To optimize the utilization of a T-type bridge structure in resonant converters, one must thoroughly examine the soft-switching criteria specific to the T-type configuration. This work proposes an energy-based method…

T-type primary bridge-based resonant converters employed in unfolding-based single-stage ac–dc conversion systems commonly adopt a leading-edge aligned modulation strategy, as it facilitates zero-voltage switching (ZVS) throughout the grid cycle. However,…

Persistent cold air pools (PCAP), also referred to colloquially as inversions, are responsible for some of the greatest enhancements in air pollution in Utah’s Wasatch Front. PCAPs, which can last…

Decarbonizing the United States transportation sector has emerged as a critical objective to combat climate change due to its high greenhouse gas emissions, largely from light-duty vehicles. This study assesses…

Historically, practitioners and researchers have used selected count station data and survey-based methods along with demand modeling to forecast vehicle miles traveled (VMT). While these methods may suffer from self-reporting…

Electric vehicles (EVs) are considered a promising solution for climate change. However, their introduction has raised uncertainties in transportation equity, reflecting the diverse public perceptions and discussions on this issue.…

As electric vehicle adoption increases, charging stations will face greater demand and have greater energy needs. This paper outlines a system for reserving electric vehicle charging, using a reservation called…

This paper investigates the soft-switching range of a three-level T-type primary bridge-based dual active bridge series resonant converter, employing a leading-edge modulation technique. A closed-form solution for the zero voltage…

Unfolding-based single-stage ac-dc converters offer benefits in terms of efficiency and power density due to the low-frequency operation of the Unfolder, resulting in negligible switching losses. However, the operation of…

South Florida is famous for its diverse cultural scene and year-round sunshine. This success, however, has not been without its consequences. While the region enjoys economic prosperity, the hidden cost…

The seamless adoption of electric vehicles (EVs) in the United States necessitates the development of extensive and effective charging infrastructure. Various charging systems have been proposed, including Direct Current Fast…

A significant challenge of adopting battery electric buses into fleets lies in scheduling the charging, which in turn is complicated by considerations such as timing constraints imposed by routes, long…

The embedment of dynamic wireless power transfer (DWPT) components into pavements for the dynamic and wireless powering of electric vehicles (EVs) has gained increasing research attention in recent years. However,…

Pavement-integrated dynamic wireless power transfer (DWPT) can deliver electrical power to electric vehicles (EVs) as they transverse the roadway. However, a thorough investigation is needed to assess the mechanical behavior…

In partnership with INDOT, Purdue University constructed two small-scale power transfer pavement sections at the Accelerated Pavement Testing (APT) facility in Spring 2021 to assess construction procedures and analyze the…

Considering the challenges hindering the widespread adoption of electric vehicles (EVs) and heavy-duty electric vehicles (HDEVs), the integration of dynamic wireless power transfer (DWPT) technology into roadways has gained interest.…

Despite the increasing interest in embedding inductive wireless power transfer technology into pavements to power electric vehicles, limited research has been conducted on the mechanical behavior of such pavements under…

This study presents a comprehensive analysis of electric vehicle (EV) charging scheduling at Harry Reid International Airport parking, employing a Mixed-Integer Linear Programming (MILP) based charge allocation algorithm alongside a…

As the adoption of Electric Vehicles (EVs) continues to increase worldwide, the efficient management of EV charging schedules appears as a crucial challenge. This paper proposes a two-stage optimization approach…

Theory-building activities are a powerful context for eliciting and building on student ideas. We present an approach to structuring responsive teaching in the context of theory-building activities, which is designed…

Education reform is pushing teachers to teach in ways that are unfamiliar and which present challenges. One approach to helping teachers build comfort and capacity for implementing new and innovative…

STEM is a social construct that has privileged the academic experiences of wealthy White males as the standard. To expand the definition of STEM, I argue for use of an…

The Next Generation Science Standards promote students’ engagement in authentic science practices, including theory-building practices such as modeling and explanation. The role of teachers in NGSS-aligned classrooms includes devising strategies…

Dynamic wireless power transfer (DWPT) systems for electric vehicles can benefit significantly from the use of secondary active rectifiers by adding useful features such as bidirectional power flow, output power…

With the growing need of electrifying the transportation industry, high-power electric vehicle (EV) charging stations will play an instrumental role. This study focuses on passive thermal management designs using phase…

Promotional strategies for electric vehicle (EV) adoption need to be tailored to the public’s perception of these vehicles. However, there is a notable gap in understanding how public perception of…

Electric vehicles have gained significant popularity in the market, with sales increasing yearly. The introduction of new policies and reforms aimed at promoting environmental sustainability, coupled with the release of…

Electrification of the transportation sector has grown substantially over recent years, though much remains unclear regarding the continued trajectory of electric vehicle (EV) adoption and its influencing factors. The impacts…

As the country moves toward electric vehicles (EV), the United States is in the process of investing over USD 7.5 billion in EV charging stations, and Indiana has been allocated $100…

The National Household Travel Survey (NHTS), conducted by the Federal Highway Administration, has historically been used for documenting personal mobility trends. Current techniques using surveys to collect this data are…

The adverse effects of greenhouse gas emissions in electric generation have resulted in a push towards more sustainable and efficient systems. In order to address the environmental concerns that continue…

Wireless inductive power transfer (IPT) is being widely used for applications ranging from phone charging, implantable medical devices to electric vehicle charging. One challenge associated with IPT systems is misalignment…

This paper introduces a single-stage grid-tied ac-dc conversion system designed for wireless charging applications. The proposed system employs a T-type converter to process soft dc-link voltages that are generated by…

Energy Management Systems (EMS) for extensivefacilities often experience significant unplanned loads from elec-tric vehicle (EV) operators connected to Electric Vehicle SupplyEquipment (EVSE). Facility EMS often statically curtails theinstalled EVSE units…

It is widely recognized that electric vehicle (EV) users get frustrated by the limited range of EVs, slow charging, and limited charging facilities available in the vicinity of their journey…

Multiple parameters with large nonlinear characteristics must be considered simultaneously to design the coil dimensions of static inductive power transfer (SIPT) systems. The design of dynamic inductive power transfer (DIPT)…

Generative Neural Networks (GNN) have demonstrated remarkable power in creating novel graphic design images from text-to-image training. This work applies GNNs to design dynamic inductive power transfer systems to make…

A wide variety of location and scale estimators have been developed for light-tailed distributions such as Gaussian. Despite the ubiquitousness and importance of heavy-tailed distributions in many business, finance, cybersecurity…

The widespread adoption of electric vehicles (EVs) is raising attention to the impact of EV charging on grid health conditions, as increasing public EV charging loads are being added to…

An investigation is presented into the application of active life balancing battery management systems to recondition inhomogeneous Li-ion battery packs and achieve homogeneity in capacity for second life. This paper…

An innovative architecture is presented that combines energy-dense and power-dense battery packs through a supercapacitor that provides capacitive coupling and a low-power DC-DC converter that provides energy balancing. A sizing…

In this paper, a comprehensive analysis is performed of ac input current distortion in 3-ϕ unfolding-based ac-dc converters. The source of current distortion, which occurs at the mains voltage sector…

Interfacing low voltage dc to medium voltage three-phase ac grid is often based on series-stackable modular converter architectures. To minimize energy storage requirements, it is advantageous to employ a quadruple…

As the demands of systems such as power-to-hydrogen (P2H) and extreme fast charging (XFC) increase, there is a need for highly customizable and scalable grid-tied power electronics. This paper presents…

In November 2022, Wejo Data Services Inc. provided Purdue with a national data set comprised of approximately 470 billion connected vehicle records covering all 50 states for the month of…

In January 2023, Wejo Data Services Inc. provided Purdue with a national data set comprised of approximately 503 billion connected vehicle records covering all 50 states for the month of…

This paper details the characterization of the modelof a rectangular three-phase transmitter-receiver topology withlow output-power ripple for use in dynamic wireless powertransfer (DWPT) systems. The modeling and characterizationis validated through…

Designs for two versions of a 200-kW-output three-phase dynamic wireless power transfer (DWPT) system are presented in detail: one using a Magment-core transmitter and one using a coreless transmitter. Critical…

This paper details the design of a three-phase transmitter-receiver topology for use in a dynamic wireless power transfer (DWPT) system for heavy-duty electric vehicles. The proposed approach eliminates the power…

Electrified mobility such as electric vehicles (EVs) is a promising solution to reduce carbon emissions in transportation and mitigate global warming. Understanding public perception of EVs can help better support…

The transportation networks of today are evolving to allow electric vehicles (EVs) to actively charge while in-motion utilizing a system known as dynamic wireless power transfer (DWPT). As EVs become…

This paper presents the implementation of battery electric vehicles (BEVs) and battery energy storage systems (BESS) within residential networked microgrids that incorporate distributed energy resources (DERs) to produce electrical power,…

With the advent of dynamic wireless power transfer (DWPT) electric vehicle (EV) in-motion charging has caused many concerns to arise regarding the feasibility of such an infrastructure. These systems rely…

Roadway electrification with in-motion charging of Electric Vehicles (EVs) represents a promising solution to support the widespread adoption of EVs with reduced battery size and cost. However, numerous design challenges…

Energy storage systems comprising hybrid Li-ion battery packs that fully utilize the energy density and power density of different lithium-ion (Li-ion) chemistries can achieve reduced weight and volume with improved…

With the advent of dynamic wireless power transfer (DWPT) electric vehicle (EV) in-motion charging has caused many concerns to arise regarding the feasibility of such an infrastructure. These systems rely…

Energy storage systems using the electric vehicle (EV) retired batteries have significant socio-economic and environmental benefits and can facilitate the progress toward net-zero carbon emissions. Based on the patented active…

Printed circuit boards have been commonly used in various power converters covering a wide range of power levels for reliability, low cost, and ease of mass production. Increasing the performance…

With a major increase in the integration of renew-able energy sources, along with the use of solar inverters, the need for smart inverter technology is higher than ever. It is desirable for…

A novel single-stage 3-level asymmetric dual active bridge series resonant converter (3LADABSRC) is proposed to achieve high efficiency, high power density, and high performance for EV battery charging applications. Hardware…

As the penetration rate of renewable energy and electric vehicle keeps increasing, dc microgrids incorporating renewable energy, battery energy storage, and dc loads such as EV chargers and electric buildings…

An electric vehicle (EV) aggregator can offer new streams of competitive service to power system operators by performing optimal scheduling of EV charging which ensures reliable grid operation and cost-effective…

Deploying autonomous drone systems in smart cities to identify unexpected events and adapt rapidly to crises has a great potential for optimizing city operations and increasing city-wide situational awareness. This…

This research demonstrates benefits from leveraging simple machine learning algorithms to generate a computationally light, suitably tailored heuristic function to enable mobile robots to make faster, more accurate decisions in…

The EVPRE software is a high resolution energy optimal routing and range prediction tool for electric Vehicles (EV). Users are able to quickly add characteristics of their EV systems to…

As electric vehicles (EV) become more dominant for general traditional and autonomous transportation, more accurate range prediction and efficient route planning is necessary to improve adoption and better support EV…

The Power and Transportation Collection and Visualization (PATCAV) software is an extensible system for collecting, controlling, and visualizing power and electrified transportation systems. This software is provided with some historical…

This paper proposes a new insulation approach to meet the medium-voltage (MV) isolation requirements of the DC-DC converter modules in a Solid-State Transformer (SST) or Power Electronic Transformer (PET). The…

Inductive power transfer technology is becoming popular for electric vehicle charging mainly for light-duty electric vehicles. However, heavy-duty electric vehicles represent a significant portion of the transportation sector. The nature…

This paper details the characterization of the model of a rectangular three-phase transmitter-receiver topology with low output-power ripple for use in dynamic wireless power transfer (DWPT) systems. The modeling and…

This paper details the design of a three-phase transmitter-receiver topology for use in a dynamic wireless power transfer (DWPT) system for heavy-duty electric vehicles. The proposed approach eliminates the power…

Electric roadways (ERs) represent a new paradigm for electrified transportation that is enabled by the emerging technology of dynamic (in-motion) wireless power transfer to electric vehicles (EVs). This kind of…

Engineered systems often reproduce injustices via infrastructures that result in harm to the health and economic well-being of historically minoritized groups.1 As examples, ports of many kinds—including seaports, airports, and…

As the transportation and the automotive industries continue to grow, the impacts on the environment and human health remain a growing concern on the general public and policy-makers [6], [9].…

Co-design is a collaborative approach intertwining individuals’ unique perspectives resulting in a product that holds creative stakes for all parties. In this paper, we focus on two teachers who co-designed…

In recent years, science education has shifted focus, from content to practice. This is reflected in the NGSS, which advocate learning science concepts through engagement in science and engineering practices. Theory building is…

While battery electric buses (BEBs) can lead to energy savings and reduced emissions, BEB adoption is developing slowly. Although BEBs offer quieter operations, better acceleration, and no smell of diesel…

Historically the U.S. transportation system has been continuously improved to adopt new policies and technologies. The transportation vehicle energy transition from fossil fuels to electricity is promoted by policymakers and…

With a major increase in the integration of renewable energy sources, along with the use of solar inverters, the need for smart inverter technology is higher than ever. It is…

Electrifying trucks can lead to large societal and private benefits for truck fleet managers. However, the electric truck market is still in its infancy compared to passenger electric vehicles. This…

With growing electrification of light-duty vehicles, fast and super-fast (or high-power) charging stations for electric vehicles will be instrumental to continue enabling this transformation. In addition to plug-in charging, high-power…

Within much of dominant engineering education that focuses on sustainability, a narrative exists that electric vehicles are a seemingly universal good in combating climate change. Common sense within dominant engineering…

Lithium-metal batteries (LMB) are attractive for energy-storage applications because of their high specific energy and energy density. Unlike lithium-ion batteries (LIB), LMB have metallic lithium anodes which introduce complications to…

Degradation in lithium-ion cells results from internal mechanisms whose effects can be partially observed through input/output data. In particular, we notice that when a cell experiences calendar aging, its voltage…

This paper is the final installment in a series of articles that collectively shows how to estimate parameter values for lumped-parameter physics-based models of lithium-ion cells without requiring cell teardown.…

Previous work by our research team has proposed methods to estimate the open-circuit-potential (OCP) vs electrode stoichiometry relationships required by physics-based models of lithium-ion battery cells. It has also shown…

Natural disasters such as hurricanes can cause severe damages at the transmission level, resulting in widespread power outages and renewable energy curtailment. To reduce such power outages and renewable curtailment, this study takes…

While battery electric buses (BEBs) can lead to energy savings and reduced emissions, BEB adoption is developing slowly. Although BEBs offer quieter operations, better acceleration, and no smell of diesel…

Numerous articles have been written regarding the potential affects that electric vehicle (EV) charging stations can have on power distribution systems. With the advent to adopt a dynamic wireless power…

A major challenge to adopting battery electric buses into bus fleets is the scheduling of the battery charging while considering route timing constraints and battery charge. This work develops a…

Ubiquitous electric vehicle adoption can drastically reduce greenhouse gas emissions (GHG) but will require equitable home charging infrastructure for all residences. Unlike single-family homes, Multi-Unit Dwellings (MUD) currently lack market…

Increasing electric vehicle (EV) adoption poses serious concerns about the long-term adequacy of highway revenues. This paper addresses not only the fuel tax revenue loss across all vehicle classes but…

Joint deployment of solar photovoltaic (PV) systems and electric vehicles (EVs) offers a sustainable option for decarbonisation. However, the possible influence of solar PV on EV uptake within a spatial-temporal…

Although the electrification of trucks can offer overall operation cost reduction and contribute to the decarbonization of transport, electric vehicles in the commercial sector are not widely adopted. Existing studies…

The Power and Transportation Collection and Visualization (PATCAV) software is an extensible system for collecting, controlling, and visualizing power and electrified transportation systems. This software is provided with some historical…

The EVPRE software is a high resolution energy optimal routing and range prediction tool for electric Vehicles (EV). Users are able to quickly add characteristics of their EV systems to…

With an influx of public and private sector investment in the electric vehicle (EV) domain, public agencies and stakeholders need objective, equitable and systematic processes for identifying candidate sites for…

Dynamic charging has the potential to overcome the barriers to electric vehicle (EV) adoption by converting road segments into powered lanes (electric roadways or ERs). This paper focuses on examining…

Electricity is expected to become a dominant power source in the transportation sector, but under a stationary recharging model, electric powered vehicles still suffer some disadvantages relative to conventional vehicles.…

Dynamic Wireless Charging (DWC) technology can provide an innovative charging solution that can overcome the barriers to electric vehicle (EV) adoption, namely range anxiety and charging time. To effectively implement…

The technology of dynamic wireless power transfer (DWPT), also known as dynamic wireless charging, is key for eliminating range anxiety and lowering battery costs, and can thus further stimulate the…

In this paper a focus is on the development of a modeling approach that enables relatively rapid evaluation of the performance of high-power dynamic inductive wireless charging systems. Derivation and…

Closed-form solutions are derived for the regular and adjacent-singular integrals involving the two-dimensional Laplacian’s Green’s function and its normal derivative that arise in the Galerkin BEM. Motivation for their use…

Although autonomous vehicle (AV) technology is expected to bring dramatic societal, environmental, and economic benefits, the high vehicle cost might slow the adoption of AVs. This paper explores an infrastructure-enabled…

As electric vehicles (EVs) become more prevalent, there is growing concern regarding their impact on transportation and power networks. Using vehicle-to-grid (V2G) technology, EVs can operate as additional energy storage…

As transit authorities begin adopting Battery Electric Buses (BEBs), they must address the challenge of extendedbattery charging sessions while maintaining fixed bus schedules and managing the cost of energy. This…

Recent attention for reduced carbon emissions has pushed transit authorities to adopt battery electric buses (BEBs). One challenge experienced by BEB users is extended charge times, which create logistical challenges…

Abstract: An Input-Series-Output-Parallel (ISOP) arrangement of converter modules is a common solution for realizing power converters with relatively high input voltages. ISOP systems allow for high voltage (HV) power processing…

The growing societal and environmental challenges of the 21st century are ubiquitous. Thus, marketing educators are tasked with incorporating a sustainability approach into their curriculum, educating students on the synchronous…

Roadway electrification with in-motion charging of Electric Vehicles (EVs) represents a promising solution to support the widespread adoption of EVs with reduced battery size and cost. However, numerous design challenges…

Evaluation of pavement embedded dynamic wire- less charging pads requires a comprehensive long term testing approach and data acquisition scheme. This paper documents and discusses several variations in pavement embedded…

This paper proposes a novel five-port differential power processing triple active bridge (DTAB) converter that provides active and hybrid cell balancing for lithium-ion battery packs. The proposed DTAB converter significantly…

Understanding public perception of electric vehicles (EVs) is imperative for increasing EV adoption, which can significantly reduce greenhouse gas (GHG) emissions, thereby mitigating climate change and global warming. While most…

This paper is focused on the modeling and design of high-frequency planar coupled inductors with orthogonal air-gaps. In coupled inductors, ac flux cancellation in part of the core segments results…

This article presents analysis, properties, and systematic synthesis of a new class of hybrid dc-dc converters named transformerless stacked active bridge (TSAB) converters. The TSAB converters, which are obtained from…

This article presents a two-stage automotive LED driver architecture delivering independently regulated output currents to multiple LED strings. The system consists of a multiphase noninverting buck-boost front-end stage, which allows…

This article is focused on the thermal design and three-dimensional (3-D) package optimization of planar magnetic components (PMCs), including transformers and inductors for application in an electric vehicle composite boost…

This article is focused on modeling and design optimization of high-current-ripple planar inductors in liquid-cooled high-power applications, such as electric-vehicle drivetrain systems, where efficiency and power density are the key…

This article presents an online efficiency optimization strategy for a digitally controlled, wide operating range silicon carbide based boost converter with bidirectional power flow. The proposed strategy minimizes switching losses…

Levelized cost of energy (LCOE) is a commonly used metric to assess the cost-to-benefit ratio over the lifetime of an energy resource, such as photovoltaics (PV); however, power electronics engineers…

This paper presents the implementation of battery electric vehicles (BEVs) and battery energy storage systems (BESS) within residential networked microgrids that incorporate distributed energy resources (DERs) to produce electrical power,…

For generations, People of Color within the United States have been disproportionately exposed to environmental hazards that deny fundamental human rights, such as access to clean air, land, water, and…

In the last couple of decades, various industries have taken advantage of emerging advanced technologies, such as the digital twin, to find more effective solutions in their respective areas. In…

The transportation sector is trending towards electrification which means a dramatic change to the availability of used Lithium-ion (Li-ion) batteries which can be reused for grid energy storage systems (ESS).…

Electricity is expected to become a dominant power source in the transportation sector, but under a stationary recharging model, electric powered vehicles still suffer some disadvantages relative to conventional vehicles.…

The technology of dynamic wireless power transfer (DWPT), also known as dynamic wireless charging, is key for eliminating range anxiety and lowering battery costs, and can thus further stimulate the…

This paper explores the movement of connected vehicles in Indiana for vehicles classified by the NHTSA Product Information Catalog Vehicle listing as being either electric (EV) or hybrid electric (HV).…

With the projected growth of electric vehicles, there is a need for well-planned and equitable investment in the charging infrastructure. Connected vehicle data holds immense promise to understand the usage…

As electric vehicles (EVs) become more prevalent, there is growing concern regarding their impact on transportation and power networks. Using vehicle-to-grid (V2G) technology, EVs can operate as additional energy storage…