40results about How to "Guaranteed collection of data" patented technology

The invention relates to the technical field of power grid operation and monitoring, in particular to a power grid operation information panoramic visualized display system. The power grid operation information panoramic visualized display system is provided in order to solve the problems that compatibility is poor and data are incomplete in the power grid visualization technical field in the prior art. An intelligent data information integration platform 1 based on power grid device resources, power grid operation information and power grid management service information is established, all information related to power grid operation is integrated, statistic analysis and data mining are conducted on the basis of information integration, power grid operation decision making is assisted, graphic display is conducted, graphic application services are released for being called by other systems, compatibility is good, and the application and popularization prospects are wide.

The invention discloses a remote monitoring maintenance method and a remote monitoring maintenance system based on 3G and wind-solar complementary power supply technology. The method comprises programmable logic controller (PLC) data acquisition and control, wind-solar complementary power supply, 3G wireless communication and remote monitoring maintenance, wherein wind-solar complementary new energy power supply technology, 3G network communication technology and automation control technology are organically combined to acquire data of temperature, pressure, flow, water level, water quality and other data of a pump station and monitor the pump station on site. The remote monitoring maintenance system and the PLC data acquisition and control system adopt a distributed structure; the remotemonitoring maintenance system monitors the data of each PLC data acquisition and control system on line in real time; a 3G wireless communication system provides smooth and rapid communication for the remote monitoring maintenance system and the PLC data acquisition and control system; and a wind-solar complementary power supply system provides power supply for the PLC data acquisition and control system. The method and the system realize wireless energy of the remote pump station and data transmission operation.

A realization method of a calibration system of a strapdown inertial measurement unit based on Labview comprises seven steps: 1, arrangement of parameter, 2, controlling of a rotary table, 3, data acquisition, 4, data storage, 5, calibration and solving, 6, verification of calibration results, and 7, display and function of calibration interface. The method improves an automation degree of the calibration of the inertial measurement unit, saves labor and time needed by the calibration experiment, guarantees reliability of the data acquisition and the controlling of the rotary table, and timing accuracy, and has relatively good practical value and broad application prospects in the technical field of inertial navigation.

The invention discloses a multi-data fusion meteorological prediction early warning method, and the method comprises the steps: carrying out the assimilation of meteorological observation data througha multi-source 4D-WRF-EnSRF data assimilation system, enabling the assimilation data to serve as the input of a DeepConvLSTMs artificial intelligence prediction network, and achieving the training ofthe network and the real-time rainfall prediction of multiple data sources; finely dividing rainfall intervals, and setting early warning levels; seamlessly dividing the coverage area of each mobilemeteorological station; and planning a mobile meteorological station, a meteorological monitoring center, a multi-means publishing platform and a prediction and early warning information publishing system, and guaranteeing real-time linkage of the system architecture. Multi-data acquisition and fusion are realized, prediction and early warning results are uploaded and issued in real time, a to-be-rescued area is rapidly locked, a rescue scheme is issued, and rescue field communication is ensured; the weather forecasting and early warning timeliness and accuracy are improved, the early warninginformation publishing coverage rate is increased, the weather disaster prevention and reduction service capacity and the rescue capacity are enhanced, and life and property losses caused by rainstormdisasters and secondary derivative disasters of the rainstorm disasters are effectively reduced.

The invention provides a dual-CPU embedded navigation computer, composed of a MCU module, a PC104 module, an A / D conversion module, a dual-port RAM data share module, a complex programmable logic device decoding module and a serial communication interface module. The IMU inertial sensor information is processed by A / D conversion into digital values to be input into the MCU module, buffered by the dual-port RAM and fed into the PC104; GPS and electronic compass navigation information are directly fed into the PC104 via interface circuit to process navigation data fusion, the calculation result is transmitted to external system via interface circuit or visually displayed via a man-machine interaction interface of the system; the data acquisition is completed under the combination control of the MCU module and the CPLD decoding module. The invention has the advantages that: (1) the dual-CPU embedded navigation computer has high navigation information processing speed; has many data acquisition channels; (3) has strong communication ability; (4) has small volume low cost, high reliability, simple operation and simple man-machine interaction.

The disclosure provides an inspection data collection method for an overhead line of a distribution network and a patrol inspection system. A current pose and travel speed of a patrol inspection vehicle are obtained; distances between the patrol inspection vehicle and all to-be-detected distribution network towers are calculated; when the distance between the patrol inspection vehicle and one tower is less than a set threshold, a cloud platform is controlled to make action; and thus a carried detection sensor tracks an overhead line between the current tower and the adjacent tower and the running state data of the line are collected based on set frequency.

The invention discloses a data acquisition monitoring system and acquisition monitoring method based on a CAN bus and an OPC (OLE for process control) technology. The system comprises an upper computer and data conversion equipment connected with the upper computer by a network cable; the data conversion equipment is connected with a plurality of detection devices by CAN communication wires; and the detection devices are connected with corresponding to-be-detected equipment. The method comprises the following steps of: (I) data processing of frames received by the upper computer; (II) data conversion of the frames received by the upper computer; (III) debugging on the detection devices; and (IV) operation of the detection devices. The invention provides the field data acquisition monitoring system suitable for industrial application, so that transmission of instructions and data between acquisition monitoring software and the detection devices is implemented, equipment parameters which need to be monitored are acquired by utilizing the detection devices and data (detection results) is shared with other clients in an OPC mode.

The invention discloses a Beidou_SINS compact combined navigation system and method based on a multi-core DSP. The system comprises a micro inertial measurement unit used for measuring the rotation angular velocity and accelerated velocity of a carrier and the magnetic field intensity information of an environment; a Beidou satellite navigation receiver used for measuring the position, pseudo-range and pseudo-range rate information of a satellite and the initial velocity and position information of the carrier; a multi-core DSP unit used for collecting the data of the micro inertial measurement unit and the data of the Beidou satellite navigation receiver, for analyzing the data, selecting the satellite, correcting the measured range error and performing SINS resolving, estimating the posture information of an SINS, fusing the pseudo-range and pseudo-range rate data of a Beidou system and the SINS, estimating and compensating an SINS position error and velocity error, and then outputting navigation data with high accuracy and high refresh rate. According to the Beidou_SINS compact combined navigation system and method based on the multi-core DSP provided by the invention, the datafrom multiple sensors can be fused, and the data processing can be performed on the multi-core DSP unit, so that the compact combined navigation with high precision, dynamics and relatively high anti-interference performance is achieved.

The invention discloses a sensor wireless calibration device and method. The sensor wireless calibration device comprises a sensor to be calibrated and a standard sensor, the signal generation module is used for simultaneously applying the same test signal to the standard sensor and the sensor to be calibrated; the control module comprises a first data receiving unit used for receiving a first output signal output by a standard sensor and receiving a second output signal output by a sensor to be calibrated; the first data is used for receiving the first output signal and the second output signal and sending out; the mobile client is used for comparing and displaying the first output signal and the second output signal; a parameter modification instruction is generated according to a modification parameter input by a user, and the parameter modification instruction is transmitted to the first data receiving unit; and the calibration unit performs parameter modification on the to-be-calibrated sensor according to the parameter modification instruction. The technical effects that the parameters of the sensor are calibrated through the mobile client, the circuit connection is simple, and the movement range of the operator is large are achieved.

The invention discloses a power supply centralized monitoring system which comprises a plurality of power supply monitoring modules and a plurality of paths of CAN / RS485 buses, wherein each power supply monitoring module is used for monitoring corresponding power supply data or information; each power supply monitoring module is connected to the corresponding CAN / RS485 bus; each CAN / RS485 bus is connected to a control cabinet; the CAN / RS485 buses are used for transmitting the power supply data or information monitored by the power supply monitoring modules to the control cabinet; the control cabinet parses the received power supply data or information, displays the power supply data or information on a touch screen of the control cabinet and simultaneously, uploads the power supply data or information to a local user information transmission module; and by the local user information transmission module, the power supply data or information is transmitted to a cloud end. The invention further discloses a monitoring method of the power supply centralized monitoring system.

The invention discloses an embedded-type factory waste water remote detection device facilitating management, and the device comprises a distributed WSN detection module and a remote monitoring system. The distributed WSN detection module comprises a first water quality detection module, a second water quality detection module, and a water quality detection module N. The output ends of the first and second water quality detection module and the water quality detection module N in the distributed WSN detection module are electrically connected with an input end of a data processing module. According to the invention, through the setting of the distributed WSN detection module, the data display module and the data querying module, the device can autonomously complete a distribution monitoring task according to different environments, and WSN can be equipped with various types of water quality sensors. A short-distance wireless communication mode is employed for forming a self-organizing network. Compared with a conventional water quality real-time monitoring system, the device reduces the cost while guaranteeing the data collection, transmission, storage and querying of the water quality monitoring system. Moreover, a monitoring node is easy to install and maintain, and is higher in flexibility.

The invention provides a water environment monitoring system based on NB-IoT ((Narrow Band Internet of Things). The system comprises a plurality of data acquisition nodes, an upper computer and an application server, wherein the data acquisition nodes, the upper computer and the application server are sequentially connected; the data acquisition nodes are distributed in different places of a waterregion; the water quality parameter data is collected; the collected parameter data is transmitted to the upper computer; the upper computer receives and stores the parameter data; a NB-IoT data platform is built; the application server and the NB-IoT data platform are in butt joint for displaying the parameter data. The water environment monitoring system provided by the invention has the advantages that the manual timing sampling is not needed; the cost is low; the collected data can be displayed and monitored in real time through the application server; the monitoring on the data such as water environment PH, temperature, salinity and oxygen content can be effectively realized.

The invention discloses a power quality monitoring and querying method. The method comprises the following steps: collecting, by data monitoring nodes, power quality indicators of respectively monitored distributed power sources in real time, and periodically sending the power quality indicators to corresponding transfer nodes. By adoption of the power quality monitoring and querying method disclosed by the invention, the security of a query end and a power quality monitoring center is both considered, and during large-scale dynamic expansion of data, system stagnation is generated by encryption and decryption. The data monitoring node can accurately obtain the accurate time when a network signal reaches a certain node in the network, has better fault tolerance for the loss condition of received Ethernet frame signals from different signals, improves and effectively optimizes the real-time performance of power quality monitoring of the distributed power sources, can ensure the data collection, transmission and storage in a certain degree of extreme weather, and improves the reliability of power supply.

The invention belongs to the technical field of servo drivers and discloses an alternating current servo driver system and a control method. A DSP (digital signal processor) of the system is connectedwith a three-phase sine PWM voltage type inverter and a rotating transformer through leads, the three-phase sine PWM voltage type inverter and the rotating transformer are connected with a three-phase permanent magnet type synchronous alternating current servo motor through leads, a rectifying filter circuit is connected with a soft start circuit through a lead, the three-phase permanent magnet type synchronous alternating current servo motor is connected with a photoelectric encoder and a current sampling circuit, and the DSP is sequentially connected with a PLC (programmable logic controller) and a touch display screen through leads. The system is controlled by the DSP, forms speed and displacement control closed loops through frequency conversion operation, is more sensitive to controland quick to start, cannot impact a driver, acquires speed and current data of the motor and sends acquired data to the DSP for corresponding control.

In a data transmission system, a control device and a plurality of terminal devices are connected to each other through transmission path. A pulse signal composed of a data string is transmitted between the control device and the terminal devices. The data string has such a structure, including a mode region, an address storage region, a command region and a return data region which are disposed between a start bit and a stop bit; the stop bit could be replaced by an expanded bit which has a wave shape different from that of the stop bit; the mode region stores the the information for indicating that the data string is used for collecting the data or for controlling the terminal device; the address storage region stores the information for appointing the termial device; the command region stores the information for indicating the command content of the terminal device; and the return data region stores the return data. When the stop bit is replaced by the expanded bit, an expanding return data region is added followed by the expanded bit and the expaned return data is stored in the expanded return data region.

The invention discloses a real-time monitoring and hierarchical control execution system for discharge and purification process of pollutants, specifically relating to the real-time monitoring and hierarchical control execution system for discharge and purification process of pollutants. A technical problem that needs to be solved is to provide the real-time monitoring and hierarchical control execution system for discharge and purification process of pollutants, thus, making the discharge and purification process of pollutants monitored and controlled. Different execution methods can be adopted according to the different discharge and purification level. The adopted proposal comprises a core layer, a transmission layer and a centralized control layer. The system consists of a core layer, a transmission layer and a centralized control layer from top to bottom. The core layer has relative serves to form an Ethernet net. The transmission layer comprises transmission equipment and a network platform for network operators. The centralized control layer comprises an intelligent real-time monitoring box and an intelligent layering control box. The invention can be widely applicable to the factories that discharge pollutants and purification factories, which illustrates a good prospect of application.

The invention relates to an integrated data migration method for a PMS. The method comprises a PMS reference library, a PMS production library, a middle library, an engineering library, an original production system, a support platform and an integrated system. The middle library is used for physical media which are used for data collection, check and storage. The method has the advantages that the data of the original production system and the data of a GIS system are firstly migrated to the middle library; the data is cleared and checked through the middle library; digital display data is imported into the PMS production library; the data verification in the migration process and the final data check are ensured; the migrated data is complete and accurate; system applications are normal, the safe production service is not influenced; the workload of a basic level team or group is not increased; the system data is not reworked repeatedly; and a practical demand of the production management system is satisfied.

The invention discloses a pure sine wave inverter with a high-frequency chopper current sampling and isolating function. The pure sine wave inverter comprises the components of a power input module, an input isolating module, a PWM modulation module, a transformation / rectification / filtering module, an SPWM driving module, an LC filtering module, a sine wave generator, an MCU and a current sampling module. The sine wave generator comprises a first reverse blocking IGBT, a second reverse blocking IGBT, a third freewheeling tube, a fourth freewheeling tube, a sixteenth resistor, a first inductor, a sixth filtering capacitor and a load. The current sampling module comprises a first shunting MOS tube, a second sampling MOS tube, a third sampling MOS tube, a fourth sampling MOS tube, a sampling resistor, a first control resistor and a second control resistor. The pure sine wave inverter has advantages of preventing signal interference, ensuring high accuracy of data which are acquired by an instrument, prolonging service life, reducing weight, realizing relatively convenient mounting, realizing no use range limitation, and realizing sampling on a plurality of current values.

The invention provides textile detection equipment which comprises a detection machine body and a beam frame, and a first machine vision camera is connected to the middle of the top surface of the inner side of the beam frame; a detection cavity communicated to the upper surface of the detection machine body is formed in the detection machine body, a shaft rod is rotationally connected to the middle position of the detection cavity, a cross-shaped connecting rod is in key connection with a rod body of the shaft rod, and each rod end of the cross-shaped connecting rod is in butt joint with a cloth carrying mechanism; a second machine vision camera is mounted on the left cavity wall of the interior of the detection cavity, a washing mechanism is mounted on the bottom cavity wall of the interior of the detection cavity, and a drying mechanism is mounted on the right cavity wall of the interior of the detection cavity; according to the textile sample fabric quality detection device, after the textile sample fabric is installed on the fabric carrying mechanism, along with rotation of the shaft rod, multi-aspect quality detection of the textile sample fabric can be directly completed, quality detection of multiple textile sample fabrics can be carried out at the same time, the detection efficiency is high, and application and popularization have good economic benefits and social benefits.

A realization method of a calibration system of a strapdown inertial measurement unit based on Labview comprises seven steps: 1, arrangement of parameter, 2, controlling of a rotary table, 3, data acquisition, 4, data storage, 5, calibration and solving, 6, verification of calibration results, and 7, display and function of calibration interface. The method improves an automation degree of the calibration of the inertial measurement unit, saves labor and time needed by the calibration experiment, guarantees reliability of the data acquisition and the controlling of the rotary table, and timing accuracy, and has relatively good practical value and broad application prospects in the technical field of inertial navigation.

The invention provides a distributive power supply power quality monitoring method. The method comprises the steps of performing networking on a data monitoring node, a transfer node, a power qualitymonitoring center and a mobile apparatus, and the like. The data monitoring node can accurately obtain the exact time when a network signal reaches a node in a network and better fault tolerance can be provided for loss of received Ethernet frame signals from different signals, so that the instantaneity of distributive power supply power quality monitoring is effectively improved, data collection,transmission and storage in extreme weather of certain degrees can be guaranteed and power supply reliability is improved.

The invention discloses a fixed-wing automatic navigation flight control system and a using method thereof. The fixed-wing automatic navigation flight control system comprises an automatic navigation flight controller and ground station telemetry data monitoring software which are arranged on an aerocraft, wherein the automatic navigation flight controller comprises a central processing unit, a triaxial gyroscope, a triaxial acceleration sensor, a triaxial magnetic field sensor, a GPS (Global Positioning System) module, an air pressure sensor and a communication interface, the triaxial gyroscope, the triaxial acceleration sensor, the triaxial magnetic field sensor, the GPS (Global Positioning System) module, the air pressure sensor and the communication interface are respectively connected with the central processing unit, and a wireless receiving-transmitting device is mutually communicated with the central processing unit through the communicated interface; the ground station telemetry data monitoring software comprises a signal transfer plate, a data wireless transmission receiving-transmitting device, a remote controller receiver device and a USB transfer serial-port communication device, the data wireless transmission receiving-transmitting device, the remote controller receiver device and the USB transfer serial-port communication device are respectively connected with the signal transfer plate; the ground station telemetry data monitoring software is connected with the signal transfer plate through the USB transfer serial-port communication device; and the automatic navigation flight controller is communicated with the ground station telemetry data monitoring software through a wireless data transmission broadcasting station. The fixed-wing automatic navigation flight control system can accurately complete the preset flight mission and lengthen the control distance and range of a plane through a remote-control transfer control device, thereby ensuring high reliability and high stability of flight.

The invention discloses a power quality monitoring and querying system, comprising a data monitoring node. In the power quality monitoring and querying system disclosed by the invention, the securityof a query end and a power quality monitoring center is both considered, and during large-scale dynamic expansion of data, system stagnation is not generated by encryption and decryption. The data monitoring node can accurately obtain the accurate time when a network signal reaches a certain node in the network, has better fault tolerance for the loss condition of received Ethernet frame signals from different signals, improves and effectively optimizes the real-time performance of power quality monitoring of distributed power sources, can ensure the data collection, transmission and storage in a certain degree of extreme weather, and improves the reliability of power supply.