Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 38 for “"regenerative braking"”.
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Hybrid electric vehicle regenerative-braking using ultracapacitors
… ultracapacitors for electric load leveling and regenerative braking is presented. Proposed sizing of an ultracapacitor system is presented and discussed based on the available energy and the nominal operating voltage from a hybrid electric vehicle transit bus; A control scheme is required to …
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Regenerative braking on bicycles to power LED safety flashers
… of the kinetic energy ordinarily lost during braking on bicycles to power LED safety flashers. The system is designed to eliminate: (a) battery changing in popular LED flashers, and (b) the "generator drag" associated with battery-less human-powered bicycle lights and flashers. System sizing, …
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Recuperation of Regenerative Braking Energy in Electric Rail Transit Systems
… are large consumers of energy. In trains with regenerative braking capability, a fraction of the energy used to power a train is regenerated during braking. This regenerated energy, if not properly captured, is typically dumped in the form of heat to avoid overvoltage. Finding a way to …
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Maximizing Energy Harvesting in Electric Vehicles through Optimal Regenerative Braking Utilization
… to improve the driving range of EVs is through regenerative braking capability which is defined as the process of recapturing the kinetic energy of the vehicle during braking and converting it to electrical energy. This unique capability of EVs is achieved by controlling the electric motor to …
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Modeling, simulation and experimental verification of an electric bicycle with regenerative braking
… mathematical modeling of electrical bicycle with regenerative breaking. Basic bondgraphs methods are discussed here to develop state space models for mechatronic systems. Abond graph based mathematical model of an electric bicycle with regeneration is developed inthis thesis. Mathematical models …
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Analysis of the benefits of Regenerative Braking in Urban Railway Traction System
… are large consumers of energy. In trains with regenerative braking capability, a fraction of the energy used to power a train is regenerated during braking. This regenerated energy, if recuperated and reused, can result in economic as well as technical merits. One of the ways that this could be …
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Rotating Inertia Impact on Propulsion and Regenerative Braking for Electric Motor Driven Vehicles
… for each component during propulsion and regenerative braking of a vehicle. This paper presents the effect of rotating inertias on the power and energy for propulsion and regenerative braking for two-wheel drive (either front or rear) and all-wheel drive (AWD) cases. On-road driving and …
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Lightweight friction brakes for a road vehicle with regenerative braking. Design analysis and experimental investigation of the potential for mass reduction of friction brakes on a passenger car with regenerative braking.
… vehicles (HVs) is their potential to recuperate braking energy. Regenerative braking (RB) will minimize duty levels on the brakes, giving advantages including extended brake rotor and friction material life and, more significantly, reduced brake mass and minimised brake pad wear. In this thesis, …
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A Quantification Analysis on Potential Use of Recuperated Regenerative Braking Energy from NYCT Subways into Charging Electric Buses
… have the capability of regenerating energy while braking. This huge rolling stock operating in a 24/7 active revenue service environment holds tremendous potential to reduce energy demand by proper capture and use of regenerative energy from braking trains.</p> <p>In New York city, bus operations …
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Application of Floating Pedal Regenerative Braking for a Rear-Wheel-Drive Parallel-Series Plug-In Hybrid Electric Vehicle with an Automatic Transmission
… hybrid vehicles are becoming ever more popular. Braking is a system on both hybrid and normal vehicles that involves a significant amount of power and energy. A hybrid can recapture some of that energy using regenerative braking. In this thesis, a method is devised to blend hydraulic and …
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Control strategies for blended braking in road vehicles. A study of control strategies for blended friction and regenerative braking in road vehicles based on maximising energy recovery while always meeting the driver demand.
… motor in the most efficient region and by using regenerative braking. Such a braking system converts, transfers, stores and reuses kinetic energy which would otherwise be dissipated as heat through friction brakes to the environment. This research investigates the control of braking for a …
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Torque Architecture For The Propulsion Supervisory Controller Of An Independent Axle All-Wheel Drive Electric Vehicle
… Similar evaluations are then performed including regenerative braking or negative torque domain. Additionally, the performance of the penalized optimal strategy (PO) for positive torques is evaluated when combined with the torque assist regenerative braking strategy, where the front motor is …
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The benefits of 4WD drive for a high-performance FSAE electric racecar
… racecars with regards to acceleration and regenerative braking. The benefits of a 4WD architecture are presented along with the tools for further optimization and understanding. The goal is to provide real, actionable information to teams deciding to pursue 4WD vehicles and quantify the …
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A DC chopper controller for a battery electric vehicle
… of operation - two modes of motoring and two of regenerative braking. From the experimental results, it was estimated that approximately 10% of the energy expended by the vehicle during motoring could be returned to the battery if regenerative braking is employed under stop-start driving …
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The electric vehicle experiment : developing the theoretical model for 2.672
… and deceleration of the vehicle, using regenerative braking as needed. The resulting model can be used to evaluate the safety and feasibility of the EVE and determine sizes of relevant testing equipment required to implement the EVE. The model showed that the EVE could work safely and be …
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Development of a powertrain control algorithm for a compound-split diesel hybrid-electric vehicle
… implementation of engine on/off functionality, regenerative braking, and electric-only drive. The research was conducted in conjunction with the university's participation in EcoCAR: The NeXt Challenge, an inter-collegiate advanced vehicle engineering competition focused on developing …
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Energy Management System of Hybrid Wayside Storage in Urban Railway Traction
… station B it could potentially reproduce some regenerative braking energy and send it back to the third rail. However, sue to operational limits, most of this energy is typically dissipates as heat.</p> <p>One method of recuperating this energy is by implementing a regenerative braking …
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Design of high performance hybrid transmissions
… traits such as low speed electric drive and regenerative braking. Alternatively, performance cars have typically utilized the electric motor functionality for increased performance. By using a new framework for analyzing the elements and their function within a propulsion system architecture, …
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