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HEAT SEEKERS

Automotive Engineering: January/February 2020

Lindsay Brooke
  • Magazine Article
  • 20AUTP02_01
Published 2020-01-01 by SAE International in United States

While engineers debate the use of thermal-imaging sensors for ADAS, their capability and value are being proven for AVs of all levels.

What specific sensor types will comprise the advanced driver-assistance systems (ADAS) of the 2020s? That's a controversial subject among engineers who are developing SAE Level 2 and 3 (and the so-called “L2+”) ADAS sensing suites for new vehicles. Many of them believe that visible-light cameras fused with radar will suffice to deliver the object-identification accuracy, redundancy-and cost effectiveness-that OEMs and the driving public expect of ADAS-equipped vehicles.

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Silicon Valley Summit Identifies Safety Strategies for Self-driving Cars

Autonomous Vehicle Engineering: January 2020

Bradley Berman
  • Magazine Article
  • 20AVEP01_11
Published 2020-01-01 by SAE International in United States

AV industry leaders pinpointed several effective tactics, such as limiting vehicle speeds and empowering safety operators to ground vehicles.

Until recently, leading autonomous vehicle (AV) technologists posited that ultra-safe, go-anywhere robotaxis would soon be on the road. But questions about those timelines-and the safety of testing AVs on public roads-emerged in 2018 after a series of high-profile accidents. Consumers have since been caught in the middle between promises of eliminating highway fatalities and reports about deadly crashes.

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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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Personnel Protection for General Purpose Industrial Machines

OPTC1, Personnel Protection (General)
  • Ground Vehicle Standard
  • J98_201904
  • Current
Published 2019-04-11 by SAE International in United States
No Abstract Available.
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A Study of the Performance of Automatic Emergency Braking (AEB) Systems Equipped on Passenger Vehicles for Model Years 2013 to 2018

30 Forensic Engineering-Djordje Miholjcic, Mark Fabbroni, Richard Robinson
Published 2019-04-02 by SAE International in United States
Over the past decade, manufacturers have introduced vehicles equipped with Automatic Emergency Braking (AEB) into the North American market. These vehicles have the capability to not only detect an impending collision and warn the driver, but also to initiate braking independent of the driver. The collision avoidance strategies used by the various manufacturers have not been studied extensively. In 2013, the Insurance Institute for Highway Safety (IIHS) began testing vehicles equipped with AEB in rear-end collision situations in order to issue their front crash prevention safety ratings for these vehicles. To date, over 180 vehicles from 31 manufactures spanning model years 2013 to 2018 have been tested. This paper presents an analysis of the data collected in these tests. The objective of the study was to assess the differences in performance and strategies used, at two different closing speeds, between manufacturers. The difference in strategies included differences in braking rates and timing of the onset of braking. With more vehicles being equipped with AEB systems each year, this study will be a valuable resource for…
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Application of Collision Probability Estimation to Calibration of Advanced Driver Assistance Systems

Ohio State University-Vivek Bithar, Aditya Karumanchi
Published 2019-04-02 by SAE International in United States
Advanced Driver Assistance Systems (ADAS) are designed and calibrated rigorously to provide them with the robustness against highly uncertain environments that they usually operate in. Typical calibration procedures for such systems rely extensively on track (controlled environment) testing, which is time-consuming, expensive, and sometimes cannot cover all the critical test scenarios that could be encountered by ADAS in the real world. Therefore, virtual (simulation-based) testing and validation has been gaining more prominence and emphasis for ensuring high coverage along with easier scalability and usage. This paper attempts to provide an alternative approach for calibrating ADAS in the controller validation phase by the aid of simulated test case scenarios. The study executes characterization of the uncertainty in the position and heading of the ego and the obstacle vehicles. This exercise captures the uncertainties in the states detection of vehicles in the environment and localization errors of the states of the ego vehicle. Following it, the approach estimates the probability of collision between the two vehicles for a given trajectory through a Monte Carlo approach. For illustration…
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Emergency Portability of Slide/Rafts

S-9A Safety Equipment and Survival Systems Committee
  • Aerospace Standard
  • ARP5252A
  • Current
Published 2019-03-18 by SAE International in United States
This SAE Aerospace Recommended Practice (ARP) recommends design features for facilitating relocation of portable slide/rafts for deployment at an alternate exit under ditching conditions.
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Power Line Detection System for Unmanned Aircraft Systems

  • Magazine Article
  • TBMG-33098
Published 2018-10-01 by Tech Briefs Media Group in United States

Electrical power lines pose a serious crash hazard to helicopters and other air-based vehicles, especially small aerial vehicles such as unmanned aircraft systems (UAS). This is because power lines are so widespread, hard to see, and strung at roughly the same height above the ground at which these aircraft fly. In fact, according to one report by the Federal Aviation Administration (FAA), power lines are the cause of roughly 5 percent of helicopter accidents. This statistic applies to both civilian and military cases. Another report found power-line collisions are responsible for 31 percent of accidents among agricultural aircraft. Fatalities and injuries occurred in many of these accidents.

Key Technologies Needed to Advance Mission-Critical IoT

  • Magazine Article
  • TBMG-32497
Published 2018-08-01 by Tech Briefs Media Group in United States

By 2028, virtually all major sensing and feedback systems benefiting from continuous monitoring will connect to devices currently known as the Internet of Things (IoT). As that connectedness becomes a given, the need to label anything as IoT will become unnecessary, in much the same way that referring to a smartphone today as an Internet-connected device seems redundant. As the pervasiveness of the IoT spreads, it will change completely how the world interacts with information. And, it will have a dramatic impact on mission-critical IoT devices and the applications they enable.

Crash testing advances on many fronts

MOBILITY ENGINEERING: March 2016

Terry Costlow
  • Magazine Feature Article
  • 16MEIP03_18
Published 2016-03-01 by SAE International in United States

Traffic fatalities have declined significantly over the last several years, but the U.S. is on track to have its deadliest year since 2007, according to the National Safety Council. That's shining the spotlight on crash testing, which helps automakers create the safest vehicles possible.