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87results about How to "Reduce monitoring" patented technology

Operation state control decision making method of mine ventilation system

The invention discloses an operation state control decision making method of a mine ventilation system, and belongs to a mine ventilation control decision making method. The method comprises the following steps: (1) establishing or updating a current mine ventilation system model; (2) acquiring and updating ventilation system parameters in real time; (3) inspecting the rationality of the operation state of the ventilation system; (4) adjusting and solving ventilation network air volume in the case of a given mine total air volume when the operation state of the ventilation system is irrational, and adjusting and optimally solving the ventilation network air volume if a feasible solution is not available yet; (5) determining a fan matching working condition, performing air volume adjustment and solving for gradually expanding natural air distribution on an air network according to a maximum air pressure characteristic curve allowed by the fan, and finally determining an optimal executable scheme for air volume adjustment of the mine ventilation system. A mass flow and air density double-layer iteration method is adopted in the air volume adjustment and solving, and a sensor for monitoring underground air density can be saved. Technical support is provided for keeping rational, stable, reliable and high-efficiency operation of the mine ventilation system for a long time.
Owner:CHINA UNIV OF MINING & TECH

Vehicle intelligent device capable of automatically recognizing road speed-limit sign

The invention relates to a vehicle intelligent device for automatically identifying road speed limit signs in the technical field of vehicle intellectualization. The vehicle intelligent device comprises three pinhole cameras, a single processor, a vehicle speed control mechanism and a speech prompter, wherein the first pinhole camera is arranged in a right central position of the upper edge of a vehicle front view glass frame, and is used for acquiring vehicle speed limit sign images which are arranged on the front upper side of a road; the second pinhole camera is arranged in the right central position of a front cover of a vehicle motor, and is used for acquiring the speed limit sign images on the road in the front of the vehicle; the third pinhole camera is arranged in a position of a right back view mirror cover near the right edge, and is used for acquiring the speed limit sign images on the right side of the road; and the signal processor processes the images which are acquired by the three pinhole cameras in real time, identifies the speed limit signs of a current road section to the running of the vehicle, and outputs control instructions according to a speed limit identification result so as to automatically control the speed of the vehicle. At the same time, drivers can know road speed limit information in real time, and cannot cause the vehicle to be overspeed because of temporary neglect.
Owner:SHANGHAI JIAO TONG UNIV

Velocity-limiting mark recognizing and vehicle-velocity control method and system based on vehicle traveling recording instrument

The invention discloses a velocity-limiting mark recognizing and vehicle-velocity control method and system based on a vehicle traveling recording instrument. The method includes the steps that the vehicle traveling recording instrument collects an image through a camera in real time and carries out intensification and de-noising processing on the image; the processed image is compared with a pre-stored database template with a road velocity-limiting mark to judge whether the velocity-limiting mark exists in the image or not, and if the velocity-limiting mark exists in the image, the velocity-limiting mark is recognized to obtain the velocity-limiting velocity; the current vehicle velocity is adjusted according to the obtained velocity-limiting velocity. According to the velocity-limiting mark recognizing and vehicle-velocity control method and system, the vehicle-traveling velocity-limiting mark exists in a current road section is automatically recognized through the vehicle traveling recording instrument of a vehicle, a control command is output according to the recognition result, and the vehicle velocity is automatically controlled; meanwhile, a driver learns the velocity-limiting information of a road in real time, the driving safety of the driver is improved, and unnecessary traffic accidents are reduced.
Owner:GUANGDONG COAGENT ELECTRONICS SCI & TECH

Method and device for preventing infectious virus infection

The invention discloses a method for preventing the infectious virus infection, which comprises the following steps: traversing all processes of a current system and processes newly created by a monitoring system; acquiring all process information in the systems, and filtering the processes during the operation; carrying out hook processing on functions in a security policy, and recording or duplicating relevant document information of the functions before invoking; monitoring the process after filtering, carrying out weighting processing on the information of the invoked function, and carrying out the weighting processing on document information related with the processes after finishing the processes; calculating the sum of the weight of the function information of the progresses and the document information, and outputting the judgment result of the progresses of infectious malicious codes corresponding to the sum according to the given numerical range in the security policy. The invention further discloses a device for preventing infectious virus infection. The method and the device can monitor the operation of the infectious malicious codes, judge the operation schedule of the malicious codes according to the monitoring of the operation state of the infectious malicious codes, and recover the infected document information.
Owner:BEIJING ANTIY NETWORK SAFETY TECH CO LTD

Automatic rubber pipe cutting off device

The invention discloses an automatic rubber pipe cutting off device. The automatic rubber pipe cutting off device comprises a turntable device, a rubber pipe conveying device and a rubber pipe cutting device which are arranged in sequence; the rubber pipe cutting device comprises a cutting platform provided with a rubber pipe inlet and a cutter and a cutter drive device which are mounted on the cutting platform, the cutting platform is vertically mounted on an output hole of the rubber pipe conveying device, and the cutter is mounted on one side of the rubber pipe inlet; the cutter driving device is connected to the cutter and used for driving the cutter to perform a cutting action along an operation direction vertical to the rubber pipe. The turntable device and the rubber pipe conveying device can realize quick disassembly and assembly of a rubber pipe turntable and no deformation of a conveyed rubber pipe and ensure an assembling quality of the rubber pipe, and the practicability is high; meanwhile, the automatic rubber pipe cutting off device is also provided with a control device mainly consisting of a first sensor, a second sensor and a central controller, the integral working of rubber pipe conveying and rubber pipe cutting is realized, and the automatic rubber pipe cutting off device has the characteristics of high intelligentizing degree, high production efficiency and low enterprise labor cost.
Owner:QINZHOU UNIV

Photovoltaic power generator set performance monitoring method based on eight states

The invention discloses a photovoltaic power generator set performance monitoring method based on eight states. A hardware structure comprises an onsite side which is connected with a centralized control center side; the onsite side comprises a telecontrol machine which is connected with a communication manager, and the communication manager is connected with a first three-layer switch which is connected with a vertical encryption device; the centralized control center side comprises a vertical decryption device which is connected with a second three-layer switch, and one end of the second three-layer switch is connected with a real-time database and control server cluster and the other end is connected with a system monitoring terminal; and the vertical encryption device is connected with the vertical decryption device. The photovoltaic power generator set performance monitoring method based on the eight states has characteristics that fine management and monitoring can be performed on the inverters in a photovoltaic power generator set so that working efficiency is enhanced, availability rate of the photovoltaic power generator set is enhanced and labor intensity is reduced.
Owner:NANJING HUADUN ELECTRIC POWER INFORMATION SAFETY EVALUATION CO LTD

Suspended self-balancing self-cruising water quality on-line monitoring device and monitoring and evaluating method

PendingCN114371268ASolving the problem of continuous optimal monitoring of water areasAvoid errorsWaterborne vesselsTesting waterTerrainControl system
The invention relates to a suspended self-balancing water area self-cruising water quality online monitoring device and a monitoring and evaluating method. The device comprises a suspended cabin main body, a communication and control system and a suspended carrying table capable of adjusting a self-balancing posture, suspension feet for driving the suspension cabin main body to perform self-balancing attitude adjustment, cruise or fixed-point suspension are arranged outside the suspension cabin main body, and the communication and control system is used for planning a W-shaped water area cruise path and sampling points according to the water area terrain, controlling the water sample detection device to perform online water quality detection along the sampling points, evaluating the water area water quality according to the online detection result and outputting the water area water quality. The device, the monitoring method based on the device, the evaluation method based on the monitoring method, automatic path and sampling point planning and precise positioning self-cruise monitoring are achieved, the position is stable in the monitoring process, and self-balance is not disturbed by water surface fluctuation; the method improves the monitoring and evaluation precision, greatly reduces the water area monitoring and evaluation cost, and is especially suitable for water quality monitoring and evaluation of different flowing water areas and water areas needing to be continuously monitored.
Owner:JIANGSU UNIV

Intelligent production system and production process of acrylic emulsion

The invention discloses an intelligent production system and production process of an acrylic emulsion. The intelligent production system comprises an intelligent system and a production device, wherein the intelligent system comprises a one-key start-up system, an automated control system and a data statistical system, the production device comprises raw material tanks, auxiliary material tanks, a pre-emulsification pot, an initiator pot, a reactor, an aftertreatment pot and finished product tanks, the one-key start-up system is in signal connection with the production device, and the automated control system is in signal connection with the pre-emulsification pot, the initiator pot, the reactor and the aftertreatment pot separately. According to the intelligent production system and the production process, management on a whole process of production planning, performing and check is achieved, manual intervention and misoperation are effectively reduced, the number of operating personnel is reduced, the labor intensity of the operating personnel is lowered, the preparation cycle is shortened, the product quality is improved, the product quality is stable, the production efficiency is increased, the production cost is controlled and reduced, the monitoring on a production process is achieved, and process operation flows are simplified; the intelligent production system and the production process are energy-saving and environmentally friendly, judgment processing is intelligent, and thus, the occurrence of safety accidents during production is lowered.
Owner:沧州渤海新区互益化工有限公司

Steam turbine rotating speed control method based on valve characteristic curves under extreme working condition

ActiveCN112627923AReduced monitoring and operational workloadEnsure safetyEngine componentsSteam engine plantsProcess engineeringPower grid
The invention discloses a turbine rotating speed control method based on a valve characteristic curve under an extreme working condition. The turbine rotating speed control method comprises the following steps: setting a set pressure P0 of main steam and a set pressure PREH0 of reheated steam; obtaining an actual pressure value P1 of the main steam and an actual pressure value PREH of the reheated steam according to a steam turbine control system; comparing the actual pressure value P1 of the main steam with the set pressure P0, and if P1 is larger than or equal to P0, fixing the opening degree of a high-pressure bypass valve and adjusting the opening degree of a low-pressure bypass valve; and if P1 is smaller than P0, fixing the opening degree of the low-pressure bypass valve and adjusting the opening degree of the high-pressure bypass valve. Steam flow of a reheat steam cold section and a reheat steam hot section can be distributed according to the unit condition under the extreme working condition, and impulse rotation and constant speed of a rotor are automatically maintained under the condition that steam inlet flow of a high-pressure cylinder and a medium-pressure cylinder is guaranteed. The monitoring and operation workload of operators is greatly reduced, the grid-connected time of a unit is shortened on the basis of ensuring the safety and stability of the unit and a power grid, and the overall improvement of the safety and economy of the unit is facilitated.
Owner:CHONGQING VOCATIONAL INST OF ENG

High-synchronization concurrent group control method and system for smart community, and storage medium

The invention belongs to the technical field of smart communities, and discloses a high-synchronization concurrent group control method and system for a smart community, and a storage medium. The high-synchronization concurrent group control system of the smart community comprises an equipment management module, a parameter acquisition module, a data processing module, a data transmission module, a central control module, a synchronous beacon generation module, a code identification module, a synchronous adjustment module, an adjustment monitoring module and a beacon updating module. Integrated application of new-generation information technologies such as the Internet of Things, cloud computing and the mobile Internet is fully utilized, a safe, comfortable and convenient modernized and intelligent living environment is provided for community residents, and an intelligent community is truly achieved; a synchronous group control code contained in the synchronous sequence beacon is sent to a plurality of community management devices in a cooperative matching state through a central control module; therefore, the problem of sending efficiency of group control synchronous concurrent data is solved, network service resources are saved, and the resource efficiency of concurrent data transmission is greatly improved.
Owner:杭州雅观科技有限公司

One-machine multi-antenna GNSS signal switch

The invention relates to a one-machine multi-antenna GNSS signal switch, comprising a plurality of antenna interfaces, two serial ports and a power interface; the antenna interfaces are used for wiredconnection with a positioning antenna through antenna cables, and the power interface and the serial ports are connected to a monitoring host; and the switch further comprises a singlechip and an antenna switch, wherein the singlechip controls the antenna switch to be switched to a monitoring antenna to be connected. By setting the plurality of antenna interfaces and the antenna switch, a plurality of displacement monitoring points share one monitoring host and can be automatically switched between the connected monitoring antennas according to the set frequency, and the monitoring and positioning data of different antennas is transmitted to the monitoring host, so that one monitoring host monitors the displacement of the plurality of monitoring points. The switch used in a monitoring system with dense monitoring points can greatly reduce the monitoring and later operation and maintenance costs. Compared with the conventional monitoring equipment, the switch can increase the cost input to the hardware, power supply, communication and construction, and improve the stability of the monitoring equipment.
Owner:SHENZHEN BEIDOUYUN INFORMATION TECH CO LTD
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