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107results about How to "Self-organizing" patented technology

Intelligent household control system based on ZigBee and cloud computing

The invention belongs to the field of intelligent household, relates to an intelligent household control system, and particularly to an intelligent household control system based on ZigBee and cloud computing. A main structure includes an information acquisition and equipment control module, a ZigBee wireless sensing network, a household intelligent gateway, an RFID device, a cloud server, and a mobile terminal device, the information acquisition and equipment control module includes an environment information acquisition sensor and a household equipment controller, a ZigBee coordinator node, a ZigBee router node, and a ZigBee terminal node form a ZigBee three-level tree-shaped wireless sensing network to form an intelligent household network frame. The ZigBee network performs the intelligent regulation and control on the household equipment, the user data is stored and processed via the cloud server, the users' behavior habit is deeply tapped, so that a household control scheme based on the users' behavior habit is generated, the indoor wireless signal radiation maintains at a low level, the main structure is simple, the design conception is ingenious, the application environment is friendly, and the market prospect is wide.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Wireless-network-based water gate security monitoring system

The invention discloses a wireless-network-based water gate security monitoring system, belonging to the field of security monitoring of water transport engineering. The wireless-network-based water gate security monitoring system comprises a data acquisition system, a data transmission system and a remote monitoring scheduling system, wherein the data acquisition system comprises a parameter acquisition node, a video acquisition node, a route node and a coordinator node, and the remote monitoring scheduling system comprises a database server system and a monitoring scheduling center. According to the invention, a wireless acquisition technology and a wireless transmission technology are adopted to carry out acquisition, transmission, processing, display, control and other operation on environment parameters, structural parameters and video data of a water gate, and a gate is opened and closed according to an operating instruction. According to the invention, a wireless sensor network technology, a third generation wireless communication technology and a video monitoring technology are applied to water gate management, all the operations from information acquisition, transmission and storage to information processing are carried out in digital information image forms, and thus, the efficiency and the security in water gate management are greatly increased.
Owner:HOHAI UNIV

Working method for satellite communication system based on single channel per carrier time division multiple access

The invention relates to a working method for a satellite communication system based on single channel single carrier time division multiple access, which comprises the following operating steps: (1) when a satellite communication network is established initially, all ground base stations compete for a temporary centre base station which acquires the information of the ground base stations of thenetwork in a mode of calling the name, and when calling the name, all the ground base stations adopt a competition mode to finish the response of calling the name; (2) the temporary centre base station elects the optimal centre base station of the current network according to the information of all the ground base stations in the network; (3) the temporary centre base station delivers controllingright and the information of the ground base stations to the centre base station at the same time; and (4) the centre base station manages the space-time link resources of the whole satellite network, and controls the network to operate normally as follows: the centre base station firstly distributes TDMA frame slot time, and performs the respective keep-alive control together with the common ground base station; and the centre base station also comprises all the controlling operations such as the distribution of data slot time, the addition of new ground base station and the departure of theground base station.
Owner:SHENZHEN TINNO WIRELESS TECH

Design method for multi-target cooperative sampling scheme of randomly-distributed geographic elements

The invention relates to a design method for a multi-target cooperative sampling scheme of randomly-distributed geographic elements, which includes the steps: 1 selecting multiple geographic elements with random distribution characteristics as sampling targets, and acquiring pre-sampling sample point data of the targets; 2 exploring spatial variation structures of the pre-sampling data by an ordinary Kriging method, fitting and generating a theory semi-variable function of each target, and obtaining a spatial distribution integral of all the targets by a Gaussian sequential random simulation method according to the theory semi-variable functions and the pre-sampling sample point data in the step 1; 3 computing the minimum cooperative sample size according to the precision requirements of the targets and prior variance, and setting a cooperative particle swarm optimization parameter; and 4 optimizing a current pre-sampling sample point scheme by means of cooperative particle swarm optimization, so that the multi-target cooperative sampling scheme is obtained. By the aid of the method, on-site sampling cost can be saved, self-organization and optimization during distribution of thesampling sample points are improved, and the design efficiency of the multi-target cooperative sampling scheme of the geographic elements is enhanced.
Owner:WUHAN UNIV

Photovoltaic grid-connected inverter and control method thereof

The invention discloses a photovoltaic grid-connected inverter and a control method of the photovoltaic grid-connected inverter. The photovoltaic grid-connected inverter comprises a maximum power point tracking module, a power switch tube object, an equivalent filter, a phase-locked loop, an electric grid disturbance measurement module, a current transducer, a voltage transducer and a BP (Back Propagation) nerve network control module, wherein the output end of the voltage transducer is connected to the input end of the phase-locked loop; the BP nerve network control module is respectively connected with the output end of the maximum power point tracking module and the phase-locked loop, the output end of the electric grid disturbance measurement module and the output end of the current transducer, which are used as three input ends of the BP nerve network control module; the output end of the BP nerve network control module is connected with the input end of the power switch tube object; and the output end of the power switch tube object is connected with the input end of the equivalent filter. The photovoltaic grid-connected inverter is higher in intelligent and output precision and is capable of adapting various electric grid environments and improving the stability and the reliability of a photovoltaic grid-connected power generation system.
Owner:GUANGXI NORMAL UNIV

Distributed transient electromagnetic data acquisition system based on wireless sensor network

The invention relates to a distributed transient electromagnetic data acquisition system based on a wireless sensor network. The distributed transient electromagnetic data acquisition system is composed of an industrial personal computer, a coordinator, a plurality of router nodes, a plurality of terminal acquisition nodes and the wireless sensor network serving as a basic network, wherein the router nodes and the terminal acquisition nodes are distributed flexibly. The industrial personal computer is connected with the coordinator through a USB, and the terminal acquisition nodes, the router nodes and all nodes of the coordinator are in wireless connection with one another; the terminal acquisition nodes are used for completing acquisition and uploading of transient electromagnetic data; the router nodes are used for completing the router addressing and data forwarding function; the coordinator is used for completing storage, display and USB communication of the acquired data; the industrial personal computer is used for controlling the acquisition process of each node, displaying the data, and completing calculation of obtained data exploration parameters. The distributed transient electromagnetic data acquisition system has high exploration accuracy, connection wires between the nodes are omitted, field operation is convenient, work efficiency is improved, modular design is adopted for the nodes, and maintenance and replacement are convenient.
Owner:武汉旗云高科工程技术有限公司

Soft-measuring method for density in concentration process of salvia miltiorrhiza injection production

The invention provides a soft-measuring method for density in concentrating process of salvia miltiorrhiza injection production, comprising the following steps: gathering the historical data of each sensor and densimeter in the concentration process of salvia miltiorrhiza, wherein the history data relate to concentrated solution density value and sensor data gathered on line in production process;selecting easily obtained procedure variables including gas phase temperature, liquid phase temperature, pressure and concentrated solution liquid level that have higher degree of correlation with density from each sensor data, and screening representative dataset; using a multivariate analysis method for building a soft-measuring model of density; and gathering the procedure variables on line, and using the soft-measuring model of density to carry out real-time estimation to control the concentration process. Aiming at the problem that the density in the concentration process of salvia miltiorrhiza injection production is difficultly monitored in real time, the invention provides a fast density soft-measuring method with high precision, which makes full use of the history data obtained by each sensor from the production process, and is beneficial to improvement of quality control on salvia miltiorrhiza injection production.
Owner:ZHEJIANG UNIV

Urban gas pipe network leakage detecting system and method based on centerless ad-hoc network

The invention discloses an urban gas pipe network leakage detecting system based on a centerless ad-hoc network, and relates to the technical field of leakage detection. A gas leakage detecting component is connected with intelligent control nodes. A mobile terminal is connected with the intelligent control nodes. The gas leakage detecting component is arranged above a gas pipeline and is closelyadjacent to the gas pipeline, and the two ends of the gas leakage detecting component extend to the positions of a station, pressure adjusting stations (boxes) and a gate well to be disconnected. Theintelligent control nodes are arranged at the positions of the station, the pressure adjusting stations or the pressure adjusting boxes and the gate well. The mobile terminal achieves human-machine interaction. A valve electric executing device is used for controlling opening and closing of an electromagnetic valve. According to an urban gas pipe network leakage detecting method based on the centerless ad-hoc network, a whole is divided into a plurality of areas, the centerless network is formed, and on the basis of the wavelet analysis and approximate entropy and correlation analysis combination method, detection is conducted. The urban gas pipe network leakage detecting system and method have the beneficial effects that when accidents happen, the fault position information can be rapidlyprepared and calculated according to correlation of gas leakage conveying detection components, and emergency measures are triggered.
Owner:ANHUI UNIVERSITY OF ARCHITECTURE

Collecting and transmission method for hierarchical nested data of wireless optical fiber sensor networks

The invention relates to a collecting and transmission method for real-time hierarchical nested data of wireless optical fiber sensor networks. The method includes: using central control nodes, routing nodes, control nodes to form a top network in the wireless optical fiber sensor networks, adopting a multi-hop poll mechanism during a top poll period, using the routing nodes and part of the control nodes to implement routing function so as to realize remote multi-hop transmission of control information and sensor data; using the control nodes and wireless optical fiber sensor nodes to form a bottom network, adopting a bisynchronous dynamic time-division multiplexing mechanism during a bottom data collecting and transmission period so as to realize distributed synchronous collecting and transmission of the same hot spots monitoring quantity; and nesting the bottom data collecting and transmission period in the top poll period. The wireless optical fiber sensor networks is low in power consumption, widespread, real-time and the like, and is applicable to known monitoring fields of multiple application environments such as oil depot tank groups, power systems, mine tunnels, greenhouse granaries and the like.
Owner:SHANGHAI UNIV

Failure monitoring and self-healing method for multi-agent combustion gas pipeline based on immune learning

The invention discloses a failure monitoring and self-healing method for a multi-agent combustion gas pipeline based on immune learning. The method comprises following steps: creating a multi-agent system used for monitoring faults of the combustion gas pipeline and self-healing, wherein the multi-agent system contains data collection Agent, immunity Agent, communication Agent, management Agent, assessment Agent and execution Agent; obtaining and analyzing field data of the combustion gas pipeline, utilizing independent component analysis, correlation coefficient and other methods for feature extraction, adopting an immune algorithm to obtain a primary self-healing scheme set, comprehensively analyzing each primary self-healing scheme, selecting the best self-healing scheme according to the size of the comprehensive index and self-restoring failure of the combustion gas pipeline. The failure monitoring and self-healing method for the multi-agent combustion gas pipeline based on immune learning has following beneficial effects: advantages such as openness, transplantability, intelligence, reliability and flexibility are obtained; the self-organization capability, the learning capability and the deduction capability are achieved; and the higher flexibility and robustness are obtained.
Owner:HOHAI UNIV CHANGZHOU
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