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2022-08-25
Abstract 2021-2022 Reviewers
Journal Article

A Receding Horizon Autopilot for the Two-Lane Highway Automated Driving Application through Synergy between the Robust Behavior Planner and the Advanced Driver Assistance Features

2022-08-25
Abstract Safety is always a crucial aspect of developing autonomous systems, and the motivation behind this project comes from the need to address the traffic crashes occurring globally on a daily basis. The present work studies the coexistence of the novel rule-based behavioral planning framework with the five key advanced driver assistance system (ADAS) features as proposed in this article to fulfill the safety requirements and enhance the comfort of the driver/passengers to achieve a receding-horizon autopilot. This architecture utilizes data from the sensor fusion and the prediction module for the prediction time horizon of 2 s iteratively, which is continuously moving forward (hence, the receding horizon), and helps the behavior planner understand the intent of other vehicles on the road in advance.
Journal Article

Reviewers

2022-08-25
Abstract 2021-2022 Reviewers
Journal Article

Reviewers

2022-08-25
Abstract 2021-2022 Reviewers
Journal Article

Reviewers

2022-08-25
Abstract 2021-2022 Reviewers
Journal Article

Reviewers

2022-08-25
Abstract 2021-2022 Reviewers
Journal Article

Reviewers

2022-08-25
Abstract 2021-2022 Reviewers
Journal Article

Reviewers

2022-08-25
Abstract 2021-2022 Reviewers
Standard

Reliability Prediction for Automotive Electronics Based on Field Return Data

2022-08-25
WIP
J3083
This document should be used as guidance for non-handbook based reliability predictions conducted on automotive electronics products. It presents a method that utilizes warranty and field repair data to calculate the failure rates of individual electronic components and predict the reliability of the entire electronic system. It assumes that the user has access to a database containing field return data with classification of components, times to failure, and a total number of components operating in the field.
Research Report

Car-sharing Mobility-on-Demand Systems

2022-08-24
EPR2022018
One-way car-sharing services (CSSs) are believed to be a promising transportation mode for urban mobility. Due to the disparity of city functional areas and population, travel demand and vehicle supply in a CSS may inevitably tend to be imbalanced as well. Therefore, an essential requirement of one-way CSSs is the capability of providing fleet management solutions to improve quality of service and system performance. In other words, a CSS depends heavily on technologies that offer strategic decisions on topics like Fleet sizing Location and capacity of depots and charging stations Matching of travelers with vehicles Relocation of vehicles and dispatchers for fleet rebalancing Balancing and charging schedules of electric vehicles Car-sharing Mobility-on-Demand Systems addresses trending CSS technologies and outlines some insights into the existing unsettled issues and potential solutions.
Research Report

Energy Options on the Path Toward a More Sustainable Transportation Sector

2022-08-24
EPR2022019
The transportation sector has an enormous demand for resources and energy, is a major contributor of emissions (i.e., greenhouse gases in particular), and it is defined largely by the kind of energy it uses—be it electric cars, biofuel trucks, or hydrogen aircraft. Given the size of this sector, it has a crucial role in combatting climate change and securing sustainability in its three forms: environmental, societal, and economic. Energy Options on the Path Toward a More Sustainable Transportation Sector examines the many questions concerning alternative energy options for mobility: Is hydrogen the fuel of the future? Is there is enough electricity to power a fully electric transportation sector? What happens when millions of electric vehicle batteries need to be decommissioned? Which regulatory measures are effective and appropriate for moving the sector in the right direction? What is the “right” direction? Click here to access the full SAE EDGETM Research Report portfolio.
Standard

Evaluation of Gas Turbine Engine Lubricant Compatibility with Elastomer O-Rings

2022-08-24
CURRENT
ARP6179
This test method provides procedures for exposing specimens of elastomer materials (AS 568-214 size O-rings) representative of those used in gas turbine engines to lubricants or reference fluids under defined time and temperature conditions. This test includes both suspended and compressed O-rings. Resultant changes in the O-ring’s physical properties (tensile strength, elongation, hardness, mass, volume, and compression set) are measured to determine the amount of deterioration of the elastomer.
Journal Article

Effect of Optimal Fuzzy Models for Pneumatic Magnetorheological Suspension System on Ride Performance under Different Conditions

2022-08-23
Abstract In this article, the nonlinear pneumatic magnetorheological (MR) suspension system is designed to improve vehicle characteristics in both ride comfort and dynamic stability. The four-degree-of-freedom (4-DOF) half-vehicle suspension system that is described based on bounce and pitch motions is derived. Both interval type-1 and interval type-2 of fuzzy models are applied as alternative controllers for the pneumatic MR suspension system. Both a controlled force of air spring and tracking ability of desired damping force are generated for each wheel of alternative controllers. In order to apply voltages for both the front and rear MR dampers, the tracks of desired damping forces are incorporated with the front MR damper controller and rear MR damper controller, respectively. The conventional damping case of the passive suspension system is used as a baseline for comparisons.
Research Report

General Aviation and the Transition to Electrification

2022-08-23
EPR2022015
The general aviation industry is about to be transformed by a rare convergence of technologies, mainly electrification, automation, and autonomy. Small aircraft of the future will be more sustainable, safer to operate, and more capable than today’s piston-engine aircraft. This report describes some of the challenges and opportunities that will arise when the upcoming technology convergence wave finds applications in four- to six-seat aircraft that will enter into service before the end of the 2020s. NOTE: SAE EDGE™ Research Reports are intended to identify and illuminate key issues in emerging, but still unsettled, technologies of interest to the mobility industry. The goal of SAE EDGE™ Research Reports is to stimulate discussion and work in the hope of promoting and speeding resolution of identified issues. These reports are not intended to resolve the challenges they identify or close any topic to further scrutiny.
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