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Modeling and optimization for multi-echelon spares inventory configuration with lateral transshipments

Ruan Minzhi and Liu Renyang

Strategic Study of CAE 2015, Volume 17, Issue 5,   Pages 106-112

Abstract:

Under the multi-echelon repair and supply system， spares supply with lateral transshipments is aneffective approach to improve support effectiveness.transshipments model under multi-echelon multi-indenture system is built， and heuristic algorithm isequipment availability as constraint and spares cost as objective， the spares inventory is optimized by marginal， numerical studies show that our model is superior in improving the support effectiveness of equipment

Keywords： lateral transshipments；multi-echelon maintenance supply；spare parts；marginal optimization；support effectiveness    

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Design on system reliability optimi-zation based on the spare parts’ cost of life cycle

Shao Songshi,Li Qingmin and Li Hua

Strategic Study of CAE 2015, Volume 17, Issue 5,   Pages 25-30

Abstract:

There are problems in the previous system reliability optimization study because of system cost onlyWe employ a simple calculation method of the spare parts’cost based on the estimation for spareparts demand during the whole life cycle， in the condition of two kinds of nonlinear reliability-priceas the goal of minimizing the sum of system price and spare parts cost.The system reliability optimization scheme， which based on the spare parts’cost of life cycle，

Keywords： life cycle；the cost of spare parts；reliability optimization；series-parallel system；genetic algorithm    

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Managing economic and social profit of cooperative models in three-echelon reverse supply chain for waste

Jian Li, Zhen Wang, Bao Jiang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0999-2

Abstract: In addition to maximizing economic benefits, reverse supply chains should further seek to maximize socialThe paper investigates cooperative models with different parties in a three-echelon reverse supply chainThe results indicate that optimal total channel profit and recycle quantity in a reverse supply chainThe three-echelon reverse supply chain consisting of duopolistic retailers maximizes total channel profitand recycle quantity in a reverse supply chain for WEEE.

Keywords： Waste electrical and electronic equipment (WEEE)     Reverse supply chains     Recycle quantity     Social benefit    

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Bridging reliability and operations management for superior system availability: Challenges and opportunities

Frontiers of Engineering Management   Pages 391-405 doi: 10.1007/s42524-022-0206-4

Abstract: Recently, firms have begun to handle the design, manufacturing, and maintenance of capital goods throughHence, holistic optimization models must be proposed for jointly allocating reliability, maintenance,and spare parts inventory across the entire value chain., and spare parts logistics models.semiconductor equipment industry and show how the firm deploys reliability initiatives and after-sale support

Keywords： system availability     product-service integration     installed base     new product introduction     service supplychain     reliability-maintenance-inventory optimization    

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Multi-timescale optimization scheduling of interconnected data centers based on model predictive control

Frontiers in Energy doi: 10.1007/s11708-023-0912-6

Abstract: In this paper, a multi-timescale optimal scheduling model is established for interconnected data centers(IDCs) based on model predictive control (MPC), including day-ahead optimization, intraday rolling optimizationThe day-ahead optimization stage aims at the lowest operating cost, the rolling optimization stage aimsaims at the lowest power fluctuation, eliminating the impact of prediction errors through coordinated multi-timescaleoptimization.

Keywords： model predictive control     interconnected data center     multi-timescale     optimized scheduling     distributedpower supply     landscape uncertainty    

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Numerical investigation of the effectiveness of effusion cooling for plane multi-layer systems with different

Dieter BOHN, Robert KREWINKEL

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 406-413 doi: 10.1007/s11708-009-0041-x

Abstract: Within Collaborative Research Center (SFB) 561 “Thermally Highly Loaded, Porous and Cooled Multi-LayerSystems for Combined Cycle Power Plants” at RWTH Aachen University, an effusion-cooled multi-layerWithin the SFB, two different multi-layer systems, one consisting of substrate made of CMSX-4 (a single-crystalThe numerical grid for the simulations contains the coolant supply (plenum), the solid body for the conjugatecooling hole geometry with a laterally widened fan-shaped outlet, contoured throughout, and one without lateral

Keywords： conjugate calculation     effectiveness of effusion cooling     multi-layer systems     CMSX-4     NiAl-FG75    

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Build orientation determination of multi-feature mechanical parts in selective laser melting via multi-objective

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0737-8

Abstract: melting (SLM) is a unique additive manufacturing (AM) category that can be used to manufacture mechanical partscrucial in AM because it affects the as-built part, including its part accuracy, surface roughness, supportThis study proposes a method to determine the build orientation of multi-feature mechanical parts (MFMPsLastly, a multi-objective decision making method integrated by the technique for order of preferenceTwo case studies are reported to validate the proposed method with numerical results, and the effectiveness

Keywords： selective laser melting (SLM)     build orientation determination     multi-feature mechanical part (MFMP)     fuzzy analytical hierarchy process     multi-objective decision making (MODM)    

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Study on the planning model of warship equipment support system

Luo Zhong,Zhu Xiaojun and Zhang Zhihua

Strategic Study of CAE 2015, Volume 17, Issue 5,   Pages 51-57

Abstract:

A planning model of ship equipment support system was proposed， which was systematization and complexity， on the basis of many years’ experience in the equipment support engineering.maintenance structure， and the method of ship equipment maintenance design were built， which broke throughthe key techniques of ship equipment support system planning.work orderly， and forming the support capacity fast.

Keywords： ship equipment     support system     planning     maintenance structure     maintenance design    

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Optimal design analysis of a tubular heat exchanger network with extended surfaces using multi-objectiveconstructal optimization

Hassan HAJABDOLLAHI, Mohammad SHAFIEY DEHAJ, Babak MASOUMPOUR, Mohammad ATAEIZADEH

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 862-875 doi: 10.1007/s11708-022-0839-3

Abstract: The present work aims to investigate the influence of extended surfaces (fins) on the multi-objectiveoptimization of a tubular heat exchanger network (THEN).Tubular heat exchanger network design parameters were chosen as optimization variables, and optimizationresults were achieved in such a way as to enhance the effectiveness and decrease the total heat transferFor instance, the simple fins case enhances the effectiveness by up to 5.3% compared to that without

Keywords： constructal theory     extended surface     effectiveness     total heat transfer area     multi-objective optimization    

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Hybrid optimization algorithm for modeling and management of micro grid connected system

Kallol ROY,Kamal Krishna MANDAL

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 305-314 doi: 10.1007/s11708-014-0308-8

Abstract: In this paper, a hybrid optimization algorithm is proposed for modeling and managing the micro grid (The management of distributed energy sources with MG is a multi-objective problem which consists of windtakes into consideration the optimal configuration of the MG at a minimum fuel cost, operation and maintenanceFrom the minimized fuel cost functions, the operation and maintenance cost as well as the emission isThe proposed method is implemented in the Matlab/Simulink platform and its effectiveness is analyzed

Keywords： micro grid (MG)     multi-objective function     artificial bee colony (ABC)     fuel cost     operation and maintenance    

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Decision Support System for emergency scheduling of raw water supply systems with multiple sources

Qi WANG, Shuming LIU, Wenjun LIU, Zoran KAPELAN, Dragan SAVIC

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 777-786 doi: 10.1007/s11783-013-0537-9

Abstract: A hydraulic model-based emergency scheduling Decision Support System (DSS) is designed to eliminate theimpact of sudden contamination incidents occurring upstream in raw water supply systems with multipleincluding water quality prediction, system safety assessment, emergency strategy inference and scheduling optimizationOtherwise, a Genetic Algorithm (GA)-based optimization model will be used to find the least-cost scheduling

Keywords： decision support system     raw water supply system     contamination incident     emergency scheduling     hydraulic    

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Review of self-referenced measurement algorithms: Bridging lateral shearing interferometry and multi-probe

Dede ZHAI, Shanyong CHEN, Ziqiang YIN, Shengyi LI

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 143-157 doi: 10.1007/s11465-017-0432-3

Abstract: This paper discusses the reconstruction algorithms for self-referenced measurement and connects lateralshearing interferometry and multi-probe error separation.In lateral shearing interferometry, the reconstruction algorithms are generally categorized into modalThe multi-probe error separation techniques for straightness measurement are broadly divided into two-pointThe common features of the lateral shearing interferometry method and the multi-probe error separation

Keywords： self-referenced measurement     lateral shearing interferometry     multi-probe error separation     surface metrology    

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Maintenance planning and its application in the warship maintenance practice

Zhang Wenjun,Wang Wei,Xu Wei and Wang Hui

Strategic Study of CAE 2015, Volume 17, Issue 5,   Pages 38-43

Abstract:

In order to solve common problems in warship equipment maintenance that the depth of technical datumis not enough，and the preventive maintenance program and maintenance support configuration are no bases，the process of maintenance planning for warship equipment with technical requirement was presented by

Keywords： maintenance planning；preventive maintenance program；support resource demand    

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Effect of cutterhead configuration on tunnel face stability during shield machine maintenance outages

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 522-532 doi: 10.1007/s11709-023-0930-9

Abstract: Owing to long-distance advancement or obstacles, shield tunneling machines are typically shut down for maintenanceEngineering safety during maintenance outages is determined by the stability of the tunnel face.Pressure maintenance openings are typically used under complicated hydrogeological conditions.Owing to the high risk of face failure, the necessity of support pressure when cutterhead support isThe required compressed air pressure increases significantly as the support ratio decreases.

Keywords： tunnel face stability     cutterhead configuration     aperture ratio     pressure gradient     support ratio    

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Research and practice on the reform ofscheduled maintenance mode ofwarships

Zhu Shijian

Strategic Study of CAE 2015, Volume 17, Issue 5,   Pages 4-9

Abstract:

According to new requirements on the scheduled maintenance for warships due to the mission expansiondevelopment of equipment technology under the new situation，the research on the reform of scheduled maintenanceThe general idea that transforming the time-based maintenance to the combination of time-based and condition-basedThe key problems including the reasonable determination for the maintenance classification，time，projectThe practice shows that the theoretic readiness ratio for warship in the new scheduled maintenance mode

Keywords： warship equipment；maintenance mode；technical support；reform    

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Title Author Date Type Operation

Modeling and optimization for multi-echelon spares inventory configuration with lateral transshipments

Ruan Minzhi and Liu Renyang

Journal Article

Design on system reliability optimi-zation based on the spare parts’ cost of life cycle

Shao Songshi,Li Qingmin and Li Hua

Journal Article

Managing economic and social profit of cooperative models in three-echelon reverse supply chain for waste

Jian Li, Zhen Wang, Bao Jiang

Journal Article

Bridging reliability and operations management for superior system availability: Challenges and opportunities

Journal Article

Multi-timescale optimization scheduling of interconnected data centers based on model predictive control

Journal Article

Numerical investigation of the effectiveness of effusion cooling for plane multi-layer systems with different

Dieter BOHN, Robert KREWINKEL

Journal Article

Build orientation determination of multi-feature mechanical parts in selective laser melting via multi-objective

Journal Article

Study on the planning model of warship equipment support system

Luo Zhong,Zhu Xiaojun and Zhang Zhihua

Journal Article

Optimal design analysis of a tubular heat exchanger network with extended surfaces using multi-objectiveconstructal optimization

Hassan HAJABDOLLAHI, Mohammad SHAFIEY DEHAJ, Babak MASOUMPOUR, Mohammad ATAEIZADEH

Journal Article

Hybrid optimization algorithm for modeling and management of micro grid connected system

Kallol ROY,Kamal Krishna MANDAL

Journal Article

Decision Support System for emergency scheduling of raw water supply systems with multiple sources

Qi WANG, Shuming LIU, Wenjun LIU, Zoran KAPELAN, Dragan SAVIC

Journal Article

Review of self-referenced measurement algorithms: Bridging lateral shearing interferometry and multi-probe

Dede ZHAI, Shanyong CHEN, Ziqiang YIN, Shengyi LI

Journal Article

Maintenance planning and its application in the warship maintenance practice

Zhang Wenjun,Wang Wei,Xu Wei and Wang Hui

Journal Article

Effect of cutterhead configuration on tunnel face stability during shield machine maintenance outages

Journal Article

Research and practice on the reform ofscheduled maintenance mode ofwarships

Zhu Shijian

Journal Article