خلاصة:
هدف پژوهش حاضر، ارائۀ رویکردی آمیخته برای ارزیابی عملکرد نگهداری و تعمیرات مبتنی بر مولفههای شکستناپذیری [i] در منطقۀ ده عملیات انتقال گاز کشور است. در بخش کمّی پژوهش آمیختۀ حاضر با استفاده از روش دلفی فازی، از 131 شاخص کلیدی ارزیابی عملکرد نت برگرفته از استانداردهای مختلف جهانی، 16 شاخص متناسب با فعالیتهای منطقۀ ده عملیات گاز شناسایی شده است. در بخش کیفی نیز با استفاده از روش تحلیل مضمون، با مشارکت 10 خبرۀ سازمانی و دانشگاهی، عوامل شکستناپذیری در قالب 254 کد باز، 18 کد سازماندهنده و دو کد فراگیر با استفاده از نرمافزار ماکس کیودا [ii] نسخۀ 2020 شناسایی و دستهبندی شده است. تاثیر این شاخصها بر معیارهای کلیدی ارزیابی نت با استفاده از روش همبستگی کانونی بررسی شد. بررسی نتایج نشان داد یادگیری و رشد، پانارشی [iii]، هیورستیک [iv]، هورمونیزهشدن [v] و باربل استراتژی [vi] از مولفههای رفتاری و افزونگی [vii]، نظام مشارکت و قابلیت اطمینان بالا از مولفههای ساختاری، بیشترین تاثیر را بر معیارهای کلیدی ارزیابی عملکرد سیستم نگهداری و تعمیرات، شامل درصد هزینۀ نت مبتنی بر وضعیت، میانگین زمان ازکارافتادگی، درصد حوادث آسیبرسان به کارکنان و میانگین زمان بین دو توقف دارد.
Purpose: This paper aims to propose a mixed approach for evaluating preventive maintenance performance based on anti-fragility factors in Iranian Gas Transmission Company (IGTC) district 10. Design/methodology/approach: In the quantitative part of this mixed research, using the Fuzzy Delphi Method (FDM), out of 131 key performance indicators taken from different standards, 16 indicators identified suitable for the activities of IGTC district 10. In the qualitative section, using the thematic analysis method, ten organizational and academic experts participated, and anti-fragility components in the form of 254 open codes, 18 organizing codes, and two comprehensive codes identified and categorized using Maxqda2020 software. The effect of these indicators on maintenance key performance indicators investigated using the canonical correlation method. Findings: Findings indicated that learning and growth, panarchy, heuristics, harmonization, and Barbell strategy of behavioural components, and redundancy, participation system, and high reliability of structural components had the highest impact on key maintenance performance indicators including condition-based maintenance cost, average downtime, percentage of accidents involving personnel, and the mean time between failures. Research limitations/implications: The most important limitation of this research is that due to the case study unique characteristics, the results could not be generalized to other companies. Besides, the proposed model developed based on anti-fragility factors that are not available simply or difficult to define for every company. So, it is suggested that in order to apply the proposed model, first the anti-fragility factors for the company should be localized. Practical implications: By applying the proposed model, companies can expect a significant decrease in the total preventive maintenance cost and human injuries caused by defects and breakdowns. Also, managerial planning in the preventive maintenance system toward the resource allocation to the equipment and PM personnel will be simple. Social implications: Recognizing anti-fragility factors and reducing irreparable human and technical damages will lead to positive employee and social attitude towards the company. Also, the proper performance of a preventive maintenance system will result in a clean and carbon-free environment. Originality/value The proposed approach is suitable for evaluating preventive maintenance performance based on anti-fragility factors in companies. The use of quantitative and qualitative analysis in the proposed methodology was not considered in the reviewed literature, simultaneously. So this approach can be a model for other subsidiaries in the oil and gas industry to follow.
ملخص الجهاز:
ir هدف پژوهش حاضر، ارائۀ رويکردي آميخته براي ارزيابي عملکرد نگهداري و تعميرات مبتني بر مؤلفه هاي شکست ناپذيري ١ در منطقۀ ده عمليات انتقال گاز کشور است .
جدول ٤- مفاهيم و کدهاي باز يکي از مضامين (خروجي ماکس کيودا) برچسب مفاهيم و منابع کدهاي اوليه و باز مضمون پايه System Antifragile: Things That Gain from Disorder”, specifies systems that are capable of absorbing behavior in shocks and be improved positively by them Abs 01 face of Antifragility, is defined as a property of a system that can absorb chaos and errors to learn and Abs 04 volatility, grow sthroecssks and benefits from volatility, adapts, and becomes better Abs 05 More than being robust or resilient, which resist or absorb volatility, an antifragile strategy مرحلۀ چهارم ؛ بازبيني مضامين و خلق مضامين سازمان دهنده : با بازنگري مجدد و غربـال بيشـتر مضـمون هـا، کوشش شد مضمون ها غيرتکراري و جامع باشد.
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