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How to Choose the Right Wireless Technology for Industrial Condition Monitoring

  • Magazine Article
  • TBMG-35194
Published 2019-09-01 by Tech Briefs Media Group in United States

Industries are constantly searching for new approaches to advance operational efficiency and product quality. With unplanned downtime estimated to cost manufacturers $50 billion each year, improving asset health and availability is a top priority.

new

The Many Uses of Inductive Position Sensors in the IIoT

  • Magazine Article
  • TBMG-35198
Published 2019-09-01 by Tech Briefs Media Group in United States

The IIoT is all about communication of information concerning the status of devices and being able to control them remotely. This imposes a whole new set of requirements on sensors. They have to be designed to be able to interface well with electronics and computers, with all of the complications of that, such as EMC — sensitivity to, and generation of, noise and interference. This can only be achieved with intelligent sensors. We interviewed K. Mark Smith, Ph.D., Senior Product Manager, Sensors, Microchip Technology, (Chandler, AZ) about the role of inductive position sensors in the IIoT.

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Steering for Off-Road, Rubber-Tired Machines

OPTC1, Personnel Protection (General)
  • Ground Vehicle Standard
  • J1511_201907
  • Current
Published 2019-07-29 by SAE International in United States

This SAE Standard applies to off-road rubber-tired machines having rated speed capability exceeding 20 km/h.

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Evaluation of Navigation in Mobile Robots for Long-Term Autonomy in Automotive Manufacturing Environments

Clemson University - ICAR-Jasprit Singh Gill, Mark Tomaszewski, Yunyi Jia, Pierluigi Pisu, Venkat N Krovi
Published 2019-04-02 by SAE International in United States
In recent times, a number of reference implementations of Simultaneous Localization and Mapping (SLAM) and navigation techniques have been made publicly available via the ROS Community. Several implementations have transitioned to commercial products (vacuum robots, drones, warehouse robots, etc.). However, in such cases, they are specialized and optimized for their specific domains of deployment. In particular, their success criteria have been based primarily on mission completion and safety of humans around them. In this light, deployment in any new operational design domain (ODD) requires at least a careful verification of performance and often re-optimization. We seek the technological gaps that need to be addressed to ensure the mobile robots are fit for automotive manufacturing environments. Automotive final assembly environments pose significant additional challenges for mobile robot deployment. They are replete with relatively unstructured tasks with significant uncertainty, involve tasks with skills that require robots to work in collaboration with humans and are time sensitive. Currently, metrics for evaluating mobile robot functionalities have been based on accuracy, functionality and resource consumption. In addition to these, automotive…
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Driverless Forklifts

  • Magazine Article
  • TBMG-33887
Published 2019-03-01 by Tech Briefs Media Group in United States

Although driverless forklifts have been around for about 30 years, it's only in the last 10 or so that they've been free to maneuver anywhere around their environment. In the early days, the machines followed a current in a wire buried in a concrete floor. There have since been a handful of different approaches, but all are variants on that theme. They went from wires in the floor to paint on the floor, to tape on the floor, to magnets in the floor, to reflectors on the walls, to QR codes on the ground, but they were all just different types of landmarks. So, the vehicles were confined to a fixed path — quite predictable, but extremely inflexible.

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Clip Fastener Fitting

Hydraulic Hose and Hose Fittings Committee
  • Ground Vehicle Standard
  • J1467_201808
  • Current
Published 2018-08-24 by SAE International in United States
This SAE Standard covers material and dimensional requirements of steel clip fastener fittings. These fittings are intended for use in hydraulic systems on industrial equipment primarily in mining applications.
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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, …).
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A Consolidated Investigation on LPG as an Alternative Fuel for Public Utility Jeepneys

University of the Philippines-Edwin N. Quiros, Karl B.N. Vergel, Ernesto B. Abaya, Jose Gabriel Mercado, Job Immanuel Encarnacion, Ervin Santos
Published 2018-04-03 by SAE International in United States
This paper presents the results of a two-phase Philippine study to determine the actual mileage (km/liter) of in-use diesel and LPG (liquefied petroleum gas or Auto-LPG) public utility jeepneys plying two separate Metro Manila urban routes using both on-road and chassis dynamometer tests. Measured average load factor in on-road tests was 60-70%. Dynamometer tests at 100% load factor utilized drive cycles derived from on-road speed data. A “diesel equivalent mileage” of actual LPG mileage, deemed indicative of LPG “fuel energy conversion efficiency” relative to diesel, was calculated (based solely on fuel heating values and densities) for comparing actual mileage from both fuels. The LPG actual mileage in both on-road and laboratory tests was lower than diesel mileage. In on-road tests, the LPG actual mileage was lower than diesel actual mileage by about the same percentage LPG heating value was lower than diesel’s per liter of fuel. The LPG diesel equivalent mileage was also about the same as diesel actual mileage so that fuel conversion efficiencies of both jeepney types were deemed similar. In chassis dynamometer…
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Industrial Rotary Encoders: Selecting the Right Device for Your Application

  • Magazine Article
  • TBMG-28811
Published 2018-04-01 by Tech Briefs Media Group in United States

Rotary encoders play important roles in motion control and industrial automation systems, providing control systems with information about the motion of motor shafts, pulleys, robot arms, etc. There are many variants available — some familiar and some highly innovative.

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Safety Signs for Off-Road Work Machines

HFTC2, Machine Displays and Symbols
  • Ground Vehicle Standard
  • J115_201803
  • Current
Published 2018-03-23 by SAE International in United States
SAE J115 specifies the relevant ISO standards for application to safety signs for use on off-road work machines as defined in SAE J1116.
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