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338results about How to "High alarm accuracy" patented technology

Device detection and fault early warning system and method in cloud computing environment

InactiveCN107491375AReduce in quantityImprove the efficiency of fault warningHardware monitoringData switching networksTime informationDevice type
The invention discloses a device detection and early fault warning system and method in a cloud computing environment. The system comprises a real-time monitoring module, a monitoring information presentation module, an early fault warning module and a warning module. The method comprises the following steps that firstly, real-time monitoring is conducted, wherein real-time information collection is conducted, and the real-time information is aggregated and presented; secondly, early fault warning analysis is conducted, wherein the collected information is subjected to early fault warning analysis; thirdly, a warning mechanism is triggered, wherein early warning information is classified. The device detection and early fault warning system and method can support protocols, autonomously and controllably select detecting indexes, adapt to different monitoring modes, customizing warning triggering conditions, extending the number of monitoring devices on a large scale and the like according to the types and the number of devices in a cloud computing data center, collection, monitoring, warning and fault positioning can be intensively conducted in a unified system, and the operation and maintenance efficiency is effectively improved.
Owner:INFORMATION COMM COMPANY STATE GRID SHANDONG ELECTRIC POWER +1

Foreign matter invading detecting method and foreign matter invading detecting device

The invention provides a foreign matter invading detecting method and a foreign matter invading detecting device. The foreign matter invading detecting method comprises the following steps that infrared images within the monitoring scope are acquired by utilizing an infrared camera and are transmitted to an image collecting and processing system; whether a suspected foreign matter appears in the monitoring scope or not is determined by the image collecting and processing system according to the infrared images; when the suspected foreign matter appears, the laser light source and a visible light camera are focused on the suspected foreign matter within the monitoring scope, and filling light of laser light is conducted on the suspected foreign matter by utilizing the laser light resource; visible light images of the suspected foreign matter are acquired and transmitted to the image collecting and processing system; image registration and image fusion are conducted on the visible light images and images of the suspected foreign matter area in the infrared images by the image collecting and processing system; and information of the suspected foreign matter is provided by utilizing the fused images, and feature extraction and classification are conducted on the suspected foreign matter by utilizing the information of the suspected foreign matter, automatic identification and alarming for the suspected foreign matter are realized, and abundant and complete image information can be acquired in the time of dark light, dark skies and low visibility.
Owner:BEIJING JIAOTONG UNIV

Mobile phone anti-theft and anti-loss alarming method based on Bluetooth technology

The invention relates to a mobile phone anti-theft and anti-loss alarming method based on the Bluetooth technology. The method comprises the following steps: creating a Bluetooth wireless connection between a mobile phone and an alarm; setting an alarming environment information value; obtaining an alarming distance threshold value Th; detecting a Bluetooth signal-strength value RSSI; estimating the distance Dis between the mobile phone and the alarm according to the received signal strength value RSSI and the alarming environment information value; and giving an alarm once the distance Dis exceeds the alarming distance threshold value Th. According to the invention, the alarm is more accurate with the environmental factor considered for the alarming distance; the alarming distance can be set according the requirement of the users; further, when the maximal transmission distance of the Bluetooth signal is exceeded, the alarm or the mobile phone can perform automatic detection and give an alarm; the current mobile phone GPS information can be automatically obtained and sent to a mobile phone number arranged in advance; and a method for bidirectionally detecting signal strength is adopted, thereby improving the alarming precision.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Intelligent guarding method based on radar and video integration

ActiveCN104821056AGet location coordinates in real timeGet the speed of movement in real timeCharacter and pattern recognitionClosed circuit television systemsRadar detectionImaging data
The invention discloses an intelligent guarding method based on radar and video integration. The intelligent guarding method comprises the steps that 1) radar monitors and video monitors are distributed in a specified monitoring area; 2) the radar monitors performs real-time monitoring, and when entering of an invasion target is monitored, the three-dimensional position coordinates of the monitored invasion target are outputted and early warning information is emitted, and the video monitored are controlled and started to acquire current synchronous images to be outputted simultaneously; 3) the three-dimensional position coordinates monitored by the radar monitors are mapped into corresponding position coordinates in the synchronous images so that radar detection coordinates are obtained; and 4) the invasion target is identified in the synchronous images according to the radar detection coordinates, and whether the invasion target is a target required to be alarmed is judged according to the image data of the identified invasion target so as to confirm alarm information. The intelligent guarding method based on radar and video integration has advantages of being simple in realization method so that intelligent identification and alarm of the invasion target can be realized and alarm accuracy rate is high.
Owner:HUNAN NOVASKY ELECTRONICS TECH

Train early-warning system and train early-warning method

The invention provides a train early-warning system and a train early-warning method. The train early-warning system comprises foreign matter detection sensors, a foreign matter detection processing unit, an outlook server and intelligent terminals, wherein the sensors are installed along a railway or on a preset segment to collect environmental information, and the processing unit receives the environmental information collected by the sensors and judges whether foreign matter exists or nor; when no foreign matter exists, the environmental information is sent to the outlook server, and otherwise, a detection result is generated, the foreign matter is marked so that a foreign matter alarm can be formed and sent to the outlook server; the outlook server receives location and motion information, manual alarm information and active request information from some intelligent terminal, sets an alarm range and an outlook range related to the location, determines the corresponding sensor and sends the environmental information within the outlook range or the foreign matter alarm result within the alarm range and the locations of the other intelligent terminals to the intelligent terminal; the intelligent terminal generates information of the locations of the intelligent terminal and sends the information to the outlook server; when no foreign matter is detected within the alarm range, the intelligent terminal receives and displays the environmental information within the outlook range, and otherwise the intelligent terminal receives the environmental information within the outlook range and gives out an alarm.
Owner:BEIJING JIAOTONG UNIV

Optical fiber sensing natural gas pipeline leakage event identification method and device

The invention relates to an optical fiber sensing natural gas pipeline leakage event identification method and an optical fiber sensing natural gas pipeline leakage event identification device, which relates to the field of a mechanical vibration measurement technology, an impact measurement technology and a pipeline system technology. A time domain feature (Pt) of a pipeline normal operation and leakage status signal, a frequency-domain characterization (Pf) and a noise characteristic (Pn) of an existing pipeline transmission signal and the waveshape recognition are comprehensively analyzed, a leakage confidence coefficient function model is built as follows: R=a1Pt+a2Pf-a3Pn, the leakage of a picked up vibration wave signal is evaluated to judge whether leakage happens to the pipeline or not, and different arithmetical parameters a1, a2 and a3 are arranged to regulate the confidence coefficient module according to the characteristics of the existing pipeline; the time domain, the frequency domain and wave form estimation performed on the leakage signal is that the signal can be accurately identified to be the leakage event according to a time-varying enveloping character and abruptness of the leakage signal and a center frequency distribution character of the stable leakage event signal, based on the feature classification of a stimulated leakage event. The optical fiber sensing natural gas pipeline leakage identification method and the optical fiber sensing natural gas pipeline leakage identification device provided by the invention can monitor the signal abnormalities in time and give an alarm with high accuracy at the primary state of the leakage.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Gas pipeline leakage point detection device and detection method

The invention discloses a gas pipeline leakage point detection device and a detection method, and relates to the field of gas pipeline detection. The gas pipeline leakage point detection device comprises a sensor module, a data transmission module, a fixed IP line, a server, a gas pipeline leakage alarm management system and a management computer. The sensor module acquires flow data, pressure data and infrasonic wave data of a gas pipeline. The data transmission module is connected with the sensor module. The fixed IP line is connected with the data transmission module. The server is connected with the fixed IP line, and the flow data, the pressure data and the infrasonic wave data are uploaded to the server through the data transmission module and the fixed IP line. The gas pipeline leakage alarm management system is installed in the server, receives, calculates and analyzes the flow data, the pressure data and the infrasonic wave data, shows the gas running state and gives an alarm.The management computer is connected with the server and used for managing the gas pipeline leakage alarm management system. By the adoption of the gas pipeline leakage point detection device and thedetection method, gas feature graphs of different road sections are provided, the number of influence factors such as the environment is reduced, the false alarm rate of gas alarms is reduced, and the detection accuracy and the alarm efficiency are high.
Owner:CHANGCHUN WHY E SCI & TECH

Multi-parameter monitoring data analysis method and multi-parameter monitor

The embodiment of the invention relates to a multi-parameter monitoring data analysis method and a multi-parameter monitor. The method includes the steps that sign monitoring data collection is performed on a monitored object to obtain sign monitoring data of the monitored object; wave group feature recognition is performed on electrocardiogram data in the sign monitoring data to obtain feature signals of the electrocardiogram data, heart beat classification is performed on the electrocardiogram data according to the feature signals, heart beat classification information is obtained in combination with electrocardiogram basic law reference data, electrocardiogram event data is generated, corresponding electrocardiogram event information is determined, and whether or not the electrocardiogram event information is preset electrocardiogram abnormality event information is determined; if the electrocardiogram event information is preset electrocardiogram abnormality event information, first alarm information is output; whether or not abnormal data exceeding a corresponding set threshold value exists in one or more of pulse data, blood pressure data, respiration data, blood oxygen saturation data and body temperature data is determined, and other abnormality event information is generated according to the abnormal data; when the abnormal data exceeds the set threshold value, secondalarm information is output.
Owner:LEPU MEDICAL TECH (BEIJING) CO LTD

Low-load bladder urine-volume real-time monitoring and automatic alarming method

A low-load bladder urine-volume real-time monitoring and automatic alarming method comprises the following steps of (1) closely attaching a plurality of test electrodes onto a tested part of a patient and measuring an electric impedance value of a bladder in real time through a biological electric impedance measuring device according to a biological impedance technology; (2) selecting appropriate parameters through a digital filter algorithm, removing an interference signal and improving the signal-to-noise ratio of the electric impedance; updating the maximal electric impedance value in real time, and calculating an impedance threshold value and a variation rate of the impedance threshold value; and (3) establishing an expert diagnosis system through medical knowledge and clinical test experience, fuzzing the impedance threshold value and the variation rate of the threshold value, and establishing a fuzzy rule; and realizing the automatic urine discharging alarm according to the judgment of the fuzzy rule so as to remind the patient to urinate in time or notify the medical personnel. Due to the adoption of the method, the urine volume of the bladder can be accurately and dynamically predicted in real time, an alarm for urination can be issued, the patient is reminded of urinating in real time or the state of an illness can be remotely monitored through a wireless network, more safety and convenience in operation can be realized, and the interference resistance is strong.
Owner:SUN YAT SEN UNIV

Fatigue driving monitoring system and method thereof

The invention relates to a fatigue driving monitoring system and a method thereof. The fatigue driving monitoring system comprises: a vehicle detection device which is used for monitoring the fatigue driving and a monitoring center which is used for discriminating the fatigue driving for a second time. The vehicle detection device further comprises: an image acquisition module, a master control module which is used for processing positioning pictures collected by the image acquisition module and discriminating the fatigue driving, a warning module and a communication module which is used for performing communication connections with the monitoring center. A first time discrimination for the fatigue driving can be performed by the master control module, and according to the discrimination results, a warning is sent out and simultaneously the positioning pictures are sent to the monitoring center for the second time discrimination. And then, a customer service representative of the monitoring center can remind the driver through the communication module. Double discriminations and a warning mode are adopted in the fatigue driving monitoring method disclosed in the invention. An inaccurate alarm probability can be reduced, the monitoring system is simple and costs are low.
Owner:SHENZHEN SEG SCI NAVIGATIONS CO LTD

Active security entrance guard control method and control system

The invention relates to the field of security and particularly relates to an active security entrance guard control method and an active security entrance guard control system. The control system comprises a detection module, an alarming device and a relay connected with the detection module and the alarming device, wherein the detection module comprises a radar and a judgment device connected with the radar and is connected with a power supply; the radar is used for detecting an outdoor condition within a detection range in real time; the judgment device can instantly perform logic judgment if someone or something stands in the detection range; the judgment device can send an electric signal to the input end of the relay if a judgment result is not gate; the relay is used for closing and switching on a circuit to supply power to the alarming device after receiving the electric signal sent by the detection module; the alarming device is used for sounding an alarm after a power supply is switched on. The system can actively detect the outdoor condition, make a judgment on a person having some attempts or a functional object, actively sound the alarm to inform persons in a room and implement monitoring on the outdoor environment, so that the security level is increased; the alarming accuracy is high; the control system is difficult to crack and is low in cost.
Owner:张翔
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