces cold-rolling strip steel lateral thickness difference on the basis of further improving cold-rolling strip steel flatness quality.
Owner:BAOSHAN IRON & STEEL CO LTD

Image anomaly detection method based on variational auto-encoder

ActiveCN111598881AStrong anomaly detection capabilityLow memory complexityImage enhancementImage analysisData setFeature extraction
The invention discloses an image anomaly detection method based on a variational auto-encoder, in particular to an anomaly detection method integrating a variational auto-encoder and support vector data description, solving the problems of separation of two stages of anomaly detection and feature extraction, limitation of anomaly detection performance and incapability of coping with high-dimensional and large-scale anomaly detection tasks in traditional anomaly detection in the prior art. The image anomaly detection method comprises the steps of collecting image data; performing data set division and data preprocessing; constructing an anomaly detection model based on the variational auto-encoder; training an anomaly detection model; calculating a threshold value for distinguishing normaland abnormal image data according to the trained model; and judging whether the to-be-detected image is an abnormal image or not by using the trained model. According to the image anomaly detection method, support vector data description is adopted to perform distance constraint on the features extracted by the variational auto-encoder, and the extracted features are more suitable for anomaly detection, and the memory complexity is low, and the image anomaly detection method can be applied to high-dimensional and large-scale anomaly detection tasks.
Owner:XIDIAN UNIV

Binocular vision technology adopted commodity identification algorithm for unmanned vending counter

A binocular vision technology adopted commodity identification algorithm for an unmanned vending counter comprises the following steps: preparing data; building a training model, wherein the trainingmodel adopts a yolo v3 model based on a TensorFlow framework; verifying the above model. and determining whether a training result meets expectation; if the expectation is not met, adjusting parameters to perform optimization, and repeatedly executing training process to perform retraining; if the expectation is achieved, deploying the trained yolo v3 model to perform identification of a target commodity; and obtaining images of the target commodity to be identified by utilizing binocular cameras on the unmanned vending counter, and inputting the images to the trained yolo v3 model to identifythe target commodity out. Image acquisition is performed by the binocular cameras, and commodity occlusion or perspective conditions are reduced; target detection is performed by the yolo v3 model, the difficulty and the calculation amount of the identification algorithm are reduced; and the identification accuracy is improved by adding different scales for the target detection, and the good effect of identification on small target commodities is achieved.
Owner:武汉市哈哈便利科技有限公司

Power transmission and transformation equipment fault routing inspection core system based on ultrasonic waves and infrared thermal images

The invention belongs to the technical field of power transmission and transformation equipment routing inspection, and particularly relates to a power transmission and transformation equipment fault routing inspection core system based on ultrasonic waves and infrared thermal images. The power transmission and transformation equipment fault routing inspection core system based on the ultrasonic waves and the infrared thermal images comprises a data acquisition module, a computer, a wireless communication module and a battery power supply system, wherein the battery power supply system is connected with the data acquisition module, the computer and the wireless communication module, the data acquisition module comprises an infrared thermal image sensor, an ultrasonic wave sensor, a protective cover, a holder and a network switch, the wireless communication module comprises a wireless broadband terminal and antennas, the infrared thermal image sensor and the ultrasonic wave sensor are installed in the protective cover arranged on the holder, and the network switch is connected with the ultrasonic wave sensor, the infrared thermal image sensor and the computer. The power transmission and transformation equipment fault routing inspection core system based on the ultrasonic waves and the infrared thermal images has the advantages that the ultrasonic wave technology and the infrared thermal image technology are comprehensively used for detecting faults of electrical devices, accuracy of fault diagnosis is improved, the frequency of missing inspection and the frequency of incorrect inspection are reduced, and the power transmission and transformation equipment fault routing inspection core system based on the ultrasonic waves and the infrared thermal images is high in efficiency, convenient to use, flexible and the like.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Rotary type shaver with head part capable of omnidirectionally floating

The invention relates to a rotary type shaver with a head part capable of omnidirectionally floating, which belongs to a personal care product. The prior rotary type shaver with a floatable shaving surface has the defects that are not easily overcome in shaving speed and shaving comfort level. The rotary type shaver with the head part capable of omnidirectionally floating comprises the head part and a body, wherein the head part comprises a screen head and a screen head seat and is in structural connection with the body through the screen head seat; the screen head is provided with at least one shaver set and also provided with an attaching surface and a shaver seat supporting piece which are matched with the shaver set; the shaver set comprises an outer cutter which forms a shaving surface and an inner cutter which can be driven and perform rotary movements relative to the outer cutter; the screen head seat of the head part is connected with the body through an elastically combined connection mechanism which comprises a shaver shaft component and a supporting spring; meanwhile, a screen head seat shell and a body shell realize the structure inosculation through the same curvatureswhich are mutually matched and the same radius concave and convex spherical surfaces so as to ensure that the head part can float omnidirectionally relative to the body, thus a user can obtain fast and comfortable shaving feelings.
Owner:浙江超人科技股份有限公司

Off-road vehicle wheel free of inflation

The invention discloses an off-road vehicle wheel free of inflation. The off-road vehicle wheel free of inflation is composed of a flexible rim, elastic spokes and a rigid hub. The off-road vehicle wheel free of inflation is normally installed on an off-road vehicle. When the off-road vehicle runs, the off-road vehicle wheel free of inflation bears the action of a complicated road surface, and the flexible rim and the elastic spokes generate elastic deformation under the action of external force. When the external force is eliminated, the flexible rim and the elastic spokes recover. In this way, the external force is effectively buffered, shock of the vehicle is reduced, and the bearing capacity of the vehicle is improved. Through a polyurethane interlayer of a hexagonal structure similar to a honeycomb, the firmness of the wheel is improved, a load is evenly distributed, and therefore the environmental adaptability and the safety are improved. A rubber layer is provided with rubber wheel thorns, and therefore the traction performance and the adhesion performance of the vehicle are improved. The off-road vehicle wheel free of inflation is simple in structure, convenient to replace, high in applicability and suitable for various complicated road surfaces, air leakage and burst are avoided, the shock of the vehicle can be effectively reduced, the bearing capacity and the buffering capacity of a vehicle body are improved, the environment adaptability and the safety are improved, and the traction performance and the adhesion performance of the vehicle are improved.
Owner:JILIN UNIV

Method, device and system for adjusting coverage area of base station

The invention provides a method, a device and a system for adjusting the coverage area of a base station. The method for adjusting the coverage area of the base station comprises the following steps of: acquiring a throughput rate of a sector; if the throughput rate of the sector is more than or equal to a heavy load threshold, acquiring a step value for adjusting downtilt or a transmitting power of an antenna of the sector according to signal quality data which is reported to the sector when a terminal switches the base state or according to a pre-stored reference data table; sending a first adjustment command which carries the step value to the base station to which the sector belongs, so that the base station can adjust the downtilt or the transmitting power of the antenna of the sector according to the step value after receiving the first adjustment command, and the coverage area of the base station is adjusted. By the method, the device and the system, the size of a coverage overlapping area of the base station and an adjacent base station is guaranteed, so that terminals which are positioned in the coverage overlapping area can enjoy normal voice service and data service, the phenomenon of unsuccessful switching or ping-pong switching is avoided, and the communication quality of the terminals in the coverage overlapping area is improved.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

Method and device for automatically monitoring on-the-job state of automatic detonator filling production line personnel

The invention discloses a method and device for automatically monitoring the on-the-job state of automatic detonator filling production line personnel. According to the method, a set of cameras is mounted on each station of a production line to conduct dead-corner-free real-time monitoring on the production line, and the images shot by the cameras are sent to a monitoring room in real time; the monitoring room is provided with an automatic video signal recognition device, the automatic video signal recognition device compares video signals acquired at site with standard video signals shot in the normal production state, and when the comparison result exceeds the set range, the automatic video signal recognition device gives out an alarm signal to remind operators on duty to conduct timely treatment. By means of the method and device, the defect that whether too many employees exist in the automatic detonator filling production line or not, whether employees are normally on guard or not and whether the employees are in the normal working state or not are judged by on-site supervisors at site or verified through monitor videos by monitoring room staff on duty is overcome, and the abnormal state in the production process can be timely found out.
Owner:GUIZHOU JIULIAN IND EXPLOSIVE MATERIALS DEV +1

Low-energy-consumption high-yield method for preparing hydrogen from raw gas

The invention discloses a low-energy-consumption high-yield method for preparing hydrogen from raw gas. The method comprises the following procedures: pre-cleaning; naphthalene removal; transformationand desulfurization; sulfur recovery; refined debenzolization; pressure swing adsorption for hydrogen production; recovery of tail gas; nitrogen production; etc. After pretreatment and naphthalene removal, raw gas is allowed to enter the procedure of transformation and desulfurization so as to obtain more hydrogen and increase the yield of hydrogen, and then desulfurization is carried out in a desulfurization tower; then pure hydrogen is prepared through the procedure of refined debenzolization and the procedure of pressure swing adsorption for hydrogen production; through the procedures of tail gas recovery and nitrogen production, effective hydrogen in desorbed gas is recovered, and hydrogen yield is further increased; and pure nitrogen with a purity of 99% or more is further prepared through a nitrogen production unit. The method provided by the invention substantially reduces the energy consumption of an apparatus for hydrogen production from raw gas, increases hydrogen yield, recovers almost all the effective hydrogen component in the desorbed gas, realizes recovery and graded utilization of each component in the raw gas while guaranteeing low energy consumption and high yield, and by-produces sulfur, pure nitrogen and the other products while preparing pure hydrogen.
Owner:SICHUAN TECHAIRS

Consultation request processing method and device, computer equipment and storage medium

PendingCN109857850AImprove the efficiency of consultation feedbackReduce Q&A interactionsText database queryingSpecial data processing applicationsQuestions and answersQuestion Text
The invention relates to the field of intelligent decision making and discloses a consultation request processing method and device, a computer equipment and a storage medium, to reduce question and answer interaction between an operator and a user, reduce the situation of low efficiency caused by human participation and effectively improve consultation feedback efficiency. The method comprises the following steps: obtaining a consultation request triggered by a user through an application, wherein the consultation request comprisingto-be-answered consultation text information; determining whether the to-be-answered consultation text information being questioning text information or not through a preset text classification model; if being determined that the to-be-answered text informationbeing question text information, to extract a to-be-answered question from the to-be-answered text information; determining the similarity between the to-be-answered question and the historical questioning question according to a preset similarity model; determining target answering content according to the similarity between the to-be-answered question and the historical questioning question; and performing consultation feedback on an answer corresponding to the consultation request.
Owner:ONE CONNECT SMART TECH CO LTD SHENZHEN

Portable tool wear measuring instrument and method for predicting remaining service life of tool through measuring instrument

The invention provides a portable tool wear measuring instrument and a method for predicting the remaining service life of a tool through the measuring instrument and relates to the technology of tool wear measurement. The problems that software/hardware systems of an existing tool wear measuring device is huge, installation and debugging are complex, the service life of a tool is mainly judged by human experience, and judgment is inaccurate are solved. An opening is formed in a shell and used for making the tool extend into the measuring instrument. Cameras and light source lamps are arranged on the periphery of the tool. The brand-new tool is used for cutting a workpiece multiple times according to specific cutting parameters till the tool face abrasion amount reaches the bluntness standard, and cutting time of each time and the tool face abrasion amount are recorded; and the cutting time of each time and the tool face abrasion amount are fitted into a curve through a data processing circuit, and the curve is a service life curve. The abrasion amount of the used tool is measured and compared with the service life curve, so that the service life of the tool is acquired. The portable tool wear measuring instrument is simple in structure, convenient to install and accurate in service life prediction.
Owner:HARBIN UNIV OF SCI & TECH

Serial connection fault arc detection circuit

The invention discloses a serial connection fault arc detection circuit. The serial connection fault arc detection circuit comprises a current sampling circuit (1), a noise suppression and amplification circuit (2), a rectifying circuit (3), a comparison circuit (4) and a control circuit (5), wherein the current sampling circuit (1) is arranged on a live wire of a detected line, and is used for outputting a current detection signal representing the current high frequency component of the live wire; the noise suppression and amplification circuit (2) is used for denoising and amplifying the current detection signal to obtain an alternating current high frequency signal; the rectifying circuit (3) is used for converting the alternating current high frequency signal into a direct current high frequency signal; the comparison circuit (4) is used for comparing the amplitude of the direct current high frequency signal with a preset voltage threshold so as to output a fault arc alert signal; and the control circuit (5) is used for outputting a protection signal according to the fault arc alert signal. The serial connection fault arc detection circuit can improve the accuracy for serial connection fault arc detection, and can reduce the mis-operation and refusal to operation situation for a protection device so as to improve the reliability of a fault arc protection device and realize stable working remotely or in the environment with serious electromagnetic interference.
Owner:GREE ELECTRIC APPLIANCES INC

Grinding device for sapphire wafers and grinding method thereof

The invention discloses a grinding device for sapphire wafers. The grinding device for sapphire wafers comprises a pulp stock barrel, a peristaltic pump and a grinder, wherein a pulp stock trough is arranged on the grinder, and pulp stock enters into the grinder through the peristaltic pump and the pulp stock trough. The grinding method for the sapphire wafers comprises the following steps: 1, preparing the pulp stock: putting in raw materials by levels and layers; 2, controlling pulp stock flows: putting pulp stock accurately; 3, correcting the flatness of the surface of a grinding lower plate: repeatedly measuring by using a long gauge, a short gauge and a dial gauge, and correcting; 4, distributing powder on the surface of a grinding plate; and 5, grinding both sides of each wafer: firstly carrying out light pressing grinding. The grinding method provided by the invention is characterized in that raw material ratio of the pulp stock is optimized, the pulp stock supplying flow is more accurate, the conveying is more even, before normal grinding, light pressing grinding is performed firstly, the problem of wafer breakage during a grinding process can be prevented for the greatest possible, the wafer breakage rate is lowered, the merit factor of grinding is improved, the removing rate during grinding is stable, the problems of over grinding and low removing rate cannot be caused, and the efficiency is relatively high.
Owner:TUNGHSU GRP

Gas metal arc welding 3D material increase repair device and repair method

The invention discloses a gas metal arc welding 3D material increase repair device and a repair method. The device comprises a controller, a four-axis linkage platform, a laser vision sensor, an infrared vision sensor, a clamp and a melting electrode welding torch. The repair method comprises the following steps: mounting a defective workpiece on a repair working table; driving the laser vision sensor to scan a three-dimensional outline of a defect; reestablishing the three-dimensional outline of the defect by using the controller; determining specific welding parameters; driving the near infrared vision sensor to scan a molten pool by using the controller to obtain a time-frequency parameter of an image of the molten pool, generating a compensation control code according to the time-frequency parameter of the image of the molten pool, and correcting the set welding parameters in real time; and after repair is finished, driving the laser vision sensor again to scan the three-dimensional outline of the defect, judging whether the repaired workpiece reaches the standard or not, and if the repaired workpiece does not reach the standard, repairing the defect again until repair of the defect reaches the standard. The gas metal arc welding 3D material increase repair device is simple in structure, convenient to operate, high in reliability and high in adaptability.
Owner:GUANGDONG UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products