89. Functional control structure model for the complex systems and its application in system safety analysis
Jianbo Hu1, Lei Zheng2
College of Material
Management and Safety Engineering, Air Force Engineering University,
E-mail: email@example.com, firstname.lastname@example.org
(Received 23 December 2015; received in revised form 15 April 2016; accepted 22 April 2016)
Abstract. The safety problem for the complex system is regarded as a control problem other than probability one, where the overall functional control structure model of the complex system could be configured in terms of the relationships among their functional labels. The hazards are due to the unsafe control actions (UCA), or the malfunctional control action (MCA). Meanwhile, UCA and MCA are due to the error feedback information (EFI), the error environment variables (EEV), the error state variables (ESE), the error command inputs (ECI), the error working modes (EWM), and the error process models (EPM), etc. Every function or component would be described as 10 labels, which are the input command (IC), the feedback to the upper level (FU), the control action (CA), the feedback from the lower levels (FL), the external input command (EC), the process model (PM), other related state variable (SV), the precondition (PC), the resource and the executing condition (RE) of the system, and the environment variable (EV). The aircraft wheel brake system’s control structure model is given to show its effectiveness.
Keywords: functional control structure model, system safety analysis, wheel brake system.
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Cite this article
Hu Jianbo, Zheng Lei Functional control structure model for the complex systems and its application in system safety analysis. Journal of Measurements in Engineering, Vol. 4, Issue 2, 2016, p. 70‑81.
Journal of Measurements in Engineering. June 2016, Volume 4, Issue 2
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