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36results about How to "Realize real-time status monitoring" patented technology

Real-time state monitoring and fault diagnosing system and method for blades of wind generating set

The invention discloses a real-time state monitoring and fault diagnosing system and method for blades of a wind generating set. According to the system and method, a high-definition camera is used for shooting internal and external surfaces of the blades of the wind generating set in real time, thereby realizing the real-time monitoring on the health state of the blades. For abnormal blade states, a video processing technology is used for diagnosing the fault category of the blades, judging the size and serious degree of damaged regions and providing effective basis for maintaining the blades.
Owner:SHANGHAI DIANJI UNIV

Intelligent bearing internally provided with wireless sensor and having self-powered function

The invention provides an intelligent bearing internally provided with a wireless sensor and having a self-powered function. The intelligent bearing is provided with a sensor assembly, an antenna, a coil assembly and a magnet; an annular inner groove is formed in the inner surface of an outer ring, the sensor assembly, the antenna and the coil are arranged in the inner groove, an annular outer groove is formed in the outer surface of an inner ring, the magnet is arranged in the outer groove in a connected mode, the magnet rotates at a high speed along with the inner ring and generates magneticline cutting motion relative to the coil assembly, the inductive electric potential is generated in the coil assembly, and the coil assembly is connected with the sensor assembly and provides electric energy for the sensor assembly; the sensor assembly is used for collecting operation parameter information of the bearing and converting the collected information into data; and the sensor assemblyis connected with the antenna, the antenna is used for sending the data, and thus real-time monitoring of the bearing is achieved. The intelligent bearing does not need to be supplied with an externalpower supply, and real-time state monitoring of the bearing in the operation process is achieved through wireless transmission signals of a multi-parameter sensor.
Owner:SHANGHAI JIAO TONG UNIV

Cloud resource pool data security detection method and system

The invention discloses a cloud resource pool data security detection method comprising the steps of acquiring established sensitive data; acquiring export data drained from a cloud resource pool; scanning and recognizing the sensitive data in the export data; building a sensitive data life cycle, and hierarchically managing the sensitive data; capturing a host virtual machine of the sensitive data in a cloud resource environment, and monitoring traffic of the virtual machine; and analyzing the sensitive data and abnormal operation behaviors of the host virtual machine of the sensitive data, and giving an alarm. In addition, the invention also provides a cloud resource pool sensitive data security detection system comprising a control module, a collection module, a processing module, a supervising module and an auditing module. By using the method provided by the invention, a full life cycle security control on links such as building, generation, utilization and destroying of various kinds of sensitive data during business data calling and transmission, and business interaction and migration processes under the cloud computing environment is achieved, and thus abnormal and illegal behaviors can be found.
Owner:AKSU PREFECTURE BRANCH OF CHINA MOBILE GRP XINJIANG

Crucial boiler pipeline online measurement system

The invention discloses a crucial boiler pipeline online measurement system. The crucial boiler pipeline online measurement system comprises two obviously-identified radial deformation measurement metal blocks, a radial measurement binocular camera, two obviously-identified axial deformation measurement metal blocks, an axial measurement binocular camera, a displacement sensor and at least one stress and strain transducer, wherein the stress and strain transducers are arranged at the bottoms of the metal blocks. The displacement sensor is positioned between two prearranged axial deformation measurement metal blocks, and two sensing heads contact with the metal blocks respectively. The binocular cameras are connected with an industrial switch and are connected to a main control machine via a transmitting network bridge and a receiving network bridge. The crucial boiler pipeline online measurement system is capable of detecting data such as stress, strain and displacement of a boiler pipeline comprehensively and efficiently in real time to reflect boiler pipeline damage degree, and is used for judging remaining life of the boiler pipeline to perform failure early warning, so that safety and stable operation of electric power are guaranteed.
Owner:ELECTRIC POWER RES INST OF GUANGDONG POWER GRID +1

Early warning monitoring and condition constructing method and device for component surface failure

The invention relates to a warning monitoring method of failure type deformation and fracture type cracks based on the surfaces of components, a condition constructing method and a device thereof. The invention is characterized in that the warning monitoring method comprises the failure signal acquisition and the signal processing. The condition constructing method comprises the preparation of a driving layer, the preparation of a network bridge layer, the preparation of a signal acquisition sensor, the manufacturing of a signal transmission connection circuit and the manufacturing of a loop of an information processing system. The device prepared according to the method comprises the driving layer, the network bridge layer and a protection layer. The signal acquisition sensor is connected with the connection circuit board of the information processing system through conductors which are connected through palisade coupons. The connection circuit of the information processing system isconnected with I / O of a programmable controller. The programmable controller is connected with a monitoring output device through an adaptor. The warning monitoring method of failure type deformationand fracture type cracks based on the surfaces of components, the condition constructing method and the device have the advantages of simple method, cheap raw materials and accurate positioning, can realize the real-time state monitoring of key parts of the surfaces of the component, are beneficial to the rapid judging of operators and can avoid the happening of major accidents.
Owner:PLA SECOND ARTILLERY ENGINEERING UNIVERSITY

An automatic rain and dust sampling, collecting and monitoring system

An automatic rain and dust sampling, collecting and monitoring system is disclosed and belongs to the field of rainfall and dust fall collection. The system includes a water collection box, a time-sharing collection disk, sample storage bottles, a rainfall sensor and a controller. The top opening of the water collection box is provided with a mobile cover. The bottom of the water collection box is provided with a collecting pipe. The bottom end of the collecting pipe is in a rotating disk and is communicated with a connecting pipe. The time-sharing collection disk is provided with a plurality of branched pipe holes at intervals. The rotating disk is driven to rotate by a first power mechanism and allows a water outlet end of the connecting pipe to be flushed with the branched pipe holes one by one correspondingly. The branched pipe holes are connected to sampling pipes. Water discharging ends of the sampling pipes penetrate into the sample storage bottles. The system overcomes a disadvantage that rain collectors in the prior art are poor in sample storage effects and influence detection results, performs automatic rainwater collection and detection for long time, effectively isolates a pollution source, ensures distortionless rainwater samples to a great extent, and increases accuracy of rainwater sample analysis.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

Aircraft-real-time-state monitoring black box

The invention discloses an aircraft-real-time-state monitoring black box. The aircraft-real-time-state monitoring black box comprises an aircraft-real-time-state monitoring black box body, a black-box data collecting part, a black-box remote communication part and an aircraft-state abnormal-and-crash-emergency warning part. A storage device is arranged in the aircraft-real-time-state monitoring black box body, the black-box data collecting part is connected with the aircraft-real-time-state monitoring black box body, the black-box remote communication part is connected with the aircraft-real-time-state monitoring black box body, and the aircraft-state abnormal-and-crash-emergency warning part is connected with the aircraft-real-time-state monitoring black box body; monitoring of the flight state of an unmanned aerial vehicle is achieved. When aerial vehicles of multiple types work, monitoring is uniformly carried out through the same platform.
Owner:GUANGDONG RONGQE INTELLIGENT TECH CO LTD

Vehicle-mounted equipment power supply system background monitoring and management platform

ActiveCN105681116AReal-time data stream processingImplement storageData switching networksApplication serverSystem structure
The invention provides a vehicle-mounted equipment power supply system background monitoring and management platform. The background monitoring and management platform comprises an application server, a route connection service cluster, and a database service cluster, a management terminal and a management connection service cluster which are in mutual communication with the application server. The vehicle-mounted equipment power supply system background monitoring and management platform provided by the invention is a platform for realizing state and fault comprehensive analysis and integrated management and control of vehicle electrical equipment, the server cluster and big data processing system structure is adopted by the background monitoring and management platform to support real-time monitoring and management of a plurality of vehicles, the storage of a large amount of data and real-time data flow processing.
Owner:BEIJING CE VANLINK TECH CO LTD

Intelligent agricultural machinery operation method and operation system for spraying pesticide

The invention belongs to the technical field of agriculture, and discloses an intelligent agricultural machinery operation method and an operation system for spraying pesticide. The intelligent agricultural machinery operation method comprises steps of identifying authentication of a user, selecting a working mode; carries out an agricultural machinery operation path through a map in the system orcoordinates input by the user; collecting and processing field information through general intelligent nodes; automatically determining crop growth status by establishing a crop disease and pest hazard severity model; reasonably and accurately applying the pesticide by machine vision and optimized algorithms based on the crop growth status; collecting agricultural machinery driving speed, pesticide dosage and agricultural machinery positioning related information in real time, and monitoring status of an intelligent agricultural machinery in real time; and performing fault diagnosis and lifemonitoring for the intelligent agricultural machinery. The intelligent agricultural machinery operation method of the present invention can control the agricultural machinery to accurately drive alongthe planned operation path, so that an agricultural machinery operator can get rid of long-term fatigue driving and improve quality and efficiency of field operation.
Owner:SHANDONG ACAD OF SCI INST OF AUTOMATION

Fully-automatic intelligent manhole cover lock with opening and closing functions, manhole cover and opening and closing control method

The invention discloses a fully-automatic intelligent manhole cover lock with opening and closing functions, a manhole cover and an opening and closing control method, and belongs to the technical field of intelligent control of manhole covers. The fully-automatic intelligent manhole cover lock structurally comprises a lock body assembly, a drive assembly and a control assembly; the lock body assembly comprises multiple lock body units distributed in the circumferential direction of a cover body; each lock body unit comprises a lockpin, a guiding tube and a reset spring, the lockpin is mountedin the guiding tube in a sliding manner, and the reset spring is arranged on the lockpin in the guiding tube in a sleeving manner and drives the lockpin to extend out of the guiding tube; the drive assembly comprises a drive motor, a turnplate and a connecting strip, the turnplate is mounted on an output shaft of the drive motor, and two ends of the connecting strip are connected with the lockpinand the turnplate respectively; the control assembly is connected with the drive motor and used for receiving an external control command to control the drive motor to rotate forwards or reversely. The whole technical scheme has the advantages of being simple in structure, low in cost, safe and reliable to open and close, multifunctional and high in intelligent level and the like.
Owner:湖南柒丰智能科技有限公司

Improved rotary four-way fluid reversing valve

The invention relates to an improved rotary four-way fluid reversing valve, which comprises a valve body, a valve core and a driving device. The driving device is connected with a shaft on the valve core through a coupling I and a coupling II and drives the valve core to rotate. The improved rotary four-way fluid reversing valve is characterized in that the valve core is a cylinder with an I-shaped cross section. U-shaped grooves for installing sealing rings are arranged on the upper and the lower surfaces of the cylinder. When the valve core is installed in the valve body, the inner wall of the valve body squeezes the sealing rings to completely seal two parts of a hollow cavity of the valve body divided by the valve core. The improved rotary four-way fluid reversing valve provided by the invention is good in sealing performance, the conveying distance of a sample box is greatly prolonged and the conveying speed of the sample box is improved, and the improved rotary four-way fluid reversing valve is good in stability, simple in structure and simple to manufacture.
Owner:银川东方气力运输设备有限公司

VSC-HVDC converter station fault recognition device and method based on VMD-ELM

ActiveCN110286286AGuarantee equipment operationReduce equipment downtimeElectrical testingAc/pulses peak value measurementsCondition monitoringDevice failure
The invention discloses a VSC-HVDC converter station fault recognition device and method based on VMD-ELM. The device comprises a signal acquisition module, a data processing module, a state identification module and an alarm module. The device and method is provided for the particularity of the electric signal of the converter station in a VSC-HVDC system; by using the fault diagnosis device, the real-time state monitoring of the operation of the converter station can be realized, the operation condition of the equipment can be quickly and visually reflected, reliable equipment operation information can be provided for equipment maintenance personnel in time, and the equipment operation can be effectively ensured, so that the equipment fault shutdown time is reduced, and the planned maintenance time and the unplanned maintenance time are reduced.
Owner:KUNMING UNIV OF SCI & TECH

Distributed power supply management system

The invention provides a distributed power supply management system. The distributed power supply management system operates on a distributed system platform and comprises a power supply module, a master control module and a management control platform, wherein the power supply module is connected with the master control module, and the management control platform is in communication with the master control module through networking protocols. The distributed power supply management system not only meets total-state power supplying requirements of the system, but also can achieve redundancy power supplying, up and down electric control of all modules, condition monitoring and the like. Besides, safety and reliability of the distributed power supply management system are guaranteed.
Owner:AVIC NO 631 RES INST

Method for identifying health degradation state of rolling bearing

The invention relates to a method for identifying a health degradation state of a rolling bearing. The method comprises the steps of: (1), obtaining a historical monitoring signal of the rolling bearing, pre-processing the monitoring signal, eliminating a singular value, and reducing noise; (2), respectively performing time-domain analysis, power spectrum analysis and CEEMDAN decomposition on thepre-processed monitoring signal, so that time-domain, power spectrum and intrinsic mode energy characteristics are obtained; (3), training a CSVM model by utilizing various characteristics of the monitoring signal; and (4), for the online real-time acquired monitoring signal of the rolling bearing, inputting the various characteristics obtained in the step (2) into the CSVM model trained in the step (3), so that the current health degradation state identification result of the rolling bearing is obtained. According to the method in the invention, the health degradation state of the rolling bearing can be identified precisely in real time; real-time monitoring on the state of the rolling bearing is realized; and thus, safe, steady and long-period operation of a numerical control machine tool is ensured.
Owner:GUANGDONG INTELLIGENT ROBOTICS INST

Integrated monitoring system design method for power cable tunnel computer

The invention discloses an integrated monitoring system design method for a power cable tunnel computer, and the method comprises the following steps: 1, analyzing the necessity of building an integrated monitoring system of the power cable tunnel computer; 2, enabling the requirements of a system design to be clear; 3, analyzing the actual structure and environment characteristics of a cable tunnel and the specific function demands for the monitoring system, and determining that a cable tunnel monitoring system employs a layered distributed mixed network structure according to the developmentstatus of an industrial onsite bus and the Ethernet technology. According to the invention, the method achieves the real-time state monitoring of a power cable body operating in the a tunnel, the monitoring of the working state of the auxiliary facilities and the early warning and emergency processing of the special events through the power cable tunnel monitoring system formed by the layered distributed mixed network structure.
Owner:HEILONGJIANG AOLI FULONG TECH DEV

a joint bearing

The invention belongs to the technical field of intelligent bearings, and relates to a joint bearing. Including bearing inner ring, bearing outer ring, bearing end cover, self-lubricating layer, flexible circuit board, micro sensor integration system, wireless information transmission system and wireless power supply system; the flexible circuit board is installed on the inner side of the bearing end cover, and the flexible circuit board and the The bearing end cover is thermally fused into one; the micro sensor integration system and the wireless information transmission system are set on the flexible circuit board; the wireless power supply system uses the micro holes on the bearing end cover and the bearing outer ring to integrate with the micro sensor system and wireless information through lines The transmission system is connected; the receiving end coil and the transmitting end coil of the wireless power supply system are placed in the annular groove of the outer ring of the bearing outer ring. The spherical plain bearing adopts the method of wireless power supply based on resonance coupling, which simplifies the bearing structure, increases the function of the bearing, and the detection of the spherical plain bearing is more real-time and efficient, and the operation of the bearing is safer and more reliable.
Owner:TSINGHUA UNIV

Law enforcement recorder intelligent supervision platform and system and law enforcement recorder

The invention discloses a law enforcement recorder intelligent supervision platform, a supervision system and a law enforcement recorder. An NB-IOT narrowband Internet of Things module is embedded inthe law enforcement recorder, and a platform is used for receiving real-time state information sent by the law enforcement recorder in real time, and the real-time state information comprises electricquantity, storage space, police officer information, a video recording state, a use unit, a GPS position and / or a video recording resolution; and when the electric quantity or the storage space is insufficient, the platform can automatically dial the telephone number of the corresponding police officer to carry out notification prompt. According to the invention, the current situations that an existing common law enforcement recorder cannot perform real-time supervision and a 4G law enforcement recorder cannot be practically applied are broken through; real-time state supervision of the law enforcement recorder can be realized, the situations of police officer negligence, police officer making excuses and the like in file system supervision are avoided from the technical perspective, caseascertainment is facilitated, and intelligent law enforcement of the law enforcement recorder is realized; moreover, when the law enforcement recorder deletes the copied video and audio data in an unauthorized manner, the intelligent supervision platform can give an alarm and lock the operation in time, so that the data security is realized.
Owner:周莲萍

A method and system for monitoring the operation state of a satellite communication system based on IP response

The invention discloses a satellite communication system operation state monitoring method and system based on IP response, relates to the technical field of satellite communication, and aims to solve the problem of low manual operation and maintenance efficiency and lack of real-time performance of the satellite communication network in the prior art, making it difficult to guarantee The problem of long-term normal operation of the communication system. The main points of the technical scheme include the following steps: performing an active IP packet response test on each node device or server of the satellite communication system; recording the active IP packet response test result in real time, and performing the node device or server based on the test result. Judgment and analysis of network status; automatically perform network maintenance according to the results of network status judgment. The invention improves the operating reliability of the node equipment and the server, and at the same time effectively solves the problem of inefficient network quality caused by the long-time operation of the satellite communication system.
Owner:KEYIDEA SATCOM INFORMATION TECH (NANJING) CO LTD

Fault diagnosis method and device for wind turbine pitch bearing based on neural network

The invention discloses a neural network-based fault diagnosis method and device for pitch bearings of wind power generators. The method includes: measuring the signal strengths of different azimuth angles of blades and different points of sensors, and determining the best measurement azimuth angles of blades and the arrangement of sensor points. Solution, fix the blades at the optimal azimuth angle to collect pitch vibration data, further process the collected vibration data into a data set, build a neural network model, use the collected data set to train the network, and deploy the trained network To the PLC for real-time dynamic monitoring of the fan; the device includes a vibration sensor, a data acquisition card and an editable logic controller (PLC). The invention applies the neural network algorithm to the fault diagnosis of the pitch bearing of the wind power generator, uses the historical vibration data to train the network, and then utilizes the trained network to perform fault diagnosis, thereby realizing fast, real-time and accurate monitoring of the health status of the pitch bearing.
Owner:ZHEJIANG UNIV

Doubly-fed asynchronous fan tower drum full life cycle state monitoring system

The invention relates to a fan tower full life cycle state monitoring system, the fan tower full life cycle state monitoring system comprises a sensing layer, a transmission layer and an application layer, the sensing layer is composed of three acquisition units including a first acquisition unit, a second acquisition unit and a third acquisition unit, and each acquisition unit is composed of four acquisition nodes; the transmission layer is composed of an internet-of-things relay gateway, and the application layer is composed of a front-end display page, a database and a control module. The state monitoring system for the whole life cycle of the distributed fan tower drum has the functions of health state self-checking, state tracing, environment perception, air awakening and safety early warning, the limitation of monitoring the running state of the fan tower drum in the wind power field is broken through, the fan tower drum is loaded, transported, unloaded, hoisted and then installed and operated, and the whole life cycle of the distributed fan tower drum is monitored. The state monitoring of the whole life cycle also realizes the guidance function for the transportation and hoisting work of the fan tower.
Owner:ZHEJIANG UNIV OF TECH

Food processing data processing method, system and electronic equipment

ActiveCN113760023BRealize real-time status monitoringSolve the problem of long cycle time in moisture detectionSimultaneous control of multiple variablesProcess engineeringMoisture
The invention provides a processing method, system and electronic equipment for food processing data, and relates to the technical field of automatic control. The method is applied to electronic equipment; the electronic equipment is used to control the working parameters of a direct-fired oven. The moisture parameters of the baked food are obtained through the moisture metering device and fed back to the direct-fired oven, and the working parameters of the oven are determined according to the moisture parameters, and finally the oven is controlled to complete the baking of the food in the oven, realizing real-time monitoring of the food baking process. The state monitoring solves the problem of a long cycle in the moisture detection of baked food in the existing food baking process; while improving the baking efficiency, it also improves the automation of the food baking process.
Owner:伟龙食品有限公司

An online measurement system for key pipelines of boilers

The invention discloses a crucial boiler pipeline online measurement system. The crucial boiler pipeline online measurement system comprises two obviously-identified radial deformation measurement metal blocks, a radial measurement binocular camera, two obviously-identified axial deformation measurement metal blocks, an axial measurement binocular camera, a displacement sensor and at least one stress and strain transducer, wherein the stress and strain transducers are arranged at the bottoms of the metal blocks. The displacement sensor is positioned between two prearranged axial deformation measurement metal blocks, and two sensing heads contact with the metal blocks respectively. The binocular cameras are connected with an industrial switch and are connected to a main control machine via a transmitting network bridge and a receiving network bridge. The crucial boiler pipeline online measurement system is capable of detecting data such as stress, strain and displacement of a boiler pipeline comprehensively and efficiently in real time to reflect boiler pipeline damage degree, and is used for judging remaining life of the boiler pipeline to perform failure early warning, so that safety and stable operation of electric power are guaranteed.
Owner:ELECTRIC POWER RES INST OF GUANGDONG POWER GRID +1

A device and method for fault identification of vsc-hvdc converter station based on vmd-elm

The invention discloses a VMD-ELM-based fault identification device and method for a VSC-HVDC converter station. The device includes a signal acquisition module, a data processing module, a state identification module and an alarm module. The present invention is proposed aiming at the particularity of the electric signal of the converter station in the VSC-HVDC system; by using the fault diagnosis device, the real-time status monitoring of the operation of the converter station can be realized, the operating status of the equipment can be reflected quickly and intuitively, and timely report to the Equipment maintenance personnel provide reliable equipment operation information to effectively ensure equipment operation, thereby reducing equipment downtime, planned maintenance time and unplanned maintenance time.
Owner:KUNMING UNIV OF SCI & TECH

Early warning monitoring and condition constructing method and device for component surface failure

The invention relates to a warning monitoring method of failure type deformation and fracture type cracks based on the surfaces of components, a condition constructing method and a device thereof. The invention is characterized in that the warning monitoring method comprises the failure signal acquisition and the signal processing. The condition constructing method comprises the preparation of a driving layer, the preparation of a network bridge layer, the preparation of a signal acquisition sensor, the manufacturing of a signal transmission connection circuit and the manufacturing of a loop of an information processing system. The device prepared according to the method comprises the driving layer, the network bridge layer and a protection layer. The signal acquisition sensor is connected with the connection circuit board of the information processing system through conductors which are connected through palisade coupons. The connection circuit of the information processing system isconnected with I / O of a programmable controller. The programmable controller is connected with a monitoring output device through an adaptor. The warning monitoring method of failure type deformationand fracture type cracks based on the surfaces of components, the condition constructing method and the device have the advantages of simple method, cheap raw materials and accurate positioning, can realize the real-time state monitoring of key parts of the surfaces of the component, are beneficial to the rapid judging of operators and can avoid the happening of major accidents.
Owner:PLA SECOND ARTILLERY ENGINEERING UNIVERSITY

Online fault detection system based on spindle box of numerical control gear milling machine and detection method thereof

The invention discloses an online fault detection system based on a spindle box of a numerical control gear milling machine and a detection method thereof. The system comprises a mechanical detection module and an oil detection module, and is characterized in that the mechanical detection module comprises multiple vibration sensing modules which are arranged at the positions of an oil outlet and an oil inlet of the spindle box correspondingly, the vibration sensing modules are tightly attached to the box wall of the spindle box, and the connecting lines between the vibration sensing modules on the two sides are parallel to the axis of a spindle; and the oil detection module comprises multiple temperature sensing modules arranged near a driving shaft and a driven shaft correspondingly and multiple flow velocity detection modules arranged at the positions of the oil outlet and the oil inlet of the spindle box correspondingly, and the directions of the multiple flow velocity detection modules are the same and are opposite to the flow direction of oil in the spindle box. According to the system, all positions in the spindle box are comprehensively detected so that the fault position and the fault reason can be quickly positioned, and therefore an efficient fault maintenance mode can be conveniently determined.
Owner:NANJING UNIV OF TECH +1

Instantaneous cable force identification method based on wavelet and isoline, electronic equipment and medium

The invention discloses an instantaneous cable force identification method based on a wavelet and a contour line, electronic equipment and a medium. The method comprises the following steps: step 1, obtaining a vibration displacement signal of the inhaul cable through a microwave interference radar, and carrying out small window focusing analysis: carrying out continuous complex wavelet transform according to a small window signal to obtain a wavelet coefficient; carrying out noise reduction processing on the wavelet coefficient to obtain a denoised wavelet coefficient; extracting a wavelet ridge band on the constant-amplitude surface through an isoline method; fitting interpolation is carried out on the wavelet ridge band through a nearest neighbor method, then equalization processing is carried out, and a small-window time-frequency curve is obtained; and 2, superposing the time-frequency curves of the small windows to obtain a final time-frequency curve, identifying the instantaneous frequency of the inhaul cable, and calculating the instantaneous cable force. According to the method, response data are acquired through the non-contact microwave interference radar, long-time analysis is realized through a small window focusing analysis and multi-window superposition display mode, a wavelet ridge band is extracted through an isoline method, and the cable force identification precision is improved.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY

Cloud resource pool data security detection method and system

The invention discloses a cloud resource pool data security detection method comprising the steps of acquiring established sensitive data; acquiring export data drained from a cloud resource pool; scanning and recognizing the sensitive data in the export data; building a sensitive data life cycle, and hierarchically managing the sensitive data; capturing a host virtual machine of the sensitive data in a cloud resource environment, and monitoring traffic of the virtual machine; and analyzing the sensitive data and abnormal operation behaviors of the host virtual machine of the sensitive data, and giving an alarm. In addition, the invention also provides a cloud resource pool sensitive data security detection system comprising a control module, a collection module, a processing module, a supervising module and an auditing module. By using the method provided by the invention, a full life cycle security control on links such as building, generation, utilization and destroying of various kinds of sensitive data during business data calling and transmission, and business interaction and migration processes under the cloud computing environment is achieved, and thus abnormal and illegal behaviors can be found.
Owner:AKSU PREFECTURE BRANCH OF CHINA MOBILE GRP XINJIANG

VSC-HVDC converter station fault diagnosis system and method

The invention discloses a VSC-HVDC converter station fault diagnosis system and method. The system comprises a signal acquisition module, a wireless WIFI acquisition module and a PC end analysis module. The signal acquisition module is composed of a current sensor and an STM32F103C8T6 chip; the wireless WIFI acquisition module is composed of an ESP8266 and a wireless router; according to the method, firstly, a current sensor of a signal acquisition module is used for acquiring a bus electric signal of a novel high-voltage direct-current power transmission (VSC-HVDC) converter station, the current signal is transmitted to an STM32F103C8T6 chip through an SPI (Serial Peripheral Interface) and then is uploaded to a PC (Personal Computer) terminal through WIFI (Wireless Fidelity), a VSC-HVDC converter station fault diagnosis model is established through CEEMDAN permutation entropy and KELM, and the running state of the VSC-HVDC converter station is evaluated. The technical scheme provided by the invention has the advantages of high safety, good transmission performance, high accuracy and the like, the operation state of the converter station can be quickly identified, reliable equipment operation information is provided for maintenance personnel in time, normal operation of equipment is ensured, and the maintenance cost is reduced.
Owner:KUNMING UNIV OF SCI & TECH

Vehicle power supply and intelligent monitoring terminal

The invention relates to a vehicle-mounted power supplying and intelligent monitoring terminal. The terminal comprises a sealed shell body and an integrated main board arranged in the shell body, wherein the integrated main board comprises an MCU (Micro-programmed Control Unit) managing device, a power supplying control module, an electronic equipment connector group, a communication module and a power supply input module. With the adoption of the intelligent terminal provided by the invention, collection, primary distinguishing and control functions of power supplying current of vehicle-mounted electronic equipment are finished; and the equipment adopts a sealed explosion-proof structure and is mounted at a general power distribution connector of a vehicle, and feed of the vehicle-mounted electronic equipment is realized by the terminal.
Owner:北京中电车联网科技有限公司
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