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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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Autonomous Vehicle Engineering: July 2019

  • Magazine Issue
  • 19AVEP07
Published 2019-07-05 by SAE International in United States
Editorial The consolidation plot thickensThe Navigator As the world turns to C-V2X, Europe picks WiFiComplexity of Autonomous-Systems Simulation, Validation Soars to the Clouds Scalable, cloud-based architectures are gaining greater acceptance for simulating and testing the myriad development aspects of automated driving.Connectivity Solutions for AVs The promises of fully connected autonomous vehicles are great, but so are the challenges.What M&E Can Teach the AV Industry About Data Media & entertainment offers important learnings on data retention, management, scalability and security.The Rodney Dangerfield of Automated-Driving Sensors Radar and lidar get all the attention, but Inertial Measurement Units are the backbone of sensor fusion. Suppliers are scrambling to make IMUs more accurate-and much less expensive.The Sense-itive Side of Autonomous Vehicles BASF is exploring how specific materials-and even paint colors and finishes-can improve the capabilities of AV sensors.German University Studying Assisted-Driving 'Handoff' Germany's Kempten University Adrive Living Lab will feature aVDS driving simulator to research ADAS stress levels.ZF's Current Work Builds for the EV, AV Future The Tier-1 giant's "vision" for improving future mobility leverages its latest safety and…
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Delivering on Autonomous Transport

Autonomous Vehicle Engineering: July 2019

Ryan Gehm
  • Magazine Article
  • 19AVEP07_12
Published 2019-07-01 by SAE International in United States

Einride ramps up industry partnerships and on-road demos of its all-electric self-driving truck that's missing one thing: a cab for the drivers.

“Data is the most efficient propellant.” This expression underpins the founding in 2016 of the Swedish startup Einride. The fledgling tech company currently is partnering with well-established transport-intensive companies, at an increasingly accelerated rate, to run its cab-less autonomous truck, the T-pod, at their facilities and even on public roads. These activities are coordinated by intelligent routing software that integrates customer data, traffic data, vehicle data, etc., to optimize delivery time, battery life and energy consumption.

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Driverless Ridesharing Remains in Uber's Sights

Autonomous Vehicle Engineering: July 2019

Kami Buchholz
  • Magazine Article
  • 19AVEP07_13
Published 2019-07-01 by SAE International in United States

Introducing a new, production-ready AV with partner Volvo, Uber's rideshare network is likely to offer self-driving vehicles on select routes.

Uber hasn't set a timeline for deploying autonomous vehicles (AVs) on its worldwide ridesharing network, but plenty has happened since the company began development work in 2015-the latest being the June 2019 introduction with close partner Volvo Cars of a self-driving vehicle the companies claim is production-ready.

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Uncertainty of the Ice Particles Median Mass Diameters Retrieved from the HAIC-HIWC Dataset: A Study of the Influence of the Mass Retrieval Method

Delphine Leroy
Airbus-Alice Grandin, Fabien Dezitter
Published 2019-06-10 by SAE International in United States
In response to the ice crystal icing hazard identified twenty years ago, aviation industry, regulation authorities, and research centers joined forces into the HAIC-HIWC international collaboration launched in 2012. Two flight campaigns were conducted in the high ice water content areas of tropical mesoscale convective systems in order to characterize this environment conducive to ice crystal icing. Statistics on cloud microphysical properties, such as Ice Water Content (IWC) or Mass Median Diameter (MMD), derived from the dataset of in situ measurements are now being used to support icing certification rulemaking and anti-icing systems design (engine and air data probe) activities. This technical paper focuses on methodological aspects of the derivation of MMD. MMD are estimated from PSD and IWC using a multistep process in which the mass retrieval method is a critical step. Complementary to previous studies reporting on MMD values calculated from the HAIC-HIWC dataset, this paper deals with the uncertainty in MMD by comparing two different approaches for the retrieval of the mass-size (m-D) relationship. The analysis encompasses the data collected in the…
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