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21 – 30 of over 93000
Article
Publication date: 8 October 2019

Yingchao Wang, Chen Yang and Hanpo Hou

The purpose of this paper is to predict or even control the food safety risks during the distribution of perishable foods. Considering the food safety risks, the distribution

Abstract

Purpose

The purpose of this paper is to predict or even control the food safety risks during the distribution of perishable foods. Considering the food safety risks, the distribution route of perishable foods is reasonably arranged to further improve the efficiency of cold chain distribution and reduce distribution costs.

Design/methodology/approach

This paper uses the microbial growth model to identify a food safety risk coefficient to describe the characteristics of food safety risks that increase over time. On this basis, with the goal of minimizing distribution costs, the authors establish a vehicle routing problem with a food safety Risk coefficient and a Time Window (VRPRTW) for perishable foods. Then, the Weight-Parameter Whale Optimization Algorithm (WPWOA) which introduces inertia weight and dynamic parameter into the native whale optimization algorithm is designed for solving this model. Moreover, benchmark functions and numerical simulation are used to test the performance of the WPWOA.

Findings

Based on numerical simulation, the authors obtained the distribution path of perishable foods under the restriction of food safety risks. Moreover, the WPWOA can significantly outperform other algorithms on most of the benchmark functions, and it is faster and more robust than the native WOA and avoids premature convergence.

Originality/value

This study indicates that the established model and the algorithm are effective to control the risk of perishable food in distribution process. Besides, it extends the existing literature and can provide a theoretical basis and practical guidance for the vehicle routing problem of perishable foods.

Details

Industrial Management & Data Systems, vol. 120 no. 2
Type: Research Article
ISSN: 0263-5577

Keywords

Article
Publication date: 1 July 1991

Elizabeth Jane Moore

Developments in UK grocery distribution are reviewed; namelycentralised networks, composite networks and the increasing use of thirdparty contract distributors. Issues likely to…

Abstract

Developments in UK grocery distribution are reviewed; namely centralised networks, composite networks and the increasing use of third party contract distributors. Issues likely to affect the future development of physical distribution are also discussed, such as the quality of operations, customer service improvements through utilisation of information technology, the “greening” demands likely to be encountered and the opportunity for UK distribution companies to expand their services throughout Europe. The major conclusions are found to be that UK grocery distribution is highly developed; centralised, composite systems are in place either operated in‐house by the user or contracted out to third party distribution companies. Quality, service and greening issues are likely to become the tools operators will use to gain competitive advantage in this highly competitive marketplace both in the UK and throughout Europe.

Details

International Journal of Retail & Distribution Management, vol. 19 no. 7
Type: Research Article
ISSN: 0959-0552

Keywords

Article
Publication date: 22 May 2007

Anna Tanskanen, Ari Jantunen, Juha‐Matti Saksa, Jarmo Partanen and Jukka Bergman

The purpose of this paper is to shed light on the governance choices of firms operating in the electricity distribution network operation activities. The study aims to consider…

Abstract

Purpose

The purpose of this paper is to shed light on the governance choices of firms operating in the electricity distribution network operation activities. The study aims to consider both costs and benefits of different governance choices and to examine which of the activities could be outsourced and which it is preferable to keep in‐house. The study makes a distinction between the electricity retail services and electricity distribution network activities and focuses solely on the network business.

Design/methodology/approach

The study is based on a four‐staged process and utilizes the extended transaction cost economics as a theoretical framework. The research design includes in‐depth interviews with ten managers and CEOs of Finnish electrical utilities, analysis and interpretation of findings and verification of results by electricity network business experts.

Findings

The extended transactional cost economics theoretical framework and research design support analysis of governance structures and make‐or‐buy decisions. The findings demonstrate that the activities of the companies operating in the electricity distribution business differ in terms of potential long‐term efficiency effects when sourced from the market or made in‐house. The determinants of the governance choice depend partly on the nature and strategic importance of the activity in question. Operations management seems to be a function to be kept in‐house in the current market situation, whereas there are clear potential benefits that can be obtained by outsourcing field work activities. The results related to the governance of control room activities are more complicated.

Originality/value

This study brings not only the transaction costs but also the benefit‐side and the dynamic aspects of boundary choices under assessment.

Details

International Journal of Energy Sector Management, vol. 1 no. 4
Type: Research Article
ISSN: 1750-6220

Keywords

Article
Publication date: 1 January 1984

Howard M. Armitage

Three separate but related streams of productivity research have recently appeared in the accounting and distribution literature. One stream has been concerned with the conceptual…

Abstract

Three separate but related streams of productivity research have recently appeared in the accounting and distribution literature. One stream has been concerned with the conceptual approach to developing productivity measurement systems. A second stream has argued that accounting‐oriented information systems have been ineffective in meeting the productivity reporting requirements of the marketing and distribution functions. The third stream has applied the conceptual approaches of the first stream to the problems cited in the second to produce a more effective distribution productivity measurement and reporting system. This article is a continuation of the third line of research. Specifically, the article describes a methodology for measuring productivity changes in distribution with the use of specific management accounting tools.

Details

International Journal of Physical Distribution & Materials Management, vol. 14 no. 1
Type: Research Article
ISSN: 0269-8218

Article
Publication date: 1 May 1977

Jeremy Davis

This paper is concerned with the application of systems analysis to problems of physical distribution. The principles of systems analysis and the concepts of the systems approach…

Abstract

This paper is concerned with the application of systems analysis to problems of physical distribution. The principles of systems analysis and the concepts of the systems approach are outlined. Physical distribution is described as a set of major subsystems. The objective of this analysis is to provide a generalised framework for the solution of physical distribution problems. It may be noted that in the United Kingdom, systems analysis has come to be used in a narrower sense and to be concerned primarily with the design and specification of computer systems. In this paper, it is used in the wider sense, and for an appreciation the reader's attention is drawn to collections of papers by Emery, Opfner and Beishon and Peters. The use of a problem solving methodology is not unique to systems analysis except in the sense that systems analysis defines a particular process of problem solution. Similar processes are used in industrial engineering, method study, operational research, value analysis and management accounting. Other analyses of physical distribution systems are equally valid. That presented in this paper identifies a series of distribution units in the chain of distribution. It seeks to define the subsystems within each unit. The approach relies heavily on a series of diagrams which is intended to give a visual image of the relationships between elements in the chain.

Details

International Journal of Physical Distribution, vol. 8 no. 2
Type: Research Article
ISSN: 0020-7527

Case study
Publication date: 15 November 2019

Abdul Rehman Shaikh and Asad Ali Qazi

Learning outcomes are as follows: to understand the influence of external factors in operations planning; to understand the importance of contingency planning in new initiatives;…

Abstract

Learning outcomes

Learning outcomes are as follows: to understand the influence of external factors in operations planning; to understand the importance of contingency planning in new initiatives; to analyze financial and non-financial gains of the new project; to analyze and visualize the unexpected challenges in post-implementation of project; and to critically analyze the ethical consideration in decision-making.

Case overview/synopsis

After joining A to Zee Distribution, Shaikh had brought up several improvements to distribution operations and had suggested various cost-saving initiatives. He had also developed and implemented the distribution KPIs for the first time in the organization. One of the recent initiatives that he took was the start of a new project named ‘Bike Wala’. This project not only increased the market base for A to Zee but also significantly reduced their operations expenses. However, after around two months of the project, the delivery officers reported several incidents and accidents. These accidents included several injuries due to unbalancing bikes and excess load/weight in delivery boxes. The owner has asked Shaikh to close the project on humanitarian grounds and revert back to delivery vans. However, Shaikh is confused and willing for the project to continue. Shaikh had to choose from either his own career and initiative or safety and security of employees and the company’s assets.

Complexity academic level

BBA and MBA.

Supplementary materials

Teaching Notes are available for educators only. Please contact your library to gain login details or email support@emeraldinsight.com to request teaching notes.

Subject Code

CSS 9: Operations and Logistics.

Details

Emerald Emerging Markets Case Studies, vol. 9 no. 3
Type: Case Study
ISSN: 2045-0621

Keywords

Article
Publication date: 5 April 2022

Mauro Vivaldini

This study discusses the influence of logistical immediacy on logistics service providers' (LSPs’) business. Specifically, its role in the face of the emerging business scenario…

1034

Abstract

Purpose

This study discusses the influence of logistical immediacy on logistics service providers' (LSPs’) business. Specifically, its role in the face of the emerging business scenario (e-commerce, disruptive technologies, and new models of logistical services) is examined.

Design/methodology/approach

As logistical immediacy is a nascent topic, this study utilizes a systematic literature review focusing on academic articles from the last five years related to logistical outsourcing to understand the changes imposed by logistical immediacy on LSPs.

Findings

The impact of transformations arising from an increasingly digital virtual world (DVW) on LSPs is contextualized. A theoretical view of the factors affecting LSPs' shift towards more immediate operations is presented, and how logistical immediacy impacts LSPs is discussed. Finally, a research agenda is presented as the study's main contribution.

Research limitations/implications

Due to the timeframe chosen, the restriction to a single database (Scopus), the specific search terms used related to LSPs, and limiting the search parameters to operations management, some relevant work may have been overlooked.

Practical implications

The article help LSPs' and contracting companies' managers to understand the influence of the immediacy expected in logistics operations. Possible logistics services trends and how they may impact companies are discussed.

Originality/value

This is one of the first articles in the area of operations and supply chains that addresses the issue of logistical immediacy and its impact on LSPs.

Details

Benchmarking: An International Journal, vol. 30 no. 3
Type: Research Article
ISSN: 1463-5771

Keywords

Article
Publication date: 14 April 2020

Yu Yan, Wei Jiang, Dehua Zou, Wusheng Quan, Hong Jun Li, YunFei Lei and Zhan fan Zhou

In the long-term network operation, the power distribution network will be subjected to the effects of ultra-high voltage, strong electromagnetic interference and harsh natural…

Abstract

Purpose

In the long-term network operation, the power distribution network will be subjected to the effects of ultra-high voltage, strong electromagnetic interference and harsh natural environment on the power system, which will lead to the occurrence of different faults in the distribution network and directly affect the normal operation of the power grid.

Design/methodology/approach

The purpose of this study is to solve the problems of labor intensity, high risk and low efficiency of distribution network manual maintenance operation, this paper proposed a new configuration of the live working robot for distribution network maintenance, the robot is equipped with dual working arms through the mobile platform, which can realize the coordination movement, the autonomous reorganization and replacement of the end tools, respectively, so as the robot power distribution maintenance function such as stripping, trimming, wiring and the operation control problem of the distribution network-robot with small arms and in small operation space can be realized.

Findings

To effective elimination or reduce the adverse effects of the internal forces in the closed chain between the working object and manipulator under the typical task of the 10 kV distribution network, this paper has established the robot coordinated control dynamics model in the closed-chain between the dual-working object and proposed the dynamic distribution method of closed-chain internal force and the effectiveness has been proved by simulation experiments and 10 kV field operation.

Originality/value

The force-position hybrid control can realize the mutual compensation of force and position so as to effectively reduce the internal force in the closed chain. Finally, the engineering practicality of the method is verified by field operation experiment, the effective implementation of this control method greatly improves the robot working efficiency and the operation reliability, the promotion and application of the control method have great theoretical and practical value and maintenance management system, so as to achieve automation of electric.

Details

Industrial Robot: the international journal of robotics research and application, vol. 47 no. 3
Type: Research Article
ISSN: 0143-991X

Keywords

Article
Publication date: 16 May 2009

Ioannis Manikas and Leon A. Terry

The aim of this research is to evaluate the current operational status of fresh produce distribution centres in the UK and identify the nature and magnitude of the main logistical…

2630

Abstract

Purpose

The aim of this research is to evaluate the current operational status of fresh produce distribution centres in the UK and identify the nature and magnitude of the main logistical problems within them.

Design/methodology/approach

A critical evaluation of space and time utilization efficiency has been achieved by studying on‐site operations in a multiple produce handling and short‐term storage facility in Kent, UK. The objective of this research was to measure operational performance of distribution centres for agricultural perishables in terms of through‐put and space utilization.

Findings

The inefficient utilization of storage space within cold rooms has been identified and quantified accurately, whilst the quality control task has been recognized as the most time‐consuming task and a critical cause for hindering product flow.

Practical implications

Despite their importance, distribution centres for fresh fruit and vegetables have received little attention in the distribution and performance management literature. Given the lack of robust performance measurement systems reported, the measurement of operational performance in distribution centres for agricultural products was a challenge.

Originality/value

The measurement and improvement of the operational performance in each linkage of the fresh produce supply chain – such as a distribution centre – can lead in achieving higher levels of service at substantially reduced costs. A small number of publications are found in the literature providing information on physical distribution of agricultural perishables, and how the key features of perishability and voluminosity of the produce affect the distribution efficiency. In this research, a step towards the improvement of the fresh produce distribution industry operational performance has been attempted, by evaluating the current operational status of a leading multiple produce distribution centre in the UK.

Details

British Food Journal, vol. 111 no. 5
Type: Research Article
ISSN: 0007-070X

Keywords

Article
Publication date: 8 February 2011

Anna Corinna Cagliano, Alberto DeMarco, Carlo Rafele and Sergio Volpe

The purpose of this paper is to present an analysis of how different sourcing policies and resource usage affect the operational performance dynamics of warehouse processes.

10975

Abstract

Purpose

The purpose of this paper is to present an analysis of how different sourcing policies and resource usage affect the operational performance dynamics of warehouse processes.

Design/methodology/approach

The system dynamics (SD) methodology is used to model warehouse operations at the distribution centre of a leading fast‐fashion vertical retailer. This case study includes a detailed analysis of the relationships between the flow of items through the warehouse, the assignment of staff, the inventory management policy, and the order processing tasks.

Findings

Case scenario simulations are provided to define warehouse policies enabling increased efficiency, cost savings, reduced inventory, and shorter lead‐times.

Practical implications

The case study reaffirms that a flexible usage of human resources, outsourcing of selected warehouse operations, and sourcing from reliable manufacturers may result in important performance improvements for centralised warehousing.

Originality/value

It is proved that SD is a valuable tool in the field of operations management, not only to support strategic evaluations but also to execute a detailed analysis of logistical processes and make scenario‐based dynamic decisions at the operational level.

Details

Journal of Manufacturing Technology Management, vol. 22 no. 2
Type: Research Article
ISSN: 1741-038X

Keywords

21 – 30 of over 93000