905 results about "Multi machine" patented technology

The present application discloses a system and method of critical web-based service architecture at a high level for color management systems in which services can be rendered remotely at very low cost to the end user using a cloud computing based computer network architecture. Service supported include Remote RIPPing, remote profiling, remote IQ analysis for diagnosing color problems, Remote System Problem Action Requests (SPAR) evaluation and patch distribution, remote copy match solutions; multi-machine matching; remote Half-tone downloads; other remote file processing; and image or photo indexing and retrieval.

Some embodiments establish for an entity a virtual network over several public clouds of several public cloud providers and / or in several regions. In some embodiments, the virtual network is an overlay network that spans across several public clouds to interconnect one or more private networks (e.g., networks within branches, divisions, departments of the entity or their associated datacenters), mobile users, and SaaS (Software as a Service) provider machines, and other web applications of the entity. The virtual network in some embodiments can be configured to optimize the routing of the entity's data messages to their destinations for best end-to-end performance, reliability and security, while trying to minimize the routing of this traffic through the Internet. Also, the virtual network in some embodiments can be configured to optimize the layer 4 processing of the data message flows passing through the network.

The invention provides a software deployment system and a software deployment method based on workflow in a cloud computing environment. The software deployment system comprises a user interface layer, a system logic layer and a cloud resource layer, wherein the user interface layer is used for a user to describe a software deployment plan, define a dependence relation between software, inquiry the node state of a target machine, describe software attribute and monitor a software deployment process; the system logic layer is used for analyzing a soft deployment plan file submitted by the user and deploying a software packet on a remote cloud resource node according to the deployment plan of the user; and the cloud resource layer is used for deploying software. The system and the method have the advantages that automatic software deployment under a Windows operating system and a Linux operating system is supported; comprehensive and accurate verification of the software deployment is provided; on the basis of a workflow technology, automatic deployment dependent on the software is supported; multi-machine concurrent transmission and software packet deployment are supported; the deployment efficiency is improved; and automatic software inverse deployment is supported.

A sorting system for postal mail has a plurality of input sections capable of operating in parallel, each including a feeder that takes in mail pieces one at a time and a scanner that scans each mail piece for destination indicia. The system further includes a plurality of stackers each comprising at least one row of pockets in which mail is stacked, and a routing section or switch network effective to route mail in accordance with a sort scheme from any input section to any pocket of a stacker. The routing section uses diverts and merges so that mail can be conveyed to each stacker in accordance with a sort scheme implemented by a control system.

The invention relates to the field of technology, in particular to a webpage-crawling-based crawler technology. After URL (uniform resource locator) link addresses are initiated, the technology comprises the following steps: (1), reading the URL link addresses at the head of a running queue in the queue from a given access by using an equilibrium assignment crawler thread; (2), judging whether the URL link addresses exist or not, stopping crawling if the URL link addresses exist, otherwise crawling and placing the URL link addresses in a completion queue; (3), extracting webpages corresponding to the URL link addresses which are placed in the completion queue; (4), filtering the URL link addresses in the extracted webpages, keeping and writing effective URL link addresses into the running queue, and returning to the step (1) to repeat the steps. According to the technology, corresponding resources are crawled from the Internet, and the URL link addresses are rewritten and stored to pertinently acquire Internet information based on objects set by users according to tasks created by the users; in addition, multi-machine parallel crawling, multi-task scheduling, continuous crawling from a breakpoint, distributed crawler management and crawler control can be implemented.

The invention relates to a method for implementing the high availability of the system in a multiprocessor environment. In the multiprocessor environment, one ore M standby computers correspond to N active computers and deliver the standby service for N active computers; when one standby computer corresponds to N active computers, the standby computer monitors the heartbeat with the active computer in the mode of the multicast and the standby computer monitors the working state of the active computers in the mode of the heart beating line; when the standby computer monitors that the active computer malfunctions, the standby computer takes over the work of the active computer and provides the service provided originally by the active computer to the outside so as to implement the continuous application under the circumstance that the user can not feel the service interception. The invention has the beneficial effects that the scalability of the high-availability system is solved and the high availability of the system can be realized with lower cost in a complicated multiprocessor environment having a plurality of applications, and the utilization ratio of the system resources can be enhanced.

Computerized scheduling methods and computerized scheduling systems according to exemplary embodiments. A computerized scheduling method may be stored in a memory and executed on one or more processors. The method may include defining a main multi-machine scheduling problem as a plurality of single machine scheduling problems; independently solving the plurality of single machine scheduling problems thereby calculating a plurality of near optimal single machine scheduling problem solutions; integrating the plurality of near optimal single machine scheduling problem solutions into a main multi-machine scheduling problem solution; and outputting the main multi-machine scheduling problem solution.

The invention discloses an unbalance voltage compensation and control method based on a virtual synchronous machine. According to the method, the power calculating method on the basis of notch filter is adopted, the problems that a first order low pass filter is low in responding speed and stability and cannot eliminate secondary harmonic caused by unbalance load can be eliminated, the calculated total active power and reactive power serves as the feedback input of droop control, and part of produced unbalance voltage is suppressed by the proportional integral and the resonance control method; meanwhile, an unbalance voltage compensation controller is adopted to eliminate the unbalance quantity. The unbalance voltage can be compensated, the fine equalizing current balance of parallelly-connected multiple machines can be maintained, the method can be widely applied to micro grid inverter control on the unbalance loaded condition so as to maintain the output voltage balance during off-grid operation, and parallelly-connected operation of multiple machines is allowed.

The invention discloses a high-speed railway traffic dispatching command and train running control network cooperation system which belongs to the technical field of railway transportation. The systemconsists of two major parts of a railway sand table demonstration system and a high-speed railway traffic dispatching command system; a railway sand table is a hardware system, comprises a train subsystem and a track subsystem and is connected with a communication switch by a track circuit and an interlock machine cabinet; and the high-speed railway traffic dispatching command system is a software system, comprises five major modules for system control, train control, running chart treatment, sequencing of receiving-departure track routing and network cooperation and is connected with the communication switch by a command sending subsystem and an information receiving subsystem. The system organically links up the railway sand table and the dispatching command system into a whole throughthe communication switch, realizes the multi-person multi-machine network cooperation operation, greatly improves the teaching effect and firstly realizes the teaching mode of integrated management and control and network cooperation operation in the railway transportation teaching experiment.

The invention discloses a one-station-multi-machine control method, apparatus and system, and relates to the field of unmanned aerial vehicles. The method comprises the following steps: a server receives an unmanned aerial vehicle control instruction sent by a ground station device, wherein the unmanned aerial vehicle control instruction contains a variable identifier used for identifying an unmanned aerial vehicle; and the server acquires an address identifier of the unmanned aerial vehicle according to the variable identifier, and sends the unmanned aerial vehicle control instruction to a communication module in the unmanned aerial vehicle through a mobile network according to the address identifier of the unmanned aerial vehicle, so that the unmanned aerial vehicle executes an operation according to the unmanned aerial vehicle control instruction, wherein the communication module in the unmanned aerial vehicle contains the address identifier of the unmanned aerial vehicle. By adoption of the one-station-multi-machine control method, apparatus and system disclosed by the invention, one ground station device can control multiple unmanned aerial vehicles.

The invention discloses a highway rear-end collision prevention early warning system which relates to the technical field of traffic safety facilities. The highway rear-end collision prevention early warning system comprises control terminals (K) which are arranged at an entrance and an exit; monitoring subnetworks are arranged at N monitoring points of a highway full-range two-way lane, and the long-distance wireless communication between each monitoring subnetwork and the control terminal (W) is realized through a GSM / GPRS (Global System for Mobile Communications / General Packet Radio Service) wireless communication module (W); and each monitoring subnetwork mainly comprises a plurality of ultrasonic probes, a multi-machine communication interface circuit and an acousto-optic warning board (P). The invention has low expense and convenient construction, can accurately and reliably monitor and compute the vehicle speed, the lane and the front-and-rear vehicle distance of driving vehicles, can adjust the early warning threshold values of the safe vehicle interval and the vehicle speed according to the change of visibility, can early warn rear-end collision, overspeed, low speed, traffic jams of a forward road and the like, improves the smoothness ratio of the road, ensures the driving safety and is suitable for highway rear-end collision prevention early warning.

The invention relates to a multi-machine collaborated wheat harvest system. The system comprises one piloting wheat harvester, a plurality of following wheat harvesters, a plurality of wheat transport carts, one maintenance truck and a wireless communication system. The multi-machine collaborated wheat harvest system uses one manually-driving harvester for piloting, and the plurality of automatically-driving harvesters follow to harvest wheat; and the wheat transport carts are adopted to be matched with the harvesters for operation, so as to automatically load, transport and unload harvested wheat. The multi-machine collaborated wheat harvest system has the advantages that the multiple machines are driven by one person, so that labor cost is saved; complex design for a single large-scale wheat harvester is avoided; collaboration of multiple machines enables the harvest efficiency to be improved exponentially, and great significance is realized for rush-harvesting in the farming season; and the harvesters and the transport carts are matched for operation, which further reduces labor intensity of people, and has certain practical value.

The invention discloses a multi-unmanned-aerial-vehicle autonomous collaborative-decision-making fast integration system. The system comprises a ground monitor center, a communication system and an onboard flight mission management system. The ground monitor center comprises a man-machine interaction interface and an autonomous collaborative-decision-making module. The collaborative-decision-making module comprises a threat assessment module, a task planning module and an autonomous decision-making module. The task planning module comprises a formation task distribution module, an autonomous task planning module and a multi-machine negotiation module. The onboard flight mission management system comprises an instruction parsing and execution module, an instruction packing module, a data type conversion module, a waypoint storage and management module, an autonomous track planning module and an unmanned aerial vehicle SDK control module. The unmanned aerial vehicle SDK control module is configured to control an unmanned aerial vehicle. Through the embodiment of the invention, technical problems of how to realize multi-unmanned-aerial-vehicle autonomous collaborative fast integration application and system modularization and how to raise artificial intelligence performance of the system are solved.

The invention discloses a telemetry information comprehensive treatment system of an unmanned plane and a compressive treatment display method thereof. The telemetry information comprehensive treatment system of the invention constructs a comprehensive treatment system and the modules forming the comprehensive treatment system on a platform on the basis of a distributed computer system of the earth station of the unmanned plane. The comprehensive treatment display method of the system uses a local area network communication technique and a multi-thread technique, completes the multipath reception, distribution by category, modularization parallel treatment and display of the telemetry information, realizes the multi-machine share of the telemetry information, quickens information treatment speed, enhances display effect and increases playback function.

The invention relates to a record playback technology-based embedded software debugging device and method. The device comprises at least one host and at least one target, the hosts comprise debuggers, the debugger of one host is used as a master debugger, and the debuggers of the rest hosts are used as slave debuggers. According to the device and the method, a recording module for recording the debugging process and generating recording data is added at the target. A recording module, namely a server module for storing and managing debugging recording data is increased by the host and the target. The debuggers of the other hosts can play back the debugging process through debugging recording files on a debugging server and can reproduce the running process of a program so as to fulfill the purpose of reproducing an embedded debugging process and performing multi-machine shared debugging.

A general mobile hoisting machinery operating state remote online monitoring system belongs to crane field, it includes: on-site information acquisition processing terminal, information remote processing terminal and network heterochthonous browsing monitor and inquiry terminal. The on-site information acquisition processing terminal is connected with information remote processing terminal through wireless GPRS / GSM network, the network heterochthonous browsing monitor and inquiry terminal is connected with the information remote processing terminal through Internet, on-site information acquisition processing terminal realizes the real-time acquisition and preprocessing of work state information of mobile hoisting machinery distributed at many position, the information remote processing terminal realizes the concentrated display, storing, inquiry, fault alarm and intelligent maintenance of every mobile hoisting machinery work state parameters, the network heterochthonous browsing monitor and inquiry terminal realizes that no matter where users and administrator are, they can monitor and inquire work state and maintenance condition through Internet at current time. The invention has advantage of versatility, instaneity, multi-machine monitoring capability and strong applicability.

The invention discloses a modularized multi-machine parallel-connection large-power APF (active power filter) control system and a realization method. By coordinating an upper layer controller and a lower layer controller, an effect for reasonably allocating the compensative capacity and improving the compensation precision can be realized; the upper layer controller is used for carrying out the coordination and switching control on each power module, for example, the upper layer controller is used for operating and monitoring the quantity of the power modules to be put into use according to a load requirement, numbering the power modules according to a rule and eliminating the switching subharmonic by utilizing the carrier phase shifting; the lower layer controller is used for receiving a compensation order of the upper layer controller and a synchronous signal of a previous sequence number controller and feeding back state information of the power module to the upper layer controller. By adopting the modularized multi-machine parallel-connection large-power APF control system, the compensation capacity of the power module and the computation of an upper layer and a lower layer of the control system are reasonably allocated, the entire system can be enabled to run stably and orderly, the stopping of the entire system caused by the malfunction of one power module can be avoided, and the feasibility and practical value are good.

The present invention provides a comprehensive managing platform system for automatically rating the electric energy measurement, and consists of a database server, a data accessing logic layer, an automatic rating user end, a WEB server, and a system interface part. The system adopts a C / S and B / S configuration coexisting net combining method, adopts a device communication unified interface design, and connects the technologies which are irrelevant to the device with different measuring devices. The present invention can realize the standardization, the unification, and the standardization of the electric energy measuring task by five function modules of the communication interface managing function, the legal system and law application managing function, the rating work flow managing function, the rating item managing function, and the statistic searching and analyzing function, thereby ensuring the multi-machine work by one person justly and rightly according to the law.

The invention provides a UART (universal asynchronous receiver / transmitter)-based master-slave multi-processor communication system and method. The system is characterized by comprising a master processor, n slave processors and a communication bus, wherein n is a positive integer equal or greater than 1, a TX port, a RX port and an IO port of the master processor are respectively connected to the communication bus through circuits, the TX port, the RX port and the IO port of each of the slave processors are respectively connected to the communication bus through the circuits. The RX port and the TX port of the master processor and the RX port and the TX port of the slave processor are connected to the same communication bus, so that the wiring between the devices and the mutual interference of the signals are reduced. Furthermore, the extra appliance is unnecessary to add in the system, the cost is low, the design period is short, and the system can be extensively applied to the communication among multiple devices in short distance.

The invention relates to a continuous casting-direct rolling device for producing a rod wire and a section bar. The device comprises a continuous casting machine, a casting blank cutting device, a after-cutting roller way, a quick heat-insulating roller way and a steel rolling production line, wherein the continuous casting machine is arranged as a one-machine one-flow or multi-machine multi-flow continuous casting machine; the roller way width of the quick heat-insulating roller way is gradually reduced along the direction from the continuous casting machine to the steel rolling production line till a single casting blank can pass; a plurality of hot metal detectors, a pyrometer and a heat-insulating device are arranged on the quick heat-insulating roller way; the device further comprises a casting blank unloading device; the casting blank unloading device can be selectively arranged in front of the quick heat-insulating roller way or the steel rolling production line. The invention further provides a continuous casting-direct rolling method for producing the rod wire and the section bar. According to the invention, a traditional heating furnace is cancelled and the metallurgy thermal energy of a continuous casting blank is fully utilized, so that the energy consumption and the discharging in the production of the rod wire and the section bar are greatly reduced; the technological process is simplified, the equipment investment of a heating furnace area is reduced, and the cost is lowered; the oxidation burning loss of the billet is reduced and the yield is increased.

The invention discloses a multimachine Bluetooth group communication method based on an Android system, which manly solves the problem that when the existing G network or C network is in a weak signal area, the communication quality is poor, and the communication expense is high. The method comprises the following steps: Bluetooth is started by main Android equipment and auxiliary Android equipment, a Bluetooth Adapter is created by the main equipment to search surrounding auxiliary equipment, and the main equipment and the auxiliary equipment are matched and connected to create a Bluetooth piconet; a Thread for each auxiliary equipment is created by the main equipment to monitor a communication request, the Thread created by the main equipment is responded by each auxiliary equipment to initiate the communication request, data is transmitted and received by the main equipment and the auxiliary equipment, and the received and transmitted data is updated to message interfaces of the main equipment and the auxiliary equipment timely. The invention has the advantages that the zero communication expense is realized, the communication effect in the weak signal area is good, in addition, the intervention of a third party is free, and the new method is suitable for the data communication of short-distance smart phones.

The invention discloses a communication protocol applicable to reliable multi-machine communication. The frame format of the communication protocol comprises a frame starting field, a frame header field, a load filed, a check field and an ending field, which are arranged in sequence from front to back, wherein the frame header field comprises a frame type field, a source address filed, a destination address filed, a load length filed and a functional codeword field, which are arranged in sequence from front to back; the load filed is expressed as a plurality of continuous data type fields according to the load contents to form a load structure model. According to the communication protocol, the frame header field comprises the source address filed and the destination address filed, thereby being applicable to multi-device communication. The load structure model is used for effectively improving the data framing and analysis efficiency. The frame header field comprises the frame type field, therefore classified analysis can be performed on the load data according to the frame type so as to effectively improve the readability and maintainability of the code.

The invention discloses a load balancing module in a financial real-time trading system, which is located between a terminal and a background server cluster. The load balancing module comprises at least two servers, each load balancing server is provided with a foreground network card and a background network card and adopts a VRRP (virtual router redundancy protocol). The foreground network cards are in one set and are externally provided with a unique IP (internet protocol) address and a unique MAC (media access control) address and internally divided into a master control foreground network card and the reset of backup foreground network cards. The background network cards are also in one set and are externally provided with a unique IP (internet protocol) address and a unique MAC (media access control) address and internally divided into a master control background network card and the reset of backup background network cards. Each load balancing server operates a load balancing program, and the load balancing program comprises a load balancing process, a multi-machine hot standby process and a monitoring process; and in the multi-machine hot standby process, the master control foreground network card and the master control background network card determined by the VRRP protocol are monitored, and the master control foreground network card and the master control background network card must be on a same load balancing server.

The invention discloses a saw frame feeding system with the constant saw cutting force and the variable feeding speed and a saw frame feeding method. The system consists of a saw frame, a hydraulic system and a control system, wherein the saw frame is arranged on a sawing machine through double upright posts and is driven by an oil cylinder to vertically move along the upright posts. The control system is in a multilayer multi-machine cooperative hardware system structure, real-time / non-real-time tasks are allocated to each processing unit according to the types, and the reliability of the system is improved through a hard logic gate circuit. According to workpiece cross section types and parameters selected by operators, the system implements the variable feeding speed feed forward control on the basis of the workpiece saw cutting width variable by combining the measured saw frame displacement and the workpiece material hardness. The constant saw cutting force closed loop feedback feeding control is carried out according to oil cylinder oil pressure value collected by a pressure sensor, the quality of saw cutting workpieces and the work efficiency of the sawing machine are improved, and the saw blade consumption is reduced. Through the adoption of control strategies of customized cutting-in and cutting-out feeding and fast ascending reset of the saw frame, the solution of thesaw frame feeding control system is more prefect.

The invention relates to a fully-automatic grinder comprising a base, a workbench, a headstock, a tailstock, a grinding wheel mechanism, a feeding and discharging manipulator, an automatic feeding mechanism, an automatic discharging mechanism and a numerical control device. A chuck and a centre are arranged on opposite faces of the headstock and the tailstock respectively and concentrically. The feeding and discharging manipulator comprises a taking pneumatic gripper, a taking cylinder, a putting pneumatic gripper, a putting cylinder, a guide slide fixing frame, a ball screw, a linear guide rail and a guide rail bracket, the taking pneumatic gripper, the taking cylinder, the putting pneumatic gripper and the putting cylinder are all mounted on the guide slide fixing frame, the taking pneumatic gripper and the putting pneumatic gripper are arranged at an included angle forward and backward and arranged parallelly leftward and rightward, and the guide slide fixing frame is in sliding fit with the ball screw and the linear guide rail. The grinder is high in automation degree, the whole process of feeding, discharging, clamping, machining, on-line measurement and the like of workpieces is completed automatically through the numerical control device, one-man multi-machine operation can be realized, production efficiency and production quality are improved, and labor intensity and production cost of workers are lowered.

The invention provides a method, a system and a device for hot backup of a multi-machine, wherein the method comprises the steps as follows: a master device and a slave device are determined from N+1 devices for mutual hot backup; the master device and the slave device respectively build a backup virtual topology according to physical topology information among the N+1 devices; the master device is a top node of the backup virtual topology in the backup virtual topology; the master device is connected with the slave devices, of which the quantity is smaller than or equal to N-1 and which are used as downstream nodes of the master device; at least one slave device is connected with another slave device as the downstream node of the slave device; only an upstream node is arranged on each slave device, and the master device and the slave devices with the downstream nodes transmit synchronous data to the downstream node to carry out hot backup. According to the technical scheme provided by the invention, the burden of the master device is reduced by changing a conventional star backup structure regarding the master device as a core into a backup structure in a distributed mode.

An integrated controlled multi-air conditioner system comprising a plurality of groups of indoor units, a plurality of outdoor units connected with the indoor unit groups, respectively, at least one local control unit connected in common with the outdoor units over an internal network for controlling operations of the outdoor units, and a protocol conversion unit connected with the local control unit. The protocol conversion unit is adapted to convert different communication protocols of data transmitted and received between an external Internet network and the internal network into each other to transfer a control command received over the external Internet network to at least one of the outdoor units. The multi-air conditioner system can be efficiently controlled from the internal network and external Internet network, resulting in a reduction in manpower and time for air conditioner management. The multi-air conditioner system is also economical in that it has a reduced number of public IP addresses assigned thereto.

The invention provides a multi-machine multi-card hybrid parallel asynchronous training method for the convolutional neural network. The method comprises steps that a CNN model is constructed, and training parameters are set; data parallelism of a Softmax layer is changed into model parallelism, the integral model is divided into multiple pieces, and the multiple pieces respectively correspond tomultiple GPUs for calculation; a source code of the Softmax layer is modified, instead of exchanging parameter data before calculating the result, Ring All-reduce communication algorithm operation ofthe calculation result is carried out; one multi-machine multi-card GPU is selected as a parameter server, and other GPUs are for training; in a Parameter Server model, each Server is only responsiblefor some of assigned parameter and processing tasks; each sub node maintains the own parameters, after update, the result is returned to a main node for global update, new parameters are further transmitted by the main node to sub nodes, and training is sequentially completed.

The invention relates to a system and a method for automatically upgrading network devices in batch in a factory. The system comprises an upgrading server, a multi-machine server, a switch and network devices. The upgrading server is used for storing an upgrading file and broadcasting upgrading notification information in a local area network. The multi-machine server is used for distinguishing different network devices. The switch is used for connecting with at least one network device. The network devices are used for receiving the upgrading notification information sent from the upgrading server in a system guiding phase of the network device, acquiring the upgrading file according to the upgrading notification information and then upgrading. Through adoption of the system and the method for automatically upgrading network devices in batch in the factory, the broadcast upgrading notification information comprises server information, so that it is not necessary to reconfigure all network devices when the upgrading server is changed; and the automatic upgrading function is realized in BOOT in booting, and it is not necessary to request upgrading after network devices are booted completely, so that working efficiency of the factory is improved.

The invention discloses a double-fed machine set wind power station equivalent modeling system and method based on rotation speed grouping, wherein the system comprises a fan running information extracting unit, a machine set grouping unit and an equivalent machine parameter calculating unit which are sequentially connected. The method comprises the following steps that firstly the fan running information extracting unit extracts all rotation and mechanical power information of fault initial time of all to-be-equivalent fans for subsequent calculation; then the machine set grouping unit divides machine sets with similar rotation speed of fault initial time of the machine sets into a same machine group; and finally, the equivalent machine parameter calculating unit calculates each group of equivalence to be parameters of one double-fed machine set by adopting a volume weighting based parameter polymerization method, and thus a multi-machine electromagnetic transient state equivalent model which is subjected to equivalence of a wind power station. The system and the method provided by the invention provide a foundation condition for the influence research on the conventional relay protection for large-scale wind energy electromagnetic transient state value simulation calculation and switched power systems.