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5476results about How to "Realize intelligence" patented technology

Virtual open network building system and method based on software definition network

The invention discloses a virtual open network building system based on a software definition network. The virtual open network building system comprises a network topological information detection module, a network performance detection module, a network resource integration module, a network resource display module, a user virtual node selection module, a virtual network management module, a network resource virtualization module, a host unit resource virtualization module and a user interaction interface module. A virtual open network building method based on the software definition network comprises the steps that (1) a user logs into the virtual open network building system; (2) the system collects network resource information and visually displays the information to the user; (3) the user finds resources for specific service and provides a service request; and (4) the system provides virtual network customization service for the user. According to the virtual open network building system and the virtual open network building method, the aim of the user for opening and self-building a virtual network is achieved.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Intelligent electric energy meter field test device and test method thereof

The invention relates to an intelligent electric energy meter field test device and a test method thereof. The test device comprises a micro controller, a metering unit, a communication interface unit, a memorizer, an input part, a current acquisition channel and a voltage acquisition channel, a clock module and a pulse input unit; wherein the micro controller receives a control instruction of the input part and sends out an operation signal to the communication interface unit, the memorizer, a displaying part and the clock module; the metering unit carries out filtering, amplifying, sampling and digital signal processing on analogue signals transmitted by the current acquisition channel and the voltage acquisition channel, so as to convert the analogue signals into digital signals, and the digital signals are sent to the micro controller; the communication interface unit carries out data communication with an electric energy meter and downloads a user file from a server, and the user file is uploaded to the micro controller, and data of field test is uploaded and recorded into the server. The invention has the advantage that whether all the functions of intelligent electric energy meter are in normal operation or not can be determined by virtue of field test and diagnosis without interruption of power supply, modifying field primary and secondary loops or changing the state of the relay of the electric energy meter.
Owner:SHENYANG INST OF ENG

User autonomous routing customization system based on software-defined network

Provided is a user autonomous routing customization system based on a software-defined network. The system comprises a network topology information detection module, a network performance detection module, a network resource integration module, a network resource presenting module, a network key point extraction module, a user key point selection module, a route computation module and a user interaction interface module. Also provided is a user autonomous routing customization method based on the software-defined network. The method comprises the following operation steps that (2) a user logs in a system and views current network resource information; (2) the system recommends candidate routing schemes to the user; (3) the user selects one routing; and (4) strategy customization and resource scheduling are performed on a physical network by the system so that customized control of the network is actively performed by the user. An objective that the user autonomously selects the customized routing schemes is realized by the system and method.
Owner:BEIJING UNIV OF POSTS & TELECOMM

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)

Tunnel construction safety monitoring and management system and tunnel construction safety monitoring and management method

The invention discloses a tunnel construction safety monitoring and management system and a tunnel construction safety monitoring and management method. The tunnel construction safety monitoring and management system comprises a monitoring center system, an electromechanical equipment monitoring system, a constructor safety management system, a video monitoring system, a voice broadcast system and a communication system, and the electromechanical equipment monitoring system, the constructor safety management system, the video monitoring system and the voice broadcast system are connected with the monitoring center system through the communication system. Since the invention adopts advanced monitoring and management technology, management personnel can visually know the situation of a tunnel construction site in real time and keep track of the working conditions and motion tracks of on-site constructors and equipment, so that monitoring and management can be more reasonably implemented conveniently; when an accident abnormality takes place, a most reasonable, most effective related measure can be rapidly taken according to data, graphs and emergency solution provided by the system to increase working efficiency and safety, the cause and liability of the accident can be accurately analyzed by recalling the accident, and thereby the modernization, informationization and intelligentization of management and monitoring are realized.
Owner:CHENGDU SYSWARE ELECTRONICS INFORMATION

Tray type automatic supply and retraction equipment

The invention discloses tray type automatic supply and retraction equipment. The equipment comprises a frame and multiple supply cars; a loading area is formed under the frame; a car positioning mechanism is arranged in the loading area; a supply car feed port is formed in one side surface of the loading area in the X direction; and after the support cars enter the loading area from the supply car feed port, the car positioning mechanism locks and positions the supply cars. The frame is provided with a tray hoisting mechanism in the Z direction in an area above the loading area; three layers of tray lifting mechanisms are symmetrically spaced on two sides of the Y direction of the middle part of the frame; a tray carrying mechanism in the X direction is arranged corresponding to two layers of tray lifting mechanisms on the lower side; and a butt joint equipment taking area is formed on the outer side of the tray carrying mechanism. The tray type automatic supply and retraction equipment divides a tray into a mother tray and son trays; for materials with different shapes, only the corresponding son trays need to be replaced, so that the replacement is convenient, and the resource is saved; and a robot is matched to clamp the materials so as to realize the material supply automation and intelligence more efficiently, more accurately and more quickly.
Owner:KUNSHAN BAIAO INTELLIGENT EQUIP CO LTD

Filling method and device thereof for performance data

The invention provides a filing method and a device thereof for performance data, and the method comprises the following steps: getting a sequence of historical performance data records; detecting the internal association among different data items with specific relationship according to the sequence of the historical performance data records; establishing a regression model for mutual fitting for the associated data items with the internal association; and using the corresponding regression model to calculate estimation values of the data items in deletion according to the known values of the associated data items if the deletion of the data items occurs in the performance data records and filling the estimation values to the performance data records in deletion. The modeling method based on mathematical statistics and data mining technology is firstly applied in filling of the performance data in a network management system, thereby realizing scientification, intelligentization and automation of the filling method, not only effectively ensuring the accuracy of data filling, but also greatly improving the filling efficiency of the batch data in deletion.
Owner:BEIJING BOCO COMM TECH +2

Method and conveying system for intelligently and circularly conveying products in vertical lift manner

The invention discloses a method and a conveying system for intelligently and circularly conveying products in a vertical lift manner. The method includes: subjecting product trays on a conveying line to reverse circular conveying between an upper tier and a lower tier, allowing vertical lift circular conveying at two ends of the double-tier conveying line, and setting RFID (radio frequency identification) passive reader-writers on the conveying line. The conveying system comprises the double-tier conveying line, lift conveyers mounted at two ends of the double-tier conveying line and a product tray assembly operating on the double-tier conveying line. The method and the conveying system have the advantages that products are under intelligent conveying control during conveying, multi-point operation with different spans is achieved for a production site, less space is used, conveying efficiency is high, input cost is low, the products can be subjected to data management during line production, the produced products are traceable, and automatic productivity of the whole process can be comprehensively improved.
Owner:KEN DAYSTAR SHANGHAI AUTOMATION SYST

Intelligent parking braking and auxiliary starting control method

The invention discloses an intelligent parking braking and auxiliary starting control method, which includes steps of firstly, initializing an intelligent parking braking controller and reading control parameters stored in a single-chip microcomputer, secondly, reading a vehicular speed signal V, a brake pedal travelling signal Db, an accelerator pedal travelling signal Da, a transmission gear signal Js, an ignition key door switch signal Key, an enable switch signal Button, a front wheel speed signal wf, a rear wheel speed signal wr and a gradient signal Sa, thirdly, invoking and performing an intelligent parking control procedure, an auxiliary starting control procedure, a parking brake automatic retracting control procedure, a long-term parking control procedure, an emergency braking control procedure or manual reset cutting-off control procedure according to the read signals and fulfilled response conditions, fourthly, converting the target torque of a motor according to the motor target braking force calculated from the control procedures, fifthly, calculating the target rotor current of the motor according to the obtained target torque of the motor, and sixthly, controlling the duty ratio of a motor PWM (pulse width modulation) driving control circuit according to the target rotor current of the motor.
Owner:JILIN UNIV

Supporting system and method for intelligent security express logistics

The invention relates to a supporting system and method for intelligent security express logistics. The supporting system comprises an addressing mobile terminal, a receiving mobile terminal, an express mobile terminal, an intelligent security express box and an intelligent cloud platform. The intelligent cloud platform is respectively in communication with the addressing mobile terminal, the receiving mobile terminal, the express mobile terminal and the intelligent security express box; the addressing mobile terminal, the receiving mobile terminal and the express mobile terminal are loaded with APPs for addressing expresses; a controller, an electronic lock, a positioning chip, at least one sensor capable of detecting the parameters of the single environment in the intelligent security express box and a wireless communication module capable of being in communication with the intelligent cloud platform are arranged in the intelligent security express box, wherein the electronic lock, the positioning chip, the at least one sensor and the wireless communication module are connected with the controller. According to the supporting method for the intelligent security express logistics, the intelligent security express box with the electronic lock and the intelligent cloud platform capable of generating box-opening verification codes are introduced, intelligent addressing information recording is achieved, and the security of addressed objects is guaranteed through security arrangements such as the verification codes and conveying-state real-time transferring.
Owner:NINGBO INT LOGISTICS DEV

Passenger travel-oriented intelligent urban public transport system and implementation method thereof

ActiveCN101950479AFlexible control of the number of passengersEasy to get ready for getting on and offArrangements for variable traffic instructionsPublic transport
The invention discloses a passenger travel-oriented intelligent urban public transport system and an implementation method thereof. The public transport system comprises a public transport vehicle-mounted system for taking passengers and a control center for controlling the public transport vehicle-mounted system, wherein the public transport vehicle-mounted system and the control center are connected in a wireless mode; the control center is used for receiving a bus taking command input by a passenger to generate traffic information and send the information to the public transport vehicle-mounted system; the public transport vehicle-mounted system receives the traffic information and travels according to the traffic information; and the control center feeds back journey information to the passenger when the public transport vehicle system travels. The invention is a brand new automated management urban public transport system. The system takes the travel requirements of passengers as a response center, thus a bus in the system is reasonably scheduled through the control center to take passengers at proper stops. The invention also discloses the implementation method of the public transport system.
Owner:苏州创旅天下信息技术有限公司

CPS architecture oriented to intelligent cotton spinning production

The invention provides a CPS architecture oriented to intelligent cotton spinning production. The CPS architecture includes a sensing entity layer, a connection communication layer, a knowledge fusion layer, and a decision control layer. The sensing entity layer senses each entity of a physical world. The connection communication layer transmits the data of all entities in the physical world to an information world. The knowledge fusion layer fuses all resources required by a cotton spinning production cycle and the big data of an environment, analyzes and establishes a digital twin model. The decision control layer, by mining reliable data, forms knowledge based on cotton production, determines a variety of control decision, and commands the various entities of the physical world to work together. The CPS architecture takes the data of the whole process of cotton spinning production as a main line, takes the intelligent sensing as a core, uses the network and massive calculation as a basis, deeply integrates the calculation, communication and control, and realizes the intelligentization of the cotton spinning production process, and provides theoretical support for aspects of high-efficiently configuring various resources, optimizing a production process and improving production efficiency.
Owner:DONGHUA UNIV

Intelligent substation inspection system

The invention relates to an intelligent substation inspection system which comprises a data acquisition subsystem, a data communication subsystem, a server subsystem and a client subsystem, wherein the data acquisition subsystem is connected with the server subsystem through the data communication subsystem; the server subsystem is connected with the client subsystem; the data acquisition subsystem acquires the image and state information of the substation equipment and uploads the information to the server subsystem through the data communication subsystem; the server subsystem stores and displays the received data and remotely controls the data acquisition subsystem; and the client subsystem acquires the historical information of unmanned substation equipment from the server subsystem at any time and is used for remotely and intelligently inspecting the historical information. Compared with the prior art, the system has the advantages that the operating state information and the video image information of the equipment are integrated, and the visual and intelligent inspection of the substation is realized.
Owner:SHANGHAI XINYING POWERTECH

Automobile charging system

The invention discloses an automobile charging system which is applied to a charging station of an electromobile. The automobile charging system comprises a mobile terminal, a charging pole and a cloud server, wherein the mobile terminal is used for receiving an NFC (noise feedback coding) instruction signal and transmitting an instruction signal to the cloud server after analysis treatment; the cloud server analyzes and processes the received instruction signal and generates control instruction information to the charging pole, and the charging pole carries out control instruction operation after receiving the control instruction information, starts charging or closes charging, and feeds back the charging cost information to the cloud server. According to the automobile charging system, the automation and intelligence of automobile charging are achieved, and manpower cost of the charging station is greatly reduced.
Owner:NANJING IOT SENSOR TECH

Intelligent pan with temperature measuring function

The invention relates to an intelligent pan with a temperature measuring function. The intelligent pan comprises a pan body and a handle, and is characterized in that an attached bottom is arranged on the bottom face of the pan body, a thermocouple is arranged at the joint of the pan body and the attached bottom, the detection end of the thermocouple is hidden near the center position of the bottom face of the pan body and makes contact with the bottom face of the pan body, and a temperature measuring structure for directly detecting the center position and periphery of the pan body is formed; a circuit board and a battery are arranged in the handle, a signal acquiring and processing circuit and a wireless signal output circuit are arranged in the circuit board, the signal output end of the thermocouple is connected with the signal input end of the signal acquiring and processing circuit, the output end of the signal acquiring and processing circuit is connected with the input end of the wireless signal output circuit, and the output end of the wireless signal output circuit is externally communicated with kitchen equipment or wireless communication equipment in the mode of transmitting wireless signals outwards. The temperature measuring structure for directly detecting the center position and periphery of the pan body is formed, and the advantages of being uniform in distribution of temperature measuring points, good in hiding performance, firm, durable, safe to use, precise in temperature measuring, wide in temperature measuring range, high in efficiency and simple in manufacturing process are achieved.
Owner:深圳酷平方科技有限公司

System and method for intelligent warehousing checking

The invention discloses a system and method for intelligent warehousing checking. The whole scheme is conducted by an automatic checking robot and a remote management server in a matched mode. A planimetric map corresponding to a warehouse is established through scanning of the automatic checking robot. The automatic checking robot receives orders of the remote management server, moves to the front of a corresponding goods shelf on the basis of the established planimetric map and reads information in goods labels on the goods shelf. The remote management server remotely controls the automatic checking robot, obtains data sent by the automatic checking robot in real time and conducts automatic warehousing management. By the adoption of the scheme, goods in the warehouse can be automatically checked, goods checking efficiency and goods checking accuracy are greatly improved, and warehousing management is intelligentized.
Owner:SHANGHAI SECOND POLYTECHNIC UNIVERSITY

Intelligent house optimizing system based on data excavation

The invention provides an intelligent home optimization system based on data mining, which comprises a user authentication module, a journal memory module, a data extraction module, a data mining algoritic module, a sensor monitoring module, a synchronous renewal module, a database module, a scheduler module, and a communication module. An intelligent home control system is internally added with the function of then data mining algoritic and the communication module which can communicate with other homes to cause that after a home system passes through authentication, the home system counts and analyzes a series of actions of family members after the family members go home, analyzes habits and customs of people by the data mining algoritic so as to obtain some regularity, and then transmits the regularity, namely, associative rules to the scheduler module of the intelligent home control system; the scheduler module transmits a control command to each home which is connected with a central control system; therefore, the system can control home without needing operation of the family members in a humanity intelligent way.
Owner:SUN YAT SEN UNIV

Intelligent vehicle automatic driving system and method in cooperation with intelligent parking lot

The invention makes a request of protecting an intelligent vehicle automatic driving system and method in cooperation with an intelligent parking lot. Intelligent vehicle-mounted equipment comprises a communication module, a vehicle positioning and path planning module, and a detection module. A background service center consists of a communication module and a data management module. The communication module includes a dispatcher part and a service Handler part. A user mobile terminal sends request information of driving into or driving out of a parking lot to the background service center; the background service center sends a parking lot map and a designated terminal position to the vehicle-mounted equipment; the vehicle-mounted equipment carries out global path planning, collects vehicle station and environment information for positioning, plans a local path to control an intelligent vehicle to drive to a terminal point automatically, and sends terminal point arrival information to the background service center; and the background service center sends the terminal point arrival information to the user mobile terminal.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Intelligent online monitoring and pre-warning system for cable operation condition

The invention relates to an intelligent online monitoring and pre-warning system for cable operation condition. The intelligent online monitoring and pre-warning system comprises a monitoring terminal and a monitoring center master station, wherein the monitoring terminal acquires monitoring parameters of the cable operation condition, such as the grounding current of the metal protective layer of the cable, cable joint temperature, combustible gas content, poisonous gas content, oxygen gas content, smoke, water level and manhole cover security, in real time and reports the acquisition data to the monitoring center master station in a timing manner through a wireless network; the monitoring center master station is used for timely carrying out storage, statistic, analysis, display and processing on the reported acquisition data and has functions of acquiring synthetic data of cable operation, monitoring the operation state in real time, displaying image data, pre-warning a fault and giving an alarm, carrying out statistic analysis of information data and the like. The intelligent online monitoring and pre-warning system can provide an effective monitoring method for ensuring the cable trench line security, ensure that the high-voltage cable line runs stably and reliably and greatly improve the power supplying reliability.
Owner:STATE GRID CORP OF CHINA +1

Multi-functional intelligent well cover system

InactiveCN104420482AThe collection is less affected by the environmentImprove reading speedArtificial islandsUnderwater structuresRelevant informationCovering system
The invention discloses a multi-functional intelligent well cover system. The multi-functional intelligent well cover system is characterized by comprising a well cover, an intelligent integration device for performing intelligent processing on the well cover, an information acquisition device for obtaining relevant information of the well cover, and an auxiliary service device for providing application service to the intelligent integration device and the information acquisition device. The multi-functional intelligent well cover system can perform positioning, unique identification, alarm and monitoring on the well cover.
Owner:北京清控人居环境研究院有限公司

Air conditioner control method, server and air conditioner system

The embodiment of the invention provides an air conditioner control method, a server and an air conditioner system, and relates to the technical field of air conditioners. Control over the running state of an air conditioner can be achieved without a user, and intelligent air conditioner control is achieved. The air conditioner control method comprises the steps that input parameters and output parameters of a training sample are determined; a neural network mathematic model showing the mapping relation of the input parameters and the output parameters of the training sample is obtained; the tested training sample is obtained under the preset conditions; the tested training sample is substituted into the mathematic model to conduct neural network training, and a neural network control system is obtained; and the neural network control system is configured to the air conditioner so that the air conditioner can collect the real-time input parameters, the input parameters are input into the neural network control system, the real-time output parameters are calculated, and running of the air conditioner is controlled through the real-time output parameters. The air conditioner control method, the server and the air conditioner system are used for air conditioner control.
Owner:HISENSE (SHANDONG) AIR CONDITIONING CO LTD

Intelligent container or the like and use thereof

The invention relates to an intelligent container or the analogs thereof, which is technologically characterized in that the invention consists of two parts of the installation power and an intelligent terminal with an entrance guard and an electronic lock (an intelligent lock) which is built-in arranged in an antenna integration; by combining with a lifting device, the invention is provided with an intelligent container with a function of lifting self-loading and unloading or the analogs. By integrated application of the technology such as the intelligent terminal combining with satellite positioning, the wireless communication, the RFID radio frequency identification, the network and the computer calculation, the real-time performance, the controllability and the security of freight transportation in the container can be solved and extend to a client as a temporary warehouse, which saves the automobile resources and waiting time and realizes the freight path information management which is a highest level of logistics business that anyone loads or unloads the freight anywhere and at anytime, the freight is in any location and in any status, the recording and monitoring of the freight environmental status in transporting the freight and the freight information and flow business can be inquired, traded and stowage planned on the network.
Owner:沈军

Fuzzy control based automotive intelligent cruise assisted driving system control method

The invention discloses a fuzzy control based automotive intelligent cruise assisted driving system control method. The method includes the steps: firstly, acquiring speed VF of a front key target vehicle, relative distance Sr and real-time speed Vh of a cruiser; judging whether the front vehicle exists or not, and entering an intelligent following mode if yes; otherwise, entering a constant-speed cruise mode; for the intelligent following mode, taking relative distance deviation RD and relative speed deviation RV as input parameters, and taking an output linguistic variable as pedal increment u of an accelerator pedal or brake pedal at one movement; according to the fuzzy rule, determining a fuzzy value of an output variable u; adopting a centroid method to perform defuzzification computation to obtain an accurate controlled variable so as to control throttle percentage or brake pedal travel. By the control method, automatic regulation and trigger control of the throttle percentage and brake pedal travel can be realized at the same time, an integrated control function integrating ACC(active cruise control) and run-stop control can be realized, running safety of an automobile is improved, and driving fatigue of a driver is alleviated.
Owner:LIAONING UNIVERSITY OF TECHNOLOGY

Robot hand-eye calibration method based on laser range finding

The invention discloses a robot hand-eye calibration method based on laser range finding. According to the method, by calculating the coordinates of laser spots under a laser range finder coordinate system, the coordinates of the laser spots under a robot coordinate system are calculated by means of the mapping relation between the laser range finder coordinate system and the robot coordinate system; by capturing pictures of the laser spots on a calibration board through a camera, the coordinates of the laser spots under a pixel coordinate system are calculated, and therefore the mapping relation between the pixel coordinate system and the robot coordinate system is calculated; the mapping relation between a camera coordinate system and the pixel coordinate system is obtained by means of parameters of the camera; and then the mapping relation between the camera coordinate system and the robot coordinate system is calculated according to the spatial switching relation. The method is carried out by emitting the laser spots to the surface of an object through a laser range finder, coordinate information of measurement points is obtained without the need of making contact with the object, in this way, operating errors are reduced, operation is easier, precision is high, manual participation is not needed in a calibration process, and automation and intellectualization are achieved.
Owner:LOTES SHENZHEN

NRIET weather multisource detecting data fusion analysis system

The invention discloses an NRIET weather multisource detecting data fusion analysis system. The system comprises data collection, data quality control, data normalization treatment, background field grid interpolation, multisource data fusion, fusion analysis and three-dimensional weather information display analysis, wherein the data collection is that various weather data of ground and upper airroutine observation, satellite and radar remote sensing observation and pattern background field is acquired; the data quality control is that quality control treatment is carried out on the collected multiple observation data; the data normalization treatment is that the data normalization treatment is carried out on the data which undergos the quality control treatment, and universal standard data interfaces are provided for subsequent modules to be called; the background field grid interpolation is that module input is taken as a background field to be interpolated to three-dimensional lattice points, and three-dimensional background data is acquired; the multisource data fusion is that the observation data is used for fusion, and the three-dimensional background data is revised; the fusion analysis is that based on the data fusion, ground analysis, temperature analysis, cloud analysis, water vapor analysis and balance analysis are further utilized, and further revisal is carried out for diagnostic analysis; the three-dimensional weather information display analysis is that three-dimensional lattice point data undergoing the fusion analysis is displayed, and an interaction analysis function is provided.
Owner:NANJING NRIET IND CORP

Oil field development decision-making system

The invention relates to an oilfield development decision-making system applied to the petroleum exploitation field. Firstly, basic decision-making parameters are automatically collected or artificially recorded into a basic parameter unit 11; then a middle parameter calculating unit 12 selects oil-reservoir engineering methods from a method program collection 23 to perform calculation or selects map-board laws and standard tables from a law standard warehouse 22 to perform deduction; finally, in a final result data unit 13, analog is performed on the obtained decision-making result and similar developed oilfield examples searched from an oilfield development example warehouse 21 to judge the rationality of the decision-making result. The decision-making result is then exhibited on a comprehensive decision-making result display screen 3. On the large screen, the parameters are adjusted on spot. The real-time dynamic adjustment is done comprehensively with reciprocally automatic and artificial methods until a final decision-making result is confirmed. A decision-making knowledge base integrating expert experience, law standards and oilfield development examples is created and the intelligent design of new-area planning proposals and new-area productivity construction proposals is realized.
Owner:中国石化集团胜利石油管理局有限公司

Intelligent door safety control system based on video service and intelligent door safety control method based on video service

The invention provides an intelligent door safety control system based on video service and an intelligent door safety control method based on video service. The intelligent door safety control system comprises a video image acquiring system, a voice system, a network transmitting system, a storage system, a door switch system, mobile terminal equipment, a power supply system and an integrated processor. According to the intelligent door safety control system, by virtue of the three main systems of the video image acquiring system, the voice system and the mobile terminal system and by means of the network transmitting system, multiple intelligent functions of an access control system are realized, and comprise visitor video image acquisition, visitor identification and classification, voice message, voice warning, automatic material receiving, automatic / manual door control switching, power supply detection switching, visitor behavior judging, pre-warning, multiple signal transfer outputs and the like. By virtue of front-end video monitoring, middle-end network transmitting and terminal mobile equipment, a house owner, a visitor and an intelligent door perform an interactive action, so that the service range and applicability of the intelligent door are enhanced. The safety and user use experience of the intelligent door are greatly improved.
Owner:TIANJIN YAAN TECH CO LTD

Digital controlled lathe thermal error measuring compensation system and method

The invention discloses a digital controlled lathe thermal error measuring compensation system and method. The system comprises an eddy current displacement sensor, a platinum resistor temperature sensor, a laser interferometer, a displacement collecting and processing module, a thermal error compensation module and a PC. The platinum resistor temperature sensor measures the temperature of a lathe body heat sensitive point, the eddy current displacement sensor measures heat deformation of a spindle, the laser interferometer measures the locating error of a feeding system, and the spindle and a feeding shaft system are subjected to real-time thermal error comprehensive modeling. The thermal error compensation module compensates for axial heat expansion and radial heat inclination of a spindle workpiece in real time according to the temperature of the heat sensitive point and the coordinate value of a tool. The coupling problem of the digital controlled lathe spindle and the feeding shaft thermal error is solved, the thermal error can be compensated for in real time, and the machining precision of a digital controlled lathe is improved.
Owner:XI AN JIAOTONG UNIV
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