Design of Tourist Positioning System of Digital Scenic based on RFID technology
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In this paper, the design of personnel Positioning and facilities Status real-time Monitoring System (PSM System) based on Radio Frequency Identification (RFID) technology is illustrated, along with the realization of development and design of Tourist Positioning System of Digital Scenic. RFID technology is a non-contact automatic identification technology, whose basic principle is to use radio frequency signal and the spatial coupling, transmission characteristics, to achieve automatically identification of static or moving people or commodities.The construction of Digital Scenic is the innovation and integration of information technology development and scenic management. Tourist Positioning System can lead the administrators of scenic to control real-time dynamic of tourists, then to give tourists better serve and to ensure the safety of each tourist. PSM system is integrated application system that can realize all functional requirements of Tourist Positioning System, including security control, personnel attendance, tracking and positioning, facilities status monitoring, daily management etc.Keywords:
Identification
Positioning technology
With the data services and multimedia services rapidly increasing,the demand for positioning and navigation are also increasing.But a perfect positioning technology is still not used,because of the positioning time,positioning accuracy and the complex environment conditions.To address these issues,the features and issues pertinent to several current typical positioning technology were analyzed.Finally,an active RFID location system was proposed,which is based on RFID technology.Analysis shows that this system has hige positioning accuracy,strong anti-jamming capability,wide positioning range and fits for the scenario when the tags number is large.
Hybrid positioning system
Positioning technology
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Navigation and positioning is a new growth point of wireless services. And seamless positioning is the current development trend of navigation and positioning services. In view of the problems that dynamic handover cannot be performed during site movement, STA only selects the optimal AP according to the indication of received signal strength, and the handover delay is too long. This paper proposes a research on indoor and outdoor seamless positioning technology based on artificial intelligence and intelligent switching algorithm. The purpose is to study the influence of reducing the positioning data with too large error on the final positioning result. The method of this paper is to propose an intelligent switching algorithm and then discuss the research status and development direction of indoor positioning technology and outdoor positioning technology, respectively, and point out the switching methods between them. The role of these methods is to analyze the current situation of indoor and outdoor navigation technology, especially the development route of seamless positioning technology. It determines the strategy of integrating heterogeneous positioning systems to build a seamless positioning system to maximize the use of existing positioning system resources. This paper studies the design and implementation of the seamless positioning system through the simulation experiment of the intelligent switching algorithm and finally tests the system through the experimental vehicle. The online experiment results show that the system can achieve high positioning accuracy in indoor and outdoor environments, especially at its junction, and the positioning errors in all directions are within 0.2 m.
Hybrid positioning system
Positioning technology
Indoor positioning system
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The technology of personnel positioning in coal mine has important practical significance for coal mine safety production and information management. In this paper, the characteristics of the underground personnel positioning system in coal mine and the judging basis of the positioning system are summarized, and the advantages of UWB positioning technology are put forward by comparing the technical features of wireless communication technologies such as Wifi, Zigbee, WSN, RFID and UWB. Based on the analysis of the difficulties and influencing factors of personnel positioning technology in coal mine, the development status of UWB positioning technology in recent years and its application in personnel positioning in coal mine are summarized, this paper compares the technical characteristics of TOF, TOA and TDOA, three kinds of location methods commonly used in UWB location technology, and summarizes the technical status of the improvement and optimization of location algorithms in recent years, the purpose of this paper is to provide reference and direction for the development of personnel positioning technology and the application of UWB technology in coal mine.
Positioning technology
Hybrid positioning system
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In the positioning system, the effect of the cumulative error was happened which will result in inaccurate positioning if single technique was applied in the system. In this paper, multi-information fusion technology was used to realize the precise location in the positioning system. Firstly, the Wireless Local Area Networks technology was used to achieve a wide range of positioning. Then Radio Frequency Identification Devices technology was used to achieve small range positioning. Finally, the two technologies were combined to realize the precise location of the system. Experimental results show that the application of this technology is feasible.
Hybrid positioning system
Positioning technology
Sensor Fusion
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Most underground positioning systems can only provide regional positioning function and are unable to provide accurate real-time location information for personnels or equipments,a design scheme of underground precise positioning system based on CSS technology was proposed.The system uses SDS-TWR localization algorithm and positioning management protocol to get high positioning accuracy.Meanwhile,it doesn't need to do clock synchronization,which enhances realizability and stability of the system.The testing results show that the system realizes high-precision positioning for underground equipments and personnels,which positioning accuracy is less than 3 m and the farthest transmission distance is 350m.
Positioning technology
Precise Point Positioning
Hybrid positioning system
Realizability
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Abstract This article mainly discovers and studies a cooperative positioning technology which combines Beidou Navigation Satellite System (BDS) and Ultra Wide Band (UWB) technology. BDS is mainly used for precise positioning in outdoor environments, and UWB technology can be widely used for positioning in both indoor and outdoor environments. This article firstly proposes a combined positioning technology based on BDS and UWB positioning technology, and proposes appropriate technical schemes and solutions for outdoor, indoor and indoor-outdoor transition areas. After considering the actual situation of the substation project, a coordinate conversion method that can be applied in the actual engeerning project is proposed to realize the unification of different coordinate systems and meet the needs of seamless positioning of indoor and outdoor panoramic views of the substation project. Finally, the field test results proves the effectiveness of proposed method.
Positioning technology
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This paper analyzes that have been developed and are developing underground personnel positioning systems widely used in positioning technology,and analyzes the advantages of several positioning technology,each with different advantages of location technology,the need for different communication requirements to select the appropriate location technology.With the Zigbee-based wireless transmission technology,network nodes can be mobile,network quick and simple,low cost,easy to maintain characteristics of the network,and the bus together to accomplish a more superior position.
Positioning technology
Hybrid positioning system
Position (finance)
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With the development of industry and commerce, the demands for indoor positioning are increasing. Indoor positioning requires higher reliability, speed and accuracy of the positioning system. However, a single positioning system has its own advantages and disadvantages, which makes it difficult to meet the positioning requirements at the same time. Therefore, this paper proposes a fusion positioning technology that combines ultra-wideband UWB (Ultra-wide Bandwidth) positioning technology and inertial navigation technology using Kalman filter in the case of line of sight. Through the simulation experiment on matlab, by comparing fusion positioning technology with the single UWB positioning technology and the single inertial navigation technology, it is found that the fusion positioning technology improves the positioning accuracy, and meanwhile increases the stability of the system.
Positioning technology
Hybrid positioning system
Sensor Fusion
Precise Point Positioning
Indoor positioning system
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Directed at the problems of low positioning accuracy and irregular section forming of cutting heads of road header in coal mine production sites, a new cutting head positioning system based on ultra-wideband positioning technology is proposed based on the cutting head motion model and the working principle of ultra-wideband positioning technology, which verifies the anti-interference and the accuracy of its positioning. Combined with the simulation experiment under on-site working conditions, the influence degree of three typical influencing factors on positioning accuracy was obtained, and the accuracy optimization of the ultra-wideband positioning system was guided. Through the dynamic solution experiment, the positioning accuracy of the system is measured, and the results are verified based on the positioning system solution accuracy evaluation standard.
Positioning technology
Header
Hybrid positioning system
Wideband
Dynamic positioning
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