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Traffic information acquiring, controlling and managing system based on network

A traffic information collection, control and management technology, applied in traffic control systems, road vehicle traffic control systems, store-and-forward switching systems, etc., can solve the problems of limited Ethernet transmission distance, inability to realize serial transmission, and high price, and achieve The effect of guaranteeing the transmission quality

Inactive Publication Date: 2003-01-15
顾士平
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AI Technical Summary

Problems solved by technology

[0003] The current traffic information collection and control system is still unable to realize the collection, management and control of traffic information on the whole road.
Because the transmission distance of Ethernet is limited, twisted pair Ethernet can only transmit 500 meters, optical fiber Ethernet can only transmit 20 kilometers, and cannot realize traffic information collection and traffic control of the whole road; ATM (Asynchronous Transfer Mode) optical fiber network can realize data Long-distance transmission, but because the ATM switch is expensive and cannot realize the serial transmission of one acquisition module after another, it is not only expensive but also inconvenient to install in the transportation system

Method used

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  • Traffic information acquiring, controlling and managing system based on network
  • Traffic information acquiring, controlling and managing system based on network
  • Traffic information acquiring, controlling and managing system based on network

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Embodiment Construction

[0024] The "new network-based traffic information collection and transmission management system" of the present invention consists of part processes such as an information collection control module and a network center.

[0025] figure 1 The traffic network structure is a linear structure: 11 is the information collection control module; 12 is the network center, which processes the data collected by the information collection control module to realize the monitoring, control and traffic guidance of highway information. figure 1 It is a linear structure, and can be networked arbitrarily to monitor and control the traffic of a line structure such as expressways and railways.

[0026] figure 2 The traffic network structure is a ring structure: 21 is an information collection control module; 22 is a network center. figure 2 It is a ring structure, suitable for networking of urban traffic monitoring. The ring structure and linear structure are combined to form various network...

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Abstract

A traffic information acquisition, transmission and management system based on novel Gu's network which is a linear network using two optical cables to serially connect several traffic information acquiring and controlling devices is disclosed. It can perform vehicle image acquisition, information transmission, value-added service, traffic control, automatic toll without stop, and vehicle tracking.

Description

[0001] 1. Field [0002] The present invention "traffic information collection and transmission management system based on a new network" involves the use of a new network to realize information collection, information transmission, value-added services, traffic control, traffic management and traffic guidance of the traffic information system. Improve the level of traffic management and give full play to the efficiency of traffic facilities and vehicles. 2. Background technology [0003] The current traffic information collection and control system is still unable to realize the collection, management and control of traffic information on the whole road. Because the transmission distance of Ethernet is limited, twisted pair Ethernet can only transmit 500 meters, optical fiber Ethernet can only transmit 20 kilometers, and cannot realize traffic information collection and traffic control of the whole road; ATM (Asynchronous Transfer Mode) optical fiber network can realize data ...

Claims

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Application Information

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IPC IPC(8): G07B15/06G08G1/00H04L47/80
Inventor 顾士平杨伟王惠宾
Owner 顾士平
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