Browsing Theses by Supervisor "Khajepour, Amir"
Now showing items 21-40 of 57
-
Integrated Vehicle Stability Control and Power Distribution Using Model Predictive Control
(University of Waterloo, 2016-07-12)There is a growing need for active safety systems to assist drivers in unfavorable driving conditions. In these conditions, the behavior of the vehicle is different than the linear response during everyday driving. Even ... -
Laser Direct Deposition of Metal Matrix Diamond Composite
(University of Waterloo, 2016-01-04)Diamond, the hardest natural material known to humankind, is an ideal candidate for cutting and wear application, however implementing diamond in tooling is not without its challenges. Consequentially, these challenges ... -
Lithium-Ion battery SOC estimation
(University of Waterloo, 2017-01-23)Lithium-ion batteries are frequently used in Hybrid electric vehicles (HEVs), which are taking the place of gas-engine vehicles. An important but not measurable quantity in HEVs is the amount of charge remaining in the ... -
Model Predictive Controller Weight Tuning and Real-Time Learning-Based Weight Selection
(University of Waterloo, 2023-04-11)A variety of control systems with specific goals are designed and utilized in every vehicle system. Optimal performance of each of these control systems is essential to keep the vehicle in a safe and desirable driving ... -
Multi-Actuated Vehicle Control and Path Planning/Tracking at Handling Limits
(University of Waterloo, 2021-03-10)The increasing requirements for vehicle safety along with the impressive progress in vehicle actuation technologies have motivated manufacturers to equip vehicles with multiple control actuations that enhance handling and ... -
Multi-axle Vehicle Modeling and Stability Control: A Reconfigurable Approach
(University of Waterloo, 2019-09-19)Multi-axle vehicles, such as trucks and buses, have been playing a vital role in trucking industry, public transportation system, and long-distance transport services. However, at the same time, statistics suggest more ... -
Multiple-Model Robust Adaptive Vehicle Motion Control
(University of Waterloo, 2019-08-28)An improvement in active safety control systems has become necessary to assist drivers in unfavorable driving conditions. In these conditions, the dynamic of the vehicle shows rather different respond to driver command. ... -
Narrow Urban Vehicles with an Integrated Suspension Tilting System: Design, Modeling, and Control
(University of Waterloo, 2018-11-20)Narrow urban vehicles are proposed to alleviate urban transportation challenges like congestion, parking, fuel consumption, and pollution. They are designed to seat one or two people in tandem, which saves space in road ... -
A New Adiabatic Compressed Air Energy Storage System: Modeling, Design, Optimization, and Experiments
(University of Waterloo, 2020-09-01)Wind farms and solar farms often face challenges in delivering consistent power output during peak demand due to the inconsistency of wind and solar resources. An adiabatic compressed air energy storage (ACAES) system based ... -
A New Regenerative Anti-Idling System for Service Vehicles: Load Identification, Optimal Power Management
(University of Waterloo, 2016-07-12)Service vehicles, such as refrigerator trucks and tour buses, are equipped with auxiliary devices, including refrigeration systems and cabin air conditioning systems, which consume significant amount of energy. The engine ... -
A Novel Universal Corner Module for Urban Electric Vehicles: Design, Prototype, and Experiment
(University of Waterloo, 2017-08-25)This thesis presents the work of creating and validating a novel corner module for a three-wheeled urban electric vehicle in the tadpole configuration. As the urban population increases, there will be a growing need for ... -
Object Segmentation and Reconstruction Using Infrastructure Sensor Nodes for Autonomous Mobility
(University of Waterloo, 2023-06-07)This thesis focuses on the Lidar point cloud processing for the infrastructure sensor node that serves as the perception system for autonomous robots with general mobility in indoor applications. Compared with typical ... -
Operational Design Domain Monitoring and Augmentation for Autonomous Driving
(University of Waterloo, 2022-12-19)Recent technological advances in Autonomous Driving Systems (ADS) show promise in increasing traffic safety. One of the critical challenges in developing ADS with higher levels of driving automation is to derive safety ... -
Optimal Anti-Idling Systems for Service Vehicles
(University of Waterloo, 2016-08-25)Vehicles are major sources of air pollution and greenhouse gas emissions, so any improvement in their fuel efficiency can have a significant impact on the environment and economy. In this study, a regenerative auxiliary ... -
Powder Spray Laser Additive Manufacturing of Zirconium
(University of Waterloo, 2016-11-29)Zirconium is commonly used in nuclear, chemical processing and biomedical applications due to its low thermal neutron cross-section, relatively high corrosion resistance and great biocompatibility. Although it is an ideal ... -
Power and Fuel Economy Optimization of Unthrottled Spark-Ignition Engines Using Highly Flexible Hydraulic Variable Valve Actuation System
(University of Waterloo, 2018-04-16)Variety of technologies along with the mechanisms for their implementations have been developed in order to pursue possible improvements in the performance and efficiency of gasoline engines. Yet, most of the commonly used ... -
Prioritized Obstacle Avoidance in Motion Planning of Autonomous Vehicles
(University of Waterloo, 2017-09-21)Driver errors are a critical factor of the majority of car crashes. Autonomous vehicles take drivers and driver errors out of the equation, so they are being developed to reduce car crashes. However, in some situations, a ... -
Real-Time Closed-Loop Control of Microstructure and Geometry in Laser Materials Processing
(University of Waterloo, 2017-12-18)Laser Materials Processing (LMP) is currently one of the fastest growing technologies of the 21st century. Different categories of this technology such as Laser Additive Manufacturing (LAM) and Laser Heat Treatment (LHT) ... -
Real-Time Monitoring of Thermal Processes
(University of Waterloo, 2023-09-27)In this research, a monitoring system for thermal processes was developed which measures the most critical process phenomena, such as thermal dynamics (peak temperature, heating rate, and cooling rate) and geometric features, ... -
Reconfigurable Integrated Control for Urban Vehicles with Different Types of Control Actuation
(University of Waterloo, 2017-12-08)Urban vehicles are designed to deal with traffic problems, air pollution, energy consumption, and parking limitations in large cities. They are smaller and narrower than conventional vehicles, and thus more susceptible to ...