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Possibilities for Using NoSQL Databases in Information Systems in Transport

100%
Czerepicki A.
Logistics and Transport
|
2016
|
vol. 31
45-50
EN
The article presents directions for development of end-user-oriented information systems in transport. Characteristics of databases belonging to the trend of NoSQL have been enumerated as well as the represented data models. The example of a relational model transformation to a graph form and the concept of application of a graph database for connections search in public transport system have been presented. The general concept of a distributed information system has been presented which uses NoSQL databases in particular modules.
2
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The Design of the Telemetric System for Recording Operating Parameters of Electric Vehicles

51%
Tomczuk P., Czerepicki A., Koniak M., Jaskowski P.
Logistics and Transport
|
2017
|
vol. 33
47-54
EN
The article presents the prototype of the original telemetric system developed as a part of Warsaw University of Technology Rector's Grant by Science Club of Electrical Engineering in Transport Systems (KNEST) together with the Faculty of Transport. The system was designed for remote monitoring and recording of electric vehicle’s operating parameters. Under the project electric go-kart was a technology demonstrator for which velocity, current, voltage, temperature and GPS coordinates were recorded. Data are transferred in real-time, what allows to monitor all parameters of the electric vehicle on-line. The article describes functional requirements for the developed system and the elements used, including sensors of signals. The authors present steps of transfer of data acquired from the vehicle until their visualization at the remote computer through the developed application. The advantages of the system are long range wireless connectivity, low price and wide upgrade possibilities. The tests performed have shown the correct functioning of the system and its compliance with the assumptions.
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