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307 results about "Active monitoring" patented technology

Active monitoring makes possible an increase in labor productivity, improvement of machining quality, simultaneous operation of several machines, production of highly precise parts, and use for such operations of relatively low-skilled workers.

Method and device for monitoring and controlling network risks

The invention provides a method and device for monitoring and controlling network risks. The method comprises the following steps: step one, selecting the sample space of network objectives of some network element (NE), carrying out statistic analysis on the sample point data of the sample space, and calculating a dynamic baseline, wherein the network objectives comply with a normal distribution character; step two, according to preset tolerability and the dynamic baseline, determining the upper tolerance limit and the lower tolerance limit of the network objectives as early warning thresholds for triggering an early warning generating mechanism of the predictive network objectives; and step three, judging whether values of the predictive network objectives which are monitored and controlled in real time exceed the early warning thresholds; and if the values exceed the early warning thresholds, triggering the early warning generating mechanism. By realizing a dynamic threshold method, the threshold values can be set more reasonably and accurately, multiple early warning grades can be triggered, accurate monitoring and control for networks is reached, hidden failures in the networks are found, and finally after-event problem analysis of the prior art for the network failures is changed into initiative monitoring and controlling of the network objectives before problems generate, thus effectively ensuring the normal operation of the networks.
Owner:成都亿阳信通信息技术有限公司

Numerical machine tool machining state multi-parameter online active monitoring system and implement method thereof

The invention discloses a numerical machine tool machining state multi-parameter online active monitoring system and an implement method thereof. The system and the method mainly solve the problems that state detection performance indexes of an existing numerical control machine tool are not comprehensive, and closed-loop control during the machining process can not be achieved. The numerical machine tool machining state multi-parameter online active monitoring system comprises a first sensor assembly arranged on a numerical control machine tool servo feeding unit, a second sensor assembly arranged on a main shaft unit, a third sensor assembly disposed on a cooling liquid circulating unit and a multi-channel synchronous data collecting PXI box used for receiving information of collected data. The multi-channel synchronous data collecting PXI box sends related collected state signals to a monitoring computer in real time for analysis, calculation, display and storage, the monitoring computer generates related control instructions according to abnormal or optimized machining state parameters, transmits the related control instructions to a numerical control system of the numerical control machine tool through an Ethernet bus and executes related active control instruments, and accordingly real-time adjustment and control of numerical control machining process states are finished.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Telemetering monitoring method and system of multiparameter automatic early warning and rapid positioning response

The invention discloses a telemetering monitoring method and system of multiparameter automatic early warning and rapid positioning response. The system is composed of a portable monitor carried by a patient, a hospital center monitoring system, a doctor intelligent query terminal, a wireless communication network and the like. The telemetering monitoring method and system of the multiparameter automatic early warning and rapid positioning response are characterized in that 1, accurate positioning on the patient is achieved through a regional positioning function in an inpatient area, and by means of an electronic fence technology, anti-lost and border-crossing alarm for the patient is achieved; 2, a multidimensional pre-warning mechanism comprises automatic monitoring of electrocardio, blood oxygen and breathing of the patient and threshold alarm, automatic alarm of falling of the patient and active alarm of an SOS call; 3, by means of the rapid response function, medical staff can understand the factual condition of the patient at any time such as a ward round and in any place such as a monitoring center, an office and even outside a hospital; 4, monitoring frequency is increased and decreased flexibly, and additional cable laying or system updating is not needed. According to the telemetering monitoring method and system of the multiparameter automatic early warning and the rapid positioning response, a passive monitoring system is changed into an active monitoring system, and the telemetering monitoring method and system of the multiparameter automatic early warning and the rapid positioning response can be applied to hospitals, nursing homes, communities and other areas where patients and old people are concentrated.
Owner:成都瑞迪康医疗科技有限公司

Video monitoring and warning method and system

The invention relates to a video monitoring and warning method, comprising the following steps: when a bayonet monitoring unit detects that a monitored object enters a preset monitoring region, one or more images are shot for the monitored object; the bayonet monitoring unit selects the image with the imaging effect which is in line with the requirements from one or more images to carry out the catch, the optimization and the characteristic extraction of an human face image, the extracted characteristic data is sent to a comparison server, the comparison server calls the characteristic data in a human face characteristic database to be compared with the extracted characteristic data, if the comparison result is consistent, a warning instruction is issued. The invention also relates to a video monitoring and warning system. The video monitoring and warning method and the system adopt the active monitoring, the remote comparison and the warning mode to improve the effectiveness and the activity of the system and reduce the pressure of management staff, thereby being applicable to network video monitoring industry and government safety urban construction and realizing the unified and large-scale people tracking by the mode with more convenience and lower cost.
Owner:CHINA TELECOM CORP LTD

A city traffic dynamic prediction system and method with real time and continuous feature

InactiveCN101188002AMeet real-time requirementsMeet the needs of traffic conditionsForecastingData streamActive monitoring
The invention discloses an urban traffic state predicting system with real-time and continuous characteristics. A real-time traffic data pre-treatment module carries out real-time reception of outside traffic data flows and also pre-treatment of online generalization and characteristic extraction of the data flows and inputs the online traffic parameter prediction done by the traffic state parameter predicting module; an active monitoring module of a predicting model performs real-time monitoring of characteristic changes of traffic data flows and provides real-time feedback and warning in case of limit threshold exceeding; a self-adapting adjusting module of the predicting model actively conducts self-adapting adjustment on the predicting model according to the warning information of the monitoring module; an automatic traffic state recognition module automatically recognizes the present traffic state according to the various predicted traffic state parameters. The invention can help traffic management departments to formulate traffic control and management strategies, thereby improving domestic study and application level in the transportation field, shortening the distance with the international level, enlarging the management capacity and effectively relieving traffic congestion.
Owner:PEKING UNIV

Quantum key distribution system with active monitoring function

The invention discloses a quantum key distribution system with an active monitoring function. The system comprises a sending end and a receiving end. The sending end and the receiving end are connected through a channel for communication in a quantum key distribution process. The quantum key distribution system also comprises a monitoring unit which is used for monitoring the loss of the channel, thereby monitoring whether there is an eavesdropper in the channel or not. The monitoring unit comprises a detection light generation module, a detection light measurement module and a judgment module. The detection light generation module inputs detection light into the channel. The detection light measurement module is used for measuring intensity values of backward transmission light at various preset sampling points when the detection light is transmitted in the channel. The judgment module is used for judging whether there is eavesdropping in the channel according to the changes of the intensity values. According to the system, through addition of the channel eavesdropping monitoring unit in the general QKD (Quantum Key Distribution) system, a location where the channel light loss is abnormal can be actively discovered, namely the location of the eavesdropper can be discovered rapidly, and the hidden danger can be rapidly eliminated.
Owner:ZHEJIANG SHENZHOU QUANTUM NETWORK TECH CO LTD

Active 3D monitoring system for traffic detection

There is provided a system and a method for detecting the presence of an object in a detection zone using a traffic detection system. The traffic detection system includes an optical unit having an emitter module emitting pulses within a predetermined field of emission; a receiver module receiving a part of the pulses reflected by an object in the field of emission toward a field of view of the receiver module, the field of view including a plurality of adjacent detection channels, the receiver module acquiring and converting the received pulses into a corresponding plurality of a digital signal waveforms; an image sensing module providing an image that encompasses the field of emission of the emitter module and the field of view of the receiver module. The method comprises providing a status overlay image for the field of view including the image and a visual indication on the image of an outline of the plurality of adjacent detection channels; positioning the field of view of the receiver module to cover the detection zone using the status overlay image; obtaining the plurality of digital signal waveforms using the traffic detection system; detecting a signal echo in one of the digital signal waveforms at a position within the field of view, the signal echo being caused by the presence of the object in the field of view; determining a location in the field of view for the object using the position; storing the location for the object.
Owner:LEDDARTECH INC
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