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SAE Truck & Off-Highway Engineering: December 2019

  • Magazine Issue
  • 19TOFHP12
Published 2019-12-05 by SAE International in United States
Heavy-duty engine design What are the most significant factors influencing the way engine developers approach near-term design and development cycles? Two experts provide their insights from recent programs.Reducing winter range loss for electric trucks Researchers at the Austrian Institute of Technology have developed an air exchange system that's capable of reducing heat load by 37% in real-world tests.Narrower focus, bigger payoff Design teams are targeting focused markets for their commercial electric-vehicle programs to combat challenges like range and infrastructure.Removing complexity for autonomous trucks Narrowing the operating domains for driverless commercial vehicles reduces the requirements of autonomous technology and speeds time to market.Plastics innovations 2019 The 49th annual SPE Automotive Awards highlight the ongoing benefits of lightweight polymers and composites.Editorial Hop on the hydrogen highwayLeak testing of commercial-vehicle AC systems critical as move to HFO refrigerants loomsAkasol packs industry-leading energy density into new battery designMahle and partners develop super-efficient natural-gas engine for stationary powerHow battery technology will drive truck electrificationPlatinum nanoparticles for fuel-cell catalysts may cut costCaterpillar launches next-gen mini hydraulic excavator, skid steer and compact…
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3D Sonar Sees Objects Overlooked by Costlier Sensors

Autonomous Vehicle Engineering: December 2019

Bradley Berman
  • Magazine Article
  • 19AVEP11_07
Published 2019-11-01 by SAE International in United States

A dream of robotic fish inspires inexpensive automated-driving sensing technology that works for the critical areas close to the vehicle.

Alexander Rudoy was spending almost every hour of his free time developing a robotic toy fish that could sense its underwater surroundings. At that time a decade ago, he was studying electromechanical engineering at the Munich University of Applied Sciences, where he earned a Masters degree in 2015. Rudoy never finished his robo-guppy, but even before graduating, he founded Toposens, a company that now utilizes the guppy's underlying close-distance ultrasound technology for a wide range of vital automated-vehicle operations.

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Q&A

Automotive Engineering: November/December 2019

  • Magazine Article
  • 19AUTP11_17
Published 2019-11-01 by SAE International in United States

Valeo is an industry leader in technologies essential to vehicle electrification and connected/automated driving. The French Tier 1 pioneered 48V mild-hybrid systems and is a major producer of e-hardware and software including belt-starter generators, power electronics, electric superchargers and traction motors. Valeo recently entered a collaboration with Dana Inc. to develop and supply electrified AWD systems featuring 48-V hybrid power. The first of these is scheduled to launch in volume in early 2020 with a major European OEM.

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SAE STANDARDS NEWS

Automotive Engineering: November/December 2019

  • Magazine Article
  • 19AUTP11_06
Published 2019-11-01 by SAE International in United States

SAE International's Global Ground Vehicle Standards group is planning a Legislation, Regulation, Enforcement Workshop in collaboration with the Washington Area New Automobile Dealers Association (WANADA) scheduled for January 21, 2020. This special event will be held just ahead of the 2020 SAE Government/Industry Meeting (GIM) in Washington, D.C., which is set for January 22-24.

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Thumb Design and Optimization for Backhoe Loader

John Deere C&F-Kurtis Langner
John Deere India Pvt. Ltd.-Sandeep Dhotre, Surya Pratap Ponnana, Amit Ghate
Published 2019-10-11 by SAE International in United States
Product Engineering organizations are committed to provide solutions with the right quality and value to customers. Value improvement and efficient product improvement are key considerations for product engineering.In this paper, the Author summaries thumb design and optimization for backhoe loader. The project goal was to create an in-house thumb design. The backhoe thumb attachment was previously a proprietary design of a supplier. The supplier’s design had two major limitations, limited opportunity of design improvements for resolving customer issues and higher total cost. This paper covers details about overcoming these limitations.Multiple variants of backhoe loaders use four different thumbs. Small and mid- range backhoe machine classes use 4-tine and 2-tine thumb depending upon customer applications. The design team targeted an external customer requirement of a more compact design and internal requirement of accelerating design improvement cycle time and reducing cost. To overcome these concerns, along with few more constraints, a full study of a new thumb design was conducted. Key constraints included compatibility to current design, maintain tip forces, and optimize for a compact design. Verification…
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CONTI SUITS UP

Automotive Engineering: October 2019

Lindsay Brooke
  • Magazine Article
  • 19AUTP10_01
Published 2019-10-01 by SAE International in United States

A team of young innovators aims to transform a critical piece of safety equipment - and create new business - through collaboration.

Few colors shock the human brain into attention more than high-visibility Yellow. “Hi-viz” as it's known in the safety-apparel industry, is an on-the-job requirement for first responders, road workers, tow-truck drivers, linesmen, loggers, couriers, coast guard deck crews - any all-weather vocation for which being seen in low-visibility situations can make the difference between life and death. Included are overnight package-delivery drivers who must sprint across busy city streets - at night, in the fog and rain - to deliver the goods.

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Machine Vision Camera Trends: 2019 and Beyond

  • Magazine Article
  • TBMG-35168
Published 2019-09-01 by Tech Briefs Media Group in United States

Each passing year, machine vision is finding its way into applications that were not commercially feasible — and in some cases, impossible — prior to new software advances such as deep learning and related neural network processing techniques. Despite being some 50 years along the maturation curve, machine vision is just beginning to see its full potential as it heads toward the next industrial revolution, marked by increased machine-to-machine cooperation and machine-to-human collaboration.

Pathfinder Radar ISR and SAR Systems: Tactical Eyes for the Warfighter

  • Magazine Article
  • TBMG-34867
Published 2019-08-01 by Tech Briefs Media Group in United States

Sandia National Laboratories’ (Albuquerque, NM) Radar Intelligence, Surveillance and Reconnaissance (ISR) systems enable a new product paradigm in radar capabilities and modalities. With the ability to shrink sensor size, increase resolution, raise image quality, and advance realtime onboard processing, Sandia has been producing next-generation systems for nearly three decades. Sandia specializes in the full system design of Synthetic Aperture Radar (SAR), Ground Moving Target Indicator (GMTI), target recognition, and other sensor systems for the Department of Defense, other government agencies, and industry partners.

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SAE Truck & Off-Highway Engineering: August 2019

  • Magazine Issue
  • 19TOFHP08
Published 2019-08-01 by SAE International in United States
Electric machines find their niche Smaller machines working in cities are particularly ripe for electrification, but most off-highway applications will retain the internal-combustion engine.Big data, big benefits Data mining helps users and equipment developers use data from on-vehicle sensors to work more efficiently.Data connectivity in harsh environments Ensuring high-speed data transmission requires OEM designers to think more about components, placement and the impact of environmental conditions early in design.Trucks with intuition Perceptive Automata partners with Volvo Trucks to demonstrate AI technology that can determine when pedestrians will cross the road.Change is afoot Cummins and its CTO help focus the 2019 SAE COMVEC on the fast-shifting technology landscape that faces both on- and off-highway sectors.Editorial AI, ADAS & AVs-oh my!Holistic hydraulic designs add more sensors, controlsDSD helps 'balance the books' for buying electric truck technologyJCB prepared to meet EU Stage V emissionsProtecting a cyber-physical remote diagnostic communication system against cyberattacksSKF employs digital tools to enhance bearing design, performanceNew Mercedes-Benz Actros loaded with ADAS, active safety techQ&A Peloton CEO Josh Switkes explains Level 4 'automated following' platooning
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Trucks with INTUITION

SAE Truck & Off-Highway Engineering: August 2019

Sebastian Blanco
  • Magazine Article
  • 19TOFHP08_04
Published 2019-08-01 by SAE International in United States

Perceptive Automata partners with Volvo Trucks to demonstrate AI technology that can determine when pedestrians will cross the road.

The automotive and commercial vehicle industries are working on answers to a tremendous number of questions no one bothered to ask before. Volvo, for example, wants to know if vehicles can have human intuition.

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