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Connected Vehicles – Ecosystem for Services in Car

Automotive Software-Prabha Baragur Venkataram
  • Technical Paper
  • 2019-28-2447
To be published on 2019-11-21 by SAE International in United States
This paper outlines the different aspects of the Connected Vehicle concept. The blocks required to implement a Connected Vehicle infrastructure is also discussed in detail. Two main types of short-range wireless communication are discussed in Connected Vehicles context namely Vehicle-to-Vehicle (V2V), and Vehicle-to-Infrastructure (V2I) communication. An overview of the evolution of the Connected Vehicle and its operational aspects are presented together with its application. The impacts and potential operational benefits of the Connected Vehicle are discussed. The various challenges to architect non functional requirements in the case of Connected Vehicle technology are identified and discussed.
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Eco-Driving Strategies for Different Powertrain Types and Scenarios

Argonne National Laboratory-Simeon Iliev, Eric Rask, Kevin Stutenberg, Michael Duoba
  • Technical Paper
  • 2019-01-2608
To be published on 2019-10-22 by SAE International in United States
Connected automated vehicles (CAVs) are quickly becoming a reality, and their potential ability to communicate with each other and the infrastructure around them has big potential impacts on future mobility systems. Perhaps one of the most important impacts could be on network wide energy consumption. A lot of research has already been performed on the topic of eco-driving and the potential fuel and energy consumption benefits for CAVs. However, most of the efforts to date have been based on simulation studies only, and have only considered conventional vehicle powertrains. In this study, experimental data is presented for the potential eco-driving benefits of two specific intersection approach scenarios and four different powertrain types. The two intersection approach scenarios considered in this study include an approach to a red light where coming to a complete stop is avoidable and one where a complete stop is determined necessary thanks to advance information from vehicle to infrastructure communication (V2I). The four powertrain types tested in this study include an advanced conventional vehicle, a conventional vehicle with idle stop-start capability,…

Active Safety System for Connected Vehicles

SAE International Journal of Connected and Automated Vehicles

Michigan State University, United States-Hothaifa Al-Qassab, Su Pang, Mohammed Al-Qizwini, Daniel Kent, Hayder Radha
  • Journal Article
  • 12-02-03-0013
Published 2019-10-14 by SAE International in United States
The development of connected-vehicle technology, which includes vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communications, opens the door for unprecedented active safety and driver-enhanced systems. In addition to exchanging basic traffic messages among vehicles for safety applications, a significantly higher level of safety can be achieved when vehicles and designated infrastructure locations share their sensor data. In this article, we propose a new system where cameras installed on multiple vehicles and infrastructure locations share and fuse their visual data and detected objects in real time. The transmission of camera data and/or detected objects (e.g., pedestrians, vehicles, cyclists, etc.) can be accomplished by many communication methods. In particular, such communications can be accomplished using the emerging Dedicated Short-Range Communications (DSRC) technology. In our proposed system the vehicle receiving the visual data from an adjacent vehicle fuses the received visual data with its own camera views to create a much richer visual scene. We conducted several experiments across a pair of vehicles equipped with DSRC devices and our proposed system. These experiments demonstrated that our system achieves high accuracy,…
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Data connectivity in HARSH ENVIRONMENTS

SAE Truck & Off-Highway Engineering: August 2019

Christian Manko
  • Magazine Article
  • 19TOFHP08_03
Published 2019-08-01 by SAE International in United States

Ensuring high-speed data transmission requires OEM designers to think more about components, placement and the impact of environmental conditions early in design.

Technology advances are increasingly bringing a new level of connectivity to industrial and commercial vehicles. Customers are demanding functionality that automates or enhances operational tasks to increase driver productivity and safety and, in many cases, also brings down total cost of ownership.

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Use Cases for Communication Between Plug-in Vehicles and the Utility Grid

Hybrid - EV Committee
  • Ground Vehicle Standard
  • J2836/1_201907
  • Current
Published 2019-07-15 by SAE International in United States

This SAE Information Report establishes Use Cases for communication between plug-in electric vehicles (PEVs) and the electric power grid, for energy transfer and other applications.

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The Navigator

Autonomous Vehicle Engineering: July 2019

Sam Abuelsamid
  • Magazine Article
  • 19AVEP07_02
Published 2019-07-01 by SAE International in United States

As the world turns to C-V2X, Europe picks WiFi

Vehicle-to-everything (V2X) communications is a relatively straightforward and inexpensive technology that has the potential to reduce crashes by improving driver situational awareness. Compared to the automated-driving technology that most of the industry is rushing to develop, V2X is cheap and can even be retrofitted to existing vehicles.

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A Framework for Vision-Based Lane Line Detection in Adverse Weather Conditions Using Vehicle-to-Infrastructure (V2I) Communication

Oakland University-Modar Horani, Osamah Rawashdeh
Published 2019-04-02 by SAE International in United States
Lane line detection is a very critical element for Advanced Driver Assistance Systems (ADAS). Although, there has been significant amount of research dedicated to the detection and localization of lane lines in the past decade, there is still a gap in the robustness of the implemented systems. A major challenge to the existing lane line detection algorithms stems from coping with bad weather conditions (e.g. rain, snow, fog, haze, etc.). Snow offers an especially challenging environment, where lane marks and road boundaries are completely covered by snow. In these scenarios, on-board sensors such as cameras, LiDAR, and radars are of very limited benefit. In this research, the focus is on solving the problem of improving robustness of lane line detection in adverse weather conditions, especially snow. A framework is proposed that relies on using Vehicle-to-Infrastructure (V2I) communication to access reference images stored in the cloud. These reference images were captured at approximately the same geographical location when visibility was clear and weather conditions were good. The reference images are used to detect and localize lane…
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Cooperative Collision Avoidance in a Connected Vehicle Environment

Ohio State University-Sukru Yaren Gelbal, Sheng Zhu, Gokul Arvind Anantharaman, Bilin Aksun Guvenc, Levent Guvenc
Published 2019-04-02 by SAE International in United States
Connected vehicle (CV) technology is among the most heavily researched areas in both the academia and industry. The vehicle to vehicle (V2V), vehicle to infrastructure (V2I) and vehicle to pedestrian (V2P) communication capabilities enable critical situational awareness. In some cases, these vehicle communication safety capabilities can overcome the shortcomings of other sensor safety capabilities because of external conditions such as 'No Line of Sight' (NLOS) or very harsh weather conditions. Connected vehicles will help cities and states reduce traffic congestion, improve fuel efficiency and improve the safety of the vehicles and pedestrians. On the road, cars will be able to communicate with one another, automatically transmitting data such as speed, position, and direction, and send alerts to each other if a crash seems imminent. The main focus of this paper is the implementation of Cooperative Collision Avoidance (CCA) for connected vehicles. It leverages the Vehicle to Everything (V2X) communication technology to create a real-time implementable collision avoidance algorithm along with decision-making for a vehicle that communicates with other vehicles. Four distinct collision risk environments are…
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Bi-Directional Wireless Power Transfer for Vehicle-to-Grid: Demonstration and Performance Analysis

Honda R & D Americas Inc.-Kosuke Tachikawa
WiTricity Corporation-Morris Kesler, Milisav Danilovic, Bryan Esteban, Oguz Atasoy, Kinjeo Yeung
Published 2019-04-02 by SAE International in United States
Vehicle-to-Grid (V2G) technology is expected to play a role in addressing the imbalance between periods of peak demand and peak supply on the electricity grid. V2G technology enables two-way power flow between the grid and the high-power, high-capacity propulsion battery in an electrified vehicle. That is, V2G enables a balance between power demand and supply, which is becoming difficult due to the introduction of intermittent sources of renewable energy. The authors have shown through system simulations that bi-directional wireless power transfer (WPT) is possible with a system that meets the emerging SAE J2954 standard. Based on the result, the authors have also demonstrated a bi-directional wireless charging system for V2G applications. In this work an existing SAE J2954 compatible uni-directional system was adapted to enable bi-directional wireless power transfer with minimum impact to system cost, while maintaining full compatibility with the requirements of SAE J2954. Results of system performance over the full range of operating conditions are reported.
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Improvement of the Resilience of a Cyber-Physical Remote Diagnostic Communication System against Cyber Attacks

SAE International Journal of Advances and Current Practices in Mobility

Softing Automotive Electronics GmbH-Peter Subke
Softing North America Inc.-Muzafar Moshref
  • Journal Article
  • 2019-01-0112
Published 2019-04-02 by SAE International in United States
In the near future, vehicles will operate autonomously and communicate with their environment. This communication includes Vehicle-to-Vehicle (V2V), Vehicle-to-Infrastructure (V2I) communication, and comunication with cloud-based servers (V2C). To improve the resilience of remote diagnostic communication between a vehicle and external test equipment against cyberattacks, it is imperative to understand and analyze the functionality and vulnerability of each communication system component, including the wired and wireless communication channels.This paper serves as a continuation of the SAE Journal publication on measures to prevent unauthorized access to the in-vehicle E/E system [9], explains the components of a cyber-physical system (CPS) for remote diagnostic communication, analyzes their vulnerability against cyberattacks and explains measures to improve the resiliance.
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