PhD Seminar: Strategic Trip Planning: Striking a Balance Between Competition and CooperationExport this event to calendar

Wednesday, November 29, 2017 — 11:00 AM EST

Candidate: Haitham Masaud Amar

Title: Strategic Trip Planning: Striking a Balance Between Competition and Cooperation

Date: November 29, 2017

Time: 11:00 AM

Place: E5 4106-4128

Supervisor(s): Basir, Otman

Abstract:

In intelligent transportation systems, cooperative mobility planning is considered to be one of the challenging problems. Mobility planning as it stands today is an individual decision-making effort that takes place in an environment governed by the collective actions of various competing travellers. Despite the extensive research on mobility planning, a situation in which multiple behavioural-driven travellers participate in a cooperative endeavour to help each other optimize their objectives has not been investigated. Furthermore, due to the inherent multi-participant nature of the mobility problem, the existing solutions fail to produce ground truth optimal mobility plans in the practical sense - despite their claimed and well proven theoretical optimality.

We propose a multi-module team mobility planning framework to address the team trip planning problem with a particular emphasis on modelling the interaction between behaviour-driven rational travellers. The framework accommodates the travellers’ individual behaviours, preferences, and goals in cooperative and competitive scenarios. The individual behaviours of the
travellers and their interaction processes are viewed as a team trip planning game. For this game, a theoretical analysis is presented, which includes an analysis of the existence and the balancedness of the final solution.

The proposed framework is composed of three principal modules: cooperative trip planning, team formation, and traveller-centric trip planning (TCTP). The cooperative trip planning module deploys a bargaining model to manage conflicts between the travellers that could occur in their endeavour to discover a general, satisfactory solution. The number of players and their interaction process is controlled by the team formation module. The TCTP module adopts an alternative perspective to the individualized trip-planning problem in the sense that it is being behavioural driven problem. This allows for multitudes of traveler centric objectives and constraints, as well as aspects of the environment as they pertain to the traveller’s preferences, to be incorporated in the process. Within the scope of the team mobility planning framework, the TCTP is utilized to supply the travellers with personalized strategies that are incorporated in the cooperative game. The concentration problem is used in this thesis to demonstrate the effectiveness of the TCTP module as a behavioural-driven trip planner. Finally, to validate the theoretical set-up of the team trip planning game, we introduce the territory sharing problem for social taxis. We use the team mobility framework as a basis to solve the problem. Furthermore, we present an argument for the convergence and the efficiency of a coarse correlated equilibrium. In addition to the validation of a variety of theoretical concepts, the territory sharing problem is used to demonstrate the applicability of the proposed framework in dealing with cooperative mobility planning problems.

Location 
E5 - Engineering 5
4106-4128
200 University Avenue West

Kitchener, ON N2L 3G1
Canada

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