2330results about How to "Does not affect normal operation" patented technology

The invention relates to an intelligent traffic control system and method based on a wireless Mesh ad hoc network. The control system comprises n traffic control nodes, m ZigBee area base stations, a mobile communication base station and a traffic control center, wherein the n traffic control nodes are positioned in all intersections, and all kinds of equipment in the n traffic control nodes are connected by an RS-232 / RS-485 bus; adjacent nodes realize a wireless Mesh ad hoc communication network by a ZigBee technology and exchange traffic data in real time; remote connection is carried out between each ZigBee area base station and the traffic control center by adopting GPRS / CDMA (General Packet Radio Service / Code Division Multiple Access) data transmission equipment through the mobile communication base station; and m and n are respectively integers of 1-100 and 2-256. The system organically combines an advanced ZigBee short-distance wireless communication technology and a modern intelligent network technology; and the control method of the invention adopts a self-coordinating intelligent distribution type control algorithm and can realize the optimal traffic signal control effect.

The invention discloses a binocular vision navigation system based on an inspection robot in a transformer substation. The binocular vision navigation system comprises a robot body, an image collecting system, a network transmission system, a vision analysis system, a route planning system and a robot control system, wherein the image collecting system is arranged in front of the robot body and used for collecting environmental information images of a forwarding road and then uploads the environmental information images to the vision analysis system on the basis of the network transmission system; the vision analysis system detects a barrier in the road area of the transformer substation according to binocular image information collected by the image collecting system and inside and outside parameters of a camera; the route planning system plans a route according to environment information detected by the vision system and timely adjusts the walking routes of the robot, so that the robot can be prevented from being collided with the barrier; and the robot control system controls moving of the robot body according to the route planned by the route planning system. The invention simultaneously discloses a vision navigation method. By means of the system and the method, the self-adaptation ability of the robot to the environment is improved, the autonomous navigation function of the electric robot is really realized in the complicated outdoor environment, and the flexibility and the safety of the robot are improved.

The invention discloses a binocular vision navigation system based on a power robot. The binocular vision navigation system comprises an image collecting system, a vision analysis system and a path planning system, wherein the image collecting system is used for controlling a camera through collecting software to collect environment images on a forward road of the robot, and then transmitting the collected images to the vision analysis system in a wired mode, the vision analysis system is used for detecting barriers according to the binocular image information and camera inner-outer parameter information and transmitting the information to a robot control system, and the patch planning system is used for building a two-dimensional occupied map to carry out path planning according to the environment information collected by the image collecting system and timely adjusting the walking path of the robot when the barriers exist so as to prevent the robot from colliding the barriers. Meanwhile, a vision navigation method is disclosed. Collision with the barriers is avoided, the self-adaptation capacity to the environment is improved, the autonomous navigation function of the power robot is truly achieved in the outdoor complex environment, and the flexibility and the safety performance of the power robot are improved.

The invention relates to the field of rail traffic detection, in particular to a dynamic measurement method of geometric parameters of an overhead contact system. A trolley is disposed on a steel rail and can move along the same. Linear array cameras and a linear laser are disposed on a body of the trolley; a light-emitting face of the linear laser is aligned to the overhead contact system to be measured; the linear array cameras are disposed on two sides of the linear laser; the emitting face of each linear array camera is aligned to face the overhead contact system; after the trolley is pushed and the linear array cameras are started, the linear array cameras are enabled to continuously shoot the overhead contact system to acquire image data along with movement of the trolley on the steel rail; images of the overhead contact system are analyzed and processed according to the technical principle of trigonometric stereo measurement. The method allows geometric parameters and wear of the overhead contact system and the safety state of hangers of the overhead contact system can be dynamically detected continuously and precisely in real time.

The present invention discloses an ultragravitational field rotation bed mass transfer and reaction equipment. Said equipment comprises machine shell, rotor, rotary foam-catching device and transmission device. The described machine shell comprises gas inlet end cover, straight cylinder section and gas outlet end cover; the described transmission device is formed from motor, transmission shaft, supporting bearing and seal system, and the described rotor is formed from dual rotors, and is consisted of two metal frames with shared bottom plate, two phases of gas and liquid can be parallelly-flowed and contacted on one rotor, and on another rotor they are counter-current-wise contacted, and the rotors are fixed on the shaft by means of shared bottom plate. Said invented equipment can be extensively used in the mass transfer and reaction process of multiphase material system of gas-liquid, gas-liquid-solid and gas-liquid-liquid.

The invention discloses a non-scene law enforcement high-speed dynamic weighing detection system and method, and belongs to the field of traffic control. The system comprises a dynamic weighing system, a vehicle license plate recognition system, a variable message sign display system, an opposite-direction driving snapshot system and an upper computer software system. The dynamic weighing system, the vehicle license plate recognition system and the opposite-direction driving snapshot system are in signal connection with the upper computer software system; and the output end of the upper computer software system is connected with the input end of the variable message sign display system. Each vehicle is allowed to form a piece of complete vehicle pass information, comprising vehicle speed, axle load, number of axles, axle base, complete vehicle weight, license plate, speed, pass time and information about whether a vehicle overloads; if the vehicle overloads, a reminding message is sent to the variable message sign display system according to user setting to guide the vehicle to pull in to recheck; and meanwhile, the vehicle license plate information and weight information are displayed on a variable message sign, and are updated to a branch center database, thereby facilitating searching, sharing and analysis of vehicle pass records.

The invention discloses a system and method for quickly inspecting a tunnel defect based on machine vision. The system is arranged on an investigation bearing vehicle. The system comprises a machine vision sub-system used for acquiring the to-be-investigated object image data by a CCD (Charge Coupled Device) camera, a laser ranging sub-system used for measuring an imaging distance of an image acquired by the machine vision sub-system by a laser ranging method, a photoelectric speed measuring sub-system used for providing a corresponding coordinate of the acquired image in a tunnel, a control sub-system used for controlling the laser ranging sub-system and the photoelectric speed measuring sub-system, transmitting the data acquired by the laser ranging sub-system and the photoelectric speed measuring sub-system to a data processing sub-system and triggering the machine vision sub-system to acquire an image and transmit the image to the data processing sub-system, a data processing sub-system used for processing the image acquired by the machine vision sub-system according to the data from the control sub-system, and a power supply sub-system used for providing voltage for other sub-systems. According to the invention, the general tunnel defect can be regularly and quickly inspected and the inspecting process is safe, quick, full-automatic and real-time without influencing normal work of the tunnel.

The invention discloses a modularized detachable constructed wetland, which is formed by a plurality of wetland modules, each module is relatively independent, and the module comprises a plurality of detachable filler units; each filler unit consists of a filler frame, a net separator and a filler layer, and the filler layer comprises a soil layer, a soil separation layer and a porous light filler layer from top to bottom. According to the water quality, the water yield and the water outlet requirement of the treated sewage, the wetland modules can be connected in series and in parallel or compositely connected to constitute a constructed wetland system. The modularized detachable constructed wetland has a simple structure, is convenient to install, is low in cost, and adapts to industrialized batch production. In the operation process of the wetland, the wetland modules and the filler units can be replaced and repaired at any time, the system is not blocked easily, the treatment effect is good, and the land can be reused.

The invention discloses a monitoring method and device of a JAVA application system in running. The JAVA application system monitoring method mainly comprises the steps of: describing a monitored class or method and a monitor control index through a configuration file; (2) modifying starting parameters of an application program, and loading Agent when a JVM (Java Virtual Machine) is started; (3) reading the configuration file by the Agent, and registering an event to be noticed according to a monitoring requirement; (4) obtaining a notice by the Agent when the application program runs and a specified class is loaded; (5) modifying a bytecode of a corresponding class by the Agent, and adding a logic required in monitoring; (6) initializing relevant index variable by the Agent; (7) automatically executing the monitoring logic when the monitored method is called, and obtaining the original data of the relevant index; and (8) computing the value of the relevant index by the Agent according to the description of the configuration file. By applying the JAVA application system monitoring method disclosed by the invention, the ability of an IT (Information Technology) operation and maintenance staff for diagnosing, analyzing, positioning and solving faults of an IT system can be improved remarkably.

The invention discloses a network communication recorder and a network communication record analysis system, which carry out lossless compression storage and reproduction of an access network data stream to further perform multi-layer analysis on communication process so as to assist a maintainer in positioning a failure reason accurately and immediately. The network communication record analysis system comprises a substation communication system for power management; a background host for collecting historical data, data traffic records, real-time alarm information and alarm historical information and also configuring files for the network communication recorder; and a communication network used for completing the data transmission between the background host and the network communication recorder.

The invention discloses a sine wave inverter parallel system with variable current ratio, which is characterized by comprising a monitoring management unit and one or a plurality of inverter power supply modules in redundancy parallel operation; the monitoring management unit is connected with all the inverter power supply modules through a communication signal wire; the inverter power supply modules are mutually connected by the communication signal wires, synchronous signal wires and average current signal wires; and each inverter power supply module is simultaneously connected with a DC (Direct Current) input end and an AC (Alternating Current) output end. The proportion of the load current shared by each module of the parallel system provided by the invention can be set as required so as to meet the requirements on uniform load current sharing (current equalization) by parallel inverter power supply modules with same capacity or load current sharing by the inverter power supply modules with different capacities in the parallel system according to different proportions, so that the parallel function of the inverter power supply modules with different capacities is realized.

The invention discloses a method for remote upgrading of a vehicle-mounted electronic device. The method comprise the following steps: steps 1, upgraded firmware files are uploaded into a specific file folder of a specified FTP server, and relevant parameters of the FTP server are set when the vehicle-mounted electronic device is initialized; steps 2, a host computer of the vehicle-mounted electronic device is informed to execute upgrading commands, so as to enter an FTP upgrading mode; step 3, the host computer of the vehicle-mounted electronic device starts an FTP (File Transfer Protocol) stack to log in the FTP server, a relevant file holder is searched, and specified upgraded files are found out in the file holder; step 4, the host computer of the vehicle-mounted electronic device automatically executes file download, and the downloaded files are stored in a specified storer of the vehicle-mounted electronic device; and step 5, the host computer of the vehicle-mounted electronic device starts a BOOT program, an IAP (Internet Access Provider) program runs, upgraded files downloaded from the FTP server are upgraded and burnt, and after burning, a latest program runs, and upgrading process is accomplished. The remote upgrading method is simple to operate, does not affect the normal running of a vehicle, and greatly reduces maintenance and operation costs.

The invention relates to a bus lane time division multiplex method for considering dividing section areas, which comprises the steps: firstly determining a search radius; judging whether a bus enters the search radius or not; maintaining green lights on the display screen on the sections near to the crossings at the upstream of a bus lane and on other sections, i.e. permitting a tailgating state if no vehicle enters the search radius; matching the bus line corresponding to a vehicle if the vehicle enters the search radius, wherein the line is not considered if the line does not comprise the bus lane; changing the states of the information displays of the crossings at the upstream if the line comprises the bus lane and displaying the information that ordinary vehicles are forbidden to enter the bus lane; and permitting the bus lane for tailgating for one more time until a rapid bus passes through the bus lane. When the distance of the rapid bus to a canalization section is larger than a set value, the crossings at the upstream are in a direct movement state and a right turning phase, and the bus lane in the canalization section of the crossings at the downstream can permit the ordinary vehicles to enter the canalization section when corresponding to the two conditions.

A method for limiting speed of message includes presetting width of time window and number of message to pass , obtaining current system time and calculating out passed time of current time window ( CTW ) , judging whether passed time of CTW is less that time window width or not , allowing message to pass CTW and refreshing end time of CTW if it is not , judging whether number of passed message is greater that number of message being allowed to pass or not if it is , calculating out message number exceeding to pass , making flow delay for them then allowing them to pas if it is or otherwise allowing message in CTW to pass and refreshing end time of CTW .

The invention discloses a data prevention method based on content filtering, which is characterized by firstly monitoring the network dataflow by adopting the network filtering drive technology, monitoring the peripheral dataflow by adopting the equipment filtering drive technology, capturing the data of network equipment and peripheral interfaces of a terminal computer, then carrying out characteristic matching on the intercepted network dataflow and equipment dataflow by adopting the content filtering technology based on multi-pattern matching, preventing the dataflow judged to be sensitiveinformation from flowing outside and allowing the dataflow judged to be general information to flow outside, thereby protecting sensitive data from leaking. The method has the following advantages: the data prevention granularity is finer, the content filtering efficiency is high, the core data security is improved, normal operation of the user is not affected and the working efficiency is improved.

This invention relates to an impact flow reactor used for liquid phase reaction. The reactor is cylindrical form, pipe or quadratic structure, two draft tubes are fixed between reactors, and one or two pumps are set out of the reactor, the exit of the pump is corresponding set at feed side of the tube. The reactant impact with each other after conveyed by materials pump and high speed flow by draft tubes, so the mixing of the reactant is availably improved. The reactor in this invention maintains the advantage of high efficiency mixing and homogeneous reaction of the existing reactor, and some disadvantages of existing reactor is avoided. Its structure plan is facilitated and cost is reduced because of the replacement of pump cycling outside of the reactor of the screw propeller type structure, and engineering problem of shake, radial sealing failure brought by the screw propeller type structure is reduced. It is easy for maintenance, and its failure rate is low, so it is propitious to reaction process of industry scale.

The invention discloses a transformer fault analysis system based on acoustic shock detection. The transformer fault analysis system comprises a data acquisition system and a data analysis system which are mutually connected, and is characterized in that the data acquisition system comprises an acoustic data acquisition module and a transformer parameter acquisition module, the acoustic data acquisition module comprises a sound intensity sensor, a vibration sensor and a sound sensor, the data analysis system comprises a clock system, a signal feature extraction and classification module and asignal recognition and fault diagnosis module, and the signal feature extraction and classification module and the signal recognition and fault diagnosis module are connected with the clock system; and the signal feature extraction and classification module comprises a feature extraction module and a feature database, the feature extraction module is connected with the data acquisition system, andthe signal recognition and fault diagnosis module operates on a microcomputer system. The transformer fault analysis system represents an automatic recognition and identification technology for the operating state of a transformer through acquiring acoustic signals of the transformer and performing state recognition and marking on the acoustic signals, and finally achieves fault analysis and diagnosis for the transformer.

The invention relates to the technical field of food machines, in particular to a food encrusting device, which comprises a food encrusting device machine frame, a food encrusting device stuffing injection component, food encrusting, stuffing pushing and wrapper cutting devices, a wrapper delivering component, a food encrusting device wrapper forming device, a food encrusting device conveying mechanism and a food encrusting device driving mechanism, wherein the food encrusting device stuffing injection component has a plurality of independent discharging channels and a plurality of food encrusting, stuffing pushing and wrapper cutting devices which are arranged in a way of corresponding to the discharging channels and complete stuffing pushing and wrapper cutting at the same station. The food encrusting device has the advantages that: the stuffing injection and wrapper cutting device are arranged in a linear mode, so a plurality of the stuffing injection and wrapper cutting devices can operate without interference, and even if one stuffing injection and wrapper cutting device has a fault, other stuffing injection and wrapper cutting devices can still work normally; and due to the linear arrangement mode, in a range matched with a driving mechanism, the stuffing injection and wrapper cutting devices can be increased randomly, so large-scale production can be realized, and the working efficiency is improved.

The invention discloses a comprehensive fault detecting device and a method for shifting a main computer and a standby computer, and relates to the application communication field. The invention aims at providing comprehensive detection in main-standby shifting condition. The main computer and the partner computer of a main-standby shifting comprehensive fault detecting device are symmetric in structures. Each of the main computer and the partner computer respectively includes a CPU, a programmable control circuit module which is connected with the CPU through a CPU address / data / control bus, a communication interface module, a hardware reset register, and a software reset register; the programmable control circuit module contains a summation meter inside. A main-standby shifting comprehensive fault detecting method includes the steps of initializing a programmable control circuit and the application software; conducting state detection and data synchronization on the main computer and the partner computer periodically, and determining whether a mark in the hardware reset register and the software reset register is read according to the detection result. The invention is applicable for an important working unit which needs the communication and control bus distribution system with main-standby shifting function.

The invention discloses a driving separation system inside a virtual machine and a method and relates to a computer fault tolerant technology. The system, which is simple, effective and capable of being compatible with existing operation systems and a driving program framework and isolating a driving program inside the virtual machine based on a full virtualization technology, is achieved, the driving program isolating system inside the virtual machine comprises a driving isolation uploading module which runs in a user mode of the virtual machine, a memory information monitoring module in a kernel mode of the virtual machine and a memory access control module inside a manger of the virtual machine, and memory information monitoring module in the kernel mode of the virtual machine comprises a packaging function library, a isolation control submodule and an information communication submodule.

A method for restoring back-up of user's databank includes setting up spare databank of the user and the timing task to back up user's data on main used databank to local harddisc in assigned time or at lowload period of the system, receiving user's data in main used databank to spare databank, using the spare one to substitute the main used one at time when the main used can not be used because of the fault.

The present invention relates to a control method of air conditioner safety shutdown. Said method includes the following steps: when the turn-off signal of indoor machine is received by outdoor machine, the compressor is in low-frequency operation, when it is used for refrigeration, the control system can forcedly close the electronic expansion valve of indoor machine, when it is used for heat production, the control system can forcedly close the electronic expansion valve of outdoor machine; then the cooling agent from electronic expansion valve to suction line of compressor can be discharged from exhaust hole by compressor; when the exhaust temperature of compressor is risen or low-pressure pressure is lowered to defined value, then control system can be used for controlling compressor and making it stop safety shutdown process of air conditioner. Said invention can utilize said control method to ensure normal operation of said system.

The invention discloses an automatic electric switch cabinet fire extinguishing system and a fire recognition method, wherein the automatic electric switch cabinet fire extinguishing system comprises a fire extinguishing agent nozzle which is arranged in an electric switch cabinet; the fire extinguishing agent nozzle is connected with a storage device in which a non-conducting fire extinguishing agent is stored through a pipeline; an electromagnetic valve which is controlled by a central controller is arranged on a pipeline; a photoelectric sensor is also arranged in the electric switch cabinet; and the photoelectric sensor outputs a detection signal to the central controller and then the central controller judges whether to open the electromagnetic valve. The automatic electric switch cabinet fire extinguishing system is capable of responding sudden electric fire and reducing the loss caused thereby. Fire extinguishing agents such as heptafluoropropane and superfine dry powder are used and non-conducting, so that secondary danger caused by conduction of fire extinguishing agents does not occur; and the fire extinguishing agents are environmental-friendly, so that the damage to the environment caused by conduction of fire extinguishing agents also does not occur. The photoelectric sensor is used, so that the fire such as electric arc and the like in the switch cabinet can be rapidly and correctly detected.

The invention provides an evaluation method and an evaluation system for evaluating the performance of a high-capacity battery energy storage system. The method for evaluating the performance of the high-capacity battery energy storage system comprises the steps of sequentially evaluating the performance of each battery pack in the energy storage system, and then performing corresponding debugging on the battery pack according to the evaluation result, wherein the performance evaluation of the battery pack is determined with a fuzzy relation matrix established according to grade and evaluation indexes and the weight of each evaluation index as a maximum membership degree. The evaluation system comprises a data acquisition module, a performance index calculation module, a fuzzy relation matrix calculation module and an evaluation matrix calculation module which are connected in sequence. Compared with the prior art, based on the evaluation method and the evaluation system, the consistency performance of the high-capacity battery energy storage system is comprehensively evaluated. Evaluation data are derived from the historical operating data of a battery during operation. The normal operation of the battery energy storage system is not influenced at all. Meanwhile, the implementation is convenient, and the flexibility is high.

The invention relates to an efficient configuration update method and system of a terminal device in an Internet of things system. The efficient configuration update method and system of the invention are designed to improve the efficiency, reliability and maintainability of the configuration update operation of the terminal device in the Internet of things system. The efficient configuration update method for the terminal device in the Internet of things system includes the following steps that: the terminal device enters an operation state; the terminal device is in communication connection with a cloud platform and receives a configuration update instruction outputted by the cloud platform or a user end, when the terminal device receives the configuration update instruction, the terminal device analyzes the configuration update instruction, the configuration instruction queue of the terminal device is updated; the instruction queue is scanned with a predetermined time interval, an operating environment is modified, and the main storage configuration information of the terminal device is synchronized to an external storage; and configuration information synchronization is performed on the cloud platform and the terminal device with predetermined delay time. With the efficient configuration update method and system of the terminal device in the Internet of things system of the invention adopted, local configuration update can be realized efficiently in real time in the normal operation process of the terminal device of the Internet of things system, fault tolerance and error correction capabilities can be realized.

The invention discloses a method for positioning a GSM (global system for mobile communication) mobile communication network terminal. The method comprises the following steps: a. dividing grids for a region covered by a mobile communication network according to the established sizes, and numbering each grid; b. establishing an initial radio broadcasting model of the grid according to a geographical feature and a radio broadcasting feature of each grid; c. generating feature data of the radio broadcasting model of each grip according to DT (drive test) data; d. acquiring a signaling data from the mobile communication network, screening out each conversation in the signaling data, extracting a test report in the conversation, and screening the test report; e. analyzing the matching degree of the screened test report and the feature data of each grip one by one, and calculating a probability value; and f. finding centers of the grids with the highest probabilities, namely the positions of the mobile communication network terminal of the conversation. The positioning method has the characteristics of fast positioning speed and easiness of implementation.

The invention discloses a method for identifying parameters of synchronous wind-driven generators on the basis of an improved particle swarm optimization algorithm. The method has the advantages that selection genetic operation, crossover genetic operation and mutation genetic operation are carried out on the basis of the particle swarm optimization algorithm, so that the global search capacity and the local search capacity of the particle swarm algorithm can be improved, and the convergence speed of the particle swarm algorithm can be increased; measured data are directly acquired via a control center, so that the parameters of the synchronous wind-driven generators can be identified in an online manner, an existing method for identifying parameters of wind-driven generators in an offline manner under the condition of machine halt is changed, and normal running of the synchronous wind-driven generators is unaffected; the identified parameters effectively conform to actual running conditions of the synchronous wind-driven generators, and accordingly steady states, dynamic states and transient characteristics of the synchronous wind-driven generators can be effectively reflected.

The invention provides group control device and method for a multi-robot welding system. The device mainly comprises a positioning machine, a PLC electric cabinet, a plurality of welding robots, a welding machine and other parts; the system in on the basis of a communication model of a CC-LINK field bus, the PLC is treated as a working main station, all robots are equipped with CC-LINK communication cards to be used as secondary stations, and the main station and the secondary stations are equipped with detailed control signal sheets for realizing main-secondary information sharing and real-time feedback; in case of a specific complex component, the working area of each robot can be reasonably divided, the quantity of robots for welding can be flexibly selected, a touch screen is operated for human-computer interaction, and therefore, the states and parameter settings of each robot, welding machine, positioning machine and other devices can be monitored conveniently, and as a result, the whole system can be simply, safely, flexibly and efficiently controlled.

The invention discloses a mental workload online detection method based on forehead electroencephalogram signals. The method comprises the following steps that the forehead electroencephalogram signals are collected with a silver / silver chloride electrode as a sensor; an electroencephalogram amplifier is used for carrying out amplification and filtering on the forehead electroencephalogram signals, then data preprocessing is carried out, and the processed forehead electroencephalogram signals are acquired; a stimulation task is compiled as n-back; wavelet multiscale entropy features are extracted from the processed forehead electroencephalogram signals; model recognition is carried out on the wavelet multiscale entropy features through a support vector machine, and an obtained result is the mental workload level and recognition accuracy of data. The experiment process of the method is carried out on the forehead, the need for washing the head before and after the process is avoided, the operation is facilitated, and meanwhile the influence on signal collection by the hair and the scalp is avoided. The method can effectively improve the accuracy and convenience of a mental workload detection system and obtain considerable social benefits and economic benefits.

This invention relates to an impact flow reactor used for liquid phase reaction. The reactor is cylindrical form, pipe or quadratic structure, two draft tubes are fixed between reactors, and one or two pumps are set out of the reactor, the exit of the pump is corresponding set at feed side of the tube. The reactant impact with each other after conveyed by materials pump and high speed flow by draft tubes, so the mixing of the reactant is availably improved. The reactor in this invention maintains the advantage of high efficiency mixing and homogeneous reaction of the existing reactor, and some disadvantages of existing reactor is avoided. Its structure plan is facilitated and cost is reduced because of the replacement of pump cycling outside of the reactor of the screw propeller type structure, and engineering problem of shake, radial sealing failure brought by the screw propeller type structure is reduced. It is easy for maintenance, and its failure rate is low, so it is propitious to reaction process of industry scale.