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A V2V communication protocol to avoid Blind turn accidents and accidents happen

International Centre for Automotive Technology-Sachin Sachin
  • Technical Paper
  • 2019-28-2444
To be published on 2019-11-21 by SAE International in United States
Nowadays the sonar system is used to avoid accidents, which is not effective in case of high-speed at blind turn situation or through side crossing in high ways. That's because vehicle position is not along the line and speed is very high so sonar will not detect danger within avoidable time limits. it seems we need to develop some fast enough system to avoid these type of accidents.
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Research on CAN FD Controller Conformance Test System

Tongji University-Feng Luo, Zhuo Fu
Published 2019-11-04 by SAE International in United States
The Controller Area Network with Flexible Data-Rate (CAN FD) is invented to compensate for the limited bandwidth of Controller Area Network (CAN). The technology of CAN FD bus conformance test is a prerequisite for the interconnection and normal work of different manufacturers’ CAN FD module, and is of great significance for ensuring the reliability of the CAN FD network. Firstly, the communication protocol conformance test theory is briefly analyzed and the characteristics of the CAN FD protocol are introduced in this paper. Then the test scope and test objects of CAN FD conformance test are pointed out. This paper mainly focuses on the CAN FD controller conformance test, which is belong to chip test. The controller implements the most parts of data link layer in a CAN FD module. Furthermore, the test method and the test cases are elaborated. Based on the coordinated test method, a conformance test system is designed and the hardware and software are developed for the test system. The execution of the test process requires communication and coordination between the test…
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UNIX Tools for Typesetting and Shell Programming

  • Magazine Article
  • TBMG-35256
Published 2019-10-01 by Tech Briefs Media Group in United States

Jet Propulsion Laboratory (JPL) has developed software tools that extend the capabilities of the Groff typesetting system for UNIX. Groff, or GNU Troff, descends from the Troff formatter originally developed at AT&T Bell Labs. It operates on text files containing a mixture of unformatted text and formatting instructions (in the same spirit as HTML or TeX) and produces finished documents in various formats suitable for viewing or printing (PDF, HTML, etc.).

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A “STEP” Forward for Product Lifecycle Management

Aerospace & Defense Technology: October 2019

  • Magazine Article
  • 19AERP10_02
Published 2019-10-01 by SAE International in United States

The existence of countless proprietary file formats and the exchange of 3D CAD data has been a significant problem since the beginning of 3D CAD modeling. CAD applications and methods using digital data are constantly changing, which predicates the need for a solution to share validated and accurately translated data. Thus the birth of STEP242.

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‘Smart’ in Ohio's Heartland

Autonomous Vehicle Engineering: September 2019

Bill Visnic
  • Magazine Article
  • 19AVEP09_09
Published 2019-09-01 by SAE International in United States

With a 45-year history in vehicle testing, Ohio's Transportation Research Center launches a $45-million investment in the automated-vehicle future, becoming North America's largest dedicated AV test facility.

As notions advance regarding the evolving needs and requirements of automated-vehicle (AV) testing, there's a concurrent focus on the capabilities available from the world's comparatively meager number of suitable test facilities. Physical testing of AVs-and vehicles with advanced driver-assistance systems (ADAS)-in controlled environments is crucial, but demand for independent testing capacity continues to swell.

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Virtual MIL-STD-1553B Remote Terminals

  • Magazine Article
  • TBMG-35133
Published 2019-09-01 by Tech Briefs Media Group in United States

For complex boards with multiple FPGAs, each FPGA can implement its own remote terminal (RT) core and present itself logically to the bus as a remote terminal while sharing the RT’s hardware. This simplifies the design since commands and telemetry do not have to be distributed and collected by user logic; instead, the MIL-STD-1553B protocol does the work. Thus, the designer is more efficient, the system is simpler, and often the system is smaller and lower power.

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Communication for Smart Charging of Plug-in Electric Vehicles Using Smart Energy Profile 2.0

Hybrid - EV Committee
  • Ground Vehicle Standard
  • J2847/1_201908
  • Current
Published 2019-08-20 by SAE International in United States
This document describes the details of the Smart Energy Profile 2.0 (SEP2.0) communication used to implement the functionality described in the SAE J2836-1 use cases. Each use case subsection includes a description of the function provided, client device requirements, and sequence diagrams with description of the steps. Implementers are encouraged to consult the SEP2.0 schema and application specification for further details. Where relevant, this document notes, but does formally specify, interactions between the vehicle and vehicle operator.
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IEEE-1394b for Military and Aerospace Vehicles - Applications Handbook

AS-1A Avionic Networks Committee
  • Aerospace Standard
  • AIR5654A
  • Current
Published 2019-08-12 by SAE International in United States
This Handbook is intended to accompany or incorporate AS5643, AS5643/1, AS5657, AS5706, and ARD5708. In addition, full understanding of this Handbook also requires knowledge of IEEE-1394-1995, IEEE-1394a, and IEEE-1394b standards. This Handbook contains detailed explanations and architecture analysis on AS5643, bus timing and scheduling considerations, system redundancy design considerations, suggestions on AS5643-based system configurations, cable selection guidance, and lessons learned on failure modes.
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Recommended Practice for Pass-Thru Vehicle Programming

Vehicle E E System Diagnostic Standards Committee
  • Ground Vehicle Standard
  • J2534_201907
  • Current
Published 2019-07-29 by SAE International in United States
This SAE Recommended Practice provides the framework to allow reprogramming software applications from all vehicle manufacturers the flexibility to work with multiple vehicle data link interface tools from multiple tool suppliers. This system enables each vehicle manufacturer to control the programming sequence for electronic control units (ECU’s) in their vehicles, but allows a single set of programming hardware and vehicle interface to be used to program modules for all vehicle manufacturers. This document does not limit the hardware possibilities for the connection between the PC used for the software application and the tool (e.g., RS-232, RS-485, USB, Ethernet…). Tool suppliers are free to choose the hardware interface appropriate for their tool. The goal of this document is to ensure that reprogramming software from any vehicle manufacturer is compatible with hardware supplied by any tool manufacturer. The U.S. Environmental Protection Agency (EPA) and the California Air Resources Board (ARB) have proposed requirements for reprogramming vehicles for all manufacturers by the aftermarket repair industry. This document is intended to meet those proposed requirements for 2004 model year…
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Communication Transceivers Qualification Requirements - CAN

Vehicle Architecture For Data Communications Standards
  • Ground Vehicle Standard
  • J2962/2_201907
  • Current
Published 2019-07-18 by SAE International in United States
This document covers the requirements for transceiver qualification. Requirements stated in this document will provide a minimum standard level of performance for the CAN transceiver in the IC to which all compatible transceivers shall be designed. No other features in the IC are tested or qualified as part of this recommended practice. This will assure robust serial data communication among all connected devices, regardless of supplier. The goal of SAE J2962-2 is to commonize approval processes of CAN transceivers across OEMs. The intended audience includes, but is not limited to, CAN transceiver suppliers, component release engineers, and vehicle system engineers.
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