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106results about How to "Realize dynamic" patented technology

Sudden-onset geological disaster emergency plan digitization system

The invention discloses a geological disaster emergency plan digitization system which comprises a data acquisition transmission layer, a database management layer, a data driving layer and an application layer. The data acquisition transmission layer is positioned at the lowermost part of the digitization system and used for acquiring and transmitting data relating to a geological disaster; the database management layer is positioned on the data acquisition transmission layer and used for storing and processing various data information used in the system; the data driving layer is connected with the database management layer and used for taking charge of managing and supporting various data; the application layer comprises an emergency plan visualization subsystem and a plan dynamic deduction subsystem and is used for managing various functions provided by the system. The geological disaster emergency plan digitization system adopts technical means of a modern computer, a network, IOT (Internet Of Things), a GIS (Geographic Information System), a GPS (Global Positioning System) and the like, researches and develops a digital geological disaster emergency plan and implements high efficiency and visualization in the process of executing the geological disaster emergency plan so as to implement digitization and intelligentization of the geological disaster emergency management work.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Multilayer soil moisture simulation method and multilayer soil moisture simulation system

The invention provides a multilayer soil moisture simulation method and a multilayer soil moisture simulation system. The method comprises the steps of establishing a soil moisture layer equilibrium model, and adjusting the structure of the model by combining a remote sensing technology; acquiring model parameters by the remote sensing technology, and establishing a watershed hydrological spatial information database; and carrying out multilayer soil moisture process numerical simulation by utilizing the adjusted soil moisture layer equilibrium model and the watershed hydrological spatial information database. According to the method and the system, a remote sensing inversion method is coupled with the traditional typical soil moisture layer equilibrium model, so that the model with a clear and definite physical mechanism and simple structure can be established, a certain soil moisture simulation accuracy can be maintained, and spatialization and dynamism of multilayer soil moisture simulation can be realized.
Owner:INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI

Commercial building central air-conditioning load control system interacted with power grid and method thereof

The invention relates to a commercial building central air-conditioning load control system interacted with power grid and a method thereof. The system comprises a data acquisition device, a controllable load calculation device, a control strategy generation device, a strategy plane expert base, a control strategy execution device, a display interface device and an alarm processing device, wherein the controllable load calculation device, the data acquisition device and the control strategy execution device respectively communicate with terminal equipment. Bidirectional interaction between commercial building central air-conditioning and the power grid is realized, so that power supply enterprises can formulate a reasonable load control plan according to the controllable load capacity fed by each commercial building central air conditioner, and the peak clipping function of the commercial building central air-conditioning on the power grid is fully utilized; and moreover, the commercial building central air-conditioning fully exerts demand-side response, the suitability of a building environment is guaranteed, energy conservation of the commercial building is realized, and the economical efficiency of overall power consumption is improved.
Owner:CHINA ELECTRIC POWER RES INST +1

Software service implementation method and system, as well as Java platform

The invention provides a software service implementation method and system based on a Java platform. Application software is packaged into a service implementation component and a remote service component according to an OSGi (open service gateway initiative) normative standard, wherein the remote service component comprises registration information of the service implementation component. The method comprises the steps that software service request information input by a client is received remotely, wherein the software service request information carries service implementation component information; the registration information of the service implementation component corresponding to the service implementation component information is matched in the remote service component, the service implementation component corresponding to the matching result is called according to the matching result and is executed; and an execution result of the service implementation component is obtained and returned to the client. According to the software service system provided by the invention, dynamism and cross-platform operation of the software service are achieved on the premise of low-cost development.
Owner:杭州勒卡斯广告策划有限公司

Automatic monitoring system and method for live pig action

The invention discloses an automatic monitoring system and an automatic monitoring method for live pig action, The system comprises a multi-modular information collecting module, a multi-modular information fusion module and an action recognizing module; the multi-modular information collecting module collects the video information of live pig breeding by a camera, collects the time sequence moving information of a single live pig by a sensor, and sends the collected multi-modular information to the multi-modular information fusion module; and the multi-modular information fusion module performs aligning and synchronizing on the video information and the time sequence moving information, obtains the multi-modular information of each live pig individual, then performs feature extracting and sends the multi-modular characteristics of each live pig individual to the action recognizing module which recognizes the dynamic or static action of each live pig individual. The technical scheme disclosed by the invention fully utilizes the intuition of the video technology in the macroscopic visual performance and the sensitivity of the sensor technology in the microscopic parameter acquiring aspect, thus realizing the precision and the automation on the live pig action monitoring.
Owner:CHINA AGRI UNIV

Satellite orbit gesture visual three-dimensional displaying method

Provided is a satellite orbit gesture visual three-dimensional displaying method. The satellite orbit gesture visual three-dimensional displaying method comprises the steps: (1) building a three-dimensional model, reading a 3DS model in a database, checking whether models are complete or not, sending the 3DS model to a state display if the models are complete, and if the models are not complete, building relevant models, and sending a data request data package to a server and receiving the data request data package at the same time; (2) checking and comparing data in the data package, finding out data needed by the state display, analyzing the data, and dividing the data into two parts, wherein one part of data are ground equipment data, and the other part of data are on-star remote sensing data; (3) for the ground equipment data, extracting time information, calculating sun and moon ephemeris, and calculating the positions of the sun, the earth and the moon, satellite orbit data and the like to be sent to the state display; (4) for the on-star remote sensing data, classifying the data into three types to be displayed, wherein one type of data are health state data, one type of data are component power source state data, and another type of data are gesture information. The state display adopts the OpenGL to carry out three-dimensional model drawing and display.
Owner:CHINA ACADEMY OF SPACE TECHNOLOGY

Client tag management method, client tag management system, computer device and storage medium

The invention provides a client tag management method, a client tag management system, a computer device and a storage medium, which are used for monitoring communication between an agent and a client, recognizing communication content of the client through a voice recognition technology during a communication process of the agent and the client, further extracting keywords associated with behavior characteristics or basic information of the client in client voice, and then updating the existing tag with the extracted keywords. With the method, the system, the computer device and the storage medium provided by the invention, dynamic and automatic updating and management of the client tag can be realized, and the agent is helped to adjust the tag and learn conditions of the client.
Owner:PING AN TECH (SHENZHEN) CO LTD

Method and system for diversion control of network data traffic

The invention discloses a method and system for diversion control of network data traffic, and belongs to the field of network technology. The method comprises detecting data traffic through a core network to obtain detection results of the data traffic of the core network; determining whether to conduct traffic diversion or not based on the detection results of the data traffic of the core network; and if so, conducting traffic local offload for the data. The technical scheme effectively combines traffic detection technology, a dynamic policy control function and traffic offload technology, can achieve an effective grooming of the data traffic, significantly reduces the load on a mobile core network, can achieve dynamic and intelligent diversion decision-making, and is high in user experience.
Owner:CHINA TELECOM CORP LTD

Method and system for making parking space parameters dynamic by region

The invention discloses a method and a system for making parking space parameters dynamic by region. The system comprises a server and a mobile phone. By utilizing the method and the system, the parking space parameters can be dynamic, thus, automatic adjustment of parking space requirements according to the current occupancy state of the parking space resource can be really realized by technical measures in urban parking management, and the defects in static urban parking management are solved. On the other hand, by utilizing the method and the system, the significance of dynamic computation is emphasized, the parking space resource can be used rationally, and moreover, a method for dynamic computation is also provided. Therefore, a basis for further dynamic statistics is provided, and by virtue of the further dynamic statistics, a powerful support to decision making of urban parking management can be provided.
Owner:张忠义

Dynamic application program updating method and device

Embodiments of the invention provide a dynamic application program updating method and device. The method comprises the following steps of: after an application program is started, obtaining a resource pack of the application program; verifying whether a new JS service pack exists under a catalog of the resource pack or not; if the verification result is positive, determining whether a script filein the JS service pack is same as a script file currently used by the application program in the aspect of version or not; and if the determination result is negative, loading the script file in theJS service pack and operating the application program. According to the method and device, verification is carried out on service packs in the program loading process so as to decide whether to use script files in the service packs or original script files to operate application programs, so that dynamic logic functions and interfaces can be realized without depending on new versions, the newest versions can be covered in time, enough stability and compatibility can be ensured, and influences of system versions are avoided as much as possible.
Owner:BEIJING 58 INFORMATION TTECH CO LTD

Intelligent cooking control method based on oxygen sensor

The invention discloses an intelligent cooking control method based on an oxygen sensor. The method comprises the following steps: 1, stably outputting a 220V AC voltage; 2, starting to work accordingto a preset Phold; 3, calculating a temperature gradient Kt = (Tc1-Tc0) / (t1-t0); 4, judging whether Kt is equal to a set value or not: if yes, executing the next step, or else, executing the step 6;5, working according to the set Phold, and executing the step 9; 6, judging whether Kt is less than Kt or not: if yes, executing the next step, or else, executing the step 8; 7, working at high powerPmax, and executing the step 9; 8, working at low power Pmin, and executing the step 9; 9, judging whether the oxygen content reaches M or not: if so, executing the next step, or else, returning to the step 3; 10, ending cooking. The method has the advantages that the heating power is adjusted in real time, food is rapidly heated, dynamic and intelligent control over cooking is achieved, and it isguaranteed that cooking is rapidly and well completed.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

Regulation and control cloud data processing method, device and system

The invention belongs to the field of data processing, and discloses a regulation and control cloud data processing method, device and system, and the method comprises the steps that leading node equipment obtains a global scheduling task, decomposes the global scheduling task to obtain a scheduling task, and transmits the scheduling task to cooperative node equipment; a data acquisition range anda data processing rule of each piece of cooperative node equipment are obtained, and the data acquisition range and the data processing rule are sent to each piece of cooperative node equipment; eachpiece of cooperative node equipment receives and executes the scheduling task issued by the leading node equipment; a data acquisition range and a data processing rule issued by the leading node equipment are received; acquired data in the data acquisition range is obtained based on the scheduling task, the acquired data is processed according to a data processing rule to obtain processed data, and the processed data is uploaded to the leading node equipment; and the leading node equipment receives the processing data sent by each piece of cooperative node equipment. The problem that the bandwidth pressure of a wide-area data network is large due to large computing and storage pressure of a cloud center and repeated uploading of data is solved, and the quality of regulation and control cloud data is improved.
Owner:CHINA ELECTRIC POWER RES INST

Trailing effect implementing method and device

An embodiment of the invention relates to the technical field of processing of game effects, in particular to a trailing effect implementing method and device. The method comprises the steps of beforeacquiring a current frame, screening set points which have been stored from quantity dimension and storage time length dimension on the basis of a set threshold value and a set time length, generating a track line for reflecting weapon swinging on the basis of the set points of the current frame and set points obtained by screening, then constructing a track region on the basis of the track line,and rendering the track region to implement the trailing effect of a weapon in the current frame. Therefore, the trailing effect can be implemented dynamically in real time, the trailing effect generation flexibility is improved, and compared with an existing mapping mode, the method has the advantage that the generated trailing effect is more vivid.
Owner:BEIJING PIXEL SOFTWARE TECH

Intelligent control system for mixing plant

An intelligent control system for a mixing station is composed of a hardware system and a software system. Aiming at the production process and motion control process of the concrete mixing plant, the control mode combining upper and lower locomotive machines is adopted, and the composition principle of the system hardware, software design process and DDE communication program design method are analyzed in detail. The upper computer control system is developed with WinCC configuration monitoring software, which realizes the automatic control and data management of the mixing station site. Aiming at the problems of poor batching precision and low production efficiency, a fuzzy PID control method is proposed, and the accuracy of batching control is improved by online tuning of PID parameters. The field test shows that the intelligent control system of the mixing plant is stable and reliable. It has the advantages of low cost, friendly man-machine interface and high production efficiency, and can meet the requirements of the intelligent control system of the mixing station.
Owner:李福来

Method and system for realizing set top box menu

The invention discloses a method for realizing set top box menu 3-D effect, comprising the following steps: building a cubic 3D model; confirming a plane equation of each plane of the cube; building an apex listing of the cube; designating a rotating shaft to rotate the cubic 3D model; calculating new location of the apex listing and confirming a new plane equation of each plane of the cube according to the new location of the apex listing; opening up a internal memory buffer zone, establishing a memory bitmap and drawing menu display content on the memory bitmap to form a chartlet; establishing depth buffer of the chartlet in a depth buffer zone; confirming position of a certain point on the chartlet according to the new plane equation of the cube and filling the color of the position of the point on the chartlet into depth buffer; finally displaying the chartlet on the screen.Based on the method and the system of the invention, the set top box menu enjoys 3-D and dynamic effect when propping up, blanking and selected.
Owner:KONKA GROUP

WEB dynamic security defense method and system

InactiveCN110381049AImplement virtualizationImplement one-shot transcodingTransmissionWeb applicationWeb service
The invention discloses a WEB dynamic security defense method and system. The method is based on a moving target defense technical thought. The invention provides an active dynamic defense mechanism for a WEB service system. When the protected WEB application service system is not attacked, the service entry or the resource address is actively transformed, so that the information of the backgroundof the server is effectively hidden and protected, the dynamics and uncertainty of the attacked surface of the system are realized in a randomized dynamic coding technical mode, the difficulty of network attack implementation is improved, and the anti-attack capability of the WEB application service system is effectively enhanced.
Owner:浙江智贝信息科技有限公司

Network security dynamic defense system and method based on big data

The invention discloses a network security dynamic defense system and method based on big data. The system comprises a big data module, a dynamic defense module, a backup module and a monitoring module, the big data module and the dynamic defense module are both bidirectionally connected with the monitoring module; and the backup module is used for all data and attack behavior data in the data module, the dynamic defense module and the monitoring module. Abnormal behaviors in a data packet are positioned and analyzed through a big data module, active defense and passive defense are matched, a dynamic defense model with attacking and defending view angles is established, an attacker is actively spoofed, the sight of the attacker is disturbed, and the attacker is decoy to carry out attack by setting a honeypot, so that the attack time is prolonged and the attack efficiency is improved. The opportunity is provided for the defense model to implement the defense scheme, the dynamic, real-time and active defense of the defense system is finally realized, and the defense effect is good.
Owner:上海磐御网络科技有限公司

Farmland tenure publicity map automatically generating method

The present invention discloses a farmland tenure publicity map automatically generating method, and realizes automated production of a contracted land tenure publicity map in the work for rural land right. At present, most of professional softwares for publicity map production require to take a corresponding administrative map layer as a range control map layer for an mapmaking operation. However, in practice, a contracted land tenure publicity range takes a group as a unit, most of administrative division data in most areas is accurate to a village boundary, and existing mapmaking software does not yet well solve a problem that automatic mapmaking is difficult to be realized under the circumstances of lacking for the range control map layer. In addition, due to limitation of a mapmaking printing device, an actual mapmaking range of the publicity map also has limitation. When producing the publicity map in a large scale in most times, framing processing on the map layer is required to be carried out; and the existing software requires a large amount of manual operations to implement layer framing with a low automation degree. For the two shortcomings, the method disclosed by the present invention combines a computer technology with a geographic information technology, so that automation and intelligence of a farmland tenure publicity map production process are realized, production efficiency and accuracy are improved, and a large quantity of time and labor costs are saved.
Owner:江苏金沙地理信息股份有限公司

Excel annotation-based report generation method

The invention relates to an Excel annotation-based report generation method. The method comprises the following steps: defining a script format, and generating a data dictionary and an analytic program; generating an Excel report file; judging whether cells of the Excel report file needs automatically filling in or not, if yes, adding Excel cell annotation according to the data dictionary, and binding database content; if not, directly adding the Excel cell annotation, and describing basic information of a report; calling the report file by utilizing the analytic program to form a result report. Compared with the prior art, the Excel annotation-based report generation method has the advantages of being wide in applicability, simple to manufacture, convenient to change, simple in software maintenance, low in professional requirement and the like.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Method for quickly estimating earthquake magnitude based on fusion of multiple types of data sources

The invention discloses a method for quickly estimating earthquake magnitude based on fusion of multiple types of data sources. The method disclosed by the invention has the benefits that the method for quickly determining the earthquake magnitude by the combined use of high-frequency GPS, strong vibration and multiple types of seismic data is proposed aiming at different applicable scope of various early warning earthquake magnitude calculation methods; the problem that when only a single method is used for determining the earthquake magnitude, the misreport is easy to occur as well as the problem that when initial P wave records are used for determining the earthquake magnitude, the earthquake magnitude saturation is easy to occur is solved, the dynamic and continuous determination on the earthquake magnitude is realized, and the magnitude estimate accuracy is improved to a greatest extent; the method can be applied to an earthquake early warning system, thereby effectively reducingthe misreport rate of the system.
Owner:山东省地震局

Vehicular LNG (liquefied natural gas) cylinder measurement information remote monitoring system and vehicular LNG cylinder measurement information remote monitoring method

The invention discloses a vehicular LNG (liquefied natural gas) cylinder measurement information remote monitoring technology. A transmitting device comprises an acquiring and processing module and a GPRS (general packet radio service) module; the acquiring and processing module is used for acquiring and processing measurement information; the GPRS module is communicated with a remote host end; the remote host end comprises internet connecting equipment, a host server, a database server and a client; the host server is communicated with the transmitting device through the internet connecting equipment; the measurement information is stored by the database server; the measurement information is stored in the database server in an XML (extensive markup language) text formatting mode, and is transmitted between the host server and the database server through information requesting and responding; XML texts are transmitted between the client and the host server through XML text requesting and responding; the client operates so that the XML texts are displayed into HTML (hypertext markup language) texts; and the HTML texts are shown as the measurement information in a web page mode by the client. By the vehicular LNG cylinder measurement information remote monitoring technology, the measurement information of the spot transmitting device for gas cylinders can be monitored by a web page end of the client, and the information of the gas cylinders can be dynamically displayed on web pages.
Owner:SHANGHAI RENYWELL TECH

Method, device and system for flow control and medium

InactiveCN109978486ASolve the problem of not being able to dynamically configureRealize dynamicOffice automationControl flowService control
The invention provides a method for flow control. The method comprises the steps of obtaining level information of an initiator of a service in an organization, obtaining a control flow of the level where the initiator is located, and controlling the service according to the control flow of the level where the initiator is located. Wherein the control flow of the hierarchy where the initiator is located is obtained by configuring parameters of each node in the total service control flow according to the hierarchy information, and the parameters of each node comprise whether the node is skippedor not. The invention further provides a device and system for flow control and a medium.
Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1

CBIR method based on improved PQ algorithm

The invention relates to a CBIR method based on an improved PQ algorithm, and belongs to the technical field of image processing. The method comprises the steps of extracting image depth features by improving a deep convolutional network; encoding and compressing the image feature data through an index retrieval module of an inverted index-based product quantization IVPQ algorithm adopting a non-linear retrieval ANN search strategy; obtaining a full-index database, generating indexes of the dynamic index database based on a Faiss framework, segmenting a data space of the full-index database through feature vector coding, quickly locking a certain subspace through Hamming distance rearrangement and then traversing during retrieval of a query picture, and outputting a retrieval image. According to the method, the dynamic retrieval of the index database is realized on the basis of the Faiss framework, and the high operation and maintenance cost generated for reconstructing the index database in the practical application occasion is avoided.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Electrical observation system and method for dam dynamic monitoring

The present invention discloses an electrical observation system and method for dam dynamic monitoring. The system comprises a remote data management platform, a field data management platform, an electrical monitoring data collector, an electrical power supply electrode, a measuring electrode and an electronic signal transmission wire. According to the method, the electrical monitoring data collector is utilized, the electrical power supply electrode, the measuring electrode and the electronic signal transmission wire arranged at the dam, a short straight line-shaped three-dimensional electrical method is adopted, and therefore, the electrical monitoring data of a dam can be dynamically monitored, the change rules of electrical monitoring data during different periods are analyzed, information related to the security of the dam can be extracted, and thus, the long-term dynamic monitoring of the security of the dam can be realized. Since the electrical monitoring data of the dam are dynamically obtained, the change conditions of the interior of the dam can be indirectly identified, and the nondestructive, long-term and dynamic safety monitoring of the dam can be realized. The electrical observation method has the advantages of high predictability and low monitoring costs.
Owner:CENT SOUTH UNIV

CPU for realizing randomization of dynamic instruction sets

The invention relates to a CPU for realizing randomization of dynamic instruction sets, and belongs to the technical field of embedded system safety. The CPU is implemented through the following steps of: generating a random number by utilizing a random number generation circuit; sending the generated random number into a register; randomizing an instruction by utilizing a randomization algorithm and the random number; and adding an instruction translation circuit between an instruction fetching stage and a decoding stage, wherein the circuit comprises a selector, the selector responds to a selection signal so as to determine to send a first path of signal or a second path of signal into a decoder, the first path of signal is an instruction in an instruction pipeline in the instruction fetching stage, and the second path of signal is an instruction obtained by the first path of signal according to the random number stored in the register and an anti-randomization algorithm. Under the support of CPU software randomization, the CPU is capable of realizing the randomization and dynamization of kernels and has good defense effect for code injection type attacks; and compared with the instruction randomization realized by using virtual machines or binary systems, the CPU is capable of reducing the operation loss.
Owner:THE PLA INFORMATION ENG UNIV

Perfusion type bladder bacterial biofilm dynamic hatch simulation system

The invention discloses a perfusion type bladder bacterial biofilm dynamic incubation simulation system and belongs to the technical field of bacterial biofilm incubation systems. The perfusion type bladder bacterial biofilm dynamic incubation simulation system comprises a urine storage device, a peristaltic pump, an incubation box, a urine collector and connecting pipes, wherein the urine storage device, the peristaltic pump, the incubation box and the urine collector are sequentially connected through the connecting pipes; the incubation box comprises a box body and a box cover connected with the box body, a liquid inlet and a liquid outlet are respectively formed in two sides of the box body, the liquid inlet is connected with the outlet of the peristaltic pump through one connecting pipe, and the liquid outlet is connected with the urine collector through one connecting pipe. The perfusion type bladder bacterial biofilm dynamic incubation simulation system has the advantages that persistence and variability of the simulation of incubation conditions of an environment in the bladder are achieved, and dynamicity and diversification of experiment intervention measures become possible.
Owner:SICHUAN PROVINCIAL PEOPLES HOSPITAL

Web information publish administrating system and method

The invention relates to a Web information release management system, which consists of a Web information releaser, a Web information server, an event processing module, a central database and a computer terminal, wherein, the Web information releaser releases information; the Web information server manages dynamic pages; the event processing module receives and analyzes the released information and subscription information which are then stored into the central database; the subscription information is maintained; filtration and matching are performed according to attributes of the subscription information, and released information which meets the requirements is transmitted to a subscriber which receives and browses the released information through the terminal provided with an Internetbrowser. A Web information release management method is as follows: a user can select whether to support an information automatic update service; if the user selects the service, an active data flow operation mode based on http protocol is adopted between an event processing unit and the terminal browser, and the released information is transmitted to the browser end in given form and analyzed into an information list; the user can look over related information which meet the subscription conditions only by clicking the list. The Web information release management system and the Web information release management method optimize the office procedure and greatly improve the information release efficiency.
Owner:BEIHANG UNIV

Service interface display method and device of mobile application, terminal and storage medium

PendingCN113377469ASimplify dynamic updatesFacilitate the realization of dynamicExecution for user interfacesHuman–computer interactionServer
The invention discloses a service interface display method and device of a mobile application, a terminal and a storage medium. The method comprises the steps: responding to a display instruction of a target service interface in the mobile application, and sending a service request to a server; receiving target service data returned by the server according to the service request and an interface template identifier corresponding to the target service data; determining target interface template information matched with the interface template identifier in a specified storage space; the target interface template information comprises a target interface template and at least one target script associated with the target interface template; according to target service data and the at least one target script, analyzing a target interface template to obtain a control tree model corresponding to a target service interface; and displaying the target service interface according to the control tree model. According to the invention, the dynamic updating of the service interface in the mobile application is simplified, the updating cost is reduced, and the dynamic issuing of the dynamic service interface and logic is realized.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Traffic pollution early warning method and system thereof

The invention relates to a traffic pollution early warning method and a system thereof. The method comprises the following steps of receiving dynamic traffic data collected by urban road monitoring stations in real time; converting the dynamic traffic data into traffic activity level data required by a pollutant emission estimation model; inputting the traffic activity level data and basic vehicle parameters into the pollutant emission estimation model so as to acquire a vehicle pollutant emission list of an urban road; and when an emission amount of at least one pollutant in the vehicle pollutant emission list exceeds a threshold in a first early warning threshold group and / or an emission intensity of at least one pollutant exceeds a threshold in a second early warning threshold group, emitting early warning notification. The method and the system have an advantage that two factors of an emission amount of the vehicle pollutant and air quality are simultaneously considered so that accurate and timely early warning is realized.
Owner:SHENZHEN SHENGLU IOT COMM TECH CO LTD

Shield tunnel safety state monitoring and early warning device and monitoring and early warning method thereof

The invention discloses a shield tunnel safety state monitoring and early warning device and a monitoring and early warning method thereof. The device comprises a measurement digital camera, a servo system, an inclination angle sensor, and an Mini industrial personal computer, wherein the measurement digital camera is used for shooting a target fixed on the tunnel side wall as an encoding point ina tunnel monitoring area, the servo system is used for carrying the measurement digital camera through mechanical transmission for shooting the same target at different designated positions, the inclination angle sensor is fixed on the side wall of the tunnel and is located at the periphery of the target and is used for measuring an inclination angle of the tunnel, the Mini industrial personal computer is used for controlling operation of the servo system, collecting photos taken by the measurement digital camera and tunnel inclination angels of the inclination angle sensor, performing deformation calculating, analyzing and evaluation, and comparing an evaluation result with a threshold table to perform graded early warning on a tunnel safety state. By means of the device, the tunnel is monitored in real time, the whole information of a tunnel section can be quickly acquired, the physical property of the structure is not damaged by using non-contact measurement, an automation degree of the whole process is high, the timeliness is high, and the operation is simple.
Owner:BEIJING MASS TRANSIT RAILWAY OPERATION CORPORATION LIMITED +1
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