Reliability analysis of the control system of
large-scale vertical mixing equipment

doi:10.1007/s11465-008-0037-y

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Front. Mech. Eng. ›› 2008, Vol. 3 ›› Issue (2) : 133-138. DOI: 10.1007/s11465-008-0037-y

Reliability analysis of the control system of large-scale vertical mixing equipment

YANG Mingjin, LI Xiwen, LI Shaoping, YANG Shuzi

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Abstract

The control system of vertical mixing equipment is a concentrate distributed monitoring system (CDMS). A reliability analysis model was built and its analysis was conducted based on reliability modeling theories such as the graph theory, Markov process, and redundancy theory. Analysis and operational results show that the control system can meet all technical requirements for high energy composite solid propellant manufacturing. The reliability performance of the control system can be considerably improved by adopting a control strategy combined with the hot spared redundancy of the primary system and the cold spared redundancy of the emergent one. The reliability performance of the control system can be also improved by adopting the redundancy strategy or improving the quality of each component and cable of the system.

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YANG Mingjin, LI Xiwen, LI Shaoping, YANG Shuzi. Reliability analysis of the control system of large-scale vertical mixing equipment. Front. Mech. Eng., 2008, 3(2): 133‒138 https://doi.org/10.1007/s11465-008-0037-y

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