Intelligent public transport is an important part of the city's intelligent transport. The system takes public transport big data as the core and is driven by business applications. Through the systematic study and in-depth analysis of public transport business applications, an intelligent public transport cloud platform architecture that meets the needs of business applications is formed; the system integrates and applies technologies such as satellite positioning technology, GIS electronic map technology, Internet of Things, cloud computing, artificial intelligence and big data, and use 4G wireless communication network as a bridge to realize the fusion and innovative application of public transport big data; intelligent capabilities that support infrastructure maintenance, public travel services, transport information release, efficient enterprise scheduling, effective industry supervision, and auxiliary decision-making support, etc. are enhanced. Intelligent public transport includes public transport information service system, public transport operation and maintenance system, auxiliary public transport service system, public transport industry supervision system and public transport intelligent dispatch system and other subsystems. These systems will optimize the public transport management mode, greatly improve the management level and operational efficiency of existing public transport companies, and enable enterprises to gradually complete the process from extensive management to intensive management, from experience management to scientific management, from qualitative management to quantitative management and from static management to dynamic management.

The overall solution of intelligent public transport mainly includes the construction of public transport big data resource center, the improvement of intelligent construction of public transport infrastructure, the improvement of intelligent transformation of buses, the improvement of information system construction and the construction of pilot demonstration projects and other related supporting construction.

Data collection layer mainly collects various relevant data required by the intelligent public transport system, including static data (bus data, bus station data, bus route data, etc.) and dynamic information data (vehicle GPS location data, vehicle OBD data, vehicle video data, etc.).

Network transmission layer is mainly responsible for transmitting the collected real-time data to the data center of the intelligent public transport system for utilization through the wireless network or the wired network.

Public transport data center mainly collects static data (such as companies, routes, stations, vehicles, drivers, etc.) and dynamic information (such as location, speed, operating status, video, electronic payment, violation records, etc.)related to public transport. It can be divided into business database, basic database and thematic database, including hardware facilities such as computer rooms and servers, as well as system management software and database software.

Platform support service is responsible for providing the necessary system basic function support for the upper application layer software operation and interaction, mainly including geographic information service, vehicle-mounted intelligent terminal management, space positioning management, video surveillance management, business basic service, etc.

Application software layer is mainly to provide various specific applications related to intelligent public transport, including application software for public transport information services, public transport operation and maintenance management, public transport customization services, public transport industry supervision, and public transport dispatch management.

(Public transport operation and maintenance system applies new technologies such as the Internet of Things, big data, artificial intelligence, etc. to achieve equipment monitoring, maintenance tracking and supervisory evaluation, and it uses intelligent means to ensure the overall operation of the system and support emergency preparation for various emergencies , and achieve full life cycle management and comprehensive supervision and evaluation of public transport facilities.)

(Auxiliary public transport uses fixed, non-fixed, fixed and non-fixed stations, routes and timetable modes, and can flexibly organize or customize routes according to passengers’ demand. First, auxiliary public transport can be used to solve the coverage of blind spots of conventional public transport; second, public transport can alleviate the city ’s increasingly serious road congestion problem; third, for certain groups of people, auxiliary public transport ensures their travel safety, and it can also solve their guardians’ pain point of picking up.)

(Public transport supervision system is based on public transport data to realize the monitoring and collection of dynamic information (such as real-time status of buses, the free running status of bus lines)and static information(such as the quality of public transportation service, industry information, etc.) On the basis of efficient integration and sharing of data resources, in-depth and comprehensive statistical analysis is carried out on infrastructure (bus stations, stations, etc.), bus lines, vehicles, personnel and other information resources, so as to provide information support for bus network planning, transport capacity allocation, decision-making assistance and industry

(The public transport intelligent scheduling system displays city-wide operational dispatch status information, real-time road congestion and public transport real-time operating status based on GIS maps, and realizes real-time monitoring, optimal configuration, precise scheduling, safety supervision, coordinated operation and operation analysis of city public transport by coordinating and linking transport resources such as stations, vehicles, and people within the city.Through gridding operation of public transport vehicles, according to the actual passenger flow distribution, road network smoothness and vehicle operating conditions, it can automatically generate public transport vehicle schedules, adjust the departure schedule within the city area, etc., and monitor the bus operating status and route operating conditions in real time.)

The publish access layer mainly publishes real-time public transport information to the government, enterprises and the public through the large commanding screens, websites, smart phone APP terminals, intelligent interconnect bus stations, ink screen boards, etc., and can conduct supervision, operation and query.

(Intelligent interconnect bus stations use integrated photovoltaic application, 4G/5G micro base station, face recognition, passenger flow monitor, environmental monitor and video monitor to create the intelligent social information infrastructure and city intelligent perception information nodes; for one thing, it can provide passengers with bus travel services; for another,multi-source data fusion technology can be used to collect vehicle congestion information, station congestion information, and video monitoring data, etc., so that transport managers can comprehensively and real-timely know the bus operation status and achieve more efficient management and dispatch control.)

(The ink screen board adopts a new dynamic power management system with ultra-low power consumption and sustainable uninterrupted power supply; and adopts a new electronic ink technology, which has a good display effect and can be clearly viewed under any ambient light, and the power-off screen can be retained and displayed when the power is interrupted; at the same time, it has a unique military-grade encapsulation technology that supports 1 million refreshes; it establishes wireless communication to achieve functions such as publishing information, forecasting station and monitoring the operating status of electronic station board.)

In the overall solution of intelligent public transport, corresponding transmission networks and data interface services should be deployed between the city intelligent public transport management service platform and the scheduling management platform of various public transport companies, the city intelligent transport comprehensive information service platform, the provincial public transport information platform, the internal collaborative business system, the external collaborative business system and the public transport information publishing/interaction terminals in the city jurisdiction,etc.,in order to achieve information interconnection, data exchange and sharing. The specific network technical indicators are determined by the data content, interaction frequency, scale and capacity of the city's intelligent public transport business.the network connection and data exchange requirements are as follows:

(1) Network transmission between public transport perception data and public transport enterprise scheduling management platform

Public transport enterprises need to access real-time data such as in-vehicle video data, vehicle satellite positioning, IC card swiping data, slot machine data, OBD data, station data, etc. for production scheduling, operation monitoring, equipment and materials management. The above public transport perception data is transmitted to the public transport enterprise scheduling management platform through 4G/WIFI.

(2) Network transmission between city intelligent public transport management service platform and public transport enterprise scheduling management platform

The intelligent public transport management service platform implements public transport industry management, public transport all-area scheduling, public transport maintenance, public transport travel services and other applications based on the data of the public transport enterprise scheduling management platform,and integrates other important data (perception terminals) to achieve various types of public transport management and services.It achieves network interconnection with public transport enterprise scheduling management platform mainly through the Internet, VPN, dedicated lines.

(3) Network transmission between city intelligent public transport management service platform and city intelligent public transport comprehensive information service platform

share business data with the city intelligent public transport comprehensive information service platform to meet the needs of daily management, transport industry statistics and so on. At the same time, the provincial public transport platform can also invoke application data related to the intelligent public transport operation platform as required.It achieves network interconnection with provincial public transport platform and city intelligent transport comprehensive information service platform mainly through the Internet, VPN, dedicated lines.

(4) Network transmission between city intelligent public transport management service platform and public information publishing interactive terminal

The data exchanged between the city intelligent public transport management service platform and the public information publishing/interactive terminal mainly includes bus station board data, mobile phone APP, VMS, mobile phone signaling, station alarm, station board status, station video and other data, and the processed data information is published on the outfield equipment or terminals for public inspection mainly through the Internet, VPN and dedicated lines.

(5) Network transmission between city intelligent public transport management service platform and internal collaborative business and external collaborative business systems

The operating status of the intelligent public transport system is affected by external factors such as other public transport modes, non-public transport modes, weather, etc. Therefore, in addition to the scheduling data of the public transport enterprise, the city intelligent public transport management service platform also needs to access taxis, shared bicycles, traffic police, railway, highway and other internal and external collaborative business system data to support related applications.It achieves network interconnection with internal and external collaborative business system mainly through the Internet, VPN, dedicated lines.

The data architecture of intelligent public transport solution consists of public transport basic data, public transport perception data, associated information data, public transport industry data, public transport enterprise data, public transport thematic data, and public transport application data.

Public transport basic data is a variety of dynamic and static basic data required by the operation of the public transport system, including bus depot, bus route, employee, geographic information, IC card, on-board equipment, bus enterprise, bus, bus station, and electronic station board data.

Public transport perception data is the public transport fresh data collected from various public transport ecosystems through the Internet of Things and other technical means, and the data type can be divided into video, image, text, location, identity, status, etc.

Associated information data is generated outside the intelligent public transport and needs to obtain the relevant data required in certain application scenarios or external system services, including meteorology, hydrology, tourism, navigation, and other public transport system data such as railway, civil aviation, and taxi.

Public transport industry data is various business data such as public transport industry supervision, safety assessment, government services, etc. It is the data generated by various departments of the public transport industry in the process of specific business and service development.

Public transport enterprise data is various business data used to support the operation of various public transport enterprises, and it is the data generated by the public transport enterprises in the process of business development such as specific operations and management.

Public transport thematic data is based on the needs of intelligent public transport management. It is the data generated in cross-department and cross-professional extraction, cleaning and integration of public transport basic data, public transport perception data, associated information data, public transport industry data, and public transport enterprise data in a thematic way according to the needs.

Public transport comprehensive application data is the specific application data contained in various public transport applications developed according to the actual use demands of the public transport industry supervision department, public transport operating enterprises, and the general public who take public transportation.

The system deployment of the public transport overall solution adopts a three-level platform deployment model, and adopts "a set of system, two centers, and one platform" for deployment and implementation. Upwards, the system connects business and data with the city big data center and city operation management center, performs data sharing and exchange with related systems in the transport field and other government information systems, and provides access services to the public; downwards, it connects the municipal and county(downtown) public transport enterprise dispatching system and public transport data center to exchange and share data, obtain real-time forwarding data, and support coordinated dispatch management.

A set of system refers to public transport data resource collection system. On the basis of newly built or supplemented vehicle-mounted terminals, station terminals, and network communication facilities, it should achieve the dynamic monitoring capability covering the facilities and equipment including buses, passenger flows, stations and other stations, and ensure comprehensive and real-time public transport data collection.

Two centers refer to the industry big data resource center and the enterprise data resource center. The data resource center is logically divided into two systems including the industry and enterprise system, and the centralized deployment mode or the distributed deployment mode can be adopted physically.

A platform refers to the intelligent public transport operation platform, including business applications such as intelligent public transport operation and maintenance, public transport travel services, public transport scheduling management, public transport industry supervision, public transport emergency management; the platform exchanges and shares data based on public transport big data and related transport areas, and can further provide innovative applications for industry management, enterprise operations and public services through data mining and analysis.