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46results about How to "Timely and accurate detection" patented technology

Abnormal data detecting and processing method and system

The invention discloses an abnormal data detecting and processing method and system. The method comprises the following steps: collecting specific user behavior data within a preset time range; extracting characteristic information in the specific behavior data and determining a data interval of the specific user behavior data according to the characteristic information; when the specific user behavior data exceeds the corresponding data interval, performing a predetermined operation. According to the method, the abnormal transaction data can be timely and accurately detected and correspondingly processed, so that the abnormal data monitoring efficiency is improved and the corresponding risk is lowered.
Owner:北京鸿享技术服务有限公司

Image flicker detection method and device, and image capturing device

Disclosed are an image flicker detection method and device, and an image capturing device. The image flicker detection method includes the following steps: carrying out exposure imaging on an imaging target under irradiation of a light source so as to form image frames; based on mean luminances of pixels of different rows in the image frames, judging whether relative motion of any two image frames exists in an exposure imaging process; if no relative motion exists, based on mean luminances of pixels in different rows in the two image frames, detecting whether flicker signals exist; and if the flicker signals exist, according to the detection result, determining the frequency of the flicker signals. The technical scheme solves a problem that the prior art is incapable of simply, rapidly and accurately detecting image flicker under a motion scene.
Owner:SPREADTRUM COMM (SHANGHAI) CO LTD

Adaptive automobile seat system and seat adjustment method

The invention discloses an adaptive automobile seat system and a seat adjustment method, and relates to the technical field of automobile manufacture. The system comprises seats, an adjustment motor for controlling the movement of the seats, a sensor, a storage unit and an electronic control unit. The seat adjustment method implemented by adopting the system comprises the following steps of: detecting and feeding back the weight and figure information of a driver; performing comparison to determine preset values related to physical characteristics of the driver; and controlling the adjustment motor for the seats according to seat coordinates corresponding to the preset values by using the electronic control unit. According to the system and the method, the adjustment of the seats is more accurate and humanized, the influence of individual differences of persons is more taken into account, and the system and the method can be used for persons with different figures, and are more widely applicable.
Owner:HANGZHOU BRANCH ZHEJIANG GEELY AUTOMOBILE RES INST +2

Battery thermal runaway detection methods and devices

InactiveCN110068768ATimely and accurate detection of thermal runaway and diffusionAvoid false positivesElectrical testingThermal runawayRise rate
The invention relates to battery thermal runaway detection methods and devices. The method comprises the steps of obtaining voltage detection data of a plurality of voltage detection points in a battery, and a plurality of pieces of temperature detection data of a plurality of temperature detection points in the battery; computing a temperature rising rate of the battery according to the pluralityof pieces of temperature detection data; and judging whether thermal runaway occurs in the battery or not according to the plurality of pieces of voltage detection data, the plurality of pieces of temperature detection data and the temperature rising rate. Through utilization of the technical scheme, the plurality of pieces of voltage detection data and the plurality of pieces of temperature detection data can be obtained according to the plurality of voltage detection points and temperature detection points set in the battery, the temperature rising rate of the battery is computed accordingto the temperature detection data, and whether the thermal runaway occurs in the battery or not is predicted through judgment of three aspects of the voltage detection data, the temperature detectiondata and the temperature rising rate. Through utilization of a multi-condition coupled method, battery thermal runaway and diffusion can be detected relatively timely and precisely under a plurality of working conditions.
Owner:CH AUTO TECH CORP CO LTD

Combined advanced drilling exploration method for detecting water-free dissolving cavity and water dissolving cavity in tunnel

The invention discloses a combined advanced drilling exploration method for detecting a water-free dissolving cavity and a water dissolving cavity in a tunnel. The method comprises the following steps of: comprehensively analyzing and judging a karst growth condition and a probable geologic risk in front of the tunnel according to geologic exploration result information, and performing advanced forecast grading on construction geology; performing primary advanced drilling and exploration in a tunnel digging direction of a tunnel face to form a hole A, then performing primary drilling and brazing exploration in the tunnel digging direction, steadily and forwards digging, and cyclically pushing a drilling and brazing exploration hole until the drilling and brazing exploration hole reaches a reserved safe rock disk away from the dissolving cavity; performing drilling exploration to form a hole B in the tunnel digging direction of the tunnel face at the reserved safe rock disk; and comprehensively analyzing, and submitting advanced geologic forecast result information. The method is simple, practical and quick; the test result is reliable; safety prewarning is supplied to great geologic risks such as water burst, sludge burst and deformation collapse; longitudinal section diagrams, cross section diagrams and planar diagrams of ahead dissolving cavities are supplied to tunnel design and construction treatment; and scientific basis is supplied to optimization of the lining section style of the tunnel and supporting and protecting parameters.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP

Exhaust type acid and flame resistant lead acid storage battery used for electric road vehicles

The invention relates to a designing and manufacturing method of an exhaust type acid and flame resistant lead acid storage battery having the advantages of high specific energy, long life, fast charging and no corrosion and used for electric road vehicles. The charging and discharging states and the temperature changes of all 2V single batteries of a 2-48V storage battery are timely monitored through improving the design of the case-lid structure of the lead acid storage battery, the single batteries are connected through adopting whole metallic lead sleeve inserts pre-injected into a battery lid, the bottom of the battery is not provided with a saddle, exhaust plugs are provided with acid and explosive resistant devices, positive and negative electrode plates are designed to be paste type thin electrode plates to substitute thick tubular positive electrode plates, a separation plate can individually adopt an ultrathin glass fiber separation plate or a PE separation plate or combines the ultrathin glass fiber separation plate with the PE separation plate, and an electrolyte adopts a colloidal electrolyte. The above designing and manufacturing method can ensure a case that the storage battery is not detonated by an open fire in the use process, equipment corrosion of acid mist and caused environmental pollution to be eliminated, a rated capacity C3 value to be reached after 1h rapid charging, charging of the battery to be completed within 3h, and the storage battery to have the characteristics of high specific energy, deep cycle and long life.
Owner:崔荣龙

Pumping well monitoring system and monitoring method

The invention discloses a pumping well monitoring system and a monitoring method. The monitoring system comprises a monitoring device, a pumping unit and an electric motor. The monitoring device comprises a microprocessor module, a memory, a motor controller and a pumping well detection module. An input end of the microprocessor module is connected with a data acquisition unit and a parameter setting unit, and an output end of the microprocessor module is connected with a liquid crystal display screen, an early warning device and a balance block adjustment instruction unit. The monitoring method includes a first step of obtaining the fault sample; a second step of judging whether the pumping well is working properly; a third step of judging whether the pumping unit is balanced; a fourth step of calculating and synchronously outputting the efficiency of the pumping well system and the power consumption by lifting one ton of liquid to 100m. According to the invention, the system and method have the advantages of simple structure, reasonable design, easy operation, full function and good use effect, and the pumping well fault diagnosis, the pumping unit balanced state and the efficiency of the pumping well system can be timely and accurately monitored.
Owner:XI'AN PETROLEUM UNIVERSITY

Intelligent security device

The device includes sensors installed on each room, monitoring part of sensor, main control part, communication device, acoustic image device, and monitor. The main control part includes inferential part, information storage part. Each sensor is connected to monitoring part of sensor. Output of the monitoring part of sensor is connected to inferential part, which is connected to information storage part. The output of the inferential part is connected to alarm and communication device. Anomaly quantization calculation is carried out for sensed signal received by the inferential part. Different quantized values through communication device are connected to different objects. The device provides functions of guarding against theft, alarming and obtaining evidence in high reliability.
Owner:ZHEJIANG UNIV OF TECH

Piezoelectric cantilever beam contact vibration-based superficial tissue elastic imaging system

The invention discloses a piezoelectric cantilever beam contact vibration-based superficial tissue elastic imaging system and an imaging method. According to the system, elastic modulus of a tissue or organ to be detected is calculated through detected piezoelectric detection beam contact resonance frequency so as to form an elastic modulus distribution image, and further, quantitative evaluation is performed on the rigidity and a health state of a target to be detected. The system is suitable for elastic imaging of surface layer tissues, particularly elastic imaging of organs such as mammary gland and thyroid gland. The system has high detection sensitivity to hardened tissues and has stronger resolving power to the hardened tissues than touch sensation of fingers of a human body. The resolving power of imaging of the system can reach millimeter level and can finish accurate imaging of edges of the hardened tissues, so that the tissues can be more timely and accurately evaluated.
Owner:PEKING UNIV

Automatic medicine discharge control device and method of automatic medicine selling machine

The invention discloses an automatic medicine discharge control device of an automatic medicine selling machine. The automatic medicine discharge control device comprises a plurality of main control boards, a plurality of motor assemblies, an upper computer and a turning-connection plate, wherein the main control boards are arranged on the bottom surfaces of medicine storage layer boards respectively, each motor assembly is arranged at one end of a corresponding medicine storage groove and is connected with the main control board of a corresponding medicine storage layer, each motor is driven to discharge medicine under the control of the corresponding main control board, a medicine discharge result is fed back, and the turning-connection plate connects all the main control boards and the upper computer. Each motor assembly comprises a motor control circuit board, an infrared emitter, an infrared receiver and a microswitch, where the motor control circuit board is used for controlling the corresponding motor, the infrared emitter and the infrared receiver are used for detecting medicine box downward sliding signals, and the microswitch is used for accurately detecting one-time medicine discharge operation of the corresponding motor. The invention further discloses a control method applied to the automatic medicine discharge control device of the automatic medicine selling machine. Compared with the prior art, the automatic medicine discharge control device of the automatic medicine selling machine is simple in circuit structure, stable in operation, good in expandability, capable of accurately controlling medicine discharge, short in time consumed by medicine discharge and high in success rate.
Owner:许卫刚

Distribution network equipment state evaluation system based on big data analysis

The invention discloses a distribution network equipment state evaluation system based on big data analysis, and relates to the distribution network equipment detection technology field. The distribution network equipment state evaluation system is characterized in that a big data analysis technology is combined with a state evaluation technology, an expert system technology, and an on-line monitoring technology, and the health state of the distribution network equipment is evaluated; health states and reliability of distribution network key equipment in various key phases are evaluated comprehensively, timely, and accurately; detection and maintenance are carried out timely according to an evaluation result, and the safe and reliable operation of the distribution network key equipment are guaranteed, and then a power grid system can work safely and stably. The distribution network equipment evaluation system is advantageous in that by adopting algorithm verification, a state evaluation result is in accordance with the state result of the actual distribution network equipment, and the state evaluation accuracy of the distribution network equipment state evaluation system is improved, and therefore workers can carry out the detection and the maintenance timely and accurately, and the further deterioration of the distribution network equipment is reduced, and the safety of the power grid system is guaranteed.
Owner:ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD

DDoS attack detection method and device, computer equipment and storage medium

PendingCN111181930ATimely and accurate detectionHigh detection and classification accuracyTransmissionComputer equipmentInternet of Things
The embodiment of the invention discloses a DDoS attack detection method and device, computer equipment and a storage medium. The DDoS attack detection method comprises the following steps: acquiringInternet of Things flow of target equipment; performing feature extraction on the Internet of Things flow according to preset DDoS attack features to obtain joint entropy features; training an extremelearning machine algorithm by using the joint entropy features to obtain a DDoS attack detection algorithm; and carrying out DDoS attack detection by adopting the DDoS attack detection algorithm. According to the embodiment of the invention, the joint entropy features in the Internet of Things flow are extracted; the extreme learning machine algorithm is trained by using the joint entropy features to obtainthe DDoS attack detection algorithm; the DDoS attack detection algorithm can be used for carrying out DDoS attack detection; the features of the DDoS attack are combined, the flow characteristics suitable for the Internet of Things environment are extracted, training and flow detection classification are carried out by adopting the extreme learning machine algorithm, the detection classification accuracy is high, the training time is short, and the DDoS attack in the Internet of Things environment can be accurately and timely detected.
Owner:CHINA MOBILEHANGZHOUINFORMATION TECH CO LTD +1

Detection method and device for CC (Challenge Collapsar) attack

ActiveCN107231383ATimely and accurate detectionImprove attack detection efficiencyTransmissionInformation securityWeb page
The invention provides a detection method and device for a CC (Challenge Collapsar) attack and relates to the technical field of network information security. The method comprises the steps of calculating a first prior probability of normal access traffic of a Web page and a second prior probability of CC attack access traffic of the Web page; obtaining a ratio of the normal access traffic and the ratio of the CC attack access traffic, wherein the ratio of the normal access traffic and the ratio of the CC attack access traffic are determined based on sample data; through adoption of a first posterior probability mode, calculating a first posterior probability of the normal access traffic based on the first prior probability and the ratio of the normal access traffic; through adoption of a second posterior probability mode, calculating a second posterior probability of the CC attack access traffic based on the second prior probability and the ratio of the CC attack access traffic; and determining whether the Web page bears the CC attack or not based on the first posterior probability and the second posterior probability. The technical problem that in the prior art, the CC attack cannot be detected timely, effectively and accurately is mitigated.
Owner:HANGZHOU ANHENG INFORMATION TECH CO LTD

Control circuit of alternating-current fan and state detection method of alternating-current fan of air conditioner

The invention discloses a control circuit of an alternating-current fan. The control circuit of the alternating-current fan comprises a controller, a fan driving unit and a current detection unit, wherein the fan driving unit is connected between the controller and the alternating-current fan and is used for starting or stopping the alternating-current fan according to a control signal of the controller; and the current detection unit is connected between the alternating-current fan and the controller and is used for detecting the current of the alternating-current fan and outputting the current to the controller. The invention further provides a state detection method of the alternating-current fan of an air conditioner. The current detection unit is arranged on the control circuit of thealternating-current fan and is used for detecting the working current of the alternating-current fan in real time or regularly, and different working currents reflect different working states of thealternating-current fan; and the working state of the alternating-current fan is detected by directly detecting the working current, so that detection is more accurate and timely, and hysteresis is avoided.
Owner:GUANGZHOU HUALING REFRIGERATION EQUIP +1

Adverse reaction event detection method and device in clinical test, medium and equipment

The invention provides an adverse reaction event detection method and device in a clinical test, a computer readable storage medium and electronic equipment, and relates to the technical field of intelligent medical treatment. The method comprises the following steps: acquiring original data in a clinical test; standardizing the original data to obtain standardized data; and matching the standardized data by utilizing a rule engine so as to detect adverse reaction events in the clinical test. According to the invention, the adverse reaction event in the clinical test can be accurately and timely detected, so a test team can take correction measures, the clinical test is ensured to be executed along a predetermined scheme, the rights, interests and safety of a subject are protected, and theaccuracy and reliability of a test result are improved.
Owner:TIANJIN HAPPY LIFE TECH CO LTD +1

Vector-based map processing method and device

The embodiment of the invention provides a vector-based map processing method and device, and the method comprises the steps: carrying out the matching of an initial vector and an update vector of a target map according to a preset matching rule, and determining a vector matching pair; determining a pose adjustment parameter of the updated vector and a relocation parameter of each vector point in the updated vector according to the vector matching pair; adjusting the update vector according to the pose adjustment parameter and the relocation parameter to obtain an adjusted update vector; according to a matching distance between an initial vector and an update vector in the vector matching pair and an association relationship between the initial vector and the adjusted update vector, determining a confidence coefficient of the update vector; and according to the vector matching pair, the pose adjustment parameter and / or the confidence coefficient of the update vector, determining whether the target map changes.
Owner:AUTONAVI

Automatic medicine dispensing control device and method for automatic medicine vending machine

The invention discloses an automatic medicine discharge control device of an automatic medicine selling machine. The automatic medicine discharge control device comprises a plurality of main control boards, a plurality of motor assemblies, an upper computer and a turning-connection plate, wherein the main control boards are arranged on the bottom surfaces of medicine storage layer boards respectively, each motor assembly is arranged at one end of a corresponding medicine storage groove and is connected with the main control board of a corresponding medicine storage layer, each motor is driven to discharge medicine under the control of the corresponding main control board, a medicine discharge result is fed back, and the turning-connection plate connects all the main control boards and the upper computer. Each motor assembly comprises a motor control circuit board, an infrared emitter, an infrared receiver and a microswitch, where the motor control circuit board is used for controlling the corresponding motor, the infrared emitter and the infrared receiver are used for detecting medicine box downward sliding signals, and the microswitch is used for accurately detecting one-time medicine discharge operation of the corresponding motor. The invention further discloses a control method applied to the automatic medicine discharge control device of the automatic medicine selling machine. Compared with the prior art, the automatic medicine discharge control device of the automatic medicine selling machine is simple in circuit structure, stable in operation, good in expandability, capable of accurately controlling medicine discharge, short in time consumed by medicine discharge and high in success rate.
Owner:许卫刚

Centralized automatic medicine dispensing control device and method for automatic medicine vending machine

The invention discloses a centralized type automatic medicine discharging control device and method for an automatic medicine vending machine. The device comprises an upper computer, a main control board, an adapter plate, a plurality of layer control boards and a plurality of motor assembles. Each layer control board is used for controlling a medicine storage layer and connected with the main control board through the adapter plate, and each motor assembly is used for controlling a medicine storage groove and connected with the layer control board for the medicine storage layer where the corresponding medicine storage groove is located. The main control board and the layer control boards have the two-level address selection function, and therefore the motor assemblies are controlled. Each motor assembly comprises a motor control circuit board, an infrared emitter, an infrared receiver and a microswitch, wherein the motor control circuit board is used for controlling a motor, the infrared emitter and the infrared receiver are used for detecting medicine box sliding-down signals, and the microswitch is used for accurately detecting one-shot medicine discharging operation of the motor. The control method is applied to the device. The centralized type automatic medicine discharging control device is simple in circuit structure, low in manufacturing cost, capable of running stably and long in service life, accurate control over medicine discharging can be achieved, medicine discharging time is short, and the success rate of medicine discharging is high.
Owner:许卫刚
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