95results about How to "Real-time data transmission" patented technology

The invention discloses a bus station origin-destination (OD) obtaining method based on an urban advanced public transportation system. A station card-swiping OD matrix of a bus route of passengers through reasonable processing and correct matching through bus operation and passenger integrated circuit (IC) card-swiping data provided by the urban advanced public transportation system. Based on the urban IC card-swiping number and operation income of the public transportation system, the station OD matrix is finally obtained according to the proportion and expanded samples of the urban IC card-swiping number and the operation income. The bus station OD obtaining method fully considers the influence of several card-swiping times of the passengers and route transfer and the like on the station OD, and can process outgoing data of one IC card-swiping time well. The method facilitates calculation, is strong in practical applicability, can adopt computer programs to achieve real-timeness, automation and quickness of OD obtaining, can provide data support for optimizing and planning urban public transportation lines and formulation of a public transportation regulation scheme and has important significance on improvement of the urban public transportation situation.

The invention discloses an offshore landing platform for an unmanned aerial vehicle. The offshore landing platform comprises an unmanned ship, the unmanned aerial vehicle and a buoy sub-body, whereinthe unmanned ship comprises a shipborne controller, a ship body, a shipborne communication module and a charging module, wherein the ship body, the shipborne communication module and the charging module are electrically connected with the shipborne controller; the unmanned aerial vehicle comprises a flight control module, a data acquisition module, a power supply detection module, an airborne charging module and an airborne communication module, wherein the data acquisition module, the power supply detection module, the airborne charging module and the airborne communication module are electrically connected with the flight control module; the airborne charging module comprises a conical body and an airborne charging interface; the shipborne charging module comprises a conical groove, a conical ring adapted to the external surface of the conical body and a shipborne charging interface corresponding to the airborne charging interface; and the unmanned aerial vehicle landing control method is implemented on the offshore landing platform. According to the offshore landing platform, through the ultrasonic detection, GPS positioning, visual positioning and an infrared detection modules,the flight and landing paths of the unmanned aerial vehicle are controlled accurately, the structure of the charging module is optimized and matched to enable the unmanned aerial vehicle charging docking to be accurate, the data transmission efficiency is high, and the monitoring information is real-time and effective.

The invention discloses a wireless sensor data highly efficient collecting method based on clustering; the cluster-head node is fixed, and has strong data processing capacity and continual energy supply. The Sink node and cluster-head node send the beacon signal periodically; and the beacon signal is a framework forming the whole wireless sensor network. The cluster-head node and the sensor node carry out a series of operations according to the corresponding beacon signal, wherein a clock period adjustment mechanism is the key support technology in the algorithm; and the nodes in network adoptthe data transmission way of active synchronization to carry out low-power consumption high-speed data communications, thereby reducing the communications jamming among each node, and guaranteeing the stability, reliability and instantaneity of data transmission. The invention is suitable for the application occasion needing fast, continuous and real-time data collection.

The invention discloses a source-network coordinating combination real-time simulation system and data transmission method based on an RTDS, and relates to the field of power system simulation and control. The source-network coordinating combination real-time simulation system comprises a source side millisecond-level real-time simulation system and a network side RTDS microsecond-level real-time simulation system, wherein the source side millisecond-level real-time simulation system is formed by connecting a GTFPGA board card and a PB5 board card in an SFP photoelectric receiving and dispatching interface mode, and the network side RTDS microsecond-level real-time simulation system is formed by a data interface machine and a coordinating server through a TCP/IP protocol in a data buffering block mode. Data transmission between the source side millisecond-level real-time simulation system and the network side RTDS microsecond-level real-time simulation system is achieved through the data transmission between communication interfaces. According to the data transmission method, the data transmission between the two simulation systems is achieved through the data transmission between the communication interfaces, working stability is enhanced, and the anti-jamming capability of the simulation system is improved.

The invention discloses a non-fixed-contact-type electrocerebral acquisition system and an information acquisition method of the non-fixed-contact-type electrocerebral acquisition system, wherein an acquisition unit array comprises an electrocerebral reference-potential unit, a plurality of electrocerebral acquisition units and a plurality of temperature acquisition units, wherein the electrocerebral acquisition units, the temperature acquisition units and the electrocerebral reference-potential unit are all arranged on an electrode-array fixing device and are respectively used for acquiring electrocerebral signal data, acquiring temperature signal data and providing a reference potential for each electrocerebral acquisition unit. According to the non-fixed-contact-type electrocerebral acquisition system and the information acquisition method, electrodes can be tightly stuck to the skin of a human body to accurately acquire electrocerebral signals, extract characteristic information in real time and transmit the characteristic information to a wireless receiving end through radio frequency without using any organic solvent. By adopting the myoelectric acquisition method described by the invention, an electrocerebral acquisition product has the characteristics of simplicity and convenience in wearing or picking operation, high acquisition speed and greater application value, and the quantity of the electrodes can be increased or decreased at all times and places without modifying system hardware and software.

The invention discloses a suspended overhead transmission line online monitoring system and method. The system comprises a suspended monitoring device and a master station system, wherein the suspended monitoring device comprises a mainboard module, a sensor module, a data storage unit, a suspension module, an electricity taking device, a communication module, a camera-shooting module and an innerdiameter adjustment mechanism; the mainboard module is connected with the sensor module, the suspension module, the camera-shooting module, the communication module and the data storage unit; and thesuspension module and the inner diameter adjustment mechanism are connected into a whole. The suspended monitoring device is used for collecting various meteorological conditions and conductor displacement of transmission conductors and transmitting data to the master station system through the communication module; whether a corresponding early-warning threshold is reached or not is judged through a model established according to a neural network in the master station system; and online monitoring is performed on galloping or icing of the transmission conductors under the various meteorological conditions. According to the suspended overhead transmission line online monitoring system and method, self-adaptive adjustment of the monitoring device during detection of transmission lines withdifferent outer diameters can be realized by adjusting the inner diameter change mechanism, the defect that traditional conductor fixing and monitoring equipment is unadjustable is overcome, and theuniversality of the device is enhanced.

The invention relates to an unmanned shipborne unmanned aerial vehicle charging lifting system and an implementation method thereof. The system comprises: a hangar which is arranged on a deck of an unmanned ship, is used for realizing accurate landing and charging control of an unmanned aerial vehicle, and comprises a hangar main controller, a hangar wireless communication module connected with the hangar main controller, a lifting platform, a hangar charging assembly and a landing identifier attached to the surface of the lifting platform; the unmanned aerial vehicle which comprises an unmanned aerial vehicle main controller, and an airborne pan-tilt camera, an airborne charging assembly, an unmanned aerial vehicle wireless communication module and a GPS positioning navigation module which are connected with the unmanned aerial vehicle main controller; and a remote base station which is in wireless communication with the hangar and the unmanned aerial vehicle and is used for sending atask instruction and receiving information acquired by the unmanned aerial vehicle. Compared with the prior art, the unmanned shipborne unmanned aerial vehicle charging lifting system and the implementation method thereof have the advantages of being wide in application, high in efficiency, accurate in positioning, simple in butt joint and the like.

The invention belongs to the power equipment detection technology. In order to achieve diagnosing and identifying of partial discharge of silicone rubber under a composite electric field by using thehigh-frequency current transformer partial discharge detection technology, the high-frequency current method composite electric field power cable middle interface partial discharge detecting system iscomposed of a composite electric field partial discharge device, a high frequency current signal acquisition unit, a data transmission unit and a data processing unit; the composite electric field partial discharge device comprises a high voltage direct current power source, a pulse power source, a voltage composite unit and an analog partial discharge device; the output ends of the high voltagedirect current power source and the pulse power source are connected to the input end of the voltage composite unit; the analog partial discharge device is composed of a pin plate type electrode and asilicone rubber sample; and signals collected by the high frequency current signal acquisition unit are transmitted to the data processing unit through the data transmission unit to be processed andthen output. The high-frequency current method composite electric field power cable middle interface partial discharge detecting system is mainly applied to the design and manufacturing occasions of apower equipment detection device.

The invention provides an inter-network data bidirectional transmission method and device, and the method comprises the steps: monitoring whether a first network end has data to be transmitted to a second network end or data to be received or not, wherein the first network and the second network are physically isolated from each other; when it is monitored that to-be-sent first data exists in thefirst network end, determining whether the first data is sent or not according to the receiving and sending state of the first network end, and if yes, sending processing is carried out, and converting the first data into first two-dimensional code data; displaying a first two-dimensional code image corresponding to the first two-dimensional code data, so that the second network terminal scans thefirst two-dimensional code image; when it is monitored that the second two-dimensional code data to be received exist in the first network end, determining whether the second two-dimensional code data are received or not according to the receiving and sending state of the first network end, and if yes, conducting receiving processing. Through the scheme, bidirectional and real-time data transmission between different physically isolated networks can be realized.

The invention discloses a cross-language task scheduling method and device, equipment and a readable storage medium. The method comprises the steps of obtaining an upstream task and a downstream taskhaving a task dependency relationship; allocating an upstream task to the upstream node, and allocating a downstream task to the downstream node; wherein the upstream node and the downstream node correspond to different programming languages; determining a data exchange rule by utilizing the task dependency relationship; establishing communication connection corresponding to remote procedure callbetween the upstream node and the downstream node; and performing cross-language real-time data transmission between the upstream node and the downstream node by utilizing communication connection andcombining a data exchange rule. According to the method, under the condition that scheduling and calculation of distributed tasks can be met, independent storage of intermediate result data is omitted, the IO storage overhead of the system is reduced, and the task execution efficiency can be improved.

The invention relates to system and a method for managing animal quarantine permits based on network; the system comprises a personal computer (PC) client, a user integrated circuit (IC) card, a quarantine permit printing terminal and a data server, wherein the PC client is provided with an IC card reader-writer, and is connected with the server by data; the quarantine results can be inquired by the user IC card through the IC card reader-writer arranged at the PC client; the quarantine permit printing terminal is provided with a printer and is used for reading the data of the user IC card; and the printer is used for printing the quarantine permits. Therefore, a farmer can inquire the quarantine situation by one IC card, the quarantine permits can be printed at any time, and the system is simple and convenient; and furthermore, the data obtained after the quarantine is carried out by the department of epidemic prevention and quarantine is directly transmitted into the server and then is written into the user IC card, so that the data management is more effective.

The invention discloses an SERS-based portable single-wavelength Raman photometer, comprising a signal excitation optical path system, a signal collection optical path system, a mechanical control system and a circuit system, wherein the signal collection optical path system comprises a dichroscope, an achromatism doublet, a pinhole filtering structure, an achromatism doublet, a long pass filter,a narrow band filter and a photomultiplier in sequence; the rayleigh scattering of an SERS signal generated by a monochromatic light excitation sample is filtered when passing through the dichroscope,the scattered light within a target wave band is accurately screened out when passing through the narrow band filter, and finally the signal of the target substance is detected by the photomultiplierat last. By switching the specially designed narrow band filter, the accurate quantitative analysis of three substances can be realized, and the SERS-based portable single-wavelength Raman photometerhas the characteristics of small device volume, high sensitivity, and corresponding rapidity. The SERS-based portable single-wavelength Raman photometer disclosed by the invention is very applicableto the field of analysis where a large amount of repetitive test works are required within a short period of time.

The invention discloses a law enforcement recorder for patrol, a control method and a working method thereof, comprising a law enforcement recorder body, an unmanned aerial vehicle and a background server. Using a combination of unmanned aerial vehicles and law enforcement recorder body, The system can arrive at the scene at the first time for recording shooting, and can quickly arrive at the scene when the road condition is poor or the police officer is far away. The shooting of the scene can be transmitted to the background server through the 4G module, so that the situation of the scene canbe checked or real-time monitored, and the situation of the scene can be accurately understood. Both the UAV and the law enforcement recorder are equipped with 4G modules, which can transmit data with the background service in real time, and record the scene from multiple angles and near and far focus.

The invention discloses a method and a device for measuring the rotating speed of a table tennis ball. The method comprises the following steps of: constructing a coordinate system, setting an image acquisition range and acquiring an image; identifying a mark of a table tennis ball and acquiring a main direction of the mark; calculating an included angle alpha between the main direction and the xaxis of the coordinate system; obtaining an included angle beta between the main direction of the mark of the table tennis ball in the image and the x axis of the coordinate system after a time interval T; obtaining the rotating direction of the table tennis ball according to the angle difference between the included angle alpha and the included angle beta; and calculating the rotating speed omegaof the table tennis ball according to the angle difference and the time interval T. According to the invention, the characteristics of the table tennis ball in the small-range image are analyzed by setting the image acquisition range, so that the defects of large transmission data volume and low speed in the traditional high-speed vision field are overcome, and the rotating speed of the table tennis ball can be calculated in an extremely short time.

The invention discloses a remote interactive control system based on wireless network, including the central control centre, the central control center is bidirectionally connected with a DPOS algorithm processing module, the output end of the DPOS algorithm processing module is connected with the input end of the new block creation system, and the new block creation system realizes bi-directionalconnection with the central control center. The new block creation system comprises a shared information collection module, a shared information integration module, a block creation module and a block sending module, and relates to the field of remote interaction technology. According to the remote interactive control system based on wireless network, it can avoid the clutter of the wires in thewhole factory caused by the way of controlling the construction, Even for some large-scale factory processing enterprises, because of the large scale of the production workshop in the park, the wireless control distance is long, it can also achieve a good remote monitoring, and remote wireless communication control through the block chain is well achieved.

The invention belongs to the technical field of D-series high-speed train running safety monitoring, and particularly relates to a recognition system for a D-series high-speed train driver behavior. The recognition system for the D-series high-speed train driver behavior comprises a vehicle-mounted recognizing instrument, a central server and a ground terminal, wherein the vehicle-mounted recognizing instrument is connected with the central server through a mobile network, is used for acquiring, recognizing and storing audio and video in the D-series high-speed train driver operation process in real time in the D-series high-speed train running process, and can be further in audio/video communication with the ground terminal; the central server is used for processing and storing the audioand video data returned by the vehicle-mounted recognizing instrument, and responding to the operation of the vehicle-mounted recognizing instrument and the ground terminal; and the ground terminal isconnected with the central server, is used for receiving driver behavior information, and can carry out remote audio/video communication with a driver. According to the system, a D-series high-speedtrain driver operation state can be monitored in real time, the driver can be reminded in time, ground management personnel can know the current state of the driver in time through the system, two-wayaudio one-way video talkback can be realized, and train-ground emergency command is simply and quickly realized in an emergency situation.

The invention relates to the technical field of fruit industry automatic machinery, in particular to a detecting and control method of a handheld fruitlet bagging machine. The method includes the steps of S1, fruit bag missing detection is performed; S2, fruit bag anti-counterfeiting detection is performed; S3, fruit bag in-position detection is performed; S4, mechanism positioning detection is performed; S5, fruit stem detection is performed, a fruit stem in-position signal is transmitted to an MCU, the MCU waits for a sealing instruction, a sealing button is pressed to start sealing, a sealing motor completes first sealing, and then the sealing motor completes second sealing; S6, a communication module is used to transmit data. By the method, the fruitlet bagging machine can be controlled and detected to allow the handheld fruitlet bagging machine to complete the whole bagging process according to the figure.