CN202838377U - Indoor person positioning and tracking system - Google Patents
Indoor person positioning and tracking system Download PDFInfo
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- CN202838377U CN202838377U CN 201220551673 CN201220551673U CN202838377U CN 202838377 U CN202838377 U CN 202838377U CN 201220551673 CN201220551673 CN 201220551673 CN 201220551673 U CN201220551673 U CN 201220551673U CN 202838377 U CN202838377 U CN 202838377U
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Abstract
The utility model provides an indoor person positioning and tracking system which comprises a positioning tag, a primary sensor, a first secondary sensor, a second secondary sensor, a third secondary sensor, a network switch, a positioning engine module, a positioning video machine, an intelligent video processor and a visual management module. An output end of the positioning video machine is connected with an input end of the intelligent video processor, an output end of the intelligent video processor is connected with an input end of the network switch, and an output end of the positioning engine module is connected with an input end of the visual management module. The indoor person positioning and tracking system has the advantages that a multi-sensor fusion positioning and tracking technology is adopted, and the UWB (ultra-wide bandwidth) sensors are combined with the positioning video machine, so that problems of poor indoor positioning precision, narrow positioning range and low interference resistance are solved.
Description
Technical field
The utility model relates to a kind of system that personnel is positioned tracking, particularly a kind of indoor occupant locating and tracking system.
Background technology
At present, the indoor occupant locating and tracking system comprises positioning label, alignment sensor, the network switch and engine of positioning module.Alignment sensor gathers the label information of positioning unit and label information is sent to the engine of positioning module by the network switch.
The shortcoming of this indoor occupant locating and tracking system is:
(1) bearing accuracy is poor.Most of positioning systems all exist indoor position accuracy inadequate.Generally be merely able to reach 3 meters precision by the RSSI location model, even by trigger, also can only reach 1.5 meters, the requirement that does not reach indoor accurate position far away.
(2) coverage is little.Because the decay of signal and the complexity of communication environments in the radio propagation process, all location models all must satisfy certain orientation range.After surpassing orientation range, model error can increase, and precision seriously is affected.
(3) a little less than the antijamming capability.Because the relatively narrow and small and sealing of indoor environment, wireless signal can't be realized the direct transmission in the sighting distance in a lot of situations, wall, baffle plate, floor are very large to the propagation effect of wireless channel, and the noise of other electric equipment also can affect the propagation of wireless signal, so-called non line of sight error that Here it is.
The utility model content
The purpose of this utility model is to provide a kind of indoor occupant locating and tracking system, solves the problem that bearing accuracy is poor, coverage is little, antijamming capability is weak.
A kind of indoor occupant locating and tracking system, comprise positioning label, master reference, first from sensor, second from sensor, the 3rd from sensor, the network switch, the engine of positioning module, the output terminal of the described network switch is connected with the input end of described engine of positioning module, the input end of the network switch respectively with described master reference, first from sensor, second from sensor, the 3rd output terminal from sensor connects, first from sensor, second from sensor, the 3rd time synchronized output terminal from sensor is connected with the time synchronized input end of master reference respectively, master reference, first from sensor, second from sensor, the 3rd is connected by the radio-frequency (RF) receiving and transmission module radio communication with described positioning label respectively from sensor, it is characterized in that: also comprise the positioning video device, the intelligent video processor, the visualized management module, the output terminal of described positioning video device is connected with the input end of described intelligent video processor, the output terminal of described intelligent video processor is connected with the input end of the described network switch, and the output terminal of described engine of positioning module is connected with the input end of described visualized management module.
The utility model adopts Multi-sensor Fusion location tracking technique, in conjunction with UWB alignment sensor and positioning video device, has solved the problem that indoor position accuracy is poor, orientation range is little, anti-interference energy is weak.
Description of drawings
Fig. 1 is that system of the present utility model forms schematic diagram.
Embodiment
As shown in Figure 1, the utility model comprises positioning label 1, master reference 2, first from sensor 3, second from sensor 4, the 3rd from sensor 5, the network switch 6, engine of positioning module 7, the output terminal of the network switch 6 is connected with the input end of described engine of positioning module 7, the input end of the network switch 6 respectively with master reference 2, first from sensor 3, second from sensor 4, the 3rd output terminal from sensor 5 connects, first from sensor, second from sensor, the 3rd time synchronized output terminal from sensor is connected master reference with the time synchronized input end of master reference respectively, first from sensor, second from sensor, the 3rd is connected by the radio-frequency (RF) receiving and transmission module radio communication with described positioning label 1 respectively from sensor.The utility model also comprises positioning video device 8, intelligent video processor 9, visualized management module 10, the output terminal of described positioning video device is connected with the input end of described intelligent video processor, the output terminal of described intelligent video processor is connected with the input end of the described network switch, and the output terminal of described engine of positioning module is connected with the input end of described visualized management module.
The engine of positioning module can adopt common microprocessor to serve as, and its function is to realize access, the parsing of data, the unification of data layout and the transmission of data of multiple sensors locator data; Realize the pre-service of locator data, the locator data of the dissimilar sensor of access is carried out filtering process, remove wild value; Realize the location fusion treatment, receive the locator data of different sensors, by Data Fusion, calculate accurate location; Resolving of realize target kinetic characteristic by the real-time position information of target, calculated the speed of target, the movement locus of match target, the time that target of prediction arrives the specific region.
Positioning label can adopt the RFID radio-frequency (RF) tag, automatically identifies destination object and obtains related data by radiofrequency signal.
Each sensor can adopt rfid interrogator, generally is comprised of antenna, radio-frequency (RF) receiving and transmission module, signal processing unit, control module and interface circuit.Wherein master reference receives from first from sensor, second from sensor, the 3rd time synchronization information from sensor, carries out the time synchronized of the sensor.Master reference and first receives deflection and the elevation angle of UWB signal that positioning label send from sensor, the 3rd from sensor from sensor, second, and mistiming and the angle that will receive positioning label send to the network switch, the network switch sends to the engine of positioning module with locating information, and the engine of positioning module is carried out location compute.
The positioning video device is the video capture devices such as video camera (head), its video data is sent to the intelligent video processor, the intelligent video processor can adopt common microprocessor to serve as, the video data that receives is carried out target detection, the intelligent video processor sends to the engine of positioning module with target information and the associated video data that detect, UWB locating information and video localization information fusion that the engine of positioning module is sent in conjunction with each sensor are processed, in the zone that the positioning video device covers, preferentially select the video location to follow the tracks of; In the zone that the positioning video device can't cover, select the UWB location to follow the tracks of.At borderline region, positioning video device, master reference, first simultaneously detect the appearance of fresh target from sensor, the 3rd from sensor from sensor, second, when the positional information of target, characteristic information coupling, finish the handing-over of target.Information after the engine of positioning module will be processed sends to the visualized management module.
The visualized management module is integrated management and the display device of indoor occupant locating and tracking system, can adopt ordinary PC and display, shows two-dimensional map, personnel's positioning track, the state of equipment, warning message, the positioning video of locating area.Simultaneously, can in time the survive processing scheme of warning message.
Claims (1)
1. indoor occupant locating and tracking system, comprise positioning label, master reference, first from sensor, second from sensor, the 3rd from sensor, the network switch, the engine of positioning module, the output terminal of the described network switch is connected with the input end of described engine of positioning module, the input end of the network switch respectively with described master reference, first from sensor, second from sensor, the 3rd output terminal from sensor connects, first from sensor, second from sensor, the 3rd time synchronized output terminal from sensor is connected with the time synchronized input end of master reference respectively, master reference, first from sensor, second from sensor, the 3rd is connected by the radio-frequency (RF) receiving and transmission module radio communication with described positioning label respectively from sensor, it is characterized in that: also comprise the positioning video device, the intelligent video processor, the visualized management module, the output terminal of described positioning video device is connected with the input end of described intelligent video processor, the output terminal of described intelligent video processor is connected with the input end of the described network switch, and the output terminal of described engine of positioning module is connected with the input end of described visualized management module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220551673 CN202838377U (en) | 2012-10-26 | 2012-10-26 | Indoor person positioning and tracking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220551673 CN202838377U (en) | 2012-10-26 | 2012-10-26 | Indoor person positioning and tracking system |
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| Publication Number | Publication Date |
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| CN202838377U true CN202838377U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220551673 Expired - Lifetime CN202838377U (en) | 2012-10-26 | 2012-10-26 | Indoor person positioning and tracking system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105373141A (en) * | 2014-12-29 | 2016-03-02 | 梁步阁 | UWB autonomous positioning system for rescue in fire scene |
| EP3410062A4 (en) * | 2016-10-31 | 2019-03-06 | Ninebot Beijing Tech. Co., Ltd | Target tracking method, target tracking apparatus, and storage medium |
-
2012
- 2012-10-26 CN CN 201220551673 patent/CN202838377U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105373141A (en) * | 2014-12-29 | 2016-03-02 | 梁步阁 | UWB autonomous positioning system for rescue in fire scene |
| CN105373141B (en) * | 2014-12-29 | 2018-07-13 | 梁步阁 | UWB freedom positioning systems for fire scene rescue |
| EP3410062A4 (en) * | 2016-10-31 | 2019-03-06 | Ninebot Beijing Tech. Co., Ltd | Target tracking method, target tracking apparatus, and storage medium |
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Granted publication date: 20130327 |
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| CX01 | Expiry of patent term |