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http://dx.doi.org/10.9709/JKSS.2012.21.3.001

Verification of Automatic PAR Control System using DEVS Formalism  

Sung, Chang-ho (KAIST 전기및전자공학과)
Koo, Jung (공군작전정보통신단)
Kim, Tag-Gon (KAIST 전기및전자공학과)
Kim, Ki-Hyung (아주대학교 정보컴퓨터공학부)
Publication Information
Journal of the Korea Society for Simulation / v.21, no.3, 2012 , pp. 1-9 More about this Journal
Abstract
This paper proposes automatic precision approach radar (PAR) control system using digital signal to increase the safety of aircraft, and discrete event systems specification (DEVS) methodology is utilized to verify the proposed system. Traditionally, a landing aircraft is controlled by the human voice of a final approach controller. However, the voice information can be missed during transmission, and pilots may also act improperly because of incorrectness of auditory signals. The proposed system enables the stable operation of the aircraft, regardless of the pilot's capability. Communicating DEVS (C-DEVS) is used to analyze and verify the behavior of the proposed system. A composed C-DEVS atomic model has overall composed discrete state sets of models, and the state sequence acquired through full state search is utilized to verify the safeness and the liveness of a system behavior. The C-DEVS model of the proposed system shows the same behavior with the traditional PAR control system.
Keywords
DEVS (Discrete Event Systems Specification); PAR (Precision Approach Radar); Verification;
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