543results about How to "Achieve blocking" patented technology

The embodiment of the invention provides a signal conversion device and method as well as communication equipment. The signal conversion device comprises an LPC (Low Pin Count) bus interface unit, a register configuration unit and a UART (Universal Asynchronous Receiver Transmitter) unit, wherein the LPC bus interface unit is used for performing protocol analysis on signals from an LPC bus and outputting local signals through a local bus, and the local signals comprise a control signal, an address signal and a data signal; the register configuration unit is used for configuring registers of the UART unit according to the local signals; the registers of the UART unit are allocated in a memory address space and an I/O address space; and the UART unit is used for converting data from the LPCbus into serial data according to the local signals and the values of configured registers of the UART unit and then outputting the serial data through a UART interface or outputting the serial data received by the UART interface to the LPC bus through the local signals. The embodiment of the invention can simplify the configuration process of the registers of the USRT unit.

The invention discloses a block information identification implementing method of an NAND FLASH chip. Based on a computer system with the Nand Flash chip, firstly, a block information identification table of the Nand Flash chip is established in the system and used for storing block information and corresponding index address information, wherein the block information comprises good block identification and bad block identification; the Nand Flash chip is subjected to write operation, read operation and erasure operation, when the block information is marked as good blocks in the block information identification table, corresponding operation is carried out, and when the block information is marked as bad blocks, skipping is carried out; when failure occurs, corresponding block identification in the block information table is bad block identification; when all the good blocks are used up, a Nand Flash chip overwrite signal is sent to the system. Compared with the prior art, according to the block information identification implementing method of the NAND FLASH chip, logic address mapping is completed through bit data, flexible logic address mapping and bad block management are completed with extremely low space expenses, and the method is high in practicality, wide in application range and easy to popularize.

The invention discloses an unmanned plane remote control system based on gesture, and the system comprises fixed equipment worn by an operator, and a flight controller disposed on an unmanned plane. The fixed equipment is used for detecting the real-time movement locus of a hand or equipment on the hand, and enables the real-time movement locus of the hand or equipment on the hand to be processed and to serve as a remote control instruction for the movement of the unmanned plane, and then transmits the remote control instruction to the unmanned plane. The flight controller is used for receiving the remote control instruction for the movement of the unmanned plane from the fixed equipment, driving the unmanned plane to carry out movement consistent with the real-time movement locus of the hand or equipment on the hand in real time according to the content of the remote control instruction. The system irons out the defects that a visual image detection and recognition mode needs to build a gesture database in advance, is low in accuracy of gesture recognition, is complex in algorithm, and is large in calculation amount. Moreover, the system greatly reduces the hardware equipment cost and the difficulty in software development, and is suitable for popularization and prompt in application of unmanned planes.

An alignment sleeve for an optical fiber adapter includes features to bring precision alignment between optical fiber cores. The sleeve includes a tubular inner area to accept first and second ferrule ends of first and second connectors. First and second tabs project from first and second ends of the sleeve. The first and second tabs slide into holes in the ferrule holders or barrels of the first and second connectors, so as to provide rotational alignment of the first and second ferrules, which may be presenting multi-core optical fibers. A mid-portion of the sleeve may include geometrical features to enable a snap fit of the sleeve into a housing of the adapter. More than one tab may be employed at the ends of the sleeve, and the tabs may have defined spacing and/or dimensions to enable security keying, only permitting coupling between connectors possessing matching holes in the ferrule barrels.

The invention discloses a vehicle-mounted terminal multi-target recognition tracking prediction method, which is a vehicle-mounted terminal multi-target recognition tracking prediction method based onYOLOv5s (You Only Look Once v5s) and FairMOT (FairMOT) fusion, and detects vehicles in front of a road quickly and accurately in real time by using a YOLOv5s deep learning object detection technology. The YOLOv5s model is fused into the FairMOT architecture detection module to perform target detection and re-identification tracking in a single network so as to realize position detection, type identification and multi-target motion trajectory tracking of the traffic target in front of the vehicle on the road, thereby achieving prediction of driving behaviors of lane change, following, deceleration and the like of the traffic target in front of the vehicle.

The invention relates to a locomotive car wheel fault detecting device based on a phased array probe. A probe bracket connected with a control mechanism is connected with ultrasonic phased array probes which are positioned on a tread surface of a wheel pair. The lower part of the tread surface of the wheel pair is positioned on a top wheel and a rotating wheel of a top rotating wheel device. The ultrasonic phased array probes are connected with a data processing and control computer. The number of the phased array probes is two, i.e. a left probe and a right probe. The left probe and the rightprobe are equidistantly far away from wheel rims and keep an axial distance of 0-10 mm from a wheel rolling circle. The length of an arc distance from the left probe and the right probe on the wheelrolling circle is 220-400 mm. Torsion angles of axes of the left probe and the right probe with the surface of the wheel rolling circle are same, wherein the torsion angle is 0-30 DEG C. The detectingdevice can automatically detect a wheel spoke fault from the tread surface in an online manner and realizes high detection efficiency and detection result accuracy. In addition, the detecting devicehas a simple structure and is convenient to use and operate.

A method for coupling network device with intrusion detection system includes detecting network device port by intrusion system for obtaining data stream control data including character data of doubtful data stream and its corresponding block time, sending said control data to network device , setting up corresponding access control list according to received data stream control data by network device to block data stream .

The invention discloses a network intrusion detection and active defense linkage control device, comprising a packet forwarding module, a packet mirroring traffic preprocessing module, a linkage control device module, a network behavior detection and analysis module and a traffic database cluster system.The invention combines the traditional network anomaly detection PHAD model method, combines the limited depth detection and analysis to the critical segment of the packet and tries to accurately determine whether the network traffic has the characteristic with attack behavior. On this basis, implement the dynamic intervention through the forwarding rules table of the packet forwarding module to achieve the abnormal data traffic block.The main characteristic of the device is to analyze the attack behavior and reverse control the forwarding behavior. When the abnormal network attack is detected, the data flow can be effectively cut off in real time so as to achieve the active detection attack and the active defense.

The invention relates to a network safety content processing card based on FPGA (field programmable gate array). The invention provides a method for solving the problem that contradiction between network safety and network speed and contradiction between network management and network cost are becoming serious. The method comprises giving first place to an FPGA safety chip, adopting a PCI card inserted into a PCI slot of a server, performing data communication with the server by using a PCI express interface protocol, connecting with an outer network through kilomega network ports for completing data receiving and sending, realizing byte-by-byte content detection, content labeling, and flow recombination of the server data under a kilomega line speed, and at the same time, realizing functions of network flow real-time controlling, blocking, inbreak detecting and log auditing. By adopting the invention, networking cost can be reduced, CPU resources of servers can be saved, a CPU can focus on completing other functions, and therefore, the integral performance of the system is improved.

The invention relates to a control system of an inspection robot for a high voltage line. The control system comprises an infrared sensor, a CCD camera, a monitoring host and a wireless communication interface, wherein the monitoring host is connected with the infrared sensor, the CCD camera and the wireless communication interface respectively; the monitoring host is provided with a remote control mode and an automatic control mode, and is used for determining whether to switch to the remote control mode on the basis of the detection result of the infrared sensor and the CCD camera; when in the remote control mode, the monitoring host realizes control of the inspection robot according to the remote control information received by the wireless communication interface. The control system can realize automatic spanning of obstacles in determined types when the monitoring host is in the automatic control mode; the remote control mode under the wireless communication control is adopted to avoid the obstacles that the inspection robot cannot automatically span, so that the normal inspection work of the inspection robot is guaranteed.

The invention relates to a double-liquid capillary micro-flow control valve in a micro-flow control chip, and a manufacturing method thereof, in particular to a capillary micro-flow control mechanism which is used for the micro-flow control chip and can realize sample injection of two liquids at the same time, aiming at solving the technical problem that the sample injection of the two trace liquids with different medium affinity properties can be difficultly realized in the existing micro-flow control technology. The double-liquid capillary micro-flow control valve is provided with a first branch flow groove, a second branch flow groove and an output groove which have equal cross section width; the cross section width of an air duct groove is less than that of the first branch flow groove, the second branch flow groove and the output groove; the depth of the second branch flow groove is equal to that of the output groove, and the depth of the first branch flow groove is less than that of the second branch flow groove; the depths of the second branch flow groove and the output groove are less than that of the air duct groove; the ends of the first branch flow groove and the second branch flow groove are communicated with an input end of the output groove; and the end of the air duct groove is communicated in front of the end of the second branch flow groove. The invention is applicable to the structure of a device which can lead the sample injection of high-affinity liquid to be carried out at the same time.

The invention provides a spliced three-dimensional sand blocking fence comprising a plurality groups of combined fences, wherein the plurality groups of combined fences form a folding screen, each group of combined fences is composed of three sand blocking monomers arranged in a step shape, and the distance between the corresponding sand blocking monomers in the two adjacent groups of combined fences is 0.5-1m. The sand blocking fence is a three-dimensional sand blocking fence, thereby effectively reducing the wind speed and interfering the wind-sand field to block the wind-sand. The spliced three-dimensional sand blocking fence has convenience in construction, low cost and excellent anti-sand effect and improves the technical level of the wind-sand disaster control engineering field.

The invention discloses a detection method and device for a speed and a displacement of a rail train. The method comprises the steps: 1) acquiring a ground motion image in real time when the train runs, and calculating a displacement of two adjacent-frame images; and 2) calculating a moving speed of the current ground image according to the displacement and an acquired time interval between the two adjacent-frame images, obtaining a current train speed through a calculation according to a function relationship between the train speed and the moving speed of the ground image, and accumulating displacement data obtained through the calculations before the current time to obtain a current train displacement. The device comprises an image acquisition and processing for acquiring the ground motion image in real time and calculating the displacement between the two adjacent-frame images, and a data processing module for calculating the speed and the displacement of the current train according to the displacement and the acquired time interval between the two adjacent-frame images. The method and device have the advantages of the simple principle and operation, the rapid detection speed, high detection precision and the wide application range.

The invention belongs to the field of agricultural robots. An intelligent Orah orange picking robot comprises a walking mechanism, a picking device, a recycling device, a visual identification device,a control system and a work table. A binocular camera module arranged on the walking mechanism is capable of collecting images of different time periods and conducting comparing to judge whether there are Orah orange trees to be picked in the image capturing range, and the positions of obstacles can be obtained through an infrared obstacle detection device, so that the robot can automatically walk according to a picking route and intelligently avoid the obstacles; and the visual identification device realizes non-contact measurement between the picking device and oranges. The end of a robot arm is provided with a gripping jaw and a shearing knife, the gripping jaw grips one orange, and then the orange is separated from a fruit stem through cutting by the shearing knife. The intelligent Orah orange picking robot disclosed by the invention can realize automatic picking and collecting, and improve picking efficiency and picking quality.

The invention discloses a message processing method and an LSR in an MPLS network. The message processing method comprises the following steps that the MAC address of a neighbor LSR directly connected with the LSR and the corresponding relation between the LSR ID of the neighbor LSR and the interface, connected with the neighbor LSR, of the LSR are obtained and stored in a mapping table of the neighbor LSR through the LSR; after an MPLS message is received, according to the source MAC address and the import interface of the MPLS massage, the source LSR ID corresponding to the MPLS message is found in the mapping table of the neighbor LSR; whether the found source LSR ID is identical to the LSR ID of a next-hop LSR which the MPLS message is forwarded to is judged; if the found source LSR ID is identical to the LSR ID of the next-hop LSR, the MPLS massage is discarded when the MPLS massage is the massage only needing label switching operation. The message processing method and the label switching router can detect forwarding loops and stop the forwarding loops.

Process for treating water to be treated by clarification comprising an adsorption of a portion of clarified water and a clarification of a mixture of adsorbed clarified water and water to be treated The invention pertains to a process for treating water to be treated comprising:

• • a step for clarifying said water to be treated producing a clarified water;
  • a step for placing a part of said clarified water in contact with a powdered adsorbent reagent producing a mixture of clarified water and powdered adsorbent reagent;
  • a step for mixing said mixture with said water to be treated;
  • a step for discharging the remainder of the clarified water.

The invention discloses an attack traffic shunting and blocking method based on topology analysis, and the method comprises the steps: obtaining a network topology based on a plurality of types of discovery strategies to acquire the topology architecture of a whole network, and form a topological graph; in a network attack stage, achieving shunting of network flow by adopting a method based on shunting of K shortest paths; and based on host behavior characteristics, tracing network attacks by utilizing a machine learning algorithm, and implementing active blocking by adopting a message real-time filtering scheme based on a flow table. Tests show that the scheme has the characteristics of low system overhead, good pressure resistance and high blocking accuracy, and has high practical value.

The invention designs a plant avoidance type appropriate fertilizer applicator, which relates to the field of agriculture. The plant avoidance type appropriate fertilizer applicator is mainly characterized by comprising a hooking part for hooking the applicator with a tractor, a plant avoidance part and an appropriate fertilizer application part. The fertilizer applicator is hooked behind the tractor in a three-point suspension manner; when a rightwards transverse V-shaped induction bar of the plant avoidance part touches a plant, two telescopic springs deform, an avoidance hydraulic motor is controlled to start and a furrowing blade is driven to turn so as to realize plant avoidance; a stirring shaft and stirring rods are driven by a land wheel of the appropriate fertilizer application part through a chain wheel and a chain, so that fertilizer is stirred to prevent caking; the rotation speed of a fertilizer feeding hydraulic motor is adjusted to realize appropriate fertilizer application according to soil fertility and crop requirements; the machine space and the operation lines can be adjusted according to the tractor and parcels; the furrowing blade is changed into a sub-soiling shovel, so that sub-soiling fertilizer application can be performed, and the universality and the utilization rate of the applicator are improved.

The invention provides an oil injector with double air inlet channels. The oil injector comprises an oil injector body, a first oil inlet channel, a second oil inlet channel, an electromagnet, an armature, an armature rod, a ball seat, a control valve seat, a first spring, a ball valve, a throttling hole plate, a control piston, a second spring, an ejector rod, a needle valve, a needle valve body, a transition block, a first oil inlet hole, a second oil inlet hole and an oil injection nozzle, wherein the oil injector body, the transition block and the needle valve body are assembled from top to bottom into a whole the first oil inlet channel and the second oil inlet channel are positioned in the oil injector body, the transition block and the needle valve body; in the down direction, the first oil inlet channel and the second oil inlet channel both communicate with the oil injection hole channel of the oil injection nozzle; and in the up direction, the first oil inlet channel and the second oil inlet channel correspondingly communicate with a first oil inlet throttling hole and a second oil inlet throttling hole which are formed in the throttling hole plate. The oil injector can be applied to a diesel engine fuel oil supply system of which the oil injection rate is variable and adjustable at any time; the injection demand at different pressure can be met; and accordingly, the engine combustion heat release rate can be improved and the emission can be reduced.

The invention discloses a proton transfer reaction device with a multipole rod. The device comprises a drift tube for the proton transfer reaction of a proton supplier and analyte. The front end of the drift tube is provided with a proton supplier inlet and a carrier gas introduction channel for introducing sample molecules and a carrier gas, and the rear end of the drift tube is provided with a carrier gas outlet channel and an analyte ion outlet. The sectionalized multipole rod is arranged in the drift tube and connected with a controllable boosted radio frequency power supply. By the device, the cross section of an ion beam is controlled by controlling the amplitude of a boosted radio frequency voltage loaded on the sectionalized multipole rod, so the cross section for the proton transfer reaction at the front end is enlarged and then maximal proton transfer reaction is realized; the cross section of the ion beam at the rear end is reduced, so an ion transport rate is improved, pollution of neutral molecules to a spectrum analyzer is avoided and the flexibility of the analyzer is improved.

The invention discloses an advancing path planning method and device and an intelligent equipment advancing path planning method and device. In the advancing path planning method, the method comprisesthe steps of: collecting environmental data in a target range; converting environmental data into a raster map; converting the grid map into a cost map; intercepting a required polygonal region in the cost map; representing an obstacle grid, a non-obstacle grid and a boundary grid by using gray scale in a required polygonal area; selecting one non-obstacle grid as a current grid, calculating thedistance between the current grid and the nearest obstacle grid, the obstacle distance of the non-obstacle grids around the current grid is calculated based on the distance, the non-obstacle grids with the equal obstacle distance are connected, and an equidistant line is obtained; calculating equidistant lines of all non-obstacle grids in the required polygonal area; and planning a path accordingto the equidistant lines around the non-obstacle grid with the obstacle distance greater than half of the width of the intelligent equipment. The planning path is generated based on the equidistant lines, obstacles in the advancing path are avoided, and advancing safety is guaranteed.