講座題目：《Reliability Evaluation for a Circular Con/k/n:FSystemwith a Novel Differential Repair Policy》

主講嘉賓：高珊教授

講座主持：王金亭教授

講座時(shí)間：2025年10月30日（星期四）14：00-16：00

講座地點(diǎn)：沙河校區(qū)學(xué)院樓四號(hào)樓318會(huì)議室

講座摘要：In many industrial environments, some components fail and cannot be repaired immediately. We propose a novel repair policy for addressing component failure issues in a circular consecutive-k-out-of-n:F (abbreviated as Cir/Con/k/n:F) system. This repair policy assigns preemptive priority for repair to the component whose breakdown results in system failure (called emergency repair), while renders an ordinary repair to the failed components without causing failure of the system. The ordinary repairs are recorded by the repairman in the order of their failure, which is said that the broken components are stored in“orbit”. When the repairman becomes idle, he makes the orbital search for failed ones according to the first-failed-first-repair discipline, which can be interrupted by an emergency repair. We carry on an extensive investigation on reliability and queueing indices of the considered model. Specifically, we present a Cir/Con/2/6: F system as an example to give sensitivity analysis for the reliability performance. Numerical inversion of Laplace transform-Stehfest method is adopted to obtain approximate solutions for reliability function. Furthermore, the minimization problem of the CBR is addressed by adopting sequential quadratic programming algorithm. This study offers new insights into balancing the expected total repair cost and associated benefits in the Cir/Con/k/n:F system.

This talk is based on joint research with Jinting Wang and Qin Chen

嘉賓簡(jiǎn)介：高珊，阜陽(yáng)師范大學(xué)教授，2011年獲中南大學(xué)博士學(xué)位，2012年至2014年在北京交通大學(xué)從事博士后研究。主要研究方向包括隨機(jī)運(yùn)籌學(xué)、可靠性理論等。近年來(lái)，先后主持安徽省自然科學(xué)基金面上項(xiàng)目、安徽省高校自然科學(xué)重大/重點(diǎn)項(xiàng)目、安徽省高校優(yōu)秀青年骨干人才國(guó)內(nèi)外訪學(xué)研修項(xiàng)目、中國(guó)博士后科學(xué)基金面上項(xiàng)目；主持阜陽(yáng)市政府—阜陽(yáng)師范學(xué)院科研團(tuán)隊(duì)橫向合作項(xiàng)目，以及安徽省高等學(xué)校省級(jí)質(zhì)量工程精品線下開(kāi)放課程等多項(xiàng)教學(xué)研究項(xiàng)目。科研工作曾三次獲安徽省自然科學(xué)優(yōu)秀論文獎(jiǎng)，在Reliability Engineering & System Safety、European Journal of Operational Research、IEEE Transactions on Reliability、Annals of Operations Research等運(yùn)籌與管理、可靠性等領(lǐng)域發(fā)表學(xué)術(shù)論文30余篇.

主辦單位：管理科學(xué)與工程學(xué)院