285results about How to "Guarantee high efficiency" patented technology

The invention discloses a multi-surveillance-source flying target parallel track processing method. The method includes the steps: multi-surveillance-source data receiving; multi-surveillance-source data analysis; radar data processing; ADS-B (automatic dependent surveillance-broadcast) data processing; multi-surveillance-source data fusion. Surveillance of quality of data accessing to radar is realized by monitoring and analyzing quality of radar signals. In addition, real-time receive processing of the radar data is realized by means of multithreading, high safety, high reliability and high usability of a data processing system can be further guaranteed, and accuracy and quickness in track processing of flying targets in different data types from different surveillance sources can be realized.

The invention provides a method and a device for realizing virtual machine migration and a cluster system, wherein the method comprises the following steps that after a source physical host machine and virtual machines to be migrated are determined, the migration sequence of the virtual machines is determined, in addition, the resource use information of a plurality of current operating physical host machines on the cluster system is analyzed, and the physical host machines are subjected to physical host machine sequencing according to the resource use information priority; from the virtual machine with the forefront sequence in the virtual machine migration sequence, the operation of migrating a plurality of virtual machines to a target physical host machine is sequentially executed according to the virtual machine migration sequence until the migration operation of all of the virtual machines is completed. The method and the device for realizing the virtual machine migration and the cluster system provided by the invention have the advantage that on the premise of ensuring the migration reliability of the virtual machines, the high efficiency and the safety of the virtual machine images in the cluster system are guaranteed.

The invention provides a visual 3D taking and placing method and system based on a cooperative robot. The method comprises the steps that internal and external parameters of a camera of a binocular structured light three-dimensional scanner are calibrated; the hands and eyes of the cooperative robot are calibrated, and a calibration result matrix is obtained; a three-dimensional digital model of to-be-taken-and-placed target objects is collected; the calibrated binocular structured light three-dimensional scanner is adopted to obtain point cloud data of the to-be-taken-and-placed target objects which are stacked in a scattered mode, and the point cloud is segmented to obtain scene point clouds of the multiple to-be-taken-and-placed target objects; the to-be-taken-and-placed target object with the highest grabbing success rate is selected as a grabbing target according to the scene point clouds of the multiple to-be-taken-and-placed target objects; the three-dimensional digital model ofthe grabbing target and scene point pair features are registered, pre-defined taking and placing pose points are registered into a scene, and a registered pose estimation result is obtained and serves as a grabbing pose of the grabbing target; and a preliminary grabbing path track of the cooperative robot is planned. The target object can be accurately recognized, and the grabbing positioning precision is high.

The invention discloses a fermenting type apple vinegar beverage and a preparation method thereof. The fermenting type apple vinegar beverage is characterized by being prepared by preparing, filtering, sterilizing and filling the following raw materials by weight proportion: 50-70 parts of apple vinegar, 80-120 parts of concentrated apple juice, 2-8 parts of honey, 1-3 parts of aspartame and 799-867 parts of water. The fermenting type apple vinegar beverage has the advantages of well retaining the original nutrient substances and flavor of apple, having high acid production rate, being obviously shortened in fermenting time, further being capable of separating cured acetic bacteria cells and products easily and being used repeatedly, enabling strains to be efficient, greatly improving production efficiency, saving production cost and reducing pollution discharging.

The invention discloses a cloud platform monitoring service system and method based on big data analysis, wherein the system comprises a data acquisition layer, a big data processing layer and a web application layer; the data acquisition layer comprises an acquisition tool and a special acquisition program; the acquisition tool is used for performing data acquisition of a host, a memory and network resources; the special acquisition program is used for acquiring data of the web application layer; the big data processing layer is used for analyzing various data acquired by the data acquisition layer, generating operation and maintenance indexes, and writing the generated operation and maintenance indexes in a database; and the web application layer reads data from the database, and displays or manages the data at the front end. By means of the cloud platform monitoring service system and method based on big data analysis provided by the invention, due to the intelligent big data analysis result, health indexes and intelligent suggestions for a food security electronic traceable cloud service platform can be provided for managers; and thus, decision aids can be provided for the managers.

The invention discloses a simulation method for real-time operating parameters of a metro vehicle based on virtual reality. The method comprises the following steps of: S1: manufacturing a metro vehicle model and a metro line surrounding environment scene model by means of a three-dimensional modeling technology, and inputting the manufactured model into a virtual reality software platform; S2: setting the operating parameters of the vehicle: reading metro line data by connecting a large data the metro line data comprising slope of the line, curve radius, distance between lines, station spacing and turnout rate-limiting information; acquiring the basic information and the operating condition parameters of the metro vehicle: comprising gas temperature condition, relative humidity, air sped and weather condition; S3: connecting a host computer by a driving operating table: by controlling a handle by a driver, the virtual reality software platform performs corresponding logic and feedback motions according to control of the operator to realize true driving control; and S4: displaying the operating data state of the metro vehicle in real time.

This invention relates to a variable stroke engine, in addition to its working method, which belongs to vehicle engine technique field. The engine comprises six cylinders, EGR, exhaust-gas turbocharger system, four strokes discharge distributing valve, exhaust duct, bent axle piston and electrical controlling unit. when working, it needs to decide whether the two stroke cylinders join to work with the jar cutting technique according to different power, making the engine switch in different working condition; the six cylinders will bedding-in work through each inlet distribution valve to increase pressure and power output. Said invention can be used in transporting vehicle such as tank armored vehicle, machineshop truck needs to provide large power output and so on.

The invention discloses a particle swarm algorithm-based virtual-machine deployment method under a cloud environment, and belongs to the field of resource scheduling under cloud computing environments. For solving problems of only carrying out optimization of a single objective and lacking consideration of multiple objectives; the invention provides the particle swarm algorithm-based virtual-machine deployment method under a cloud environment. According to the method, deployment mapping between virtual machines and physical machines is established at an IaaS (Infrastructure as a Service) layer. The method of deployment mapping includes: a user-oriented virtual-machine deployment method, which includes receiving an application of a user for a virtual machine, and deploying the same to an objective physical-host on the basis of an improved multi-objective-optimization particle swarm optimization algorithm of congestion degree judgment; and a platform-oriented virtual-machine dynamic-management method, which includes deploying a virtual machine to an objective physical-host, and then judging whether status of the objective physical-host is above or below a normal threshold value, anddetermine a mapping relationship of the objective physical-host and the virtual host on the basis of an improved multi-objective-optimization particle swarm algorithm of sharing degree judgment. The virtual-machine deployment method is used for deploying the virtual machines on the objective physical-hosts.

The invention discloses a calcium-zinc composite heat stabilizer designed on the basis of a novel zinc salt of an organic acid. The calcium-zinc composite heat stabilizer comprises following raw materials by weight: 30-65 parts of the zinc salt of the organic acid, 25-70 parts of calcium stearate, 5-10 parts of an epoxy compound, 6-12 parts of a urea derivative, 3-9 parts of a phosphite ester compound, 5-12 parts of a polyol monoester compound, 4-8 parts of beta-diketone and 5-10 parts of C12-C18 long-chain fatty acid. The calcium-zinc composite heat stabilizer is simple in preparation process and excellent in heat stabilizing performance, and can be widely used in the field of PVC processing.

The invention discloses a CAN bus communication protocol based on message mechanism used for massive data transmission, which is characterized in that: the equipments are connected in master slaver mode, and the data transmission is realized by non-connection mode; the message mechanism is adopted in the data transmission, and one message can send data of 65536 bytes; when the sent data contains more than 65536 bytes, packing mode is adopted to realize the transmission of massive data of maximal 4G. The invention aims at the application and demand of small-sized system, develops upper layer protocol, realizes the massive data transmission of maximal 4G, guarantees the high efficiency and accuracy of data transmission by utilizing message mechanism and massive data transmission mechanism; and the because has a simple structure, has the advantages of less resource occupation and high efficiency.

The invention discloses a composite focus space-time synchronized drilling system and method. By means of the system, a drilling scanning space with the spot light size larger than the size of a drilling laser beam focus, or in other words, a laser heating and cleaning light beam focus (second laser focusing light spot) with time and space synchronized with those of the micro-hole drilling space forever, is arranged below a drilling optical focusing system, the heating and washing light beam conducts time-space synchronized laser preprocessing and laser washing on the scanning area of a scanning movement drilling laser beam focus (first laser focusing light spot), a large amount of laser processing time is saved, frequent phenomena of hole edge residual impurities, hole bottom residual resin and hole wall residual glass fiber of drilling devices especially printed circuit board blind hole devices are thoroughly eliminated, and the drilling finished product rate of micro-holes especially blind holes is greatly ensured. The quality problem of dense blind hole drilling is quite ingeniously solved.

The invention discloses an uplink data transmission method of a cascade remote RF unit (RRU), which ensures the interdependence of the uplink data of each RRU and saves caching. Through the cooperative work of BBU and RRU, the invention exchanges respective information thereof, and eventually calculates out the deviation of the IQ data thereof in a data frame for each cascade of RRU, and configures the deviation to the RRU as the configuration parameters. The method includes the following steps: the RRU calculates out the time delay from a downlink input interface to an uplink output interface, and the time delay refers as Toffset; when the uplink transmits data, the RRU determines the time of the Toffset plus the conclusion of the uplink data frame as the starting time of data transmission; when the starting time comes, the invention inserts an uplink data package to be transmitted into the uplink data frame.

The invention provides a video diagnosis and operation and maintenance management system and method of a video monitoring network. The system comprises a video diagnosis server used for performing video quality diagnosis analysis, and transmitting a detection result to an operation and maintenance management server; and the operation and maintenance management server obtains the states of all kinds of devices of a video monitor sub network by using the SNMP protocol, locates a video fault device, performs running state inspection and monitoring, state statistical analysis, device fault alarm push, device fault maintenance management and asset management on all kinds of devices. The video diagnosis and operation and maintenance management system can monitor the running state conditions of the server, the devices and the like in the system in real time, can automatically perform inspection and can directly locate the source of the problem once finding the problem and push the source of the problem to operation and maintenance personnel, and perform alarm of different levels according to the order of severity of the problem, so that the operation and maintenance personnel can find theproblem point and solve the same at the first time; and statistical analysis can be performed on various operation and maintenance problems, the weaknesses in the system are discovered, and the subsequent system upgrades and maintenance are guided.

The invention relates to a television program producing and broadcasting technique in the field of broadcasting and television, in particular to an unattended operation method for producing and broadcasting an automatic caption list. The method comprises the following steps: allocating a device in charge of producing and verifying captions at a channel side, allocating a device in charge of broadcasting the captions at a broadcasting part, and connecting two systems through a network; uniformly storing data information in the caption producing and broadcasting flow in a core database; and automatically transmitting the produced caption broadcasting materials to the broadcasting part by the caption producing device allocated at the channel side through the network, automatically generatingcaption objects by a caption list-editing machine at the broadcasting part according to a caption item generation command, automatically transmitting the latest generated caption objects to a captionbroadcasting machine corresponding to a channel by the caption list-editing machine according to channel identification information, and performing timed broadcasting or emergency inter cut by the caption broadcasting machine according to a caption broadcasting command. The method can reduce the labor intensity of a worker and increase the security and the stability of broadcasting picture-text information.

This invention provides a out-of-band channel scheme, belongs to computer network communication field. This scheme connects the master control board with service board by Ethernet way through two layer switching chip on the physical layer, divides the data exchanged between the master control board and service board into the control information and service relevant data, packages the service relevant data as the Ethernet frame format. Appoints the source MAC for destination board MAC address that will send out, through the Ethernet service relevant data channel sends it to destination board, packages the above statement control information into the frame format of control information, sends the destination MAC to the destination board MAC address that will send out, send it to sending queue, through Ethernet control information channel sends it to the destination board. Adopting this scheme can ensure the exchanging information between the master control board and service board of the distribution route switcher, isní»t affected by service data transmit traffic, can ensure the important control information will be not lost.

The invention relates to a distribution method of threshold keys of a mobile Ad hoc network (MANET). The method is characterized in that: a multiple signcryption algorithm, which is based on identity and is suitable for safety requirements of an MANET, is provided; and then the multiple signcryption algorithm is applied to key management of the MANET, and a safe and high-efficient distribution method of the threshold keys of the MANET is provided. According to the invention, a multiple signcryption technology is employed. Therefore, reliability of threshold key management of the MANET is increased; the problem that a node of a service requestor is required to have a plurality of neighboring service nodes with a jogging step in the prior art can be solved; the key distribution that is carried out jointly by service nodes is allowed; and thus the safety and the high efficiency of threshold key distribution of the MANET can be ensured well.

The invention discloses a business opportunity mining method based on an enterprise portrait, and the method comprises the steps: obtaining structured, semi-structured and unstructured mass data through Internet data and enterprise basic data, carrying out the preprocessing of the data, and forming an enterprise service data center on the basis of the data; dynamically matching deduplication and user basic information through a system to form a unique ID of the whole network of the user; integrating and cleaning the data of each dimension of the enterprise, and binding the data with the uniqueID of the enterprise to form a portrait system; carrying out model training through multi-dimensional enterprise portraits and enterprise historical order data, and improving the user conversion rateand the repurchase rate; enabling different portraits to correspond to different recommendation rules, pushing proper products to enterprises in time, and pushing business opportunities to matched business personnel through an intelligent matching algorithm; obtaining sales feedback data in time through buried points, and building a business opportunity mining evaluation model; and performing secondary optimization on the business opportunity mining model in combination with results of machine learning and business personnel feedback information.

The invention relates to a method and a system for parsing dependency of noun phrases. The method includes the steps: 1 training a weight vector and an SVM (support vector machine) classifier based on a language material database to obtain a stable weight vector and a stable SVM classifier; 2 receiving and preprocessing the phrases to be analyzed to obtain at least two terms in specified formats; 3 analyzing all the terms to obtain a dependency parsing tree. The method can be decomposed into two steps: firstly, recognizing complicated noun phrases in a sentence and parsing dependency by the method; secondly, replacing the complicated noun phrases in the original sentence by an obtained substructure to reduce complexity of the sentence. As an algorithm is an improved simple side priority algorithm, high efficiency of the algorithm is kept. As the noun phrases are short and not obvious enough in characteristic, the SVM classifier is used for determining a dependency direction, and effectiveness of the algorithm is ensured.

The invention relates to message switching equipment for networked settlement of social security and medical insurance. The message switching equipment comprises a plurality of groups of data switching modules which are connected with one another, wherein each data switching module comprises an input unit, an authentication unit, a processing unit, an underlying communication unit, a network segment configuration unit, a journal unit and an output unit, and is connected with a data transmission network or an application server for data transmission and data switching. The message switching equipment adopts a four-layer structure, namely, asocial security and medical insurance networked settlement interface, a data switching layer configuration management device, a central data switching and processing unit and a message switching operation system. The invention aims to achieve real-time networking and unified settlement of a larger administrative region, utilizes the centralized data switching application mode to achieve regional social security and medical insurance networked settlement service, provides a reliable data switching mechanism for social security and medical insurance networked settlement, ensures high efficiency of the networked settlement and data switching, and has a favorable interface expansibility.

The invention discloses a method for reliably improving time synchronization precision based on an IEEE1588 protocol. The method comprises a master clock sends an IEEE1588 synchronization message every two seconds, and a slave clock, based on the content of the protocol, carries out synchronization; within the two second interval, the master clock sends a precision synchronization message every 100 milliseconds, wherein the message only comprises starting synchronization identification so as to reduce network overhead; the slave clock regards the time difference of the arrival of the two precision synchronization messages being 100 milliseconds; a slave clock device is provided with a storage device and a counter, wherein the storage device saves a value N, and the value is the accumulation times of the counter in the 100 milliseconds under the theoretical work frequency; when the next precision synchronization message arrives, the slave clock compares the N and the true value of the counter, and the time of the slave clock is adjusted based on the difference value of between; and thus the problem of generation of master clock and slave clock drift due to no synchronization measure within 2 seconds is solved, and the time synchronization precision is further improved.

A first purpose of the present invention is to provide a fuzzy comprehensive evaluation method for safety risks of chemical hazards in a food. The method comprises the following steps: S1, detecting the content of each chemical hazardous substance in the food, determining the evaluation value of each chemical hazardous substance, and constructing an evaluation factor set; S2, establishing a comment set of fuzzy comprehensive evaluation: evaluating the food safety risk by taking the national limit standard MRL of food safety as an evaluation standard and adopting a zero / micro, low, medium, highand ultrahigh five-level scaling method; S3, taking the evaluation value of each chemical hazardous substance in step S1 as a calculation basis, and determining the weight of the multi-level risk factor by adopting an entropy algorithm, wherein the original detection data normalization method in the step S1 is revised by adopting a fixed coefficient method; and S4, calculating the safety risk comprehensive evaluation index FSI of the chemical hazard substances at all levels in the food by adopting a fuzzy comprehensive evaluation technology. The calculation method is objective and unified, and participation of subjective factors is effectively avoided.

The invention discloses an automatic cooling and lubricating device for a forging die, and belongs to the technical field of metal press working. The device comprises a spray nozzle, a pushing device and a fixing device. The spray nozzle is arranged on the fixing device, and extends to a die. The pushing device is used for pushing the fixing device to do retracting motion. When the an upper die and a lower die of the die are made, the pushing device pushes the fixing device to extend to the direction approaching the die. The spray nozzle protrudes into the space between an upper die cavity and a lower die cavity for cooling and lubricating. When the upper die and the lower die are combined, the pushing device pushes the fixing device to extend to the direction away from the die, and the spray nozzle backs out of the upper die and the lower die. The automatic cooling and lubricating device for the forging die overcomes the shortcomings that in the prior art, the automation level and work efficiency of the cooling and lubricating of the forging die are low, the work efficiency is effectively increased and the temperature is effectively reduced. The structure is simple, the use is convenient, and the temperature reduction is uniform.

The invention provides a roadside information service system for an intelligent bus and a use method of the roadside information service system. The roadside information service system of the intelligent bus mainly comprises an intelligent driving bus station control system, a station roadside information service system and the intelligent driving bus, the station roadside information service system transmits the collected information to a control center of the intelligent driving bus station control system; the control center controls the intelligent driving bus according to the obtained information; and the information among the intelligent driving bus station control system, the station roadside information service system and the intelligent driving bus is shared in real time. Accordingto the invention, the intelligent driving public transport vehicle information can be acquired in real time, the communication between a control center and vehicle information is ensured, and passengers can acquire the vehicle information in time, and vehicles can be dispatched in time according to requirements of passengers, so that the efficient, convenient, personalized and intelligent travelof the passengers is realized.

The invention discloses a method for improving penetration rate and stability of STUN-P2P through universal plug-n-play (UPnP). Port mapping request is sent to network address translation (NAT) through an UPnP port mapping client-side. If the port mapping request succeeds, port mapping successively established by the UPnP on the NAT is fed back to nodes. Established port mapping is transmitted to a STUN client-side to as to establish heartbeat message connection with an STUN server. If feedback data cannot be obtained, the STUN client-side is started to be connected with the STUN server to obtain ports. The nodes acquire external ports of the NAT from the position of the STUN client-side. The nodes are exchanged with peer nodes about external addresses and ports established on the NAT through an XML-based messaging and presence protocol (XMPP) or a session initiation protocol (SIP). The method for improving the penetration rate and the stability of the STUN-P2P through the UPnP has high efficiency of the UPnP and the penetrability of the STUN, enables connection success rate of the P2P to be improved and to be fast and stable, improves the stability of connection between network devices and users, thereby improving zero configuration of the nodes or using practical applicability of plug and play devices.

The invention discloses a concurrent transmission method of a uniform interface test of a power consumption information collection system. The method comprises the following steps: using a sum of a to-be-sent data transmission request amount and a transmission data size in a last period as a to-be-transmitted data request amount in the current period; calculating a load estimation value according to the to-be-transmitted data request amount and the maximum transmission amount of a transmission path; separately calculating an available bandwidth and a congestion degree according to the feedback information of the data request of the transmission data size in the current period; adjusting the to-be-sent data transmission request amount in the next period adaptively and dynamically according to the available bandwidth, the congestion degree and the load estimation value depending on an adjustment strategy; and performing optimization and adjustment on the segmentation threshold of a load factor based on a dynamic plan. The concurrent transmission method has the beneficial effects that the dynamic adjustment of key segmentation threshold of the data transmission request amount based on the optimum control algorithm, and the high efficiency of concurrent processing of test data is ensured.

The invention provides a dual-network redundancy link system and a communication node, which relate to the field of communication control. The system comprises a master station and a slave station, wherein the master station comprises a first control device and a second control device in communication connection; the first control device and the slave station are connected to form a first ring network topology structure; the second control device and the slave station are connected to form a second ring network topology structure; the slave station comprises at least one communication node, and two communication links exist between the communication node and the master station or other communication nodes; the communication node comprises two communication units, the communication unit comprises a communication chip and a control chip which are electrically connected, and the communication chip is used for communication connection with other communication nodes or the first control device or the second control device through one of the two communication links according to a selection control command of the control chip. Thus, the system at most allows three communication links to fail, thereby greatly improving the reliability of the system and meeting link redundancy and controller redundancy.

Embodiments of the invention provide a method for automatically generating crew schedules. The method comprises the following steps of: obtaining train number running moment data; determining a shifting room and a train depot dispatching position; traversing the train number running moment data to obtain all the pieces of train number running moment data corresponding to the determined shifting room and train depot dispatching position, and generating train number arrangement sequence data; carrying out automatic scheduling according to the train number arrangement sequence data and a preset shifting rule so as to generate shifting sequence data; obtaining an identifier of a steward, and generating a crew schedule according to the identifier and the shifting sequence data so that the steward can execute a crew task according to the crew schedule. According to the method provided by the invention, crew schedules are automatically generated, so that the schedules are fairer and more reasonable, powerful guarantee is provided for the effectiveness and safety of crew management, and the integral level of rail traffic crew management is improved.

The invention discloses a switch redundancy system for a data storage platform. The switch redundancy system for the data storage platform comprises a gateway, multiple switches, a storage and multiple servers; the gateway is used for connecting an intranet to an extranet; all the switches are connected to the gateway, and used for transmitting data between the intranet and the extranet in a mutual backup manner; the storage is used for storing data; and all the servers are connected to the storage, and used for accessing data from the storage in a mutual backup manner, wherein at least two independent physical connections are established between each switch and each server. By means of the switch redundancy system for the data storage platform disclosed by the invention, a high-redundancynetwork capable of improving the user experience can be constructed; and the robustness, the high efficiency and the reliability of the network can be ensured.

The invention provides a waste heat recovery system of a water injection screw air compressor. The waste heat recovery system comprises a heat exchanger, an oil temperature control system, a constant temperature water supply system, an oil cooler which is connected with the oil temperature control system and a cooling water control system which is connected with the oil cooler, wherein the oil temperature control system and the constant temperature water supply system are connected with the heat exchanger; the oil temperature control system comprises an oil temperature sensor, a three-way control valve and an oil temperature control device which is connected with the oil temperature sensor and the three-way control valve. Compared with the prior art, the waste heat recovery system of the water injection screw air compressor can monitor the temperature of lubricating oil and circulating water by a sensor technology in real time, and can also control and adjust strictly. The damage to a compressor machine which is caused by too high oil temperature is avoided, the electricity consumption of a water pump is reduced, high efficiency and stability for the operation of the equipment are ensured, and the purpose of energy saving is achieved.