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Build it and they Will Come

Autonomous Vehicle Engineering: March 2020

Bill Visnic
  • Magazine Article
  • 20AVEP03_08
Published 2020-03-01 by SAE International in United States

Moving beyond vehicles, Toyota plans to manufacture a whole city.

There's hardly a region on Earth that Toyota doesn't reach. At the 2020 CES conference, the company announced a visionary project of similar scope, saying it intends to build a “prototype town of the future” to prove out new technologies of all kind, not just transportation-related. Toyota's Woven City is envisioned as “home to full-time residents and researchers who will be able to test and develop technologies such as autonomy, robotics, personal mobility, smart homes and artificial intelligence in a real-world environment.”

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Power Quality Requirements for Plug-In Electric Vehicle Chargers

Hybrid - EV Committee
  • Ground Vehicle Standard
  • J2894/1_201901
  • Current
Published 2019-01-23 by SAE International in United States
The intent of this document is to develop a recommended practice for PEV chargers, whether on-board or off-board the vehicle, that will enable equipment manufacturers, vehicle manufacturers, electric utilities, and others to make reasonable design decisions regarding power quality. The three main purposes are as follows: 1 To identify those parameters of PEV battery charger that must be controlled in order to preserve the quality of the AC service. 2 To identify those characteristics of the AC service that may significantly impact the performance of the charger. 3 To identify values for power quality, susceptibility, and power control parameters which are based on current U.S. and international standards. These values should be technically feasible and cost effective to implement into PEV battery chargers. SAE J2894/2 will describe the test methods for the parameters/requirements in this document.
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Big Data Analytics for Connected, Autonomous Vehicles and Smart Cities

  • Professional Development
  • C1912
Published 2018-12-18

There is growing interest in the concept of a smart city and how these advanced technologies will improve the quality of living and make a city more attractive to visitors, commerce and industry. This course fills an unmet need for defining and explaining the relationship between connected and autonomous vehicles (CAVs) and smart city transportation. It is apparent that CAVs will achieve the best results when integrated with current and emerging urban infrastructure for transportation.

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Simulative Evaluation of Various Thermodynamic Cycles and the Specification of Their System Components Regarding the Optimization of a Cogeneration Unit

Technical University of Munich, Germany-Sebastian Andreas Zirngibl, Florian Günter, Maximilian Prager, Georg Wachtmeister
Published 2018-09-05 by SAE International in United States
Given the increasing globalization and industrialization, the worldwide demand for energy continuously increases. In the context of modern Smart Grids, especially small and distributed power plants are a key factor. The present article essentially focuses on the investigation of different approaches for waste heat recovery (WHR) in small-scale CHP (combined heat and power) applications with an output range of approximately 20 kW. The engine integrated into the CHP system under investigation applies a lean-burn combustion process generally providing comparatively low exhaust gas temperatures, thus requiring a careful design that is crucial for efficient WHR. Therefore, this article presents the development and use of a simulation environment for the design and optimization of WHR in small-scale CHP applications. The MATLAB-based code allows various combinations of specific components (e.g., heat exchangers and pumps, as well as turbines and compressors) in different thermodynamic cycles. The focus of this article essentially lies on the comparison of the Joule-Brayton and the Clausius-Rankine cycle regarding operating characteristics as well as the selection of specific working fluids. For the Brayton cycle, the…
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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.

Instructions for Using Plug-In Electric Vehicle (PEV) Communications, Interoperability and Security Documents

Hybrid - EV Committee
  • Ground Vehicle Standard
  • J2836_201807
  • Current
Published 2018-07-18 by SAE International in United States
This SAE Information Report J2836 establishes the instructions for the documents required for the variety of potential functions for PEV communications, energy transfer options, interoperability and security. This includes the history, current status and future plans for migrating through these documents created in the Hybrid Communication and Interoperability Task Force, based on functional objective (e.g., (1) if I want to do V2G with an off-board inverter, what documents and items within them do I need, (2) What do we intend for V3 of SAE J2953, …).

Rethinking FPGAs for Smart Cameras

  • Magazine Article
  • TBMG-29739
Published 2018-07-01 by Tech Briefs Media Group in United States

The term “smart camera” has been used for decades, but there has been little agreement on the actual definition. This article will use the term “smart” as the Merriam Webster dictionary defines it: the ability to apply knowledge to manipulate one’s environment. Smart is also applied as an adjective, such as smart weapon and smart electrical grid, by achieving greater versatility.

Oak Ridge National Laboratory

  • Magazine Article
  • TBMG-28874
Published 2018-05-01 by Tech Briefs Media Group in United States

This year, Oak Ridge National Laboratory (ORNL) marks 75 years as a research institution. Located in Oak Ridge, TN, ORNL is the largest US Department of Energy science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security.

National Institute of Standards and Technology (NIST)

  • Magazine Article
  • TBMG-27184
Published 2017-07-01 by Tech Briefs Media Group in United States

The National Institute of Standards and Technology (NIST) was founded in 1901, and is now part of the U.S. Department of Commerce. Based in Gaithersburg, MD, it was established to remove a major challenge to U.S. industrial competitiveness at the time — a second-rate measurement infrastructure that lagged behind the capabilities of the United Kingdom, Germany, and other economic rivals.

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Risks of Lightning to Automotive Occupants and Electrical/Electronic Systems

Nippon Institute of Technology-Sultan A.M Alkhteeb, Shigeru Oho, Yuki Nagashima, Seisuke Nishimura, Hiroyuki Shimizu
Published 2017-03-28 by SAE International in United States
Lightning strikes on automobiles are usually rare, though they can be fatal to occupants and hazardous to electronic control systems. Vehicles’ metal bodies are normally considered to be an effective shield against lightning. Modern body designs, however, often have wide window openings, and plastic body parts have become popular. Lightning can enter the cabin of vehicles through their radio antennas. In the near future, automobiles may be integrated into the electric power grid, which will cause issues related to the smart grid and the vehicle-to-grid concept. Even today, electric vehicles (EVs) and plug-in hybrid vehicles (PHEVs) are charged at home or in parking lots. Such automobiles are no longer isolated from the power grid and thus are subject to electric surges caused by lightning strikes on the power grid. A charging system connected to an EV or PHEV should absorb the surge, but powerful lightning strikes can overwhelm the surge protection and intrude into the electric and electronic (E/E) systems of the vehicles, as often happens with household electrical equipment.This paper discusses the increasing risks…
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