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This paper aims to describe the storage constrained, inbound inventory routeing problem and presents bounds and heuristics for solutions to this problem. It also seeks to analyze various characteristics of this problem by comparing the solutions generated by the two proposed heuristics with each other and with the lower bound solutions.
[15:55, 1/15/2018] Mas Ridwan: Indonesia merupakan Negara berkembang yang sedang mengalami pertumbuhan hal ini menyebabkan peningkatan GDP yang signifikan. Target produktivitas Indonesia harus mencapai 60% untuk dapat mempertahankan nilai barang dan jasa sebesar 6% – 7%. Ketidakmerataan pertumbuhan GDP di Indonesia khususnya terjadi pada kawasan di luar pulau Jawa dikarenakan akses yang sulit…
Compares the bullwhip properties of a vendor managed inventory (VMI) supply chain with those of a traditional “serially-linked” supply chain. The emphasis of this investigation is the comparative impact the two structures have on the “bullwhip effect” generated. Particular attention is paid to the manufacturer’s production ordering activities as demonstrated using a simulation model b…
The purpose of this study is to investigate the antecedents and consequences of consumer satisfaction with the use of self-service technology (SST) in a retail setting. Design/methodology/approach – In cooperation with a survey firm, a total
Corporate governance has emerged from obscurity into being a mainstream topic which there is a need to know, as well as being incorporated into industrial and commercial training courses. There has been a plethora of reports starting in the USA and spreading to the UK, whose influence, example and model have spread throughout the world. Some main forces explaining the provenance of corporate go…
Have you ever wondered whether your business continuity plan is any good, or whether you've even got a business continuity plan? Anyone can write a simple document, call it a business continuity plan and hope for the best. But, unless you know that it will do what it is supposed to, it may be a wasted investment. This practical guide to the ISO22301 business continuity management system standar…
Item classification based on ABC-XYZ analysis is of high importance for strategic supply and inventory control. It is common to perform the analysis with past consumption data. In this context, the purpose of this study is to test the hypothesis that an integration of demand forecasts can improve the performance of item classification, in particular the performance of ABC-XYZ analysis
The purpose of this paper is to analyse the transition from measurement to management in relation to intellectual capital (IC). It aims to understand the relationships between measurement of IC and operational activities, strategies and context.
This paper summarizes the most important advances of the used crane control technology in perspective of automatic operation of container cranes. Faster and more productive container cranes demands highly efficient yard system. Storage capacity is the limitation for most terminals today; automatic operation offers optimum stacking density and peak capacity equivalent for continuous manning of e…
Specialization in shipping has been the most significant development in sea transport in recent times, driven by spectacular growth in international trade. Very large dry and liquid bulk carriers have appeared, and there has been a remarkable transition from conventional to what are termed unitized means of carriage in the general cargo trades. This has involved palletization, packaged timber…
A robust adaptive control approach is proposed for underactuated surface ship linear path-tracking control system based on the backstepping control method and Lyapunov stability theory. By employing T-S fuzzy system to approximate nonlinear uncertainties of the control system, the proposed scheme is developed by combining “dynamic surface control” (DSC) and “minimal learning parameter” …
This paper presents the implementation of ABC optimization technique to determine the optimum set of PID parameters for the LFC. The investigation is carried out on a three area interconnected reheat thermal power system with GRC. The PID controller for all three areas is tuned simultaneously using the ABC algorithm and the system response is observed. The performance of the controller is inves…
A vehicle provides transportation services between two terminals. Customers requesting services to the other terminal arrive at each of the two terminals according to independent Poisson processes. Each accepted customer brings in a random reward, and there are linear holding and transportation costs incurred by the accepted customers. Each rejected customer incurs a fixed penalty cost. The int…
To provide a model for precise logistic controlling of one-piece flow processes and for the description of the interactions between logistic performance measures. The developed method can help manufacturing enterprises to control their production processes and therewith to exploit existing rationalization potentials in their production.
Due to the existence of uncertainties and the unknown time variant environmental disturbances for ship course nonlinear control system, the ship course adaptive neural network robust course-keeping controller is designed by combining the backstepping technique. The neural networks (NNs) are employed for the compensating of the nonlinear term of the nonlinear ship course-keeping control system. …
The purpose of this paper is to examine how organizational structural factors (namely decentralization, formalization, and specialization) influence a firm's logistics service innovation capability and firm performance.
Planning inventories for emergency supplies such as bottled water, non-perishable foods, batteries, and flashlights can be challenging for retailers situated within the projected path of a severe storm. The retailer’s inventory decisions are complicated by the inherent volatility of storm forecasts and the corresponding demand predictions. The purpose of this paper is to explore both proactiv…
Following a general discussion on port pricing policies and structures the author explores the argument that price in itself provides an inadequate focus of needs and preferences of port users, especially users of container terminals, and suggests a system of input pricing related to the sale of terminal capability on a time basis.
Polarica is a company in northern Europe buying, refining and selling wild berries and other specialty foods. During the last couple of years the volume of wild berries, mostly blueberries, has increased a lot. This expansion forces Polarica to consider investments in freezing-in capacity and cold-storage capacity. A simple heuristic model was constructed, from which it was concluded that addit…
Polarica is a company in northern Europe buying, refining and selling wild berries and other specialty foods. During the last couple of years the volume of wild berries, mostly blueberries, has increased a lot. This expansion forces Polarica to consider investments in freezing-in capacity and cold-storage capacity. A simple heuristic model was constructed, from which it was concluded that addit…
The Law of Industrial Dynamics ensures that if a production control system can amplify then it will surely find a way of doing so despite the best efforts of production schedulers to take corrective action. In fact, practical studies show that such human intervention frequently aggravates the situation with both stock levels and order rates fluctuating alarmingly. The solution is to design an e…
The purpose of this paper is to describe the challenge of managing logistics at corporate level in construction industry; and to present and evaluate vendor-managed-inventory (VMI) as a potential solution for small item logistics.
Control of logistics operations at container terminals is an extremely complex task, especially if automated guided vehicles (AGVs) are employed. In AGV dispatching, the stochastic nature of the handling systems must be taken into account. For instance, handling times of quay and stacking cranes as well as release times of transportation orders are not exactly known in advance. We present a sim…
The purpose of this paper is to provide an insight into the use of an integrated approach of fuzzy analytical hierarchy process (fuzzy AHP) and TOPSIS in evaluating the performance of global third party logistics service providers for effective supply chain management.
When senior executives, middle managers and staff employees of a global shipping company and maritime industry group were questioned about corporate social responsibility (CSR), the majority of them had never heard of the term. Neither had they come across the term 3BL (triple bottom line) which refers to how a business carries out a comprehensive assessment of environmental and social performa…
We show how a seaport container terminal’s long-run average quay crane rate depends on the system that automatically assigns yard trucks to container transportation jobs in the terminal in real time. Several real-time, dual-load yard truck control systems are proposed and evaluated by a fully-integrated, discrete event simulation model of a vessel-to-vessel transshipment terminal. The model i…
The purpose of this paper is to systematically describe the key practical contributions of the theory of constraints (TOC) to outbound (distribution) logistics.
Some managers may assume that improvements in service can only be achieved by an increase in stock investment and that any stock reduction will reduce service efficiency. However, it is possible to combine a reduction in stock with an overall increase in effectiveness. Unisys found that this “win‐win” option is a viable alternative when it carried out a review of its customer service bu…
Traditionally, research into supply chain management has focused on increasing the availability of products and reducing the cost of doing so by concentrating on coordination between supply chain members. Significant improvements have been made in improving the effectiveness and efficiency of supply chains. In this paper we compare the relative costs of different supply chains for grocery produ…
The applicability of manufacturing planning and control methods differs between environments. This paper explains the fit between the planning environment and material and capacity planning on the detailed material planning and shop-floor planning levels. The study is based on a conceptual discussion and a survey of 84 Swedish manufacturing companies. Results show the use of planning methods an…