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首页> 外文期刊>Journal Of The South African Institute Of Mining & Metallurgy >Reliability modeling and performance analyses of an LHD system in mining
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Reliability modeling and performance analyses of an LHD system in mining

机译：采矿中LHD系统的可靠性建模和性能分析

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摘要

LHD (load haul dumper) is now used as a loading machine for intermediate mechanization in underground coal mining. For survival in the intense competition in the global business environment in recent years it is essential that LHD machine should be reliable and maintained effectively and efficiently. This paper seeks to study the reliability, availability and maintainability (RAM) of an LHD machine with failure and repair data by Markov modelling. The constraints and reasons for machine unavailability are outlined. The reliability and maintainability of an LHD and its subsystems are evaluated. Possible modification or design alternatives are highlighted. Reliability and maintainability of an LHD system are disappointing. There is room to take decisions on optimal maintenance planning and machine improvement from this analysis.
机译：LHD（装载牵引车）现在用作地下煤矿中的中间机械化的装载机。为了近年来在全球商业环境中的激烈竞争中生存，LHD机器必须可靠并有效地进行维护至关重要。本文旨在通过马尔可夫模型研究具有故障和维修数据的LHD机器的可靠性，可用性和可维护性（RAM）。概述了机器不可用的约束条件和原因。评估了LHD及其子系统的可靠性和可维护性。突出显示了可能的修改或设计替代方案。 LHD系统的可靠性和可维护性令人失望。通过此分析，可以对最佳的维护计划和机器改进做出决策。

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