Aerospace & Transportation

Yokogawa is a leader in the Aerospace and Homeland Security Industries. We take pride and honor in partnering with industry giants such as Airbus and Boeing. We strive to meet our customer's unique needs by developing highly precise measuring instruments that test to the prescribed industry standards and meet the rigorous demands of emerging technologies.

 

"I owe my career to T&M"
It’s not an exaggeration to say I owe a good bit of my career success to Yokogawa Test&Measurement. By using their ScopeCorders that combine the best parts of an oscilloscope and DAQ, projects that once took weeks across multiple instruments suddenly only took a few hours with just one instrument. The impact on what I could accomplish really was quite remarkable, and my ability to accurately complete projects in record time made me look incredible. No matter how complex or convoluted the task, the ScopeCorders never fail to easily handle anything I throw at them. They’re amazing instruments and I tell others about them every chance I get.
—Kenneth Shoemaker
Automotive Industry Consultant/Owner at Panama Prototypes

 

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Measuring efficiency with high precision: simultaneous measurement of input and output

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Observation of Inverter Switching Waveforms

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Lack of reliable high-speed internet access in rural regions, due to complicated logistics and the considerable costs involved to extend land-based networks to these areas, has inspired a wave of next-generation applications that will provide greater accessibility and reliability. Making use of “space laser” networks, these revolutionary solutions can relay digital traffic via low Earth orbit (LEO) satellite systems to provide low-latency, high-speed broadband services to communities typically beyond the reach of standard wireless and fiber networks.

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This application note provides guidance for making measurements relating to field-oriented control of electric motors and presents an example use case that illustrates how to accomplish these with the /MT1 option on a Yokogawa Test&Measurement DL950 ScopeCorder. Specifically addressed are direct and quadrature currents of a surface-mounted permanent magnet motor with field weakening applied. The techniques discussed are also applicable to other field-oriented control variables, algorithms, and motor technologies.

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Using the OR trigger and Dual Capture, it is easy to trap and record failure conditions on electrical harnessses (wiring interconnects) over a long duration test.

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The accuracy of a measurement instrument varies with the range over which a reading is measured. Not all instrument manufacturers specify accuracy and ranges in the same manner. This article explores the impact of range definitions on measurement accuracy and how one can be mindful when comparing accuracy across instruments.

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Evaluation of Wireless Charging System for EV/PHV

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What is an Oscilloscope? Oscilloscopes, also called digital storage oscilloscopes (DSOs) or mixed signal oscilloscopes (MSOs), are common test instruments used to display, analyze, and troubleshoot electrical or physical signals.

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Surge Waveform Recording & Power Monitoring

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Measuring Conversion Efficiency of Power Conditioner

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Capture and recreate waveforms with a DLM2000 and FG420

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What is a Power Analyzer? Power analyzers and power meters measure electrical power in devices that generate, transform, or consume electricity.

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A ScopeCorder is a powerful portable data acquisition recorder that combines features of a multi-channel digital oscilloscope and a high-performance oscillographic recorder. As such, it can capture and analyze both short-term transient events and long-term trends for periods up to 200 days.

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Evaluating Magnetic Components

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With increased focus on reducing energy consumption and compliance with efficiency standards, this app note provides an overview on the types of measurements needed for efficiency and power quality, and the instruments that take them.

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To best utilize SiC devices for improved energy efficiency in equipment, it is important to optimize the internal device peripheral circuits in the inverter according to the device characteristics.

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  • Power consumption/quality measurements for product design and test
  • Design, compliance, and customer information
  • Best practices
  • Instruments and components
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Characteristics of Transient Response from Industrial Robots

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One of the main responsibilities of engineers and technicians is data analysis, and this article will show how multi-touch technologies can be used to improve the performance of this and other related tasks.

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Reference equipment for power calibration

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In this application note you will learn when and how to use different methods to connect a current transformer to a power analyzer.

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How can I capture data from motion sensors synchronized with other analog data? The Yokogawa ScopeCorder series of instruments feature input modules and functions to make this possible. 

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Use built-in calculations to analyze motor rotor position of Brushless DC motors (BLDC) and Permanent Magnet Synchronous Machines (PMSM) and find the relative angle between the rotor and position sensors such as encoders or resolvers 

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RTCA Inc, (Radio Technical Commission for Aeronautics) Washington, DC, is a non-profit corporation that functions as a Federal Advisory Committee to the Federal Aviation Administration (FAA).  Its recommendations serve as the basis for policy, program and regulatory decisions.  Sub-committee SC-135 produces the RTCA/DO-160E document titled Environmental Conditions and Test Procedures for Airborne Equipment.  This document defines the test conditions and procedures for testing airborne equipment and is the standard by which Boeing, Airbus and other manufacturers require avionic components and sub-systems to be tested.

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The DL850 Scopecorder can take engineers to a new level of efficiency in the development of everything from green devices to complex advanced systems.

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The request for lower uncertainties in power measurements are increasing,especially in the transformer industries. Their role is to ensure that the electricity is distributed in an efficient and reliable way. 

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This article looks at some of the factors that can affect the accuracy of power measurements and shows how users can address the challenges presented by the need for accurate energy-efficiency testing.

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The objective of this paper is to show the close relationship between efficiency and power quality, and provide education on the causes of power quality, types of power quality issues, and provide guidance on measurement considerations.

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  • Motor testing, variable speed drive testing procedure
  • AC, DC, and power measurement
  • Precision measurements on motors and VFD systems
  • How to calculate energy efficiency 

 

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This white paper describes the WT1800, a precision power analyzer that has been replaced by the WT1800E, a unit with numerous improvements including better accuracy. Please visit the WT1800E product page to learn more about the WT1800E.

To keep pace with the increasing speed of switching devices in inverters, Yokogawa has developed the WT1800 precision power analyzer with 10 times faster sampling speed and 5 times wider frequency bandwidth compared with previous models. Its basic accuracy is 0.15% and the frequency bandwidth of voltage and current is 0.1 Hz to 5 MHz (-3 dB, Typical) including the DC component. With up to six inputs, a single WT1800 unit can measure the efficiency of three-phase inverters. In addition, the high-speed data capturing mode allows the WT1800 to measure transient power. This paper describes the high-speed, real-time power measurement technologies underlying these functions.

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Yokogawa Test&Measurement WT5000 Precision Power Analyzer training module series: Setup menu including basic setttings and advanced options

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Part 1 - Part 7 of the Yokogawa Test&Measurement IS8000 Integrated Test and Measurement Software Platform training module series. These videos provide a big picture look at the software.

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Part 8 - Part 16 of the Yokogawa Test&Measurement IS8000 Integrated Test and Measurement Software Platform 20-video training module series. These trainings detail waveform display settings and analysis options.

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Part 17 - Part 20 of the Yokogawa Test&Measurement IS8000 Integrated Test and Measurement Software Platform training module series. These videos provide information on some additional features including PTP synchronization, report generation, screen capture, and high-speed camera synchronization. 

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Video training series for WT5000 Precision Power Analyzer from Yokogawa Test&Measurement: Power analyzer overview of front and back panel inputs and element types.

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Yokogawa Test&Measurement WT5000 Precision Power Analyzer training module series. These videos go over the settings in the computation/output tab of the setup menu.

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Yokogawa Test&Measurement WT5000 Precision Power Analyzer training module series: utility menu which includes system overview, remote control, upgrades, and more.

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Yokogawa Test&Measurement WT5000 Precision Power Analyzer training module series. These videos go over the different types displays including numeric, wave, trend, bar, and vector. 

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Yokogawa Test&Measurement WT5000 Precision Power Analyzer training module series. These videos detail available software and integration platforms for communicating with the WT5000 Precision Power Analyzer.

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I’ve been using Yokogawa Test&Measurement instruments for power measurement and analysis for several years and they always get the job done. They provide extensive and thorough documentation for their equipment and their drivers are very handy. Features like screengrabs of test results for easier sharing and the remote interface (which minimizes the time we spend having to automate tests) have proven to be incredibly helpful. My team needs instruments that are well documented, easy to use, and reliable. Yokogawa instruments check all these boxes.

—Power Drive Systems Electrification Validation Test Development, Fortune 500 Leading Global Supplier of Sustainable Automotive Solutions

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We developed an algorithm to optimize induction motor operation and produce an average power consumption savings of at least 10%. To demonstrate our algorithm’s effectiveness, we needed a proven and verified system that would give these results credibility. The solution provided by Yokogawa Test&Measurement enabled us to monitor and refine our algorithm using real-time speed, power, and temperature readings – data that would normally be incredibly difficult to accurately obtain. Having these real-world results that demonstrate the effectiveness of our algorithm means we can be more efficient with our own customers. —Neil Singer, President, AC Kinetics

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In research published by the Electrical Engineering and Computer Sciences (EECS) Department of the University of California, Berkeley, the Yokogawa Test&Measurement WT5000 Precision Power Analyzer's high accuracy and modular architecture were used to perform calculations on efficiency, pulse width modulations, and harmonic content.

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University of Central Florida researcher uses a Yokogawa Test&Measurement AQ6370B Optical Spectrum Analyzer to map the properties of a new silicon waveguide fiber.

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In this research paper published by the Department of Mechanical Engineering at Georgia Southern University, researchers use a Yokogawa Test&Measurement DL850 ScopeCorder for real-time high-speed data acquisition on a research engine to investigate the low-temperature combustion regions of aerospace F24 and ULSD for emission reduction.

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In the research paper published by the International Measurement Confedertion (IMEKO) via their online journal Acta IMEKO, researchers from Yokogawa Test&Measurement and the National Institute of Advanced Industrial Science and Technology's (AIST) National Metrology Institute of Japan (NMIJ) use a Yokogawa Test&Measurement MT300 Digital Manometer.

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In research published by the Turkey Journal of Electrical Engineering and Computer Sciences (TÜBİTAK), researchers from Düzce University and Gazi University use a Yokogawa Test&Measurement DLM4038 Mixed Signal Oscilloscope to collect and view phase current waveforms.

Product Overviews

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    From visible light to telecommunication bands and even up to applications in the 2000nm region, optical testing professionals count on the Yokogawa Test&Measurement optical testing family of products. For decades, these precision-based optical measuring instruments have met and exceeded the needs of many customers’ experimental requirements. Applicable to a range of uses in R&D, manufacturing, and academia, Yokogawa Test&Measurement OSAs, OTDRs, OWMs, modular manufacturing test systems, and more deliver quality, consistency, ease of use, and market leadership for all manner of optical test applications.

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    Introducing the new Yokogawa Test&Measurement AQ6380 Optical Spectrum Analyzer. This new OSA includes many sought-after features including:

    • An unprecedented 5 pm wavelength resolution
    • ±5 pm wavelength accuracy
    • 1200 nm to 1650 nm wavelength range
    • 65 dB wide close-in dynamic range
    • 80 dB stray light suppression
    • Automated wavelength calibration
    • Gas purging
    • DUT-oriented interface and test apps
    • Backward-compatible remote interface
    • 10.4in intuitive touchscreen
    • Up to 20x faster measurement
    • Remote operation capabilities

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    Test and measurement engineering work groups can have differing priorities and requirements, which often results in multiple instrumentation systems and data file formats, as well as incompatible reporting. This lack of effective communication between groups and instruments causes decreased efficiency and quality and increased spending and time to market. Unify test and measurement instrumentation, software, and data across engineering teams with a suite of solutions that caters to the different needs of engineering work groups, including accurate power data, fast sampling rates, long recordings of multiple different input types, and insights into waveform data.

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    • Yokogawa DL350 Scopecorder
    • Video: Features and Applications
    • Related Industries, Products, and Solutions

How-tos

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    In this video we demonstrate the GPS data logging capability of the DL350 Portable ScopeCorder. Recording Position, Velocity, and Altitude simultaneously with accelerometers or other analog inputs is simple with the DL350's built-in features.

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    Application Engineer Danielle walks us through how to use an optical spectrum analyzer (OSA) to measure a gas cell in just a few easy steps.

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    This video demonstrates how to measure transient phenomena on power signals using the Yokogawa Test&Measurement PX8000 Precision Power Scope.

    In several applications, especially those testing AC power to a standard such as IEC61000-3-11, the voltage and current signals must be monitored to confirm there are no major dips and/or swells in the signal. This can be done with instruments capable of reporting rms values, including power analyzers, traditional oscilloscopes, and some data acquisition systems.

    To test to a standard, however, the instrument must have an accuracy spec that is traceable back to a national standard of calibration such as ISO17025 or NIST.

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    We are going live on YouTube to answer your questions about the Yokogawa Test&Measurement AQ6380 high performance optical spectrum analyzer. Join us to discuss how to make the most of this award-winning instrument. During this live stream we will review the resolution and dynamic range of the AQ6380 OSA along with an example application of a 1310nm signal from an AQ1000 XFP module. Whether you’ve worked with an OSA for years or curious if it is a good fit for your work or research, this live stream can help.

    Potential items for review include but are not limited to:

    • Span
    • Sweep
    • Calibration
    • Analysis
    • Cursors/Markers
    • PC-Based Remote Viewing Software
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    Having multiple memory options allows engineering groups to optimize how data is stored, no matter if you need to record for a long time at slower sampling rates, do a fast capture at high sampling rates, or anything in between.

    The Yokogawa Test&Measurement DL950 ScopeCorder operates as an oscilloscope and incorporates the ability to record data for long periods of time like a data acquisition recorder. There are four memory types on the DL950 ScopeCorder: internal memory, solid state drive, flash memory, and PC storage through the IS8000 Integrated Test and Measurement Software Platform. This videos talks about the advantages of each of these and how to pick the best data recording method for you.

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    We are going live on YouTube to answer your questions about the Yokogawa Test&Measurement AQ6370 Series of optical spectrum analyzers. Join us to discuss how to make the most of these versatile instruments based on your optical application needs. A few examples are fiber testing, laser/LED testing, LiDAR, optical passive components (filters), and optical transmission equipment (DWDM, CWDM). Whether you’ve worked with an OSA for years or curious if it is a good fit for your work or research, this live stream can help.

    Potential items for review include but are not limited to:

    • Span
    • Sweep
    • Calibration
    • Analysis
    • Cursors/Markers
    • PC-Based Remote Viewing Software
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    Learn what signal types can be input into a scope using a Yokogawa Test&Measurement DL950 ScopeCorder, a unique combination of a 32-channel mixed signal oscilloscope and portable DAQ that captures both high-speed transient events and long-run trends.

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    We went live on YouTube to answer your questions about the DLM5000HD High-Definition Oscilloscope from Yokogawa Test&Measurement and to discuss how to make the most of this incredible instrument. This live stream covers potential applications, settings and features like its high resolution, eight channels, serial bus capabilities, and portability, and last (but definitely not least) a few demonstrations.

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    Learn how to log power measurement data continuously from a digital power analyzer when connecting it to a data recorder to easily and securely collect and synchronize voltage, current, harmonics, and power data for long periods of time, while also collecting thermocouple, RTD, and standard analog signal, all in one place.

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    In this video, an Application Engineer shows users how to bring in Modbus/TCP-communicating instruments for measurement data synchronization across devices with the IS8000 Integrated Test and Measurement Software Platform from Yokogawa Test&Measurement.

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    For those not able to couple light into a fiber, the use of a free space light measurement jig provides a means of measuring the properties of free space light (like wavelength, power, peaks, SMSR, noise, etc.) via an optical spectrum analyzer (OSA), something not typically viable. This video demonstrates the setup and use of an example jig to measure the output of a smartphone's LiDAR light.

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    See how to use the in-built calibration on your optical spectrum analyzer in just three easy steps!

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    Learn how to sync video data from a high-speed camera with data acquisition devices and scopes used by engineers in test and measurement applications.

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    We are going live on YouTube to answer your questions about the Yokogawa Test&Measurement DL950 ScopeCorder. Join us as we discuss how to make the most of this versatile instrument based on your application needs. Whether you’ve worked with a ScopeCorder for years or curious if it is a good fit for your engineering work group, this live stream can help.

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    We are going live on YouTube to answer your questions about the Yokogawa Test&Measurement WT5000 Precision Power Analyzer. Join us to discuss how to make the most of this versatile instrument based on your application needs. Whether you’ve worked with a power analyzer for years or curious if it is a good fit for your engineering work group, this live stream can help.

Webinars

    Overview:

    Increasing demands for greater network bandwidth and expansion of 5G wireless backhaul has driven data rates to 400G, 800G, and beyond. Starting with the physical layer of the optical network stack, precision measurement of these light speed signals is crucial.

    This webinar covers a range of alternatives used to evaluate test parameters for DWDM, OSNR, SMSR, and EDFA, and includes a discussion on interesting applications like the use of high-energy lasers across space satellite mesh networks.

    Key topics include:

    • Key test methods and technologies
    • Traditional and new applications
    • Common testing oversights
    • Measuring against industry standards
    • Ensuring network element performance and reliability
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    There are countless technologies available for optical communications devices and systems validation. With so many specifics to take into consideration, it's not always easy for an engineer to determine the best networking and fiber optic measurement solution to address their measurement needs.

    Key discussions in this on-demand webinar include:

    • The what, why, and how of available options like optical spectrum analyzers, optical wavelength meters, optical power meters, variable attenuators, fixed and tunable laser sources, and more
    • How to improve the quality and value of results for both active and passive optical devices
    • Ways to streamline productivity and reduce costs while also achieving higher data transmission rates, longer-distance transmissions, immunity to EMI, lower signal loss, lower latency, enhanced security, and improved energy efficiency
    • Trends driven by applications such as AI, quantum, and inter-satellite laser communications (i.e., space lasers!)
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    While DC power measurements are relatively straight forward, AC power measurements that include distorted waveforms, varying power factors, and multiple phases can add complexity to an otherwise simple measurement. During this webinar, we cover multiple fundamentals of power measurement.

    Key topics include:

    • Multi-phase measurements
    • Measurement techniques
    • Measurement applications
    • Real-world examples and more
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    Mastering the fundamentals of optical wavelength measurements and having a solid understanding of measurement principles for optical sources and devices is key to measuring with confidence. This webinar provides a thorough review of these foundational elements and concepts as well as:

    • Fiber identification and recommendations for routine care
    • Measurement techniques for different optical measurement devices
    • Example wavelength-specific applications for visible light to over 3000 nm such as telecommunications, biomedical, and atmospheric gas sensing
    • Important considerations for selecting an optical spectrum analyzer
    Overview:

    Continual improvements and innovations in motor and inverter technologies are key to furthering the goal of global decarbonization in the transportation industry.

    During this webinar, engineering professionals who develop motor and inverter systems will learn how to more effectively benchmark data for and troubleshoot issues with energy efficiency in EV powertrains.

    Key topics include:

    • Baselines for system efficiency and inverter control signal analysis at the systems level
    • Critical measurements to benchmark inverter input, inverter output, and motor output
    • Analysis of motor control signals like torque control variables, positional sensors, and PWM and torque measurements
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    With ongoing innovations in motor and inverter technologies seeking to advance global decarbonization objectives in the automotive industry, it’s crucial that engineers have a thorough understanding of how to properly analyze these systems.

    This complimentary webinar provides engineering professionals involved in motor and control system development with insights that enable data benchmarking and troubleshooting issues related to energy efficiency in electric vehicle (EV) powertrains.

    Key webinar topics include:

    • Establishing baselines for system efficiency
    • Conducting inverter control signal analysis at the systems level
    • Identifying critical measurements for benchmarking inverter input, inverter output, and motor output
    • Analyzing motor control signals, including torque control variables, positional sensors, and pulse-width modulation (PWM), as well as torque measurements
    Overview:

    Why should you be concerned with your product’s power system voltage and current harmonics? From an engineering perspective, harmonics produce excessive heat in equipment that causes significant damage and results in inefficient operation. From a business perspective, compliance is an absolute requirement for entry into global markets. To minimize or eliminate these issues and establish acceptable levels of harmonics, numerous power quality standards with specifications and limits for harmonic distortion, such as IEEE 519-2014 and IEC61000-3-2, have been introduced. During this webinar, attendees will gain knowledge on the inner workings of harmonics, learn best practices for accurately measuring harmonics, learn to recognize and distinguish the critical difference between DFT and FFT, and discover important measurement tradeoffs across various test equipment.

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