Shuo Teng RFID industrial smart handheld terminal waterway management solution
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1 Overview
Waterway is an important public welfare transportation infrastructure of the country, and strengthening waterway management and maintenance is an important guarantee for smooth, efficient, safe and green waterway transportation. For this reason, Shuo Teng’s expert team proposed a RFID industrial smart handheld terminal channel management solution.
In the past ten years or so, the national waterway industry has made great progress. Waterway management and maintenance have achieved significant results, management capabilities have been significantly improved, waterway conditions have been significantly improved, maintenance levels have been significantly improved, and public service capabilities have been significantly enhanced, which has greatly promoted water transportation and economic society. developing. In 2010, the navigable mileage of inland waterways nationwide was 124,200 kilometers, the maintenance mileage was 102,200 kilometers, the maintenance mileage of coastal waterways was more than 10,000 kilometers, and more than 8,000 landmarks were set; equipment such as navigation beacon survey ships for waterway maintenance, large-scale dredging ships, and multi-beam measurement systems It has been put into use one after another, and the ability of channel maintenance has been greatly improved; electronic channel maps, navigation beacon telemetry and remote control systems, new materials, and new equipment have been promoted and applied in channel maintenance. Some key channel maintenance has achieved informatization and digitalization, and the technology content of channel maintenance has been continuously improved.
However, the existing management systems are all based on PC-side equipment. The data for navigation and facility maintenance and management are collected on-site and then entered into the system from the PC-side equipment after returning to the office.
There are many shortcomings in such management. On-site management personnel cannot obtain the latest news of waterway facilities in time and register on-site information such as facility setting, inspection, and maintenance, which increases labor intensity, reduces work efficiency, and is not conducive to the information management of monitoring facilities.
Therefore, with the help of widely used handheld smart terminals (including smart phones, tablet computers, special smart devices, etc.), through the development of APP applications that are consistent with the existing digital waterway system, RFID handheld smart terminals can be widely used in waterways The forefront of management, which is not only conducive to the on-site maintenance and management of waterway facilities, but also can provide information-based support for on-site management of waterways in various situations, and improve the level of waterway management.
2. Main application content
For hand-held smart terminals to be used in waterway management, the waterway must be digitally managed, which can collect the status of waterway monitoring facilities in real time, and realize networked management.
RFID industrial handheld smart terminals are easy to carry and widely popular, and can play a good supplement in places where field operation management or electricity is inconvenient. In the past, handheld smart terminals were not widely used because of the limitations of communication speed and communication costs. With the popularization of 3G and 4G networks and the decline in communication costs, these restrictions no longer exist. The application of handheld smart terminals in waterway management mainly includes the following aspects:
(1) Basic conditions of channel monitoring facilities.
Including displaying the basic information of all monitoring facilities on the map (such as name, number, category, design location, etc.), dynamic information (including real-time location information, voltage, temperature, light and other status information), querying the information of monitoring facilities, and displaying monitoring The detailed information of the facility, based on the status information of the monitoring facility, gives an alarm for low voltage, position deviation, etc. The trajectory of the location movement of the monitoring facility can be queried by time period to analyze the positioning accuracy of the equipment and track the drift of the equipment.
Through the handheld smart terminal, the staff at the grassroots level can view the relevant information of the waterway anytime and anywhere.
(2) On-site management of channel monitoring equipment.
It mainly includes displaying the deviation between the design position of the monitoring equipment and the actual position on the electronic map, and modifying the dropping position. When we need to place a navigation mark or other channel monitoring facility somewhere, we generally need to design the coordinates of the placement point on the electronic map first, and then wait for the site to be placed, and see whether it is on the designed point on the electronic map. If the location is inaccurate, then call the on-site personnel to make adjustments. In this way, it requires constant coordination between computer-side personnel and on-site personnel, which is quite troublesome. After using the handheld smart terminal, the on-site personnel can directly judge the deviation value and deviation direction of the design point and the actual placement point, and they can adjust it immediately. The same applies to the correction after device drift.
(3) On-site management of channel inspection work.
During the daily inspection of the channel, the channel staff need to maintain and maintain the channel facilities. The use of handheld smart terminals can record the maintenance and maintenance process in time, including damage information registration, maintenance records, repair and replacement records, etc. In the past, the process of this work is to record relevant information with pen and paper first, and then enter it into the information system after returning to a place with a computer.
After using the handheld smart terminal, the management is more in place, the workload can be reduced, and the efficiency can be improved.
(4) On-site evidence collection management.
Many handheld smart terminals already have high-definition camera and video functions, and the recording function is also very powerful. Now ordinary mobile phones can take pictures with 13 million pixels, which was unattainable before. In the course of daily cruises, if the channel management personnel find someone or something that damages the channel management facility, they can use the handheld smart terminal to retain evidence through photos, videos, audio and other methods on the spot. After the data is optimized and compressed, it can be uploaded to the server immediately, or it can be sent back to a place with WIFI afterwards.
(5) Information push service.
Using handheld smart terminals, through the information push service, you can receive timely alarm information, unit notifications, work arrangements, etc. of the channel monitoring facilities. By simply replying, the system can know who has watched the notification and who hasn’t, so that it is easy to change other notification methods. The information push service can also push voices, photos, videos or URLs, which is very convenient.
3 Difficulties in technical realization
3.1 The parameters of handheld smart terminals are not uniform
The parameters of current handheld smart terminals are not uniform, which are mainly reflected in the operating system, screen and some hardware. The operating systems used are mainly Android, Apple, and Microsoft. When developing APP applications, you need to consider whether to develop one of the three systems or develop the most widely used system. According to statistics, the market share of the Android system exceeds 80%. The Android system should be given priority when developing APP applications. The development of the other two can be determined by the situation. The inconsistency of other parameters is mainly reflected in the hardware, the most obvious being the screen. Small mobile phones have 3 or 4 inch screens, and large tablets have 10 or 11 inch screens, so it is difficult to unify them during development. Only two or three versions can be developed based on the widely used equipment parameters, and there is no need to support all models.
3.2 Interface with the original digital waterway system
Depending on the development framework of the original digital waterway system, there will be different interface solutions. The more ancient method is to directly use the Socket communication self-editing protocol to realize the communication between the APP and the server. The disadvantage of this method is that it needs to handle the communication protocol by itself, the development speed is slow, and the advantage is that the development is relatively free and the efficiency is high. In order to speed up development, many developments now directly use soap protocol or http protocol, such as RESTful WEBAPI, PHP+JSON, Web Service and so on. Take RESTful WE-BAPI as an example. It is a kind of expressive state transfer, which provides us with an architectural style guideline for us to build the next generation of high-performance, high-scalability, simplicity, portability, and reliability Web programs. . The Web is simple, and the Web is even more programmable. REST uses simple HTTP, URI standards and XML languages to build lightweight Web services, which greatly improves development efficiency and program performance. As the REST design philosophy has become more and more popular, there are more and more frameworks supporting RESTful, such as Rubyon Rails, Apache Axis2, Python Django, and so on. The specific choice depends on the language used for development and the structure of the original system.
3.3 Calling the electronic map
At present, the electronic map based on smart terminal equipment can choose Baidu map, Gaode map, Google map, 51 map, etc. These electronic maps all use open interfaces for APP applications to call, which is very convenient to use, but there is a disadvantage , The accuracy of the map is not high, generally above 10 meters. If the map requirements are very accurate, you must compile the map yourself and use a map platform that supports APP, such as Beijing SuperMap’s i Server. It is more difficult to develop a map by yourself, and many things need to be handled by yourself. It is recommended that APP applications that are not sensitive to accuracy requirements use a third-party electronic map.
To sum up, by using the RFID industrial smart handheld terminal developed by Shuo Teng, and by developing APP applications that are consistent with the existing digital waterway system, the digital management level of the waterway can be improved, and the lack of computers and inconvenient portability for grassroots employees can be solved. Problems, while improving work efficiency, shortening the reaction time and handling time of accidents. This is also a bottleneck in the promotion and application of digital waterways.
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