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1524results about How to "Guaranteed processing efficiency" patented technology

Security and protection monitoring big data processing method and system based on cloud computing

The invention discloses a security and protection monitoring big data processing method and system based on cloud computing. The method comprises the following steps: obtaining security and protection monitoring data of an Internet of Things node; dividing the obtained security and protection monitoring data into first security and protection monitoring data and second security and protection monitoring data according to a set security threshold; sending the first security and protection monitoring data to a block chain platform for data processing; and sending the second security and protection monitoring data to a cloud platform for data processing. According to the security and protection monitoring big data processing method and system, the second security and protection monitoring data with relatively low security requirements are sent to the cloud platform for data processing, thereby ensuring the security and protection monitoring big data processing efficiency; meanwhile the first security and protection monitoring data with relatively high security requirements are sent to the block chain platform for data processing, and DDOS attack is defended by the features of openness, transparency and non-tempering of the block chain technology, thereby eliminating the potential safety hazards caused by the DDOS attack to the cloud platform and the distributed Internet of Things nodes, and being securer. The security and protection monitoring big data processing method and system can be widely used in the field of security and protection.
Owner:广州宏和网络科技有限公司

Refined rice processing method

The invention discloses a refined rice processing method. The refined rice processing method comprises the following steps of rice screening, stone removal, magnetic separation and rice shelling, rice-bran separating, secondary shelling, thickness grading, moisture measurement and drying or atomizing, rice milling and white rice grading, rice cooling, polishing, color sorting, secondary white rice grading and moisture content detection, and packaging. The refined rice processing method comprises a plurality of impurity removal steps, and consequently, the purity of rice is guaranteed, the produced rice is high in purity, and the safety and the processing efficiency in the processing process are guaranteed. In the rice shelling and rice milling steps of the refined rice processing method, the material temperature is strictly controlled so that the material can be always kept in a relative low temperature appropriate environment, and the crack ratio and the broken rice rate can be reduced and the complete particle rate can be increased; the original faint scent of rice is maintained. The refined rice processing method is used for solving the problems of surface damage and uneven polishing in the rice polishing process by controlling the polishing water temperature and the dampening amount; as a result, the surfaces of all the rice grains polished can be kept smooth and clean, and the quality guarantee period of the rice can be prolonged.
Owner:ANHUI YOUYUAN FOOD

Health monitoring system of avionic electronic equipment based on ARINC653 standard

ActiveCN103544092AEnable on-board health managementEnsure safetyHardware monitoringOperational systemMonitoring system
The invention belongs to the aircraft avionics system technology and relates to a health monitoring system of avionic electronic equipment based on an ARINC653 standard. The health monitoring system adopts a mode of input step by step, diagnostic decision and stage treatment to process anomalous events, performs comprehensive diagnosis from a software task stage to an operation system and from an avionic electronic equipment layer to a full-aircraft system, and adopts a classification layered mode to assign fault events to processing steps of different stages according to a health monitoring stage, and processing permissions are enlarged step by step according to the health monitoring stage. By means of the mode of the stage treatment and report stage by stage, airborne health management of an aircraft is effectively achieved. Safety of fault processing is ensured through the processing permissions of different stages, and processing efficiency on the system fault events and sensing of the aircraft on the health states are improved by reporting the events stage by stage. Therefore, fault diagnosis recovery capability of the aircraft is effectively improved, and testability and safety of the aircraft are strengthened.
Owner:XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA

Low-altitude remote sensing image rapid and automatic splicing method without POS assisting

The invention discloses a low-altitude remote sensing image rapid and automatic splicing method without POS assisting. The method comprises the first step of full-automatic restoration of a low-altitude remote sensing image test area, the second step of conducting fine matching on a preprocessed image according to fine matching seed points to obtain a fine matching result, the third step of conducting free network adjustment iteration on the fine matching result to obtain an adjustment result, and the fourth step of conducting interpolation to generate a digital ground model of the image according to the adjustment result, obtaining a relative outer orientation element of the image under the free network coordinate system according to the adjustment result, conducting orthographic rectification on the image based on the digital ground model and the relative outer orientation element, and meanwhile generating an orthographic image splicing image of the test area. The method is free of POS data assisting, the orthographic image splicing image can be rapidly produced in a full-automatic mode, the remote sensing image quasi real-time processing requirement can be met, and the method is suitable for the fields of disaster emergency response, military security and the like.
Owner:WUHAN UNIV

Packet sampling and application signature based internet application flux identifying method

The invention relates to an internet application flow rate identification method based on message sampling and application signing, comprising the following steps: firstly, message sampling capture: in accordance with sampling strategy and sampling rate the message is captured and decoded; secondly, decoding: the flow information and application data of the message is analyzed by decoding the message; thirdly, flow classification: according to the flow information of the message, a flow state table is found and maintained; fourthly, flow state distinguishing: the signature is matched if the application type of the flow state found through the flow classification is unknown; finally, signature matching: according to the application signature bank, the application data of the message is matched, if matched successfully, the application type of the flow state is updated, and the flow information and application type of that data stream is output. The method is of high accuracy in identification, high efficiency in processing, good expandability, high possibility in realization, and is applicable not only for message processing, but also for flow data analysis. The invention can be achieved in not only the network equipment, but also the network analysis system.
Owner:BEIJING JIAOTONG UNIV

Sapphire substrate ultraprecision machining method based on fixed abrasive pad

The invention discloses a sapphire substrate ultra-precision machining method based on a fixed abrasive pad. The sapphire substrate ultra-precision machining method based on the fixed abrasive pad mainly relates to three steps of rough grinding, accurate grinding and polishing, namely, rough grinding is conducted on a cut sapphire substrate semi-finished product through a W75 nickel plated diamond FAP; then accurate grinding is conducted on a workpiece after rough grinding through a W28 nickel plated diamond FAP; last, polishing is conducted on the workpiece after accurate grind through a W5 diamond FAP, and grinding and polishing processes are finished. According to the sapphire substrate ultra-precision machining method based on the fixed abrasive pad, a sapphire substrate is machined, the time cost in the whole process is shortened within two hours, machining time of sapphire is greatly shortened, the sapphire substrate with the workpiece surface roughness (Ra) is smaller than 3nm can be finally obtained, surface defects such as pitting corrosion and scratches can be effectively removed, the damage of a subsurface is reduced and the quality of the surface is good. The sapphire substrate ultra-precision machining method based on the fixed abrasive pad improves machining efficiency of the substrate and the quality of the surface of the substrate, and is low in cost and pollution-free.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Frame synchronization method and device

The embodiment of the invention discloses a frame synchronization method and device, and relates to the field of communication, wherein the method and device are used for improving the processing efficiency of frame synchronization. In the embodiment of the invention, the method comprises the steps: converting a received serial code stream and obtaining a parallel cod stream; employing a preset key field of a frame head corresponding to a data frame contained in the parallel code stream to match with each sub parallel code stream in the parallel code stream in a parallel manner; determining the offset of the frame head in a parallel code stream according to the position of the sub parallel code stream, which is successfully matched with the preset key field, in the parallel code stream; carrying out the pre-aligning processing of the parallel code stream according to the frame length corresponding to the data frame contained in the parallel code stream and the determined offset of the frame head; judging whether the pre-aligned frame head is a pseudo frame head or not, enabling the parallel code stream after pre-aligning to serve as a synchronized parallel code stream if the pre-aligned frame head is not the pseudo frame head, and outputting the parallel code stream, thereby solving the above problems.
Owner:RAISECOM TECH

Domestic sewage treatment device with waste residue collecting function

The invention relates to the technical field of sewage treatment, and particularly discloses a domestic sewage treatment device with a waste residue collecting function. The device comprises a box body, a water tank, a driving motor, a hollow rotating shaft, a rotating joint, a cleaning rod, a brush, a filter screen, a supporting seat and a nozzle. A supporting seat is fixedly mounted in the middle of the top end of the filter screen. The bottom end of the hollow rotating shaft rotationally communicates with a second water conveying pipe through a rotating joint. A residue collecting groove isformed in the upper surface of the filter screen. The water inlet end of the nozzle is connected with the second water conveying pipe. A supporting rod is fixedly mounted on the hollow rotating shaft. A cleaning rod being parallel to the filter screen is fixedly arranged on the support rod. Under the cooperation of the driving motor, the cleaning rod, the first water conveying pipe, the hollow rotating shaft, the rotating joint, the water pump, the second water conveying pipe and the nozzle, waste residues formed after sewage is filtered are easy to clean, smoothness of meshes in a filter screen is guaranteed, and therefore the sewage treatment efficiency is effectively guaranteed, and the device is suitable for application and popularization.
Owner:安徽世绿环保科技有限公司

Real-time streaming computing flow speed perceiving elastic execution tolerant system

ActiveCN104794015AReduce recovery calculationsLong-term stable application operating environmentFault responseResource consumptionModularity
The invention discloses a real-time streaming computing flow speed perceiving elastic execution tolerant system. According to the system, a tight coupling relation of tuple transmitting, computing, state maintaining and processing units in a traditional streaming computing frame is changed into a modular and specialized loose coupling relation, in combination with a flow speed perceiving module, an elastic execution module, a state management module and the like, the system can control the processing time of all stages precisely, and thus display of a whole application is guaranteed. The system can conduct quick response to input steam changes or available resource changes quickly through flow speed perceiving. A distribution module can change the distribution relation flexibly and send tuples in batches timely, and resource consumption and sending delay are further reduced. The system can adjust the parallel numbers of processing units and nodes transparently through elastic execution so as to keep the application stable and guarantee delay. The system is made to have the unbelievable tolerant capacity through state management and persistent storage. The proper numbers of tuples are stored, the application recovery is accelerated, and the failure recovery speed is further increased in combination with parallel recovery of elastic execution.
Owner:HUAZHONG UNIV OF SCI & TECH

Multi-stage varied-diameter screw oil-water separator

The invention discloses a multi-stage varied-diameter screw oil-water separator capable of realizing efficient separation aiming at separating mediums under high-viscosity and small-particle states. The multi-stage varied-diameter screw oil-water separator is characterized in that a wall barrel at least comprises two stages of separating units; each separating unit consists of a spiral sheet, an inner pipe and a flow division body which are connected; a spiral runner consists of the wall barrel, the spiral sheet and the inner pipe; each stage of spiral sheet is independent; a flow stabilizing cone is fixed at the upper end of one inner pipe; an inverted frustum-shaped circular pipe channel is fixed in the center of the flow division body through two fan-shaped connection bodies, and the diameters are gradually reduced along the axial direction; the tail ends of the inner pipes are inversely frustum-shaped and are matched with the inner circular pipe channels in the flow division bodies, with an annular overflow space; the outer diameter of each inner pipe is gradually increased, and the circular pipe channels of the corresponding stages are enlarged according to the same ratio; the tail end of the inner pipe of the last stage is connected to the top end of an overflow pipe; and the overflow pipe is matched with the tail end of the inner pipe of the last stage, so that an annular overflow space with a gradually reduced diameter is formed.
Owner:NORTHEAST GASOLINEEUM UNIV

Building tubular product cutting clamp

The invention discloses a building tubular product cutting clamp in the technical field of buildings. A clamp inner barrel is arranged in an inner cavity of a clamp outer barrel, a first clamping sheet and a second clamping sheet are arranged on the two sides of the inner cavity of the clamp outer barrel, pressure sensors are arranged inside the first clamping sheet and the second clamping sheet,a first piston barrel device and a second piston barrel device are connected to a first hydraulic oil pump and a second hydraulic oil pump through soft oil pipes correspondingly, a stepping motor is arranged on the side, far away from a clamp inner barrel, of the second hydraulic oil pump, and a controller is arranged on the side, far away from the second hydraulic oil pump, of the stepping motor.The building tubular product cutting clamp is high in reliability, the clamping force on a building tubular product is large, and looseness can be avoided in the cutting process; and in addition, themachining quality and the machining efficiency can be effectively guaranteed, length measurement on the building tubular product can be carried out through length scales on the clamp inner barrel soas to facilitate fixed-length tubular product cutting, and the cutting convenience is greatly improved.
Owner:叶潇

Printing processing method

The invention relates to a printing processing method. The printing processing method comprises the following steps that ink is arranged on a light-transmitting base material in a full plate printing manner to form an ink layer; a printing layer is formed through silk printing, and the ink layer is located between the light-transmitting base material and the printing layer; an infrared picosecond laser device is utilized for rough scanning to remove ink in a preset area; and the infrared picosecond laser device is utilized for fine scanning to remove ink left in the preset area. The ink is removed through lasers in the preset area so as to be used for backlight transmission, the infrared picosecond laser device weak in energy is utilized for processing, and the light-transmitting base material is prevented from being destroyed by the too strong lasers. The ink removing step comprises rough scanning and fine scanning, most ink of the preset area can be fast removed through rough scanning, and the processing efficiency can be guaranteed easily. After rough scanning, further laser processing is quite close to the light-transmitting base material, and fine scanning is adopted to be beneficial to protecting the light-transmitting base material; and the ink is removed thoroughly, and the light-transmitting effect is good.
Owner:HANS LASER TECH IND GRP CO LTD

Control method and system of robot based on virtual fixture

The invention discloses a control method and system of a robot based on a virtual fixture. The robot comprises a robot arm, and an operator is arranged at the end of the robot arm. The control methodincludes the steps: calculating the shortest distance d according to the posture and the planned processing area; acquiring a guiding force f acting on the end and decomposing it into a component force fN in the normal direction of the shortest distance d and a component force fT in the tangential direction; when the shortest distance d is less than or equal to a preset threshold value D1 and greater than or equal to 0 and the guiding force f points to the boundary of the planned machining area, calculating the target speed vt of the end according to the following formula: vt=G (f) (fT + c. Tau. FN), c. Tau. = d/D1, G (f) is the admittance coefficient; acquiring a current velocity va of the terminal, and calculating a target acceleration at of the terminal according to the current velocityva and the guiding force f; and controlling the manipulator according to the target speed vt and the target acceleration at. The invention adds an acceleration control loop according to the complex curved surface environment, which ensures the machining efficiency in the operation process and improves the safety of the operation.
Owner:SHANGHAI ELECTRICGROUP CORP
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