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Brief description: At present, the construction of subways in domestic cities has reached its peak, and major cities have started subway construction one after another. The subway not only brings great convenience to citizens, but also improves urban traffic and increases fiscal revenue. According to statistics, the world’s largest subways transport billions of passengers annually. In the case of the Beijing Subway, there are more than 2 million passengers per day during peak hours.
It is precisely because of the huge passenger flow that the following situations generally exist in subway ticket sales:
* Ticket sales at the point of sale are slow, and cash change can easily cause long queues and queues for passengers
* Paying and finding money is a waste of precious time and is prone to errors
* The charging speed is slow, the efficiency is low, and the interests of the enterprise are damaged
* It is difficult to prevent internal employee corruption and other behaviors that harm the company’s interests.
* It is difficult to collect statistics on the business and sales of various locations to obtain internal business feedback.
* Unable to obtain statistical data, conduct passenger flow analysis, and make overall planning based on this.
* It is difficult to make the operation of an enterprise distinctive and enhance its social image and grade.
* Customer dissatisfaction is a greater loss for the company
All of the above problems can be solved through the implementation of information-based scientific management models. Therefore, we believe that strengthening scientific management and increasing the desire to stimulate tourists can make economic benefits more substantial.
Therefore, we propose a “all-in-one card” management information system for ticket sales and consumption based on handheld mobile POS machines, computer networks and IC cards, which can scientifically manage subway ticket sales and small consumption, effectively solve the above problems, and satisfy passengers , Improve economic and social benefits.
Purpose: This program mainly explains how to use advanced technologies such as handheld mobile POS machines, non-contact IC cards and computers to build a smart card “all-in-one card” system for management, sales, consumption and settlement, and realize the integration of subway ticketing management and consumption, thereby To achieve the purpose of intelligent management of subway ticket sales, to provide passengers with maximum convenience, and to increase passenger consumption.
Scope: The plan describes in detail the feasibility analysis of the system, system design goals, system network structure, system software flow and main functional characteristics of system software.
Readers: This solution is provided to relevant subway operation management departments as a reference for information-based intelligent management.
Social feasibility: The city has developed rapidly and has become a fast-growing modern city, but traffic jams and serious pollution have increasingly become a bottleneck restricting development. The construction of subway projects is an inevitable trend in the development of modern cities. Therefore, the informatization construction of the subway is very necessary, and it will receive the attention of the whole society just like the subway construction. The citizens also hope to be able to use the subway more conveniently.
Therefore, the operation of the project needs to be recognized by the whole society. For the subway operation management department, it can be freed from tedious transactional work. The world’s advanced equipment and tools can be used for business processing, and the procedures are simple and convenient. That is, work efficiency is greatly improved; internal corruption and other behaviors that harm the interests of the company are eliminated, and economic benefits are improved; and statistics can be collected at any time, and passenger flow analysis can be performed to coordinate plans. The IC card issued by the system can be made into a variety of craft souvenirs, such as watches, keychains, etc., reflecting the commemorative value.
The implementation of this system can also greatly improve passenger satisfaction and bring huge social benefits. This fully reflects the superiority of advanced science and technology.
For passengers, consumers only need to carry the IC card for consumption when paying, avoiding the trouble and inconvenience caused by paying cash and finding money, saving time. Moreover, the handicrafts made of IC cards can also leave a memorial meaning for passengers. At the same time, the development of this project is also in line with the country’s trend of realizing the golden card project and the management system informationization of the “three gold” projects nationwide.
Technical feasibility: The project is completely technically feasible. The non-contact IC card technology, computer network technology, computer communication technology, database technology, etc. will be used in the project, which are already mature applied sciences. Such as computer networks, communications, database principles, etc., have been widely used in various industries across the country and have a universal foundation.
The non-contact IC card used in the system is a miniature package of an integrated circuit and a sensor chip (IC card), adopts the Mifare1 international standard, has sufficient capacity and perfect encryption technology. The handheld mobile POS machine adopts the latest model MC2008, which has been widely used in many traffic police and retail systems, and has a mature technical foundation and a broad user base.
The system adopts multiple network communication methods such as DDN/PSTN/GSM/GPRS, which can be selected and combined flexibly according to the actual situation, and has strong scalability and customization. As far as the key technologies involved in the system are concerned, there are no insurmountable difficulties. The key lies in how to combine it with the business of subway management to form a complete and reliable man-machine real-time system.
Economic feasibility: This project is a system integration project that requires a relatively large investment. The investment in the system probably includes the following investments:
hardware equipment. Card making machines, IC card readers, handheld POS machines, POS machines, IC cards, some computers and various communication equipment. Various hardware models and manufacturers can choose according to the actual capital situation and budget situation.
Software system. There is no way to run it just with hardware, so it is necessary to develop a corresponding software system to support it. Including card system, information management system, communication system and POS machine software system, etc.
System operation and maintenance. The operation of the system and subsequent maintenance and upgrades also require a part of the cost as a guarantee.
The above amount of funds can be negotiated with the hardware provider and software provider. In response to this funding situation, we can absorb funds in multiple ways to implement the project, make use of cooperation as much as possible, introduce foreign funds, and first of all ensure that the system is put into use in a short time. Then, by issuing cards to recover funds, the problem of funding for the entire project is solved. This is also a good way to “take it from the society and use it for the society”.
At the same time, the use of the system can greatly improve work efficiency. This part is also an intangible fund recovery. If properly organized, it will definitely produce considerable economic benefits. Therefore, this set of IC card integrated management system is completely economically feasible and can create great economic benefits.
System Overview
“Metro Card System” is a set of mobile data carriers and basic information units based on non-contact IC cards, handheld mobile POS machines as data and information processing equipment for consumer transactions, and the existing modern communication network as the transmission channel. The computer information management system based on the system software of the client-server model multi-layer structure is used to realize the subway IC card management and consumption system. This system adopts advanced computer network technology, communication technology, database technology, IC card technology to realize batch processing of offline transactions, forming a complete dynamic and real-time “man-machine” system, which will surely modernize subway operation and management. Informatization has played a great role in promoting.
System design goals
1. Establish a city computer management network: including computer information management center network, card sales points, toll points, special merchant outlets and mobile service outlets; communication networks try to use existing lines, such as public telephone networks and GSM wireless networks;
2. Realize the automation of IC card production and issuance, and manage the security of IC card users’ accounts and passwords;
3. Use handheld mobile POS machines for charging and transactions, and upload data regularly to the information center;
4. Realize the electronic and automation of transactions at various sales and charging outlets, avoid or greatly reduce cash transactions;
5. Collect and process transaction data regularly to realize the electronic automation of clearing and clearing between outlets;
6. Set up mobile recharge service points to provide convenience for passengers to recharge IC cards;
7. Unique identification and identification of POS to realize POS equipment management at all outlets;
8. Automatically judge IC cards with excessive or abnormal consumption and form a blacklist to prevent the appearance and use of illegal IC cards;
9. Realize the loss report processing of IC cards, notify the consumption point in time, and protect the economic interests of passengers;
Card business processing system
The system involves a variety of IC cards, which can be divided into service and consumption. The consumption types can be divided into single fixed consumption (such as tickets, etc.) and non-fixed consumption (dining, shopping).
The figure below is a schematic diagram of IC card service and consumption:
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System software structure
System expandable function
With this design, passengers can easily and quickly realize various types of charges, which activates the transaction activities in the station. However, there will be another trouble for the passengers: they come to a city and take the subway to buy. For subway cards, you need to buy a bus card when you take a bus, and you have to buy a card, recharge, and refund the card many times. Then can we buy the card at one time and spend unifiedly, so as to truly realize the “City One Card”?
The answer is: yes.
This requires us to design the scalability of the system, not just limited to the basic functions of the subway. In this regard, we have made sufficient preparations, that is, when planning and designing the system, we must stand on the “city card” “From the perspective of the following aspects,
1) Planning of system structure
The structure of the entire system should be such a structure: a municipal IC card business processing host is set up, and the IC card business processing host of each operation department can be through the metropolitan area network, public telephone network, DDN dedicated line or a dedicated network dedicated to setting up a city card. To connect to the city-level IC card business processing host for data exchange;
2) Need to add new hardware and network equipment
To establish a municipal-level one-card system, in addition to each operator having a complete set of one-card system equipment, only a dedicated municipal-level IC card business processing host server and some network equipment need to be added;
3) Design of data structure
The design of the data structure of the system is the most critical link in the construction of a city card on the basis of the subway card project. It is also the foundation. If the card system does not have the same data structure as the basis, it is almost impossible to build a city card system. Or it is extremely difficult;
In the various all-in-one card systems, if the data structure is the same, because the data between them is interoperable, the functional realization becomes simple;
The design of the common data structure is not complicated. The ultimate goal is to realize the clearing and sorting of card items. Because the business data consumed by IC cards is relatively simple, it is relatively easy to construct, mainly including the following types of data :
* Operator: code, name, name abbreviation
* Merchant: code, charge point (code), type (code), name, name abbreviation
* Consumer items: code, name, name abbreviation
* Co-branded IC card: card number, issuer, amount
* Non-co-branded IC card: card number, issuer, amount, ID card, name, password, contact number, address
* Recharge: card number, charge point unit, amount
* Transaction: card number, merchant, date, item, amount
* Card refund: card number, charging point unit, amount
* Blacklist: card number
4) Functional structure and distribution
On the basis of a consistent data structure, to build a city card system, in addition to being a complete card system, a set of municipal management and analysis functions must be added, and some supporting functions should be added to the original card system. .
City-level new features:
* System management: Mainly responsible for the setting of operating authority for personnel in various positions;
* Special merchant management: the establishment of the basic information of each special merchant, as well as the coding situation of the equipment situation, and the mastery of the change;
* Card issuance management: card issuance can be done in the same way as other scenic spots, but the liquidation of these cards must be attributed to the municipal management unit;
* Security management: the same as the original function;
* Recharge service: the same as the original function;
* Transaction acceptance: There are two aspects to transaction acceptance. One is to accept the transaction result message of the POS terminal of the special merchant under its own jurisdiction, and decrypt it and write it into the database; the other is to accept the transaction record uploaded by each operator. Summarize and write to the database;
* Card refund: the same as the original function;
* Clearing and clearing: the same as the original function;
* Blacklist management: you can accept the blacklist uploaded and analyzed, or you can get the blacklist from statistical analysis, and after summarizing, you can allow each operator’s all-in-one card system to download the blacklist;
* Statistical analysis: Statistical analysis within the entire city level, and statistical analysis of various card application projects in this city;
New functions that need to be added to the operator’s one-card system:
* Data upload: including merchants, IC cards, card issuance records, recharge records, transaction records, card refund records, blacklists
* Data download: blacklist, clearing results;
5) Operation independence of single system
Maintain the independence of the original “all-in-one card” system. Before the city is connected to the network or when the network fails, the system can still operate independently without being affected by other factors. When the network resumes operation, data exchange, liquidation and separation will be carried out ；
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