Author: Zou, Zehua
Title: Comparison of linear and non-linear adaptive bus control laws
Advisors: Gu, Weihua (EE)
Degree: M.Sc.
Year: 2020
Subject: Bus lines -- Timetables
Buses -- Speed
Stochastic control theory
Hong Kong Polytechnic University -- Dissertations
Department: Department of Electrical Engineering
Pages: vi, 34 pages : color illustrations
Language: English
Abstract: The convenience of the urban bus system has become an essential criterion for measuring the development of a city. The punctuality of buses affects people's daily commute. However, the bus system is unstable. The bunching phenomenon occurs by the natural consequence of stochastic bus motions.
To study the bus bunching problem in-depth, we must first establish a bus motion model. The established bus motion model needs to include random interference, travel time, and dwell time.
Adaptive holding control was proposed by Daganzo (2009) to eliminate bunching. It holds select buses at control points upon their arrivals. It can compensate for the deviation of arrival time and thus can reduce bunching.
This project aims to compare the control performances between linear and non-linear adaptive control methods. We also examine which operating parameters play essential roles in the control result.
Rights: All rights reserved
Access: restricted access

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