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The implementation and application of the Hohhot Public Transport Intelligent Dispatch System in Hohhot Public Transport Corporation has been very successful. It integrates resources, unifies scheduling, improves management, reduces personnel expenses, increases the number of passengers, and reduces the rate of empty vehicles. Let the company keep abreast of the operating conditions of vehicles, keep track of the working conditions of drivers, and quickly deal with operational problems. Achieved fair assessment and reduced disputes. At the same time use it to develop advertising business and increase advertising revenue. Use it to automatically prompt the arrival and departure of vehicles and automatically predict the arrival of vehicles, which is convenient for passengers, can attract more passengers and expand income. Collect vehicle data every month to make the assessment more timely and accurate, and reduce losses due to delays and errors. Accurate and automatic station reporting, avoid misreports and omissions, reduce complaints, enhance corporate image, and have obvious social benefits. The automatic stop announcement reduces the operating burden of the driver, allows him to concentrate more on driving the vehicle, and improves the quality of service.
How State-owned Enterprises Meet Passenger Demand
Hohhot Public Transport Corporation is a social public welfare state-owned medium-sized enterprise that provides passenger transport services for the daily production and life of urban and rural people, and is an important infrastructure of the capital city. The company currently has 2,476 employees, 829 operating vehicles, 51 operating lines, with a line length of 831.4 kilometers, an average daily passenger volume of 436,000, and an average daily mileage of 127,000 kilometers. There are 5 grassroots companies under the head office.
In order to continuously strive to provide passengers with safe and comfortable riding conditions, meet people’s riding needs, and strengthen the scientific foundation and applied research of urban public transportation, in 2004, Hohhot Public Transport Corporation (hereinafter referred to as “Hohhot Public Transport Company”) ) Decided to cooperate with Qingdao Hisense Network Technology Co., Ltd. to comprehensively carry out public transportation informatization and intelligentization. The Hohhot Public Transport Company raised 6.8 million yuan of funds and started the preparations for the intelligent dispatching system from the beginning of 2003. As of November 2004, the GPS intelligent dispatch system was officially put into operation. After completion, the GPS intelligent dispatch system has become a network platform with complete information collection, transmission, storage, and processing functions. It has changed the traditional backward operation dispatch mode. Through the dispatching system, dispatchers can keep abreast of the city’s bus operating conditions and complete functions such as bus two-way conversation, voice prompts, and automatic stop reporting. At the same time, the GPS intelligent dispatching system has realized the connection between the first GPS dispatching platform of the national public transportation system and the IC card charging platform, making public transportation business informatization and scientific operation management, and laying a solid foundation for realizing the modern management of intelligent public transportation.
The intelligent dispatching system has completed the construction of the basic network, central computer room, data communication service center, general monitoring center, 4 monitoring dispatching centers, 200 vehicle-mounted terminals and the data transmission subsystem of the “IC Card Charging System”. There are 177 vehicles installed with GPS dispatching system; 11 operating lines (1, 2, 3, 7, 19, 24, 34, 52, 55, 56, 58) have achieved real-time vehicle operation information Collection can be very intuitive to monitor the running status of vehicles in the form of graphs; No. 1, No. 2, and No. 3 have achieved direct dispatch of operating vehicles, realizing the logic of uniform departure, and the running interval of vehicles is very even.
GPS boosts the level of bus service
GPS has a wide range of uses. Any ground positioning work that needs to be done can be done with GPS. In the past, GPS users of the Global Positioning System were focused on military applications. It has been widely used in daily life, such as satellite navigation systems, land transportation monitoring, car navigation, and communication mobile phones with GPS positioning functions. Now GPS is most commonly used in resource survey, land exploration, navigation and positioning, surveying, cartography, military, ambulance, fire fighting, police, rescue and so on.
The functions that GPS should achieve in the application of public transportation system are:
① Report station automatically. It can report to the station automatically according to the set site and content, without manual operation. It solves the complicated operation of manual station announcement and reduces the operating burden of the driver.
②Information display. Platform display and advertising can be carried out. The built-in display board of the vehicle can be used for advertising and platform display.
③Dynamic scheduling. Dynamic scheduling can be carried out according to the actual situation of vehicle operation, which can solve the problems caused by several vehicles arriving at the station at the same time.
④Data collection. It can collect and record vehicle operating data. Such as mileage, number of trips, passenger flow, etc. It can also monitor the tire pressure and temperature.
⑤ Failure report. It can report the fault and display the exact location of the faulty vehicle. It facilitates the timely repair of faulty vehicles, and buys time for the timely repair of faulty vehicles.
⑥Location display. The real-time location of any vehicle in the system can be displayed as needed. The actual operation status of any vehicle can be queried, which provides a basis for the operation and management of the vehicle.
⑦Data query. Inquire about the data as needed. Such as mileage, number of trips, violations, etc., provide conditions for access to relevant data.
⑧Data statistics. Statistics of required data can be performed. Relevant information such as mileage, number of trips, violations, etc. provide a reliable guarantee for the accuracy of data statistics.
Two-way communication between vehicle terminal and dispatcher
The vehicle-mounted terminal system on the bus can receive and process the information sent by the dispatching system in real time, and can exchange information with the dispatching room in two-way through communication facilities. At the same time, the vehicle terminal system will also intelligently monitor the vehicle speed, temperature, smoke, stability, etc. When certain parameters exceed the standard value, the terminal system will automatically alarm, and the driver can take corresponding measures to make the bus safer and more reliable. . At the same time, the public transportation management department in the dispatch room can master various information such as the number of passengers on the road, accidents, disputes, road resistance, exhaust emissions compliance status, driving stability, speed, air-conditioning use, etc. through the central system. When the vehicle network fails, you can quickly receive a repair report and deal with it.
The vehicle-mounted terminal can receive and process GPS information, and conduct two-way information exchange with the general dispatching room or company dispatching room through GPRS. The main functions are and can realize the function of querying the machine (inquiry of dispatching information, driver production status and violations, etc.); it can be sent regularly The latest vehicle operating status information, the sending cycle is 5-30 seconds (adjustable), and it can send information to dispatching departments at all levels at any time; all kinds of information can be set and adjusted by themselves, can receive, display and consult the received dispatching information; The speed, temperature, smoke, smoothness, etc. can be automatically warned; it can provide a standard interface for connecting with other on-board equipment to realize corresponding functions; the station announcer realizes automatic station announcement, and can automatically set to announce station when the operating line is changed Device; non-contact IC card reader; passenger flow statistics device; vehicle driving status recorder; with call function.
The GPS bus dispatching and monitoring software system is the brain of the intelligent dispatching system. The functions it provides include: the configuration of the monitoring management system can display the electronic map and the bus line network separately or at the same time, all or part of it on the screen; the software contains Need to monitor the information of the vehicle, through the operation, you can select the vehicle on the electronic map and display the running status, speed, direction, line number, license plate number, model, etc. of the vehicle at this time; you can select the road on the map and query the road name; Query the status of any line on the bus line network, such as the total length of the line, the number of stations, the geographic location of the station, the name of the station, the location of each vehicle in the line, the driving direction, the departure time, the time of the last bus, etc.; Send instruction information to the vehicle, such as: overstepping, accelerating, decelerating and waiting, etc. The command information can be displayed through the LCD Chinese characters of the vehicle terminal, or through the GPRS wireless communication network. The wireless communication can be group call, single call, and two-way information transmission; the control management center is equipped with a vehicle alarm and emergency automatic prompt function, which can make Vehicles can be resolved in time when problems occur; establish a database: including the operating schedule of each vehicle on the day, the type and number of problems encountered during operation, the two-way transmission of information between the control center and the vehicle, etc., which can be used as a reference for review and decision-making.
Intelligent system reforms traditional dispatch mode
Use the intelligent transportation system that integrates scientific traffic management methods and advanced information technology to improve urban traffic problems, reduce labor intensity of employees, reduce ticket loss, and move toward a modern, scientific, technological, and informationized enterprise, and strengthen the enterprise It is the development direction of Hohhot Bus Company to manage itself, reduce the management cost of the enterprise, increase the efficiency of the enterprise, and better take on the characteristics of social welfare. Hohhot Public Transport Company is committed to improving the public transportation situation in Hohhot, adopting environmentally sustainable methods to improve the efficient use of the urban transportation system, and to improve the accessibility of the city center. Further ease the traffic pressure without increasing traffic design; provide more information services for travelers; establish information management tools to improve management and reduce operating costs. To this end, Hohhot Public Transport Company has implemented the “GPS Dispatching System” with self-raised funds, which has achieved the reform of the traditional dispatching mode, the realization of public transportation information dispatching, and partial realization of regional dispatching, so as to improve the efficiency of bus operation dispatching management and reduce the cost of bus operation dispatching management. The purpose of realizing the informatization of bus operation dispatching management, improving the informatization service level of public transportation enterprises, and improving the informatization level of urban public transportation.
Public transport ITS is an important part of urban ITS. Under the background of public transport priority, public transport will play an increasingly important role in alleviating urban traffic congestion. Bus ITS can improve the information service of bus passengers, and improve the operation and dispatch of bus companies and corporate management. The significance of bus intelligence is mainly reflected in the following aspects:
①Provide higher service levels for enterprises to improve the punctuality and predictability of bus services; improve the level of dispatching to adapt to passenger flow, enhance bus service flexibility, shorten waiting time, and improve comfort; make transfer connections more efficient, The transfer plan is highly predictable; it is convenient for passengers to make more effective use of waiting time and boarding time; IC card payment method that facilitates settlement management and time saving; expands the content of public transportation services and introduces new forms of services.
②Able to provide passengers with comprehensive information services: the intercommunication and integration of information among various bus transportation modes; the effective application of emergency information such as accidents; the timeliness of information maintenance and update;
③ Public transportation ITS provides the company with a high degree of intelligent operation management: enriching and perfecting the technical means for real-time mastering of the operation status of public transportation vehicles; flexibility and adaptability of dispatch management; effectiveness and timeliness of the application of emergency information such as accidents; multi-mode change Coordination and ordering of rides and connections; real-time grasp of passenger flow data; efficient and economical development and utilization of vehicles and human resources; ④ Public transport ITS facilitates the provision of basic data information for decision-making in line adjustment and planning.
The application of the intelligent dispatching system enables the company to grasp the operating conditions of vehicles in a timely manner, implement scientific dispatching of vehicles, understand the conditions of vehicles at any time, and solve many problems in a timely manner. Not only will the driver’s operation become simpler, but the data statistics will be more timely and accurate. Passengers can get from the GPS bus application system: choose the route easily and clearly wait for the bus; the riding environment is more relaxed and the information scenery is visible; they will not take the bus to the station. In short, public transportation ITS has achieved remarkable results in changing the backward operation management and scheduling mode, realizing the optimal allocation of public transportation resources, improving the efficiency of public transportation enterprises, improving the service level of public transportation, and attracting passengers.
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