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Use cases are widely used to capture user requirements based on interactions between different roles in the system. They are mostly documented in natural language and sometimes aided with graphical illustrations in the form of use case diagrams. Use cases serve as an important means to communicate among stakeholders, requirement engineers and system engineers as they are easy to understand and are...
This paper presents a modular design scheme for miniature underwater robot used for swarm operations. Both the hardware circuit and the software structure are introduced. In this design, miniature underwater robots are composed of two kinds of modules, namely a core controller and a set of functional modules. The core controller is in charge of running the software that control the robot, while a...
To meet the requirements of some intelligent vehicle monitoring system, the software integrates Global Position System (GPS), Geographic Information System (GIS) and Global System for Mobile communications (GSM) in the whole. The structure, network topology, functions, main technical features and their implementation principles of the system are introduced. Then hardware design of the vehicle terminal...
For solving measurement problem of spanless points of complex rotary mechanical drive system, a new torsional vibration measuring model of spanless points was proposed by using continuous shaft segment model. The measuring model could calculate torsional vibration parameter values of spanless points utilizing testing data of measurable points. The correctness of theory was verified by torque testing...
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