CN1758294A - Multi-mode radio data collecting and intelligent mixing system - Google Patents
Multi-mode radio data collecting and intelligent mixing system Download PDFInfo
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- CN1758294A CN1758294A CNA2005100368404A CN200510036840A CN1758294A CN 1758294 A CN1758294 A CN 1758294A CN A2005100368404 A CNA2005100368404 A CN A2005100368404A CN 200510036840 A CN200510036840 A CN 200510036840A CN 1758294 A CN1758294 A CN 1758294A
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Abstract
This invention discloses a multi-mode radio data collection and an intelligent combination system, which applies the blue tooth communication, IEEE802.11b and nRF2401 radio communication technology to collect and transmit radio data and the three kinds of radio communication technologies have the adaptive hop property to increase the ability of anti-interference, besides, the system can combine data from different sensors intelligently and accurately by applying the data combination algorithm based on NN integration and clustering analysis.
Description
Technical field
The present invention relates to a kind of data acquisition, transmission and Intelligent Fusion technology, particularly a kind of multi-mode radio data collecting and intelligent mixing system.
Background technology
Wire transmission or single wireless transmission mode are adopted in traditional sensing network data acquisition mostly, function singleness and universal performance are poor, need concentrate the equipment of a plurality of simple functions to form a bulky operating system when realizing multifunctional data acquiring, be unfavorable for installation, debugging and the maintenance of system, the reliability of system is difficult to be guaranteed; And working frequency range wired or the single wireless transmission mode is subject to the interference of other radiowaves, and stability is poor, thereby causes the inaccurate of data acquisition, transmission etc.; The data acquisition of simple function and transmission are owing to can not carry out Intelligent Fusion to data in addition, and the final precision of data acquisition can not get guaranteeing.
Summary of the invention
At the problems referred to above, the invention provides flexible with transmission, accurate, reliable multi-mode radio data collecting of a kind of data acquisition and intelligent mixing system.
The technical solution adopted for the present invention to solve the technical problems is: a kind of multi-mode radio data collecting and intelligent mixing system, comprise main frame, slave two large divisions, it is characterized in that host machine part comprises: microprocessor unit, external data memory, wireless communication module and corresponding interface circuit; Slave partly comprises: microprocessor unit, wireless communication module and corresponding interface circuit, serial communication interface circuit, sensor and corresponding signal processing circuit thereof, logic control and interface, external memory storage, serial communication interface and expansion interface.The sensor groups that sensor and corresponding signal processing circuit thereof are formed with sensor acquisition to physical quantity convert digital signal to, by one or more wireless communications modes among Bluetooth communication, IEEE802.11b and the nRF2401 data are sent to microprocessor unit again; Microprocessor unit carries out received data to deposit external data memory in after Intelligent Fusion is handled.
The invention has the beneficial effects as follows: because native system adopts Bluetooth communication, IEEE802.11b and nRF2401 one or more wireless communications modes wherein in the short-distance wireless communication technology, total system is easy to form radio sensing network more, can carry out data acquisition and transmission flexible, accurate and effective and at low cost, the above-mentioned three kinds of wireless communication technologys that are operated in the 2.4GHz ISM band simultaneously have the adaptive frequency hopping performance, have finally improved the antijamming capability of data acquisition system (DAS); In addition,, can carry out Intelligent Fusion to the data that derive from different sensors easily and accurately, obtain higher data acquisition precision owing in the Intelligent Fusion technology, adopted integrated and data anastomosing algorithm DFA-NNECA cluster analysis based on neural network.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples:
Fig. 1 is the principle of work block diagram of patent of the present invention
Fig. 2 is the interface synoptic diagram of nRF2401 transmission circuit of the present invention and MCU
Fig. 3 is nRF2401 control circuit figure of the present invention
Fig. 4 is bluetooth of the present invention and IEEE802.11b driving interface circuit diagram
Fig. 5 is a DFA-NNECA algorithm flow block diagram of the present invention.
Embodiment
With reference to Fig. 1, Fig. 2, Fig. 3, a kind of multi-mode radio data collecting and intelligent mixing system comprise main frame, slave two large divisions, and host machine part comprises: microprocessor unit, external data memory, wireless communication module and corresponding interface circuit; Slave partly comprises: microprocessor unit, wireless communication module and corresponding interface circuit, serial communication interface circuit, sensor and corresponding signal processing circuit thereof, logic control and interface, external memory storage, serial communication interface and expansion interface.The sensor groups that sensor and corresponding signal processing circuit thereof are formed with sensor acquisition to physical quantity convert digital signal to, by one or more wireless communication modules among Bluetooth communication, IEEE802.11b and the nRF2401 data are sent to microprocessor unit respectively again; Microprocessor unit carries out received data to deposit external data memory in after Intelligent Fusion is handled.Because Bluetooth communication, IEEE802.11b and nRF2401 in the native system employing short-distance wireless communication technology be one or more wireless communications modes wherein, total system is easy to form radio sensing network more, can carry out data acquisition and transmission flexible, accurate and effective and at low cost, the above-mentioned three kinds of wireless communication technologys that are operated in the 2.4GHz ISM band simultaneously have the adaptive frequency hopping performance, have finally improved the antijamming capability of data acquisition system (DAS); In addition, owing in the Intelligent Fusion technology, adopted integrated and data anastomosing algorithm DFA-NNECA (Data Fusion Algorithm based on NeuralNetworks Ensemble and Clustering Analysis) cluster analysis based on neural network, can carry out Intelligent Fusion to the data that derive from different sensors easily and accurately, obtain higher data acquisition precision.
With reference to Fig. 3, be the interface circuit figure between nRF2401 and the MCU in the patent of the present invention.Entire circuit is divided into following components:
1) microprocessing unit part: form the main body circuit of data acquisition by peripheral circuits such as chip microprocessor AT89C51 and sensor groups thereof, be responsible for acquired signal, transmission data or the like.
2) nRF2401 interface section: by plug connector J
2With the J in the accompanying drawing 2
2Connect.
3) serial communication interface circuit: serial communication interface circuit is made up of MAX232 and peripheral circuit thereof.It can adopt the COM2/COM1 of direct-connected mode and PC to communicate (wire communication), realizes bidirectional data exchange.The baud rate of serial port is set to 2400bps, the band even parity check, and data bit is 8.
4) sensor circuit part: sensor circuit is used to connect some kinds of external sensors, surveys corresponding physical quantity.
5) power unit: for complete machine provides D.C. regulated power supply.
With reference to Fig. 4, be nRF2401 micro-control circuit figure of the present invention, entire circuit is divided into following components:
1) microcontroller part: the main body circuit of forming control circuit by chip microprocessor AT89C52 and peripheral circuit thereof.Be responsible for the control of logic control circuit, serial communication interface circuit and expansion of parallel interface or the like.
2) logic control and interface section: be used to link IEEE802.11b equipment, external connection keyboard, LCD display or the like, accept chip microprocessor AT89C52 control simultaneously.
3) serial storage part: adopt I
2The C serial storage is used to store related data.
4) serial communication interface part: serial communication interface circuit can adopt the COM2/COM1 of direct-connected mode and PC to communicate (wire communication), realizes bidirectional data exchange, also can connect bluetooth communication, realizes radio communication with PC.
5) expansion interface part: can expand parallel interface when needing, or the I/O mouth of chip microprocessor AT89C52.
6) keyboard circuit part: the external connection keyboard of expansion.
7) power unit: for complete machine provides D.C. regulated power supply.
With reference to Fig. 5, it is the FB(flow block) of DFA-NNECA algorithm, the present invention proposes and is applied in the data fusion of multisensor, this algorithm has organically merged neural network integrated technology and clustering method, and whole algorithm is divided into the data fusion process of integrated training process of neural network and sensor.
At training process, the historical information of neural network integrated utilization sensor is trained each somatic nerves network in integrated, makes each neural network obtain the weights that match with historical data.
Data fusion process can be divided into three phases again:
1) each sensor is respectively to signal source, and promptly research object is carried out data acquisition, and the data that collect enter the information bank of sensor after signal Processing;
2) neural network each somatic nerves network in integrated takes out needed data message from the sensor information storehouse, and it is carried out calculation process, obtains output separately;
3) cluster algorithm is carried out cluster analysis to the output of each somatic nerves network, obtains net result, i.e. the residing state of signal source, and this stage is according to following three steps operation
3.1) find out a small amount of output valve away from most of output valve, it is considered as wild point data and gives up to fall;
3.2) determine the pairing weight of normal output valve;
3.3) normal output valve is weighted average treatment, obtain net result.
With reference to Fig. 1, multi-mode radio data collecting of the present invention and intelligent mixing system can also carry out network with data transmission network and be connected, and realize the data network transmission.
Claims (4)
1, a kind of multi-mode radio data collecting and intelligent mixing system comprise main frame, slave two large divisions, it is characterized in that host machine part comprises: microprocessor unit, external data memory, wireless communication module and corresponding interface circuit; Slave partly comprises: microprocessor unit, wireless communication module and corresponding interface circuit, serial communication interface circuit, sensor and corresponding signal processing circuit thereof, logic control and interface, external memory storage, serial communication interface and expansion interface.The sensor groups that sensor and corresponding signal processing circuit thereof are formed with sensor acquisition to physical quantity convert digital signal to, by wireless communication module data are sent to microprocessor unit again; Microprocessor unit deposits external data memory in after the data-signal of being gathered is carried out the Intelligent Fusion processing.
2, multi-mode radio data collecting according to claim 1 and intelligent mixing system is characterized in that the wireless communication module of native system has adopted wherein one or more short-distance wireless communication technologies of Bluetooth communication, IEEE802.11b and nRF2401.
3, multi-mode radio data collecting according to claim 1 and intelligent mixing system is characterized in that native system Intelligent Fusion technology has adopted integrated based on neural network and data anastomosing algorithm DFA-NNECA cluster analysis.
4, multi-mode radio data collecting according to claim 1 and intelligent mixing system is characterized in that native system also links to each other with data transmission network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100368404A CN1758294A (en) | 2005-08-26 | 2005-08-26 | Multi-mode radio data collecting and intelligent mixing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100368404A CN1758294A (en) | 2005-08-26 | 2005-08-26 | Multi-mode radio data collecting and intelligent mixing system |
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| CN1758294A true CN1758294A (en) | 2006-04-12 |
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| CNA2005100368404A Pending CN1758294A (en) | 2005-08-26 | 2005-08-26 | Multi-mode radio data collecting and intelligent mixing system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010025680A1 (en) * | 2008-09-05 | 2010-03-11 | 华为技术有限公司 | Data transmission method, network device and communication system |
| CN102035878A (en) * | 2010-10-29 | 2011-04-27 | 江苏瑞蚨通软件科技有限公司（中外合资） | Rapid turnout deployment monitoring system |
| CN102419896A (en) * | 2011-08-17 | 2012-04-18 | 南京护鹰电子科技有限公司 | Theft-proof and anti-erroneous-taking alarm networking system and method |
| CN103780320A (en) * | 2014-01-23 | 2014-05-07 | 重庆邮电大学 | Multi-band data detector based on FPGA |
| CN104683066A (en) * | 2015-02-10 | 2015-06-03 | 上海虎符通信科技股份有限公司 | Anti-mutual interference method of multimode gateway |
| CN110987114A (en) * | 2019-11-25 | 2020-04-10 | 徐州志欧机电设备有限公司 | Water level monitoring system |
-
2005
- 2005-08-26 CN CNA2005100368404A patent/CN1758294A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010025680A1 (en) * | 2008-09-05 | 2010-03-11 | 华为技术有限公司 | Data transmission method, network device and communication system |
| US8335244B2 (en) | 2008-09-05 | 2012-12-18 | Huawei Technologies Co., Ltd. | Data transmission method, network device, and communication system |
| CN102035878A (en) * | 2010-10-29 | 2011-04-27 | 江苏瑞蚨通软件科技有限公司（中外合资） | Rapid turnout deployment monitoring system |
| CN102419896A (en) * | 2011-08-17 | 2012-04-18 | 南京护鹰电子科技有限公司 | Theft-proof and anti-erroneous-taking alarm networking system and method |
| CN103780320A (en) * | 2014-01-23 | 2014-05-07 | 重庆邮电大学 | Multi-band data detector based on FPGA |
| CN104683066A (en) * | 2015-02-10 | 2015-06-03 | 上海虎符通信科技股份有限公司 | Anti-mutual interference method of multimode gateway |
| CN104683066B (en) * | 2015-02-10 | 2019-01-22 | 虎符智能科技股份有限公司 | The anti-mutual interference method of multimode gateway |
| CN110987114A (en) * | 2019-11-25 | 2020-04-10 | 徐州志欧机电设备有限公司 | Water level monitoring system |
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