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Analysis Of Plug In Hybrid Electric Vehicles Utility Factors Using Gps Based Longitudinal Travel Data
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Book Synopsis Analysis of Plug-in Hybrid Electric Vehicles' Utility Factors Using GPS-based Longitudinal Travel Data by :
Download or read book Analysis of Plug-in Hybrid Electric Vehicles' Utility Factors Using GPS-based Longitudinal Travel Data written by and published by . This book was released on 2015 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: The benefit of using a PHEV comes from its ability to substitute gasoline with electricity in operation. Defined as the proportion of distance traveled in the electric mode, the utility factor (UF) depends mostly on the battery capacity, but also on many other factors, such as travel pattern and recharging pattern. Conventionally, the UFs are calculated based on the daily vehicle miles traveled (DVMT) by assuming motorists leave home in the morning with a full battery, and no charge occurs before returning home in the evening. Such an assumption, however, ignores the impact of the heterogeneity in both travel and charging behavior, such as going back home more than once in a day, the impact of available charging time, and the price of gasoline. In addition, the conventional UFs are based on the National Household Travel Survey (NHTS) data, which are one-day travel data of each sample vehicle. A motorist's daily distance variation is ignored. This paper employs the GPS-based longitudinal travel data (covering 3-18 months) collected from 403 vehicles in the Seattle metropolitan area to investigate how such travel and charging behavior affects UFs. To do this, for each vehicle, we organized trips to a series of home and work related tours. The UFs based on the DVMT are found close to those based on home-to-home tours. However, it is seen that the workplace charge opportunities significantly increase UFs if the CD range is no more than 40 miles.
Book Synopsis Analysis of Plug-in Hybrid Electric Vehicles' Utility Factors Using GPS-based Longitudinal Travel Data by : Md Aviquzzaman
Download or read book Analysis of Plug-in Hybrid Electric Vehicles' Utility Factors Using GPS-based Longitudinal Travel Data written by Md Aviquzzaman and published by . This book was released on 2014 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Utility Factor Definitions for Plug-in Hybrid Vehicles Using Travel Survey Data by : Society of Automotive Engineers
Download or read book Utility Factor Definitions for Plug-in Hybrid Vehicles Using Travel Survey Data written by Society of Automotive Engineers and published by . This book was released on 2010 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Utility Factor Definitions for Plug-In Hybrid Electric Vehicles Using 2001 U.S. DOT National Household Travel Survey Data by : Hybrid - EV Committee
Download or read book Utility Factor Definitions for Plug-In Hybrid Electric Vehicles Using 2001 U.S. DOT National Household Travel Survey Data written by Hybrid - EV Committee and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The total fuel and energy consumption rates of a Plug-In Hybrid Electric Vehicle (PHEV) vary depending upon the distance driven. For PHEVs, the assumption is that operation starts in battery charge-depleting mode and eventually changes to battery charge-sustaining mode. Total distance between charge events determines how much of the driving is performed in each of the two fundamental modes. An equation describing the portion of driving in each mode is defined. Driving statistics from the National Highway Transportation Survey are used as inputs to the equation to provide an aggregate "Utility Factor" (UF) applied to the charge-depleting mode results.Various stakeholders are currently developing their own standards for testing PHEVs. The method of weighting the results using a UF is accepted by many of the stakeholders. However, the stakeholders need a standard document to reference in their procedures. These curves must be from a common standard generated from a standardized calculation method. SAE J1711 will reference this document and as new and/or better data become available, this Information Report may be updated without changing the SAE J1711 or other stakeholder procedures.
Book Synopsis Impact of Observed Travel and Charging Behavior, Simulated Workplace Charging Infrastructure, and Vehicle Design on PHEV Utility Factors (UF), Total Charge Depleting (CD) Driving and Time of Day (TOD) Grid Demand by : Jamie Davies-Shawhyde
Download or read book Impact of Observed Travel and Charging Behavior, Simulated Workplace Charging Infrastructure, and Vehicle Design on PHEV Utility Factors (UF), Total Charge Depleting (CD) Driving and Time of Day (TOD) Grid Demand written by Jamie Davies-Shawhyde and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Plug-in hybrid electric vehicles (PHEVs) can run on gasoline or grid electricity and have been widely touted as promising more future societal and environmental benefits than hybrid electric vehicles (HEVs). However, since the charging of PHEVs will place new loads on the electrical grid, how much and the time of day (TOD) at which users plug in their vehicles will have implications for electricity providers who must meet the additional electrical load required to charge a fleet of PHEVs. PHEV charging could place new burdens on existing electrical infrastructure (substations and transformers) and generating capacity. Information about consumers' charging behavior can help utilities and interested parties better plan for PHEVS in the marketplace. To date, analysts have made assumptions as to the design of PHEVs that will be purchased, and the travel and charging behavior of the future users. Furthermore, since PHEVs can run in charge depleting (CD) and charge sustaining (CS) modes there is uncertainty as to how much travel will be completed in each mode due to the variety of possible vehicle designs, access to charging infrastructure, and travel and charging behavior of PHEV users. Accounting for the amount of travel in each mode is crucial in order to accurately assess the fuel economy (FE) benefits, green house gas (GHG) emissions and costs of PHEVs. In 2001, the Society of Automotive Engineers (SAE) promulgated standard J2841 defining the utility factor (UF) as the percentage of travel that can be completed in CD mode for a PHEV fleet with a given CD range. As such, the SAE standard J2841 has a substantial influence on policies regarding PHEVs and their assumed benefits and costs, and has been used by analysts, industry, and policy makers to calculate PHEV corporate average fuel economy (CAFE), GHG emissions, operating costs and Zero Emission Vehicle (ZEV) credits. My analysis challenges J2841 by calculating the observed UF for a fleet of PHEVs driven by 25 Plausible Early Market (PEM) PHEV buyers in a demonstration and market research project. To estimate the potential effects on the UF of additional recharging infrastructure, I model a workplace charging scenario in which each of the 25 households recharges the PHEV at their workplace as well as at home. Lastly, hypothetical consumer designed PHEVs, solicited from each PEM household, are used to create and compare future market scenarios in which consumers are offered a wide variety of makes and body styles of PHEVs--thus simulating a plausible future market in which a variety of PHEVs are offered for sale. The results suggest that promoting "short range" PHEVs and focusing on popular vehicle-types, rather than upon achieving high CD ranges, could lead to greater total benefits from PHEVs in the early market, through more widespread adoption of PHEVs. Compared to SAE J2841, the observed UFs from the PEM demonstration data are 10 percentage points higher for PHEVs of up to 40 miles of CD range. At 40 miles CD range, J2841 stipulates a UF of 62%; I calculate a UF of 72% from the observed data. The increase in CD driving from adding simulated workplace charging varies by vehicle range, with the largest percentage point increases in CD driving occurring below 20 miles. Workplace charging changes the TOD distribution of power needed to charge a fleet of vehicles, producing a new maximum at 9:30am. The addition of workplace charging under the conditions modeled here does not change the evening peak power demand.
Book Synopsis Using GPS Travel Data to Assess the Real World Driving Energy Use of Plug-In Hybrid Electric Vehicles (PHEVs). by :
Download or read book Using GPS Travel Data to Assess the Real World Driving Energy Use of Plug-In Hybrid Electric Vehicles (PHEVs). written by and published by . This book was released on 2007 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Highlights opportunities using GPS travel survey techniques and systems simulation tools for plug-in hybrid vehicle design improvements, which maximize the benefits of energy efficiency technologies.
Book Synopsis Smart Energy for Smart Transport by : Eftihia G. Nathanail
Download or read book Smart Energy for Smart Transport written by Eftihia G. Nathanail and published by Springer Nature. This book was released on 2023-03-10 with total page 1837 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reports on original research and practical findings fostering sustainable and smart urban mobility transformation. Gathering contributions presented at the 6th Conference on Sustainable Urban Mobility, held from August 31 to September 2, 2022, on Skiathos Island, Greece, it covers topics relating to electric and clean energy, intelligent technologies and automation, green travel modes, and transport safety. It highlights solutions for inclusive transportation, sustainable and resilient supply chains, and describes novel strategies for urban planning and innovative transport infrastructure. This book offers extensive information to academicians, researchers, practitioners and decision makers working on effective strategies to transform urban mobility in a sustainable and equitable way.
Book Synopsis Transportation in a Net Zero World: Transitioning Towards Low Carbon Public Transport by : Kathryn G. Logan
Download or read book Transportation in a Net Zero World: Transitioning Towards Low Carbon Public Transport written by Kathryn G. Logan and published by Springer Nature. This book was released on 2022-04-07 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the importance of transitioning from conventionally fuelled, electric and hydrogen personal vehicles towards low carbon electric and hydrogen public transport. It presents international comparisons and case studies of countries who have successfully and unsuccessfully implemented policies to reduce their emissions from land-based transport. It discusses and provides policy recommendations to meet a net zero transport world by exploring potential issues, including infrastructure changes and electricity generation mix which may prevent targets being met successfully. The book also demonstrates how the COVID-19 pandemic has influenced individual transport choices and what will need to be done to ensure travel remains sustainable going forward. Aligned with an active area of academic and civil discourse on the topic of sustainable transportation systems, Transportation in a Net Zero World will be of interest to researchers, policy makers, and graduate students alike, in the fields of environmental science and transport studies.
Book Synopsis How Assumptions about Consumers Influence Estimates of Electric Vehicle Miles Traveled of Plug-in Hybrid Electric Vehicles by : Jamie Davies
Download or read book How Assumptions about Consumers Influence Estimates of Electric Vehicle Miles Traveled of Plug-in Hybrid Electric Vehicles written by Jamie Davies and published by . This book was released on 2014 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Activity-based Assessment of the Potential Impacts of Plug-in Hybrid Electric Vehicles (PHEVs) on Energy and Emissions Using One-day Travel Data by : Jee Eun Kang
Download or read book An Activity-based Assessment of the Potential Impacts of Plug-in Hybrid Electric Vehicles (PHEVs) on Energy and Emissions Using One-day Travel Data written by Jee Eun Kang and published by . This book was released on 2008 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Well-to-wheels Analysis of Energy Use and Greenhouse Gas Emissions of Plug-in Hybrid Electric Vehicles by :
Download or read book Well-to-wheels Analysis of Energy Use and Greenhouse Gas Emissions of Plug-in Hybrid Electric Vehicles written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Plug-in hybrid electric vehicles (PHEVs) are being developed for mass production by the automotive industry. PHEVs have been touted for their potential to reduce the US transportation sector's dependence on petroleum and cut greenhouse gas (GHG) emissions by (1) using off-peak excess electric generation capacity and (2) increasing vehicles energy efficiency. A well-to-wheels (WTW) analysis - which examines energy use and emissions from primary energy source through vehicle operation - can help researchers better understand the impact of the upstream mix of electricity generation technologies for PHEV recharging, as well as the powertrain technology and fuel sources for PHEVs. For the WTW analysis, Argonne National Laboratory researchers used the Greenhouse gases, Regulated Emissions, and Energy use in Transportation (GREET) model developed by Argonne to compare the WTW energy use and GHG emissions associated with various transportation technologies to those associated with PHEVs. Argonne researchers estimated the fuel economy and electricity use of PHEVs and alternative fuel/vehicle systems by using the Powertrain System Analysis Toolkit (PSAT) model. They examined two PHEV designs: the power-split configuration and the series configuration. The first is a parallel hybrid configuration in which the engine and the electric motor are connected to a single mechanical transmission that incorporates a power-split device that allows for parallel power paths - mechanical and electrical - from the engine to the wheels, allowing the engine and the electric motor to share the power during acceleration. In the second configuration, the engine powers a generator, which charges a battery that is used by the electric motor to propel the vehicle; thus, the engine never directly powers the vehicle's transmission. The power-split configuration was adopted for PHEVs with a 10- and 20-mile electric range because they require frequent use of the engine for acceleration and to provide energy when the battery is depleted, while the series configuration was adopted for PHEVs with a 30- and 40-mile electric range because they rely mostly on electrical power for propulsion. Argonne researchers calculated the equivalent on-road (real-world) fuel economy on the basis of U.S. Environmental Protection Agency miles per gallon (mpg)-based formulas. The reduction in fuel economy attributable to the on-road adjustment formula was capped at 30% for advanced vehicle systems (e.g., PHEVs, fuel cell vehicles [FCVs], hybrid electric vehicles [HEVs], and battery-powered electric vehicles [BEVs]). Simulations for calendar year 2020 with model year 2015 mid-size vehicles were chosen for this analysis to address the implications of PHEVs within a reasonable timeframe after their likely introduction over the next few years. For the WTW analysis, Argonne assumed a PHEV market penetration of 10% by 2020 in order to examine the impact of significant PHEV loading on the utility power sector. Technological improvement with medium uncertainty for each vehicle was also assumed for the analysis. Argonne employed detailed dispatch models to simulate the electric power systems in four major regions of the US: the New England Independent System Operator, the New York Independent System Operator, the State of Illinois, and the Western Electric Coordinating Council. Argonne also evaluated the US average generation mix and renewable generation of electricity for PHEV and BEV recharging scenarios to show the effects of these generation mixes on PHEV WTW results. Argonne's GREET model was designed to examine the WTW energy use and GHG emissions for PHEVs and BEVs, as well as FCVs, regular HEVs, and conventional gasoline internal combustion engine vehicles (ICEVs). WTW results are reported for charge-depleting (CD) operation of PHEVs under different recharging scenarios. The combined WTW results of CD and charge-sustaining (CS) PHEV operations (using the utility factor method) were also examined and reported. According to the utility factor method, the share of vehicle miles traveled during CD operation is 25% for PHEV10 and 51% for PHEV40. Argonne's WTW analysis of PHEVs revealed that the following factors significantly impact the energy use and GHG emissions results for PHEVs and BEVs compared with baseline gasoline vehicle technologies: (1) the regional electricity generation mix for battery recharging and (2) the adjustment of fuel economy and electricity consumption to reflect real-world driving conditions. Although the analysis predicted the marginal electricity generation mixes for major regions in the United States, these mixes should be evaluated as possible scenarios for recharging PHEVs because significant uncertainties are associated with the assumed market penetration for these vehicles. Thus, the reported WTW results for PHEVs should be directly correlated with the underlying generation mix, rather than with the region linked to that mix.
Book Synopsis Impact of Observed Travel and Recharging Behavior, Simulated Workplace Charging Infrastructure, and Vehicle Design on PHEV Utility Factors (UF), Total Charge Depleting (CD) Driving and Time of Day (TOD) Grid Demand by : Jamie Davies-Shawhyde
Download or read book Impact of Observed Travel and Recharging Behavior, Simulated Workplace Charging Infrastructure, and Vehicle Design on PHEV Utility Factors (UF), Total Charge Depleting (CD) Driving and Time of Day (TOD) Grid Demand written by Jamie Davies-Shawhyde and published by . This book was released on 2011 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cyber-Physical-Human Systems by : Anuradha M. Annaswamy
Download or read book Cyber-Physical-Human Systems written by Anuradha M. Annaswamy and published by John Wiley & Sons. This book was released on 2023-07-25 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cyber–Physical–Human Systems A comprehensive edited volume exploring the latest in the interactions between cyber–physical systems and humans In Cyber–Physical–Human Systems: Fundamentals and Applications, a team of distinguished researchers delivers a robust and up-to-date volume of contributions from leading researchers on Cyber–Physical–Human Systems, an emerging class of systems with increased interactions between cyber–physical, and human systems communicating with each other at various levels across space and time, so as to achieve desired performance related to human welfare, efficiency, and sustainability. The editors have focused on papers that address the power of emerging CPHS disciplines, all of which feature humans as an active component during cyber and physical interactions. Articles that span fundamental concepts and methods to various applications in engineering sectors of transportation, robotics, and healthcare and general socio-technical systems such as smart cities are featured. Together, these articles address challenges and opportunities that arise due to the emerging interactions between cyber–physical systems and humans, allowing readers to appreciate the intersection of cyber–physical system research and human behavior in large-scale systems. In the book, readers will also find: A thorough introduction to the fundamentals of cyber–physical–human systems In-depth discussions of cyber–physical–human systems with applications in transportation, robotics, and healthcare A comprehensive treatment of socio-technical systems, including social networks and smart cities Perfect for cyber–physical systems researchers, academics, and graduate students, Cyber–Physical–Human Systems: Fundamentals and Applications will also earn a place in the libraries of research and development professionals working in industry and government agencies.
Book Synopsis An Activity-based Assessment of the Potential Impacts of Plug-in Hybrid Electric Vehicles on Energy and Emissions Using One-day Travel Data by : Wilfred W. Recker
Download or read book An Activity-based Assessment of the Potential Impacts of Plug-in Hybrid Electric Vehicles on Energy and Emissions Using One-day Travel Data written by Wilfred W. Recker and published by . This book was released on 2010 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plug-in Hybrid Electric Vehicle Load Profile Estimation with Opportunity Charging by : Reza Kazem Sharif Sharifi
Download or read book Plug-in Hybrid Electric Vehicle Load Profile Estimation with Opportunity Charging written by Reza Kazem Sharif Sharifi and published by . This book was released on 2017 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This thesis focuses on the load profile analysis of the plug-in hybrid electric vehicles (PHEV), examining two different scenarios. In the first scenario, the battery of a PHEV is charged at the final arrival time, and the arrival time analysis has a minute accuracy. In the second scenario, opportunity charging, which refers to the stop-time between two trips, is used for charging the battery of the vehicle. However, if the stop-time between two trips is less than 30 minutes, the duration is not counted as an opportunity charging and it is filtered. The results of the two scenarios are compared, and through this comparison, it is revealed that the opportunity charging scenario has a more flat profile. The improvement not only shows the positive features of the opportunity charging in terms of using more electrical power instead of traditional petroleum-based fuel, but also creates more opportunity for the power grid to use renewable energy resources instead of traditional fossil fuels. These two significant features, present opportunity charging as a strong solution for the negative environmental effects of petroleum vehicles in urban areas, and even in a world-scale view. The data pool is collected from the national household travel survey (NHTS) database, which is a major reference for transportation studies. The analyses are done for the years 2001 and 2009, and the resulting data file includes the data of about 43000 different vehicles"--Abstract, page iv.
Book Synopsis Analysis of EV Charging Load Based on Household Driving Data in California by : Jiarui Liu
Download or read book Analysis of EV Charging Load Based on Household Driving Data in California written by Jiarui Liu and published by . This book was released on 2015 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: We analyzed a detailed set of over 1000 daily driving traces of GPS-equipped residential vehicles in South California and combined them with the features of four Plug-in Hybrid Electric Vehicle (PHEV) models in order to develop a test data set for PHEV related studies in the field of smart grid. The four PHEV models that were studied are Chevrolet Volt, Honda Accord Plug-in, Ford Fusion Energi, and Toyota Prius Plug-in. The per-PHEV state-of-charge (SoC) traces, the per-PHEV charging load traces under different charging scenarios, and the distribution of per-PHEV initial SoC information are investigated in our analysis. Furthermore, our analysis addressed the factor of location with respect to six Southern California counties: Ventura County, Los Angeles County, Orange County, San Bernardino County, Riverside County, and Imperial County. Our analysis also separately investigated charging load on weekdays and weekends. Finally, we briefly discussed the various applications of the developed EV charging load models in conducting research related to smart grid and demand side management, incorporating temporal and locational EV charging load diversity.
Book Synopsis Factors Affecting the Fuel Consumption of Plug-In Hybrid Electric Vehicles by :
Download or read book Factors Affecting the Fuel Consumption of Plug-In Hybrid Electric Vehicles written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Primary Factors that Impact the Fuel Consumption of Plug-In Hybrid Electric Vehicles RICHARD 'BARNEY' CARLSON, MATTHEW G. SHIRK Idaho National Laboratory 2525 N. Fremont Ave., Idaho Falls, ID 83415, USA [email protected] Abstract Plug-in Hybrid Electric Vehicles (PHEV) have proven to significantly reduce petroleum consumption as compared to conventional internal combustion engine vehicles (ICE) by utilizing electrical energy for propulsion. Through extensive testing of PHEV's, analysis has shown that the fuel consumption of PHEV's is more significantly affected than conventional vehicles by either the driver's input or by the environmental inputs around the vehicle. Six primary factors have been identified that significantly affect the fuel consumption of PHEV's. In this paper, these primary factors are analyzed from on-road driving and charging data from over 200 PHEV's throughout North America that include Hymotion Prius conversions and Hybrids Plus Escape conversions. The Idaho National Laboratory (INL) tests plug-in hybrid electric (PHEV) vehicles as part of its conduct of DOE's Advanced Vehicle Testing Activity (AVTA). In collaboration with its 75 testing partners located in 23 states and Canada, INL has collected data on 191 PHEVs, comprised of 12 different PHEV models (by battery manufacturer). With more than 1 million PHEV test miles accumulated to date, the PHEVs are fleet, track, and dynamometer tested. Six Primary Factors The six primary factors that significantly impact PHEV fuel consumption are listed below. Some of the factors are unique to plug-in vehicles while others are common for all types of vehicles. 1. Usable Electrical Energy is dictated by battery capacity, rate of depletion as well as when the vehicle was last plugged-in. With less electrical energy available the powertrain must use more petroleum to generate the required power output. 2. Driver Aggressiveness impacts the fuel consumption of nearly all vehicles but this impact is greater for high efficiency powertrains. 3. Accessory Utilization like air conditioner systems or defroster systems can use a significant amount of additional energy that is not contributing to the propulsion of the vehicle. 4. Route Type such as city, highway or mountainous driving can affect the fuel consumption since it can involve stop and go driving or ascending a step grade. 5. Cold Start / Key On includes control strategies to improve cold start emissions as well as control routines to quickly supply cabin heat. These control strategies are necessary for consumer acceptance even though fuel consumption is negatively impacted. 6. Ambient Temperature can reduce the efficiency of many powertrain components by significantly increasing fluid viscosity. For vehicles that utilize battery energy storage systems, the temperature of the battery system can greatly affect the power output capability therefore reducing its system effectiveness. The analysis of the six primary factors that impact fuel economy of PHEV's helped to identify areas of potential further development as well as may assist in informing drivers of these effects in an effort to modify driving behavior to reduce petroleum consumption.
