Connected/Automated and Autonomous ...

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Connected/Automated and Autonomous Vehicles (CAVs) Patrick B. Davis, Director

Vehicle Technologies Office Energy Efficiency and Renewable Energy U.S. Department of Energy (DOE) July, 2014

Oil Dependency is Dominated by On-Road Vehicles  Transportation is responsible for 2/3 of U.S. petroleum usage  On-Road vehicles responsible for 80% of transportation petroleum usage  >240M Vehicles on the road

 Economic security, energy security, and environmental stewardship  Changing energy landscape • Natural gas • Electrification • Fuel Economy Standards

The Cost of Oil is Not Just Monetary

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Overview and Outline: EERE in a CAV Context 2) 1) Existing EERE Capabilities

Leveraging existing expertise for CAVs •

EERE Existing mobility technology RDD&D

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• •

3) Expanding expertise for future priorities

Collaboration Data infrastructure (hardware, software) Controls (diagnostics, sensor development) Systems modeling (vehicle testing, data collection and analysis)

Wealth of ongoing activity in the CAV space (U.S. DOT, private sector)

EERE Existing Capabilities Technology Offices Vehicles • • • •

Efficiency Improvement Fuel Diversification Domestic & Renewable Reduced GHG

Bioenergy

Hydrogen and Fuel Cells

National goals •& Reduce GHG emissions in the range of 17% by 2 Reduce net oil imports by 50% by 2020 * • Standards Achieve CAFE Standards 54.5 mpg by 2025 •

*Major Administration Goals

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EERE Existing Capabilities: Current RDD&D Focus • EERE is DOE’s primary applied research office • Research, Development, Demonstration, and Deployment – – – – – – – –

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Vehicle Electrification Materials Lightweighting Advanced Combustion Drop-in Biofuels Fuel Cell Technology Hydrogen Infrastructure Deployment (e.g., Clean Cities) Grid Systems Integration

Early EERE CAV R&D efforts tie existing expertise Recognizing Key to CAV energy needs Current EERE R&D Energy-Related Needs for Connected Mobility

Existing EERE Core Expertise •

Transportation energy system analysis



Vehicle communications and data collection



Alternative fuel technologies and systems









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Co-optimization of safety and efficiency • Vehicle re-design (potential significant lightweighting) Interoperability across connected mobility communication systems Alternative fuels enabling potential: enhanced ROI and adoption? Predicting vehicle use systems response • Rebound effect(s) • Increased mobility access

Efforts at the Nexus of Energy and Mobility •



Foundational studies on potential energy effects • Synergistic gains from safety initiatives • Fuel efficiency algorithms • Vehicle redesign (lightweighting and aerodynamics) Deeper research in opportunity areas • Advanced vehicle design • Novel diagnostics, controls, and sensor development

Synergies Between Connected Mobility & Energy

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Autonomy

• Efficient driving • Platooning • Assisted parking

Safety & Collision Avoidance

• Reduced idling • Significant light weighting • Enhanced aerodynamics

Multimodal Transportation

• Lowest carbon trip planning • Automated carpooling

V2X

• Vehicle-to-Vehicle (V2V) • Traffic signal management (V2I) • Grid system integration (V2G)

Data as a Service

• Big data analytics • Efficient routing • Optimizing corridor efficiency

Foundational studies estimate ranges of energy effects Positive Energy Outcomes

Negative Energy Outcomes

Enabling electrification Higher occupancy Lightweighting & powertrain/vehicle size optimization

Less hunting for parking

More travel Faster travel

Full cycle smoothing Travel by underserved Efficient routing Efficient driving Platooning

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-0.8

-0.6

-0.4 Use Intensity

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Energy Intensity

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Fuel Intensity

Brown, A.; Gonder, J.: Repac, B. (2014). “An Analysis of Possible Energy Impacts of Automated Vehicles.” Chapter 5, Societal and Environmental Impacts. Meyer, G., ed. Lecture Notes in Mobility: Road Vehicle Automation. Berlin: Springer.

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Potential combined fuel demand increases/decreases by factor category

Foundational studies convey energy effect uncertainty 1 1.1 0

-16%

+30% -0.75

0 -0.75

-1 Use Intensity

Energy Intensity

Fuel Intensity

• Energy impacts can be dramatic – Potential for large improvements in energy and fuel intensity – Increased use intensity may counteract

• Significant uncertainty exists – Total combined impacts from >90% savings to >150% increase in energy use—further research warranted 9

Current efforts inform expanding EERE expertise for future priorities Current EERE R&D Efforts (Foundational studies, deeper research) • •

DOE prioritizing CAV “layers” in which to participate Coordinating across agencies to leverage funding Example:

Possible Future Research •

• •

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Refine foundation studies on energy impacts • Understanding and reducing uncertainties • Better system interaction modeling • Further energy-focused data collection and analysis Increased collaboration with USDOT • Engage with UMTRI, RITA, NHTSA, ITS America, Non-Profits Continued leveraging of existing expertise • Hardware, software, physical & data infrastructure(s), cyber security • Diagnostics, controls, and sensor development • Systems modeling and vehicle testing • Data collection and analysis

Modeling and Simulation 1. Individual connected vehicle and fleet energy optimization 2. City/corridor connected traffic systems 3. Leveraging model observations for Federal policy implications

Ex 1. Modeling and simulation to optimize connected vehicle/fleet energy use Energy Impact of "Efficient Driving" for Advanced Powertrains Benefits of Connected Route-Based Energy Management for LightDuty Electrified Vehicles Benefits of Connected Route- and Duty-Based Energy Management for P&D PHEV Truck

Virtual Proving Grounds for Development and Evaluation of Energy Efficient CAVs

Energy Impact of CAVs in the context of an Entire Transportation System Benefits of Vehicle Electrification/Automation in the Context of a Large Metro Area Behavior Changes and Adoption under various policies / technologies

Single Vehicle

Small Network of CAVs and ITS 11

Entire Urban Area

Ex 2. Combining models/simulations for city/corridor energy use

Market Penetration / Fleet Definition

ansportation Simulation

Vehicle Energy Consumption

efine network, control & demand 25 20 15 10

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20 0

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400

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5 0

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Vehicle speed/grade profiles extraction/generatio consumption of n the transportation

Energy network from corridor (~100,000 vehicles) to entire cities (>10M vehicles) 12

Ex 3. Assessing model observations for policy development

Choic e

 

POLARIS+ Vehicle Ownership Model Level 3

Level 2 Combined Function automation

Level 0 No automationModel

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Limited self-driving automation

Level4 Full Self-Driving Automation

changes of traveler’s behavior in the context of automation level

VMT

Market Adoption

Choic e

Polic y

Level 1 Function specific automation

Aggrega te

Mode Choice/Shift

Regional or National

Vehicle Ownership Model: Market adoption dynamics based on household characteristics (eg. demographic, existing vehicles ownership, income)

Patrick Davis [email protected]