Modeling and Analyzing Flight Control Software of Unmanned Aerial Vehicle Using UML and B Method

摘要

B is a formal method which enables the automatic generation of an executable code through successive refinements from an abstract specification. Unified Modeling Language (UML) specifications can be formally verified by analyzing the corresponding B specification, and integration of UML specifications and B method can overcomes the drawbacks of UML. In this paper the Class diagram of the flight control system is presented and each class operation is mapped to a B abstract machine. The flight control software behaviors are presented in the form of statecharts The B method is adopted to translate the statecharts into B specification of flight control software.Using UML and B method, flight control is refined and failure management is added. Finally proof obligations are presented to ensure the safety for the ertical control of artificial navigation of UAV.