This chapter presents an approximate dynamic programming-based dynamic fleet management model that can handle random load arrivals, random travel times and multiple vehicle types. Our model decomposes the fleet management problem into a sequence of time-indexed subproblems by formulating it as a dynamic program and uses approximations of the value function. To handle random travel times, the st...

This research develops and executes a methodology for creating generic airports for fleet-level noise modeling in support of a generic framework for rapid fleet-level environmental analysis to reduce model complexity and runtime. Generic airports are comprised of generic runways, consisting of operational characteristics, and generic infrastructures, consisting of geometric characteristics. Gro...

This paper introduces the fleet size and mix pollution-routing problem which extends the pollution-routing problem by considering a heterogeneous vehicle fleet. The main objective is to minimize the sum of vehicle fixed costs and routing cost, where the latter can be defined with respect to the cost of fuel and CO2 emissions, and driver cost. Solving this problem poses several methodological ch...

A secure and private framework for inter-agent communication and coordination is developed. This allows an agent, in our case a fleet owner, to ask questions or submit queries in an encrypted fashion using semi-homomorphic encryption. The submitted query can be about the interest of the other fleet owners for using a road at a specific time of the day, for instance, for the purpose of collabora...

Crash incompatibility between disparate classes of passenger vehicles is an issue of growing global concern. There is widespread consensus, both in the U.S. and internationally, that any regulation or test procedure focusing on crash compatibility should be a globally harmonized standard. However, this may prove to be a challenging effort due to huge differences in U.S. and international fleet ...

The fleet assignment model allocates a fleet of aircraft to scheduled flight legs in an airline timetable. The robust fleet assignment model addressed in this paper utilizes a two-stage stochastic programming framework along with the Boeing concept of demand driven dispatch to assign crew-compatible aircraft in the first stage, so as to enhance the demand capturing potential of swapping in the ...

Coordinated fleet of Autonomous Underwater Gliders (AUGs) can provide significant benefit to a number of marine applications including ocean sampling, mapping, surveillance and communication. Traditional techniques for navigating underwater vehicles have been designed for single-vehicle operations and do not scale well to multi-vehicle operations and missions. In this paper a navigation system ...