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Routing Methods Considering Security and Real-Time of Vehicle Gateway System

FESCARO-Daehyun Kim
Infineon Technologies AG-Karel Heurtefeux
  • Technical Paper
  • 2020-01-1294
To be published on 2020-04-14 by SAE International in United States
Recently, vehicle networks have increased complexity due to the demand for autonomous driving or connected devices. This increasing complexity requires high bandwidth. As a result, vehicle manufacturers have begun using Ethernet-based communication for high-speed links. In order to deal with the heterogeneity of such networks where legacy automotive buses have to coexist with high-speed Ethernet links vehicle manufacturers introduced a vehicle gateway system. The system uses Ethernet as a backbone between domain controllers and CAN buses for communication between internal controllers.As a central point in the vehicle, the gateway is constantly exchanging vehicle data in a heterogeneous communication environment between the existing CAN and Ethernet networks. In an in-vehicle network context where the communications are strictly time-constrained, it is necessary to measure the delay for such routing task. In addition, due to the cyber-security risk, the security functions to ensure the integrity of the message has to be considered.This paper investigate the delay impact of the gateway routing of CAN frames considering security. In case of security, the CMAC is used to guarantee the integrity…
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Los Alamos High-Energy Neutron Testing Handbook

Honeywell Aerospace-Laura Dominik
Los Alamos National Laboratory-Steve Wender
  • Technical Paper
  • 2020-01-0054
Published 2020-03-10 by SAE International in United States
The purpose of the Los Alamos High-Energy Neutron Testing Handbook is to provide user information and guidelines for testing Integrated Circuits (IC) and electronic systems at the Irradiation of Chips and Electronics (ICE) Houses at the Los Alamos Neutron Science Center (LANSCE) at Los Alamos National Laboratory (LANL). Microelectronic technology is constantly advancing to higher density, faster devices and lower voltages. These factors may increase device susceptibility to radiation effects. The high-energy neutron source at LANSCE/LANL provides the capability for accelerated neutron testing of semiconductor devices and electronic systems and to simulate effects in various neutron environments.
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User’s Manual for Certification of Aircraft Electrical/Electronic Systems for the Indirect Effects of Lightning

AE-2 Lightning Committee
  • Aerospace Standard
  • ARP5415B
  • Current
Published 2020-03-05 by SAE International in United States
This ARP provides detailed information, guidance, and methods in support of the Federal Aviation Administration (FAA) Advisory Circular (AC) 20-136. AC 20-136 provides a means, but not the only means, for demonstrating compliance with Title 14 of the Code of Federal Regulations (14 CFR) 23.1306 (Amendment 23-61), 23.2515 (Amendment 23-64), 25.1316, 27.1316, and 29.1316. It is also intended for this ARP to provide the same information, guidance, and methods, to the European Aviation Safety Agency (EASA) certification specifications CS 23.1306 (Amendment 23/4), 23.2515 (Amendment 23/5), 25.1316, 27.1316, and 29.1316, and associated Acceptable Means of Compliance (AMC) 20-136. This ARP provides references relevant to identifying: (1) acceptance criteria for the indirect effects of lightning compliance approaches, (2) verification (analysis and test) methods including those associated with multiple stroke and multiple burst, (3) recommended design options to optimize needed system immunity to lightning indirect effects, and (4) provide guidance in the areas of continued airworthiness of the lightning protection. Equipment hazards due to the indirect effects on equipment mounted on the aircraft exterior, equipment located within the…
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3D Inductor Technology Expands Microchip Capability

  • Magazine Article
  • TBMG-36179
Published 2020-03-01 by Tech Briefs Media Group in United States

Engineers have boosted the performance of 3D inductor technology by adding as much as three orders of magnitude more induction to meet the performance demands of modern electronic devices.

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Passive RFID Tags Intended for Airborne Equipment Use

G-18 Radio Frequency Identification (RFID) Aero Applications
  • Aerospace Standard
  • AS5678B
  • Current
Published 2020-02-05 by SAE International in United States
The scope of this document is to: 1 Provide a requirements document for RFID tag manufacturers to produce passive-only UHF RFID tags for the aerospace industry. 2 Identify the minimum performance requirements specific to the Passive UHF RFID Tag to be used on airborne equipment, to be accessed only during ground operations. 3 Specify the test requirements specific to Passive UHF RFID tags for airborne equipment use, in addition to EUROCAE ED-14 / RTCA DO-160 compliance requirements separately called out in this document. 4 Identify existing standards applicable to Passive UHF RFID Tag. 5 Provide a certification standard for RFID tags which will use permanently-affixed installation on airborne equipment.
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Artificial Neurons Cure Chronic Diseases

  • Magazine Article
  • TBMG-36018
Published 2020-02-01 by Tech Briefs Media Group in United States

Artificial neurons on silicon chips that behave just like the real thing have been invented by scientists — a first-of-its-kind achievement with enormous scope for medical devices to cure chronic diseases, such as heart failure, Alzheimer’s, and other diseases of neuronal degeneration.

Future Advances in Electronic Materials and Processes - Flexible Hybrid Electronics

  • Magazine Article
  • TBMG-36053
Published 2020-02-01 by Tech Briefs Media Group in United States

This project performed an integrated assessment focused on projected advances in electronics materials and processes over the next 25 years and their implications for military aerospace applications, with a particular emphasis on flexible hybrid electronics (FHE).

3D Printed Plastics with High-Performance Electrical Circuits

  • Magazine Article
  • TBMG-35771
Published 2020-01-01 by Tech Briefs Media Group in United States

Engineers have embedded high-performance electrical circuits inside 3D printed plastics, which could lead to better-performing biomedical implants. They used pulses of high-energy light to fuse tiny silver wires, resulting in circuits that conduct 10 times more electricity than the state of the art. By increasing conductivity tenfold, the engineers can reduce energy use, extend the life of devices. and increase the device’s performance.

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Metallic Whiskers

AMS B Finishes Processes and Fluids Committee
  • Aerospace Standard
  • AIR4129A
  • Current
Published 2019-10-17 by SAE International in United States
This AIR presents an abbreviated review of the metallurgical phenomena known as whiskers. It is not all encompassing; rather, it is intended to introduce the design engineer to the technical issues of metallic whiskers, their formation, and the potentially dangerous problems they can cause.
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Tiny “Walking” Motor Moves in Discrete Mechanical Steps

  • Magazine Article
  • TBMG-35261
Published 2019-10-01 by Tech Briefs Media Group in United States

A set of five tiny fundamental parts can be assembled into a wide variety of functional devices including a tiny “walking” motor that can move back and forth across a surface or turn the gears of a machine. The work offers an alternative to current approaches to constructing robots, which largely fall into one of two types: custom machines that work well but are relatively expensive and inflexible, and reconfigurable ones that sacrifice performance for versatility.