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1. System design principles
The BRT signal priority control intelligent management system consists of three parts:
First, the core hardware of the BRT signal priority control system (including: 2.4G active electronic tags, directionalReader)
Second, the BRT signal priority control system platform (including intersection control subsystem, signal communication subsystem, intelligent traffic control)
Third, hardware middleware (including signal controllers, industrial-grade switches, cabinets, PCs, servers, uninterruptible power supplies, etc.)
The core technology of the system construction adopts the standard 2.4G active microwave frequency band commonly used in the market. All the core equipment provided by the company has completely independent intellectual property rights, 2.4G micro-power technology, automatic identification of long-distance moving vehicles and non-contact information Collection and processing, thereby establishing a large-scale, all-round function, and real-time, accurate, and efficient traffic management system. To achieve the purpose of prioritizing public transport signals;
In the overall system architecture, service equipment selection, active electronic label function selection, basic data collection, etc., fully consider the realization of subsequent functions, taking into account the compatibility of equipment, system scalability, function scalability and application Diversity;
System development and resource construction conform to a unified technical specification and characterization system, pay attention to the continuity and sharing of development work, and pay attention to leaving standardized data and control interfaces for subsequent system development and promotion. Unified development of technical indicators such as application technology, data storage format, signal transmission system, and interconnection interface mode;
The development and construction of the system should combine the actual conditions of the traffic area, and further strengthen the management of the traffic on the basis of the existing system; follow the overall planning, construction while using, and gradually improve the construction ideas to give full play to the construction benefits;
Overall system diagram:
Features:
When the vehicle arrives at the intersection, the RFID reader reads the tag and obtains vehicle information; obtains the real-time scheduling status of the vehicle by interacting with the intelligent scheduling system, including whether it is late, whether it is express scheduling, and the full load rate, etc., and generates a request based on the real-time status of the vehicle; After that, the signal priority system submits a priority application to the traffic management department. The traffic management department system processes the request based on the original plan information and real-time scheduling information, and finally gives priority results; after the vehicle leaves the positioning area, the signal control system enters The signal state is restored to the state, until the signal state is restored, the signal priority scheduling process is completed;
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