On the truck dispatching problem

The time dependent two echelon capacitated vehicle routing problem with environmental considerations

The traditional distribution planning problem in a supply chain has often been studied mainly with a focus on economic benefits. The growing concern about the effects of anthropogenic pollutions has forced researchers and supply chain practitioners to address the socio-environmental concerns. This research study focuses on incorporating the environmental impact on route design problem. In this work, the aim is to integrate both the objectives, namely economic cost and emission cost reduction for a capacitated multi-depot green vehicle routing problem. The proposed models are a significant contribution to the field of research in green vehicle routing problem at the operational level. The formulated integer linear programming model is solved for a set of small scale instances using LINGO solver. A computationally efficient Ant Colony Optimization (ACO) based meta-heuristic is developed for solving both small scale and large scale problem instances in reasonable amount of time. For solving large scale instances, the performance of the proposed ACO based meta-heuristic is improved by integrating it with a variable neighbourhood search.

Design and development of a hybrid ant colony-variable neighbourhood search algorithm for a multi-depot green vehicle routing problem

Mathematical models for green vehicle routing problems with pickup and delivery: A case of semiconductor supply chain

A vehicle path planning method based on a dynamic traffic network that considers fuel consumption and emissions.

Distribution of goods involves massive deployment of vehicles whose emissions are a major concern for environmentalists. Factors such as speed, nature of the road, load carried and other vehicle parameters apart from the distance are known to affect the emissions as well as the consumption of fuel. Between the same pair of nodes, taking an alternative route with different lengths and velocities can result in reduced fuel consumption. Literature suggests that minimising the consumption of fuel results in reducing the emission of harmful gases and of particulate matter. We formulate a multiple-route-vehicle-routing problem to evaluate alternative routes between nodes and solve for minimising the fuel consumption. The results from trial data-sets provide insights into the impact of the solutions on the number of vehicles used, fuel consumed, distance travelled, travel time and cost. This paper provides a means of routing distribution vehicles so as to reduce their impact on the environment.

Green route planning to reduce the environmental impact of distribution

Vehicle routing problem and driver behaviour: a review and framework for analysis

Platooning for sustainable freight transportation: an adoptable practice in the near future?

Product design is increasingly becoming a critical function in many organisations having significant impact on their performance. It aims at the selection of a near-optimal mix of products and attr...

A model for planning the product portfolio and launch timings under resource constraints

PurposePorts handle a significant portion of international cargo, so the performance of ports plays a major role in the economic development of a country. This paper aims to study how port performance depends on various interdependent factors and how it requires a holistic approach, which accounts for all the necessary criteria that contribute to the overall efficiency and performance.Design/methodology/approachAn integrated fuzzy DEMATEL-TOPSIS approach with an objective to evaluate the operational capability and financial performance of the ports is proposed. A case study is presented with an analysis of the major South Indian ports to assess port operational performance and evaluate various financial ratios to assess financial performance.FindingsThrough a review of the literature and based on the inputs from experts, six criteria affecting the operational performance and six financial criteria were identified. The debt coverage ratios turned out to be the most important, while the liquidity ratios were the least important. The six operational criteria have almost similar importance. The final results indicate a consistent overall performance by the Ennore Port, except during one financial year.Practical implicationsThe proposed solution approach helps to identify and concentrate on the criteria that affect port performance. It will also help to evaluate and understand the dynamics involved in the performance of ports.Originality/valueThis work highlights the key measurable operational and financial criteria that affect the efficiency of ports. The integrated fuzzy DEMATEL-TOPSIS approach provides a better way to evaluate and benchmark port performance.

M. S. Gajanand

Papers

Green route planning to reduce the environmental impact of distribution

Vehicle routing problem and driver behaviour: a review and framework for analysis

Platooning for sustainable freight transportation: an adoptable practice in the near future?

A model for planning the product portfolio and launch timings under resource constraints

Analysis of operational and financial performance of ports: an integrated fuzzy DEMATEL-TOPSIS approach