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Unsettled Domains Concerning Autonomous System Validation and Verification Processes

EllectroCrafts Aerospace-Fabio Alonso da Silva
  • Research Report
  • EPR2019012
To be published on 2019-12-20 by SAE International in United States
The Federal Aviation Administration (FAA) and the Department of Transportations' (DOT's) National Highway Traffic Safety Administration (NHTSA) face similar challenges regarding the regulation of autonomous systems powered by artificial intelligence (AI) algorithms that replace the human factor in the decision-making process. The validation and verification (V&V) processes contribute to the implementation of the correct system requirements. The V&V process is one of the steps of a development lifecycle starting with the definition of regulatory, marketing, operational, performance, and safety requirements. They define what a product is, and they flow down into lower level requirements defining control architectures, hardware, and software. The industry is attempting to define regulatory requirements and a framework to gain safety clearance of such products. This report suggests a regulatory text and a safety and V&V approach from an aerospace engineering perspective assessing the replacement of the human driver from the decision-making role by a computational system. This article suggests an approach where aerospace guidelines can be used alongside ISO 26262 in order to define a viable and valuable framework for autonomous…
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CRIMPING TOOL, TYPE 2, TERMINAL, HAND, WIRE TERMINATION FOR SIZE 16 SHIELDED CONTACTS (OUTER CONTACT)

AE-8C2 Terminating Devices and Tooling Committee
  • Aerospace Standard
  • AS22520/19A
  • Current
Published 2019-12-09 by SAE International in United States

Scope is unavailable.

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CRIMPING TOOL, TYPE 2, TERMINAL, HAND, WIRE TERMINATION FOR SIZE 12 SHIELDED CONTACTS (OUTER CONTACT)

AE-8C2 Terminating Devices and Tooling Committee
  • Aerospace Standard
  • AS22520/21A
  • Current
Published 2019-12-09 by SAE International in United States

Scope is unavailable.

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Unsettled Issues in Determining Appropriate Modeling Fidelity for Automated Driving Systems Simulation

Silicon Valley Mobility-Sven Beiker
  • Research Report
  • EPR2019007
Published 2019-12-06 by SAE International in United States
This SAE EDGE™ Research Report identifies key unsettled issues of interest to the automotive industry regarding the challenges of achieving optimal model fidelity for developing, validating, and verifying vehicles capable of automated driving. Three main issues are outlined that merit immediate interest:First, assuring that simulation models represent their real-world counterparts, how to quantify simulation model fidelity, and how to assess system risk.Second, developing a universal simulation model interface and language for verifying, simulating, and calibrating automated driving sensors.Third, characterizing and determining the different requirements for sensor, vehicle, environment, and human driver models.SAE EDGE™ Research Reports are preliminary investigations of new technologies. The three technical issues identified in this report need to be discussed in greater depth with the aims of, first, clarifying the scope of the industry-wide alignment needed; second, prioritizing the issues requiring resolution; and, third, creating a plan to generate the necessary frameworks, practices, and protocols.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…
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CRIMPING TOOL, TYPE 2, TERMINAL, HAND, WIRE TERMINATION FOR SIZE 12 SHIELDED CONTACTS (SHIELD CRIMP SLEEVE)

AE-8C2 Terminating Devices and Tooling Committee
  • Aerospace Standard
  • AS22520/22A
  • Current
Published 2019-12-05 by SAE International in United States

Scope is unavailable.

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CRIMPING TOOL, TYPE 2, TERMINAL, HAND, WIRE TERMINATION FOR SIZE 16 SHIELDED CONTACTS (SHIELD CRIMP SLEEVE)

AE-8C2 Terminating Devices and Tooling Committee
  • Aerospace Standard
  • AS22520/20A
  • Current
Published 2019-12-05 by SAE International in United States

Scope is unavailable.

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Electronic Differential Control of Rear-Wheel Independent-Drive Electric Vehicle

SAE International Journal of Vehicle Dynamics, Stability, and NVH

China-Hang Yun
Jiangsu University, China-Ren He
  • Journal Article
  • 10-04-01-0004
Published 2019-12-02 by SAE International in United States
To track desired slip ratios and desired longitudinal speeds at the centers of driving wheels in the curve, this article proposes a hierarchical structured electronic differential control (EDC) of rear-wheel independent-drive electric vehicle (EV). In the high-level control, a fuzzy algorithm-based coefficient is computed according to the driver’s emotional intention of acceleration. The fuzzy algorithm-based coefficient is used to correct the desired driving torque of vehicle transmitting to the medium-level control. In the medium-level control, an optimization algorithm is developed to allocate the desired torques with requirement of as much accurate yaw moment as possible by the desired driving torque of the vehicle and yaw moment. And the desired longitudinal speeds at the centers of the rear left and right wheels are corrected twice, respectively, by Ackermann steering principle, considering the slip angle of the wheel and yaw moment. Based on the desired torques and desired longitudinal speeds at the centers of the rear left and right wheels from the medium-level control, desired slip ratios and desired angular speeds of the rear left and right…
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Kirigami Inspires New Method for Wearable Sensors

  • Magazine Article
  • TBMG-35627
Published 2019-12-01 by Tech Briefs Media Group in United States

Researchers have applied kirigami architectures to graphene, an ultra-thin material, to create sensors suitable for wearable devices. Simulations were done using online software on a nanomanufacturing node, the first of its kind to be developed.

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Wearable Trackers Predict Death Risk

  • Magazine Article
  • TBMG-35629
Published 2019-12-01 by Tech Briefs Media Group in United States

A recent study shows that wearable accelerometers — mechanical sensors worn like a watch, belt, or bracelet to track movement — are a more reliable measure of physical activity and better than patient surveys and other methods used by physicians at assessing five-year risk of death in older adults.

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Removing complexity for AUTONOMOUS TRUCKS

SAE Truck & Off-Highway Engineering: December 2019

Terry Costlow
  • Magazine Article
  • 19TOFHP12_04
Published 2019-12-01 by SAE International in United States

Narrowing the operating domains for driverless commercial vehicles reduces the requirements of autonomous technology and speeds time to market.

Developers of driverless trucks are eliminating some of the complexity of automated driving in hope of hastening time to market. They are limiting the nearly immeasurable scope of circumstances - the operating design domain (ODD) - that face driverless vehicles by deploying a variant of platooning, or narrowing the operational parameters for transporting goods. Driver shortages, growth in shipments of online purchases and the never-ending push to trim costs are among the factors that have led many to predict that commercial trucking will be an early adopter of autonomy.

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