سیدمحمد سیدحسینی

[ 1 ] - مسائل مکان‌یابی- مسیریابی: مروری بر مفاهیم، مدل‌ها، روش‌های حل، کاربردها و شکاف‌های تحقیقاتی

مسئلۀ مکان‌یابی- مسیریابی، شاخه‌ای از مسئلۀ مکان‌یابی است که به جنبه‌های مسیریابی نیز توجه دارد. اگرچه ایدۀ اولیه حل هم‌زمان این دو مسئله، از سال 1961 آغاز شد و تاکنون پژوهش­های زیادی درمورد آن انجام شده است، مروری جامع بر ادبیات مسئله در این پژوهش، شکاف‌های تحقیقاتی زیادی را در این زمینه مشخص کرده است که نشانگر ظرفیت این مسئله در انجام­گرفتن پژوهش­های جدید است. در مقالۀ حاضر، 303 تحقیق مرتبط چ...

[ 2 ] - Dynamic Competitive Supply Chain Network Design with Price Dependent Demand and Huff Utility Function

This paper develops a two-stage model to consider a franchise/franchisee environment in which supply chains are simultaneously entering the untapped market to produce either identical or highly substitutable products and give franchise to franchisees. Customer demand is elastic, price dependent and customer utility function is based on Huff gravity rule model. The supply chains, in the first st...

[ 3 ] - Simultaneous Decentralized Competitive Supply Chain Network Design under Oligopoly Competition

This paper discusses a problem in which  decentralized supply chains enter the market simultaneously with no existing rival chains, shape the supply chains’ networks, and set wholesale and retail prices in a noncooperative manner. All the chains produce either identical or highly substitutable products. Customer demand is elastic and price-dependent. A three-step algorithm is proposed to solve ...

[ 4 ] - Centralized Supply Chain Network Ddesign: Monopoly, Duopoly, and Ooligopoly Competitions under Uncertainty

This paper presents a competitive supply chain network design problem in which one, two, or three supply chains are planning to enter the price-dependent markets simultaneously in uncertain environments and decide to set the prices and shape their networks. The chains produce competitive products either identical or highly substitutable. Fuzzy multi-level mixed integer programming is used to mo...

[ 5 ] - An Inventory Routing Problem for Perishable Products with Stochastic Demands and Direct Deliveries

In any supply chain, distribution planning of products is of great importance to managers. With effective and flexible distribution planning, mangers can increase the efficiency of time, place, and delivery utility of whole supply chain. In this paper, inventory routing problem (IRP) is applied to distribution planning of perishable products in a supply chain. The studied supply chain is compos...

[ 6 ] - الگوی انتقال تکنولوژی با رویکرد آینده پژوهی درصنعت حمل و نقل ریلی (تحقیق موردی: قطار سریع السیر)

در حال حاضر قرار گرفتن ایران در مسیر کریدورهای بین المللی، میزان تلفات جاده های ایران و بروز موضوعات زیست محیطی و مسأله انرژی، توسعه حمل و نقل و آینده پژوهی در آن را از ضروریات اولیه ساخته است. هدف از این پژوهش، شناسایی عوامل موثر وارائه الگوی انتقال تکنولوژی قطار سریع السیر با رویکردی آینده پژوهانه می باشد. گردآوری داده­ها از روش مطالعات کتابخانه ای و مطالعات میدانی صورت گرفته است. که پس از طی...

[ 7 ] - طراحی مدلی پایدار در مسائل مکان‌یابی هاب سلسله‌‌مراتبی در شبکه حمل‌ونقل چندوجهی با در نظر گرفتن اثر اختلال (عامدانه و غیرعامدانه)

در یک شبکه حمل‌ونقل عمومی (هوایی–زمینی)، هدف اصلی انتقال مسافر از مبدأ به مقصد و توجه به اهمیت خدمت‌‌رسانی است. در نظر گرفتن انواع مختلف وسیله حمل‌ونقل و به دنبال آن افزایش خدمت‌‌رسانی (تنوع خدمات)، یکی از مسائل مهم و اساسی در سیستم‌‌های مکان‌‌یابی هاب سلسله‌‌مراتبی است. همچنین بررسی اثر اختلال (عامدانه و غیرعامدانه)، تغییرات دامنه ارتباطات در شبکه توزیع، مکان‌‌یابی‌‌ها و تخصیص‌‌های مجدد و طراح...

[ 8 ] - مدل سرایت تلاطم همبستگی شرطی ثابت با حافظه بلندمدت شواهدی از بازار سهام تهران و دبی

با گسترش فرآیند جهانی­شدن، نه تنها بازارهای مالی کشورهای توسعه­یافته بلکه بازارهای مالی کشورهای در حال توسعه نیز از یکدیگر تاثیر می­پذیرند. این شرایط باعث می­شود سرمایه­گذارانی که سعی در متنوع ساختن دارایی­های خود در بازارهای خارجی دارند به ارتباطات میان بازارهای سهام توجه نمایند. این واقعیت می­تواند حاکی از آن باشد که یک رابطه تعادلی میان بازارهای مالی وجود دارد. نوسان قیمت نفت در بازارهای جها...

[ 9 ] - Multiperiod Portfolio Selection with Different Rates for Borrowing and Lending in Presence of Transaction Costs

Portfolio management is one of the most important areas of research in financial engineering. This paper is concerned with multi period decision problem for financial asset allocation when the rate of borrowing is greater than the rate of lending. Transaction costs as a source of concern for portfolio managers is also considered in this paper. The proposed method of this paper is formulated in ...

[ 10 ] - NEW CONCEPT IN LEANNESS DEVELOPMENT AND ASSESSMENT IN PLANT LIFE CYCLE (PLC)

At the last decade of the 20th century, Womack et. Al introduced Lean concept to the industrial world. Since 1990 up to now, existed studies mostly have focused on lean production in the step of manufacturing, but in this research leanness concept has developed in the plant life cycle. In this paper leanness concept will be described as elimination of wastes in the phases of investment, plant d...

[ 11 ] - Application of Chaos Theory in Hazardous Material Transportation

Risk factors are generally defined and assigned to road networks, as constant measures in hazmat routing problems. In fact, they may be dynamic variables depending on traffic volume, weather and road condition, and drivers' behavior. In this research work, risk factors are defined as dynamic variables using the concept of chaos theory. The largest Lyapunov exponent is utilized to determine the ...

[ 12 ] - A decentralized multi-level leader-follower game for network design of a competitive supply chain

This paper develops a decentralized leader-follower game for network design of a competitive supply chain problem in which a new chain as the leader enters a market with one existing supply chain as a follower. Both chains produce an identical product, customer demand is inelastic and customer utility function is based on Huff gravity-based model. The leader wants to shape his network and set a...

[ 13 ] - Coordination and profit sharing in a two-level supply chain under periodic review inventory policy with delay in payments contract

In this paper,a coordination model has been investigated for a two-level supply chain (SC) consisting of one retailer and one supplier under periodic review inventory system. The review period and the retailer’s safety factorare assumed to be decision variables. The retailer faces stochastic demand following a normal distribution with known mean and variance. Moreover, it is assumed that unmet ...

[ 14 ] - Hierarchical Facility Location and Hub Network Problems: A literature review

In this paper, a complete review of published researches about hierarchical facility location and hub network problems is presented. Hierarchical network is a system where facilities with different service levels interact in a top-down way or vice versa. In Hierarchical systems, service levels are composed of different facilities. Published papers from (1970) to (2015) have been studied and a c...

[ 15 ] - طراحی مدل مکان‌یابی-موجودی محصولات فسادپذیر در زنجیره تأمین جهانی

[ 16 ] - طراحی الگوی چابکی در فرآیند توسعه محصول جدید با استفاده از مدل تحلیل مسیر در صنایع خودروسازی ایران

The new product development process has not been more challenging than it is today. Change in customers’ needs, pressure of global competition, and fragmentation of markets into smaller segments, rapid and never- ending changes in technological aspects and flexible production, force the NPD teams to introduce new products to their markets as rapidly as possible and reduce its cost with the high...

[ 17 ] - ارائه مدل چندهدفه برای مسئله مکان‌یابی ـ مسیریابی ـ موجودی در شبکه زنجیره تأمین حلقه بسته سبز چنددوره‌ای و چندمحصولی برای کالاهای فاسدشدنی

هدف: در سه دهه اخیر، مفهوم یکپارچگی تصمیم‌گیری در زنجیره تأمین به یکی از مهم‌ترین ابعاد مدیریت زنجیره تأمین تبدیل شده است. این مفهوم به بررسی وابستگی میان مکان تسهیلات، تخصیص جریان بین تسهیلات، ساختار سیستم حمل‌ونقل و سیستم کنترل موجودی می‌پردازد. این مقاله صورت جدیدی از مسئله مکان‌یابی ـ مسیریابی ـ موجودی را در یک شبکه زنجیره تأمین حلقه ‌بسته برای محصولات فاسدشدنی با در نظر گرفتن ملاحظات زیست‌...

[ 18 ] - Mathematical Programming Approach To Allocate Local Or National Resources For Bridge Maintenance Rehabilitation & Replacement Planning (RESEARCH NOTE)

Today’s, the transportation facilities such as terminals, street, bridge, etc, represent the major investment in highway network. Every year tremendous resources should be invested to maintain these facilities. Among them, the Bridge Management System (B.M.S.) has been necessitated by large imbalance between extensive bridge repair and maintenance needs and limited available budget. So the main...

[ 19 ] - The Neural Network Modeling Approach for Long Range Expansion Policy of Power Plant Ccenters

Traditionally, Electrical power plant capacities are determined after specific plant locations have been selected. In this paper an expansion policy of power plant centers involving the choice of regions that must be allocated to power plant centers and power plant centers capacities over a specified planning horizon (years) is tackled. The problem is performed as a mixed integerprogramming mod...

[ 20 ] - Economic and Effectiveness Evaluation Analysis of Some Resource Allocation Procedures

Review of theoretical models for cost-effectiveness and of procedures currently being used by different levels of decision makers to evaluate the projects or alternatives is the main objective of this article. To come to some conclusion that which theoretical model would be more effective to be applied for allocating the limited resources among different projects. the performance evaluation pro...

[ 21 ] - بهینه‌سازی فواصل بازرسی در افق زمانی محدود برای یک سیستم دومؤلفه‌یی با دو نوع خرابی

در این مقاله، یک سیستم دومؤلفه‌یی بررسی می‌شود. خرابی مؤلفه‌ی اول پنهان است؛ یعنی باعث توقف سیستم نمی‌شود. ولی هزینه‌های عملیاتی را افزایش می‌دهد. مؤلفه‌ی دوم دارای سه وضعیت است: سالم، معیوب و خراب. وضعیت خراب، آشکار و باعث توقف سیستم می‌شود. وقوع عیب و خرابی آشکار مؤلفه‌ی دوم باعث ایجاد شوک روی مؤلفه‌ی اول می‌شود و نرخ خرابی آن را افزایش می‌دهد. سیستم طبق سیاست بازرسی دوره‌یی برای شناسایی خرا...

[ 22 ] - Multi-objective Optimization of Multi-vehicle Relief Logistics Considering Satisfaction Levels under Uncertainty

Today, there is a high number of injuries and various wastes and debris produced during natural and unnatural events. This study aims to investigate the reverse logistics planning problem in the response and reaction phases as well as improvement and reconstruction in earthquake conditions by using a real case study. Regarding the high complexity of this type of optimization problem, a multi-ob...

[ 23 ] - ارائه یک چارچوب مفهومی برای مدیریت سبد پروژه‌های نوآوری باز در شرکت‌های فناوری اطلاعات و ارتباطات

در سالیان اخیر مطالعات زیادی در سطح بنگاه جهت بهره‌برداری بیشتر از مزایا و کنترل چالش‌های نوآوری باز صورت پذیرفته است. مطالعه مدیریت سبد پروژه‌های نوآوری باز جهت ایجاد یکپارچگی در سطح پروژه و بنگاه مورد نیاز است. اما تحقیقات در سطح پروژه و سبد پروژه اندک بوده است. در این پژوهش با استفاده از مبانی نظری پیشین، روش مطالعه چندموردی در ۱۰ شرکت فناوری اطلاعات و ارتباطات، بهره‌برداری از روش تحلیل محتو...

[ 24 ] - An Extension to the Economic Production Quantity Problem with Deteriorating Products Considering Random Machine Breakdown and Stochastic Repair Time

The recent advances in manufacturing systems motivate several studies to focus on Economic Production Quantity (EPQ) problem. Althuogh there are several extentions to the EPQ, this paper provides a new extension by considering some of the real world parameters like: (a) shortages in the form of partial backordering, (b) inventory can deteriorate stochastically, (c) machine can break down stocha...

[ 25 ] - Optimization of rotor shaft shrink fit method for motor using “Robust design”

This research is collaborative investigation with the general-purpose motor manufacturer. To review construction method in production process, we applied the parameter design method of quality engineering and tried to approach the optimization of construction method. Conventionally, press-fitting method has been adopted in process of fitting rotor core and shaft which is main component of motor...

[ 26 ] - Models, solution, methods and their applicability of dynamic location problems (DLPs) (a gap analysis for further research)

Determining the best location to be profitable for the facility’s lifetime is the important decision of public and private firms, so this is why discussion about dynamic location problems (DLPs) is a critical significance. This paper presented a comprehensive review from 1968 up to most recent on published researches about DLPs and classified them into two parts. First, mathematical models deve...

[ 27 ] - Online Fault Detection and Isolation Method Based on Belief Rule Base for Industrial Gas Turbines

Real time and accurate fault detection has attracted an increasing attention with a growing demand for higher operational efficiency and safety of industrial gas turbines as complex engineering systems. Current methods based on condition monitoring data have drawbacks in using both expert knowledge and quantitative information for detecting faults. On account of this reason, this paper proposes...