We have developed a non-linear multi-objective model for optimal design of railway timetables. The objectives of the model are to maximize schedule reliability and minimize energy consumption, rolling stock and crew deployment. Metrics have been derived for each of these objectives. AHP is used...

The risks of corruption in public sector procurements are higher due to larger sizes of contracts involved. Procurement processes of Indian public organizations have gradually been strengthened over the years, under prodding of oversight bodies, to incorporate most of the methods for preventing...

This paper outlines the evolution, structure and operations of US railroads. It traces the evolution of the railroad network and the regulation framework. The current industry structure is also examined along with organization and operational characteristics. The strategies underlying the...

Operations Research is a bouquet of mathematical techniques which have evolved over the last six decades, to improve the process of business decision making. Operations Research offers tools to optimize and find the best solutions to myriad decisions that managers have to take in their day to...

Chapter 1. History of Crude Oil Refining -- Chapter 2. Operations Inside a Crude Oil Refinery -- Chapter 3. How Much Crude Oil Should an Oil Exporting Country Produce Annually for Export?- Chapter 4. Clustering Problems in Offshore Drilling of Crude Oil Wells -- Chapter 5. A Product Mix...

Typically international airports have features quite distinct from those of regional airports. We discuss the process of developing a Decision Support System, and appropriate mathematical models and algorithms to use for making gate allocation decisions at an international airport. As an...