67results about How to "Strong processing function" patented technology

The invention belongs to a screener and a screening method for screening information tending to enter a detection system in the technical field of network safety. The screener adopts a functional module architecture device which is formed by modulating the F P G A logical resource and includes data aggregation, packet and payload separation, screening of suspected threat data packet in a network layer and a transmission layer, output processing, preprocessing, screening of suspected threat data packet in an application layer, and software and hardware interfaces; and the screening method includes aggregation processing, separation processing, screening of suspected threat data packet in the network layer and the transmission layer, output processing, data packet preprocessing and screening of suspected threat data packet in the application layer, and finally sends the data packet containing the suspected threat information into an intrusion detection system. The screener has the advantages of compact design and strong processing capability, the load of the intrusion detection system can be greatly reduced when the screener is matched with the intrusion detection system, and the invention increases the detection efficiency and the utilization ratio of the detection system, expands the range of detection, reduces the running cost, guarantees the safe running of the network, etc.

This invention provides a harmless detection system for powerful transportation belts, in which, an X ray generator working continuously is set at the side of a being tested object-the powerful transportation belt in the system box and radiation shield, said generator emits X rays passing through the belt to be set at the related position of the opposite side of the transportation belt, which is received by the receiving/control board, which includes that an one-way array composed of photoelectric tubes emits electric signals containing image pixels of the being tested object to be collected orderly after amplification and filtration, after the analog signals are amplified, they pass through a D/A converter and parallel/serial converter to generate parallel image pixel digital signals to be transmitted to a frame capture card in the microcomputer, therefore, said serial data flow is analyzed into a digital signal and a control signal to pass through an image analysis system to generate a detailed analysis report forms to be observed directly on the display or printed.

The invention discloses a gas detecting device for measuring the concentration of gas. The gas detecting device comprises a main control module, a display module, an input module, an output module, a safety grid module, a sensor module and a power module. In specific implementation, the gas detecting device is formed by lamination of three layers of a display board, a control board layer and a power board layer, and is externally connected with a sensor probe which can be used for detecting different gases. The gas detecting device disclosed by the invention also supports networking with an upper computer and can support multi-gas and multi-range detection.

A vehicle information system based on an intelligent wearable device and an information exchange method are provided. The vehicle information system is characterized in that the system comprises an electronic control unit associated with an engine electronic control system, and at least one intelligent wearable device; and the electronic control unit includes a wireless transceiver, and communicates with the intelligent wearable device through the wireless transceiver. The advantage lies in that the engine electronic control system and the intelligent wearable device can exchange information wirelessly, information exchange between people can get rid of the special operation mode for vehicle information systems, people can control a vehicle more freely and conveniently, possible influence of information system operating to vehicle control is reduced, and the vehicle driving safety is improved.

The invention relates to a horizontal roundness and cylindricity automatic-measuring device. The measuring device comprises a computer, a data acquisition card, a motion control card, an eddy current sensor, a preamplifier and a horizontal workbench with three degrees of freedom, wherein the computer is used for outputting a control signal to the motion control card according to a programmed program, and the motion control card is used for driving a main shaft rotating motor, an X-axis horizontal moving motor and a Z-axis vertical moving motor in the horizontal workbench with three degrees of freedom to realize rotational motion of a main shaft of the horizontal workbench so as to enable a tested workpiece to rotate; and axial movement and radial movement of the eddy current sensor along the tested workpiece are respectively realized through moving of an X-axis and a Z-axis of the workbench, the eddy current sensor is used for transforming a distance between an actual surface of the tested workpiece and the eddy current sensor into a voltage signal, the voltage signal is detected by the preamplifier, amplified and output to the data acquisition card and then transmitted to the computer for analysis and processing. By adopting virtual instruments, convenient operation, simple maintenance and quick upgrading are realized, and a qualitative leap on the whole measuring device can be reached only by upgrading software.

The method uses main structure of blower fan including sizes of geometry, quantity of blade, obliquity etc. as basic parameters to establish mathematical model. Different geometric parameters as variables are changed, and real objects are manufactured for test so as to obtain a series of experimental data, which shows relation between each geometric parameter and value of energy efficiency. Using neural network tool of radial basic function (RBF) builds model library. For products of blower fan needed to modify, using the model in the model library according to structure type of blower fan, and values of geometric parameters can predict anticipant value of energy efficiency to be obtained if blower fan is manufactured according to parameters adjusted by offsets. The invention also discloses modified strategy in structure type and values of geometric parameters of blower fan. Features are: easy of implementation, low cost, and suitable to medium and minor enterprises.

The invention relates to a liquid level fuzzy controller and a working method thereof. A controller acquires a present liquid level value through a sensor, and calculates a deviation E of a preset liquid level value and a deviation changing rate EC; according to a requirement of fuzzy control, the deviation E and the deviation changing rate EC are subjected to standardization and fuzzification processing, and according to a processing result, the deviation E and the deviation changing rate EC are converted into corresponding domain values M and N in a fuzzy set; according to the values of M and N, a fuzzy control response table is checked out, and an output control quantity is obtained. The liquid level fuzzy controller has the advantages of a low price, a high integrated level, simple structure, high reliability, a strong processing function, simplified operation, high stability, strong anti-interference and the like. Not only is a requirement of liquid level control in industrial production satisfied, but also damage of devices such as a boiler the like is reduced and personal security of work personnel is ensured.

The invention discloses a video monitoring system adopting wind/solar complementary power supply under a wireless Mesh network. The system has the functions of monitoring a large target area under the Mesh network and giving a fire alarm and an antitheft alarm, adopts the wind/solar complementary power supply, and is quick in deployment and convenient to mount and upgrade. Image quality and bandwidth occupation can be regulated. The system adopts software coding and decoding, and can regulate a frame number, resolution, the image quality and the like according to the needs of a user and realize the function of storing and replaying received video monitoring images by a computer or special equipment. The system supports a browser-technology-based network browsing function, and is convenient to use. A plurality of hops of routers are adopted for transmission, so normal data transmission can be ensured not to be influenced under the condition that an individual router is damaged or fails. The system and equipment have lightning protection capability, high voltage interference resistance and powerful data and alarm acquisition control and processing functions, can be normally run under the environments of high temperature, low temperature, strong wind, dust flying, torrential rain and the like, are widely applied in the fields of ports, wireless campuses and the like, and are seamlessly combined with a data monitoring system to realize the linkage of light and an alarm whistle and video recording in alarming.

The invention relates to a shale residual gas content testing system. The shale residual gas content testing system comprises a closed shale sample crushing device, a residual gas content measurement mechanism and a computer, wherein the closed shale sample crushing device comprises a motor, a large reduction gear, a small reduction gear, a sun wheel, a planet wheel and a closed ball milling tank and is used for crushing a shale sample to be in a form of below 60 meshes under a closed condition; the residual gas content measurement mechanism is provided with a temperature sensor, a pressure sensor, a power supply and a data acquisition card, wherein the sensors are used for measuring all parameters inside the closed ball milling tank; the computer is provided with residual gas content testing software for processing, computing, storing and inquiring data measured by the measurement device and can automatically compile and print a measured report after the measurement. The shale residual gas content testing system can achieve the original closed shale crushing and the final residual gas content measurement, and is high in automation degree, easy to operate and reliable in measurement result.

The invention discloses an intelligent traffic investigator, consisting of a data acquisition module, a data communication module and a data processing module. An initial data is gathered at first by the data acquisition module, i.e. the investigator, and then is outputted by the data communication module through a receiving serial port, and saved into a computer in the form of a database; finally, the data processing module extracts the traffic informations recorded on the intelligent traffic investigator such as traffic volume, the journey time and the time of a signal lamp, etc., and processes the corresponding information according to a definition of a user, thereby realizing automation and intellectualization of the data post-processing of a traffic investigation. The intelligent traffic investigator of the invention has the advantages of simple and exquisite structure, easy carrying and easy and convenient operation, thereby being convenient for performing the on-the-spot data acquisition; and a software for processing the data in the investigator takes a normal computer as a carrier and has a powerful processing function, thereby being capable of obtaining the final processed data accurately and quickly.

The invention discloses a virtual automatic control experimental system and a design method of the virtual automatic control experimental system. The virtual automatic control experimental system comprises a time domain analysis method experiment module, a root-locus method experiment module, a frequency domain analysis method experiment module, a system correction experiment module and an open experiment module, wherein the time domain analysis method experiment module comprises a first-order system time domain analysis module, a second-order system time domain analysis module and a high-order system time domain analysis module; the root-locus method experiment module comprises a second-order system root-locus analysis module, a third-order system root-locus analysis module and a high-order system root-locus analysis module; the frequency domain analysis method experiment module comprises a typical link frequency response characteristic analysis module and a composite system frequency response analysis module; the system correction experiment module comprises a series connection lead correction module, a series connection lag correction module, a series connection lag-lead correction module and a PID correction module; the open experiment module comprises a water level control module, an elevator control module and a traffic lamp control module. By means of the virtual automatic control experimental system and the design method, a user can design and simulate an automatic control experiment, the efficiency of the automatic control experiment is improved, limitation of hardware equipment is avoided, an experimenter can conveniently have a study, and shortcomings in a traditional experiment are overcome.

The invention relates to the field of information security, in particular to a key management, data encryption and identity authentication method oriented to an electrical measuring instrument. The method is remarkably characterized in that an asymmetrical encrypting-decrypting mechanism is adopted, and executed by two independent servers; a main server is used for generating and managing public and private keys; and an auxiliary server is used for decrypting a random number sequence generated by the electrical measuring instrument and transmitting the random number sequence to a monitoring center, so that the security of an incredible or unreliable communication transmission link is enhanced. The robustness of information security guarantee is enhanced through electrical energy instrumentidentity authentication based on an OCSVM (One-Class Support Vector Machine) algorithm, and extra processing overhead does not need to be increased. The method can be implemented with limited storageresources and computation capability of the electrical measuring instrument.

The invention relates to an embedded industrial computer based on a superminiature X86 structure. A 2.5-inch main board is adopted, and a digital multimedia unified chip set is adopted as a display chip. A graphic kernel, audio frequency, an internal memory, a memory and high definition television support are integrated, and separate double display is supported. An onboard CPU and a main chip set are adopted, the clock speed of the CPU is 1.0 GHz, an onboard internal memory is 1 Gb, an onboard memory is 4 Gb, two hardware interfaces with 3.0 Gb/s are used, and AMI BIOS (AMI Basic Input Output System) supports an ACPI (Advanced Configuration and Power Interface) power management mode. The heat dissipation design of fanless structure is adopted; the computer can work independently, and a display, a mouse and a keyboard are externally connected. The invention has the advantages of smallest main board size at present, strong processing functions, ultra-low power consumption, complete system and stable and reliable performance; and the embedded industrial computer can be widely applied to various embedded instruments and equipment in industrial and military fields, in particular to the application occasions which require miniature industrial personal computers and strict environment conditions.

The invention discloses an intelligent bed sore prevention and treatment system, which includes several groups of pressure sensors, sensor conditioning circuits, multi-channel selection switches, A/D conversion circuits, microcontrollers, LabVIEW virtual devices, several air pumps, and air bags; A pressure analysis system is developed on the basis of decubitus mattresses, so the pressure conditions in the corresponding areas of the mattress will be monitored according to the actual position of the patient lying down. This design is based on LabVIEW virtual instrument, which has powerful signal analysis and processing functions, and its graphical programming language makes the device easy to debug and has a visual interface.

The invention discloses a connected groove of a silicon material acid plant. The connected groove comprises a primary groove (1), a secondary groove (6) and a groove cover, wherein the primary groove (1) is arranged on the upper part in a cavity of the secondary groove (6) to form an integrated groove body of the primary groove and the secondary groove; a clearance is kept between an outer wall of the primary groove (1) and an inner wall of the secondary groove (6); an overflow port is arranged on the upper part edge of the primary groove; and a cooling system is communicated between the primary groove and the secondary groove and can be used for cooling the liquid in the primary groove (1). The secondary groove and the primary groove are connected to be integral, the functional completeness can be ensured, while the parts in the circulation process are reduced, leakage danger of chemicals is reduced; the stability and safety of the groove acid plant are enhanced due to the integrity; and the production efficiency is improved, and the cost is reduced.

The invention relates to a gear double-tooth error measuring system. The gear double-tooth error measuring system is characterized in that an inductive transducer, a signal conditioning circuit, a data acquisition card, a computer and a displayer which are sequentially connected are included, the inductive transducer is connected with a movable sliding plate of a gear to be measured, the inductive transducer receives change amount signals of a gear double-tooth center distance, the change amount signals pass through the signal conditioning circuit and then are converted into analog signals to be transmitted to the data acquisition card, the data acquisition card conducts analog-digital conversion on the analog signals, afterwards, the analog signals are transmitted to the computer, the computer carries out curve-fitting processing on the analog signals to obtain error curve information, and the displayer is used for displaying. Compared with the prior art, the gear double-tooth error measuring system has the advantages that examination precision and efficiency are high, and the error curve can be observed.

The invention discloses an intelligent training management system. The system comprises an intelligent terminal, a charger, a wireless photoelectric device, a center control box and an intelligent heart rate wristband, wherein the wireless photoelectric device comprises an LED lamp, a storer, a first controller, a sensor function integration module, a communication module and an RTC timing module, and the sensor function integration module comprises a light sensor, an infrared sensor, a horn, a gyroscope sensor and a gravity sensor; the communication module conducts low-power consumption close-range wireless networking communication based on ZigBee, has starlike communication capacity, netty communication capacity and tree-like communication capacity, and can be adapted to different training fields to enable communication among the wireless photoelectric device, the intelligent terminal and the intelligent heart rate wristband in an assisting mode; the center control box comprises an antenna, a first display screen, a battery, a Bluetooth module, a WiFi module, a ZigBee wireless communication module and a second controller. Data generated during training can be recorded by the intelligent training management system.

The invention provides a method for solving a blurred screen phenomenon produced by a video stream transmission system. The method comprises the following steps: importing a message queue and an intermediate proxy, wherein the message queue is used for caching video stream transmitted to a client by a server through a UDP protocol, and the intermediate proxy judges whether the video has been sentto the client after receiving a downloading request and cookie sent by the server; if the video stream has been sent to the client, judging whether the packet loss phenomenon is existent in the videostream cached in the message queue at the first time, if the packet loss phenomenon is existent, re-caching, and continuously enabling the server to send the data cached at the second time to the message cache to cache; when the packet loss phenomenon is inexistent, keeping the video stream of the downloading request received by the server again from caching to the message queue, wherein the intermediate proxy directly takes the video stream in the message queen to send to the client. The existent blurred screen problem due to packet loss or streaming phenomenon is solved, and then the technical problem that excessive bandwidth is wasted since the server resends the video stream is further avoided.

The invention discloses an automatic endoscope brightness adjusting method, device and system and electronic equipment, and the method comprises the steps: setting the exposure time and the sensitivity parameter of a camera of an endoscope as the preset camera exposure time and the preset sensitivity parameter under a selected working mode according to the selected working mode, the working mode is selected by a user according to a use scene of the endoscope; acquiring an image shot by a camera in the working mode; converting the image into an image in a YUV format; dividing the image in the YUV format into a plurality of areas with the same size, and obtaining a Y component of each area; and according to the distribution condition of the Y component of each area, sending a brightness adjusting signal so as to adjust the brightness of the illumination equipment of the endoscope. The method does not need to manually adjust the related configuration of the camera and the light brightness of the lighting equipment, and has the advantages of powerful processing function, short delay time, stable image, convenience in use and the like.