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87results about How to "Does not cause paralysis" patented technology

High-speed optical fiber bus and realization method for redundance topological structure thereof

The invention discloses a high-speed optical fiber bus based on a command response type high-speed optical fiber bus protocol. The structure comprises an optical fiber bus, a network controller, a plurality of network terminals and a plurality of remote terminals, wherein the network controller is connected to the optical fiber bus, the network terminals are hooked on the optical fiber bus through a plurality of optical fiber couplers, and the remote terminals are connected to the optical fiber couplers through bridging equipment. The invention also discloses a realization method for a redundance topological structure of the high-speed optical fiber bus, which comprises the following steps of: closing an optical link, and detecting the connectivity of the optical link in real time; mutually serving as a backup by reverse double loops, and selecting the other link when one link fails; and utilizing a network monitor as redundance equipment of the network controller. By adopting the invention, the optical fiber bus can meet the requirement of various application environments, such as aerospace and the like for high speed, real time and high reliability, easily isolate single-point failures and support various topological structures, the communication rate can reach 2.5Gbps, wires are convenient to lay, the equipment used by a system is simple, and the reliability is high.
Owner:BEIJING TASSON SCI & TECH CO LTD

Automatic storing-and-taking method and device for dense three-dimensional warehouse goods shelf

The invention discloses an automatic storage-and-taking method and device for a dense three-dimensional warehouse goods shelf. The automatic storage-and-taking method for the dense three-dimensional warehouse goods shelf comprises the steps that (1) tray supporting beams are arranged on the dense three-dimensional warehouse goods shelf, trays are placed on the tray supporting beams, and each tray serves as a basic storage unit; (2) rail supporting blocks are arranged on the dense three-dimensional warehouse goods shelf below the tray supporting beams, and rails are laid on the rail supporting blocks; (3) at least one transfer trolley is arranged on the rails, a lifting assembly is arranged on the transfer trolley, the lifting assembly can lift up the trays and goods on the trays together, and automatic storage and taking of the goods can be achieved. According to the automatic storage-and-taking method and device for the dense three-dimensional warehouse goods shelf, arrangement of goods shelves in a warehouse can be compact, and the storage amount of the goods in the warehouse can be greatly increased. The transfer trolley is small and exquisite in size and stable in operation, a plurality of transfer trolleys can be adopted to carry out simultaneous operation, the efficiency of ex-warehouse and efficiency of storage are obviously improved, the time for ex-warehouse and the time for storage can be shortened, failure rate is low in the process of operation, and reliability of ex-warehouse and reliability of storage are improved.
Owner:GUIYANG PUTIAN LOGISTICS TECH

Traffic information network architecture system of self-controlling dispersion track

The invention relates to a traffic information network architecture system of a self-controlling dispersion track, which comprises a central control system, a plurality of zone control systems and a plurality of onboard control systems and also comprises a plurality of zone operation control systems, wherein each zone operation control system undertakes tasks controlled by different zones according to different zone positions and is set up at different zone positions; a zone can be a zone between adjacent two stations or a zone among several stations; the zone specifically controlled by the zone operation control system can be regulated according to the actual operation conditions of a train. Each zone operation control system is respectively connected with the central system and each zone control system by a wide area transmission network and carries out communications. The invention has the advantages of high safety and high reliability; when the central control system breaks down, the breakdown of the whole control system can not happen, and other systems can still operate, and thereby, the construction and maintenance costs under the track traffic networking operation conditions are reduced and the economic benefits are increased.
Owner:SHANGHAI MAGLEV TRANSPORTATION DEVELOPMENT CO LTD +1

Charging-discharging control circuit of vehicular power battery pack

The invention discloses a charging-discharging control circuit of a vehicular power battery pack, which at least comprises a flexible connection battery pack module 1, a data acquisition module 2 and a control module 3, wherein the flexible connection battery pack module 1 at least comprises a battery unit and a flexible connection unit. The charging-discharging control circuit disclosed by the invention realizes switching of single battery connection modes of the vehicular power battery pack under the charging and discharging conditions; when the vehicular power battery pack is charged, all single batteries are charged in a series connection mode, therefore low-current fast charging under high voltage is realized easily, and the charging speed is improved; when the vehicular power battery group is in a discharging state, the single batteries are connected in parallel and then connected in series, and thus the fault rate of the whole battery pack system is reduced; and the control circuit disclosed by the invention can ensure that the consistency of the single batteries in the battery unit is kept well, the optimal property of each single battery is expressed, the battery volume is fully utilized, the life of the battery pack is prolonged, and favorable practical application value is achieved.
Owner:GUANGXI UNIV

Channel radioactive substance inspecting and monitoring device and inspecting method

The invention discloses a channel radioactive substance inspecting and monitoring device and an inspecting method. The monitoring device comprises a channel body, a terminal data processing module, at least one inspecting module, a POE power supply module and video monitoring probes with the number identical to that of the inspecting modules. Each inspecting module comprises a radioactive inspecting probe packaging box, a radioactive inspecting probe and a nuclear measurement electronics processor. After radiation data detected through the radioactive inspecting probes are processed through the nuclear measurement electronics processors, the radiation data are transmitted to the terminal data processing module through the POE power supply module, video data are transmitted to the terminal data processing module through the video monitoring probes, the radiation data and video corresponding to the data are displayed through the terminal data processing module, whether the radiation data exceed the standard or not is judged, and if yes, an alarm is given to the data exceeding the standard. According to the channel radioactive substance inspecting and monitoring device, the responding speed is high, natural background radiation interference can be eliminated, and the practical value is large.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Multi-channel high-repetition-frequency large-dynamic-range distance and speed measurement laser radar method and device

ActiveCN111337902AAchieve matchingAchieving Parallel Synchronized MeasurementsElectromagnetic wave reradiationBeam splitterIntermediate frequency
The invention discloses a multi-channel high-repetition-frequency large-dynamic-range distance measurement and speed measurement laser radar method and device. A laser light source generates a light beam, the light beam is divided into output light beams of N channels through a beam splitter, broadband linear frequency modulation is carried out on the output light beams of each channel, and then aphase modulator is driven after phase shift of different amplitudes, so that the output light beams of each channel have different time delays; the laser beam is divided into a local oscillation light beam and an emission light beam through a beam splitter; the N transmitting light beams are transmitted to a target in parallel and echo light beams of the target are received, coherent light mixingis carried out on the signals and corresponding local oscillation light beams, intermediate frequency signals containing target distance and speed information are obtained, parallel fast Fourier transform and cross-spectrum processing are carried out on sampling data of the intermediate frequency signals, parallel synchronous measurement of the target distance and speed is achieved, and finally merging output of point cloud images of N channels is achieved through a main control computer. The device can effectively overcome distance measurement ambiguity, and has the advantages of high repetition frequency, large dynamic distance measurement range, high resolution, high precision, high reliability, small size, light weight and the like.
Owner:孙建锋

Power transmission line state monitoring system based on wireless power private network and bus topologies

The invention relates to the power transmission line monitoring technology, in particular to a power transmission line state monitoring system based on a wireless power private network and bus topologies. The power transmission line state monitoring system based on the wireless power private network and the bus topologies solves the problem that an existing power transmission line state monitoring network lacks reasonable network topologies. The power transmission line state monitoring system based on the wireless power private network and the bus topologies comprises a terminal portion and a transmission medium portion, the terminal portion comprises FTUs (feeder terminal units), wireless network cameras, smart electric meters, wireless access devices, a remote radio head, a wireless edge server, a network management server and an application server, the FTUs, a first wireless access device and a first CAN (controller area network) bus jointly form one bus topology, the wireless network cameras, a second wireless access device and a second CAN bus jointly form one bus topology, and the smart electric meters, a third wireless access device and a third CAN bus jointly form one bus topology. The power transmission line state monitoring system based on the wireless power private network and the bus topologies is applicable to power transmission lines.
Owner:DATONG POWER SUPPLY COMPANY OF STATE GRID SHANXI ELECTRIC POWER +1

Unmanned aerial vehicle cluster danger avoiding method

The invention is applicable to the field of flight control and provides an unmanned aerial vehicle cluster danger avoiding method. The unmanned aerial vehicle cluster danger avoiding method comprisesthe steps that single rotor-wing unmanned aerial vehicles obtain obstacle / threat information in a detection area and information of other rotor-wing unmanned aerial vehicle individuals in a preset range of the rotor-wing unmanned aerial vehicle individuals, an obstacle / threat light field model is established according to obstacle / threat information, the rotor-wing unmanned aerial vehicles are controlled based on a preset motion control rule I, a preset motion control rule II and a preset motion control rule III according to the information of other rotor-wing unmanned aerial vehicles in the detection area of the rotor-wing unmanned aerial vehicles and the obstacle / threat light field model, so that the rotor-wing unmanned aerial vehicle individuals produce corresponding behavior action instructions, expected control instruction signals which can be executed by the rotor-wing unmanned aerial vehicles are generated according to the behavior action instructions and the state information ofthe rotor-wing unmanned aerial vehicle individuals, and motions of the rotor-wing unmanned aerial vehicles are controlled. The method is simple in control and can be used for automatic avoiding of static / dynamic obstacle objects and dangerous areas. Therefore, an application range is wide, the calculation amount is small, and the flexibility is high.
Owner:ARMY ENG UNIV OF PLA

Distributed management framework based on extensible and high-performance computing and distributed management method thereof

The invention discloses a distributed management framework based on extensible and high-performance computing and a distributed management method thereof. The distributed management framework is composed of an integrated management system, a centralized management system and a distributed management system. The integrated management system and the centralized management system are connected through a local area network. The integrated management system and the distributed management system are connected through the local area network. The centralized management system is mainly composed of multiple servers equipped with high-performance scientific computing cards. The servers manage all the scientific computing cards in a centralized way and perform unified computing. The distributed management system is composed of multiple common computers equipped with the high-performance scientific computing cards. The servers manage all the scientific computing cards in the centralized way and perform unified computing. The requirement for the single computing node and hardware is low by using distributed management so that various idle resources can be effectively utilized and the utilization rate of the common computers can be greatly enhanced.
Owner:江苏十月中宸科技有限公司

Unmanned aerial vehicle cluster surrounding tracking method

The invention is suitable for the field of flight controlling, and provides an unmanned aerial vehicle cluster surrounding tracking method. The method comprises the steps of acquiring tracking objectinformation and other rotor unmanned aerial vehicle individual information in the detecting range of a rotor unmanned aerial vehicle individual by the rotor unmanned aerial vehicle individual; according to a light field model of the tracking object, making the rotor unmanned aerial vehicle perform object motion tracking and space adjustment motion according to a first preset motion control rule and a second preset motion control rule, and making the rotor unmanned aerial vehicle individual generate a corresponding behavior action instruction; according to the behavior action instruction, generating an expected control instruction signal which can be executed by the rotor unmanned aerial vehicle according to the state information of the rotor unmanned aerial vehicle individual, and controlling motion of the rotor unmanned aerial vehicle; and repeatedly executing the first preset motion control rule and the second preset motion control rule until the tracking process is finished. The unmanned aerial vehicle cluster surrounding tracking method realizes simple and flexible controlling and is suitable for automatic distribution and surrounding tracking to single or multiple static / dynamic objects, and furthermore the number change of inner members in the cluster does not increase controlling complexity.
Owner:ARMY ENG UNIV OF PLA

Unmanned aerial vehicle software remote upgrading and rollback method

The invention provides an unmanned aerial vehicle software remote upgrading and rollback method. An unmanned aerial vehicle comprises a storage area and an unmanned aerial vehicle software upgrading module. The storage area is divided into a main storage area, a standby storage area and a data area. According to the method, the storage area is partitioned, so that the unmanned aerial vehicle can carry out an upgrading task and can also keep normal work, the current task of the unmanned aerial vehicle does not need to be interrupted, and compared with a traditional disassembly upgrading mode, the method has the advantages that the complicated operation of equipment disassembly is effectively avoided, and the risk of damage to the unmanned aerial vehicle equipment is avoided; in the case of abnormal upgrading or upgrading failure caused by external uncontrollable factors (such as sudden power failure) in the upgrading process of the unmanned aerial vehicle, the unmanned aerial vehicle can still work again by using the software of the old version through the rollback operation without causing equipment paralysis, so that the robustness of the upgrading process is effectively ensured, and the technical problem that in the prior art, unmanned aerial vehicle software upgrading is low in cost and efficiency is solved.
Owner:XIAN LINGKONG ELECTRONICS TECH CO LTD

Power-distribution-network state simulation and evaluation system based on tree topology structure

The invention relates to the power-distribution-network state simulation and evaluation technology, in particular to a power-distribution-network state simulation and evaluation system based on a tree topology structure. The power-distribution-network state simulation and evaluation system based on the tree topology structure solves the problems that an existing power-distribution-network state simulation and evaluation network runs unstably and is poor in reliability. The power-distribution-network state simulation and evaluation system based on the tree topology structure comprises a PMS server, an SCADA server, a GIS server, a marketing system server, switches, a database server, a WEB server, a simulation server, an evaluation server, twisted pair cables and a CAN bus, wherein the number of the switches is two, branches of the tree topology structure are constituted by the PMS server, the SCADA server, the GIS server and the marketing system server together, and trunks of the tree topology structure are constituted by the switches together. The power-distribution-network state simulation and evaluation system based on the tree topology structure is suitable for simulating and evaluating the state of a power distribution network.
Owner:TAIYUAN POWER SUPPLY COMPANY OF STATE GRID SHANXI ELECTRIC POWER +1

Multi-gateway scene implementation method and system, electronic equipment and storage medium

The invention relates to the field of network communication, and provides a multi-gateway scene implementation method and system, electronic equipment and a storage medium. The method comprises the following steps: splitting a scene condition of a first scene to obtain a single gateway scene condition, and splitting a scene action of the first scene to obtain a single gateway scene action; respectively sending and storing the single gateway scene condition and the single gateway scene action to corresponding gateways; and receiving a message that the single-gateway scene condition is triggered, and determining to send a command for executing the scene action of the first scene to the gateway related to the first scene according to the triggered single-gateway scene condition, so that the gateway executes the scene action of the first scene. According to the multi-gateway scene implementation method and system, the electronic equipment and the storage medium provided by the embodiment of the invention, whether the multiple gateways and conditions are met or not is judged according to the equipment state information stored by the cloud server, so that the judgment logic is simplified, and the communication overhead between the cloud server and the gateways is reduced.
Owner:MIDEA GRP CO LTD

Coal spontaneous combustion risk degree multi-source information fusion early warning method

The invention relates to a coal spontaneous combustion danger degree multi-source information fusion early warning method, and solves the problems that an existing coal spontaneous combustion early warning method is low in early warning precision, and scientific decision is hard to make to obtain the spontaneous combustion position, ignition time and hidden danger degree of coal spontaneous combustion. The method comprises the following steps: step 1, arranging a sensor; : step 2, registering the sampling time of the sensor; : step 3, acquiring the acquisition value z (k) of each sensor at different moments; : step 4, performing noise reduction processing on the acquisition value z (k) of each sensor in the step 3; : step 5, taking historical actual detection data of the sensor at the early warning point as coal spontaneous combustion characteristics, and performing normalization processing; : step 6, determining the hidden danger degree and the ignition time of coal spontaneous combustion; and : step 7, through the coal spontaneous combustion target early warning point obtained in the step 5 and the coal spontaneous combustion hidden danger degree and ignition time obtained in thestep 6, early warning of the coal spontaneous combustion danger degree is completed.
Owner:XIAN UNIV OF SCI & TECH +1
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