Automotive

Yokogawa understands the unique demands of automotive and transportation. As vehicle technology continues to advance in the areas of safety, environmental friendliness, and comfort, Yokogawa test & measurement instruments continue to evolve and advance to support the increasingly complex electronic vehicle components, systems, and innovations. Yokogawa diligently provides up-to-the-minute technologies in Body Control, Safety Systems (ABS, Airbags, Rollover Prevention), Drivetrain performance, development, ECU (Electronic Control Unit), In-Vehicle Entertainment and various others. With foresight, Yokogawa also offers measuring instruments that will lead you into the future in five key areas: Hybrid Electric Vehicle (HEV), Fuel Cells, In-vehicle LAN, Vehicle components and Intelligent Transport System (ITS) equipment. Yokogawa also offers compliance test solutions such as CAN, the de-facto standard, and Advanced Power Analyzers, such as the SB5000 Serial Bus Analyzer with advanced functions for Flex-Ray technology, the protocol for incoming standards. These are just a few of the ways Yokogawa diligently strives to meet your evolving needs.

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Between 16 to 18% of the total charge of an electric car is consumed as electric drive system losses. Electric and hybrid car manufacturers therefore need to accurately evaluate motor and inverter control in order to achieve higher precision and greater efficiency. Additionally, the accurate analysis of inverter waveforms without interference from switching noise is a key part of evaluating the motor drive circuit.

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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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From R&D to manufacturing and compliance testing, measurement of powertrain efficiency, harmonic content, battery charge/discharge process and ECU communication buses not only require progressively greater accuracies but also consistency in measurement over the specified ranges and conditions.

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Range anxiety – the worry that that the battery will run out before a destination or charging point is reached – is among the major barriers for mainstream adoption of electric vehicles. As charging infrastructures still need to be improved, battery efficiency in charging and regenerative braking systems are important.

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With the increased demand in electric-hybrid vehicles, the electromechanical designs of in-vehicle systems are becoming more sophisticated and there has been shift to high efficiency brushless direct current (BLDC) motors that offer better speed vs torque characteristics, dynamic response and lifespan.

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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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How to 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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The DL850 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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Government agencies that define the standardization of energy efficiency metrics continue to be a driving force behind the development of the next generation electric vehicle powertrains. These metrics require manufacturers to have high confidence in their measurements and motivate the optimization of efficiency.

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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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The Yokogawa DL850E is a waveform measuring and recording instrument with eight slots for signal conditioning and data acquisition modules. In addition to high-speed signal inputs up to 100 MHz sampling rate, the DL850E has features for real-time signal processing that provide advantages to scientists and engineers trying to observe complex systems.

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Automotive Manufacturing – Measuring for efficiency

Two key criteria for successful development and mainstream adoption of (hybrid) electric vehicles are - reliability and driving range. The lower the loss in electric systems, the longer their lifetime and the more efficient the drivetrain, the longer the driving range. But as powertrains, charging systems, infotainment and safety systems grow more sophisticated in the ear of the connected car, hybrid and electric vehicle development requires mechatronic analyses of unprecedented certainty and flexibility.

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Are you achieving the levels of accuracy you need? 

This article outlines the top reasons for inaccuracies in power measurements and how to tackle them.

Download the article to learn about:   

  • Validity of instrument specifications
  • External sensors and temperature effects
  • Calibrating a measurement set up

Download the article now

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Energy efficiency directives from bodies like International Electro technical Commission (IEC), European commission, California Energy Commission (CEC) and others govern standards across various classes of electrical, electronic and mechatronic equipment.

This infographic provides a snapshot guide for making reliable power measurements across your product development lifecycle with particular emphasis on the high accuracy needs of compliance testing. 

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More than a test tool 

Typically, a portable scope or test tool is used by an engineer to diagnose faults on a production line in real-time, or to carry out tests in a workshop. But how can faults be detected and diagnosed when they are intermittent and the engineer needs to be somewhere else? On the other hand, a portable data logger can capture lots of data, including the faults over a period of time, but requires the data to be searched and analysed later to make sense of it.

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The WTViewerE is a powerful software that supports remote analysis and control of multichannel measurements from the WT series of Yokogawa power analyzers. In addition to real-time control of remote measurements in multiple formats and customizable layouts, the latest version of the software allows any 4 Yokogawa power analyzers regardless of configuration to be synchronized for multi-unit measurements.  This allows for sophisticated computations for larger applications that may need more than one power analyzer.

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As a one of the largest motorcycle manufacturers, Triumph confirms every bike is precision-engineered to deliver a complete riding experience. To ensure higher performance and efficiency of the motorcycle powertrain, Triumph test their engines under rigorous conditions, measuring and analyzing a vast array of parameters under varying conditions, from sensors configured and positioned all around a bike. 

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In this customer case story, Reiner Schultheiss; electrical engineer at Michelin tire manufacturing, reflects on his time with the company and explains how the portable Yokogawa DL350 ScopeCorder was welcomed to Michelin and how it ensures quality at the tire manufacturing process. In this customer case story, Reiner Schultheiss; electrical engineer at Michelin tire manufacturing, reflects on his time with the company and explains how the portable Yokogawa DL350 ScopeCorder was welcomed to Michelin and how it ensures quality at the tire manufacturing process. 

Product Overviews

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    Watch a step-by-step walkthrough of recording GPS position and motion data on the DL350.

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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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    In this video we review the major features of the DL350 showcasing its portability, functionality, and operability. This device features battery power, 18 signal conditioning input modules, and touchscreen access to enhanced triggers, math, and analysis.

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    The 4-to-8 channel Yokogawa DLM5000 mixed signal oscilloscope allows users to easily navigate through a wealth of analysis features at the touch of their fingertips.

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    • Values and key features of Yokogawa’s DL850EV ScopeCorder
    • Capture high-speed transient events and long-run trends
    • Widely used in automotive, power electric, mechatronics
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    The current sensor element for the Yokogawa Test&Measurement WT5000 Precision Power Analyzer is ideal for applications requiring a current transformer for high-current measurements. The internal DC power supply simplifies preparations before measurement, requiring only a connecting cable and eliminating the external power supply.

    The WT5000, an industry-leading power analyzer, features seven field-removeable elements, 10 MS/s, 1 MHz power bandwidth, 18-bit resolution, and 0.03% basic power accuracy. Yokogawa Test&Measurement continues to innovate on the platform, enabling /D7 data streaming, /G7 harmonics, and flicker analysis.

    The new current sensor element replaces the traditional current inputs and includes a sensor input terminal with integrated ±15V power supply, eliminating the need for an external power supply. The isolated voltage terminals remain the same as the 5A and 30A elements.

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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

    Product Overview
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    The DLM3000 Automotive Serial Bus features can display up to four simultaneous serial buses and decoded data.

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    The Yokogawa DLM3000 oscilloscope features a brand-new computing platform and available power supply analysis functions. 

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How-tos

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    The multi-unit synchronization option for the Yokogawa Test&Measurement DL950 ScopeCorder lets you time synchronize up to five DL950 ScopeCorders, for up to 160 channels of voltage, current, temperature, strain measurements, and more. This video walks you through how to set up and connect the multiple DL950 ScopeCorders, take measurements, and pull the data from all of the instruments for analysis with the IS8000 Integrated Test and Measurement Software Platform.

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    CAN Bus communication is widely used in the transportation industry where reliable transmission of data is paramount. Monitoring and recording these communications can be easier when using the proper instruments. In this video, a Yokogawa Test&Measurement Applications Engineer demonstrates how to setup the DL950 ScopeCorder to read the temperature of a motor drive alongside its voltage and current output.

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    Looking for a turnkey high-speed data transfer solution with better bandwidth and minimal manual overhead?

    The 10Gb Ethernet option on the Yokogawa Test&Measurement DL950 ScopeCorder fits that very role and makes capturing and recording high-speed data seamless and convenient.

    Record data at 50 times the speeds of traditional Ethernet and USB connections and automatically transfer data to your PC in a single step using the IS8000 Integrated Software Platform.

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    This video demonstrates how to test to an IEC standard (IEC 61000) using a Yokogawa Test&Measurement WT5000 Precision Power Analyzer and the harmonic flicker testing software. The software automates the process of judging if the device under test is compliant with the chosen standard and allows you to output the necessary test reports for your records.

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    In this video, Dami Ashebu, an Application Engineer with Yokogawa Test and Measurement discusses how a DL850EV data acquisition system can be used to gather various analog and serial bus data for systems validation and reverse engineering in the automotive industry.

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    A demonstration reading a 4 - 20 mA transducer into an analog channel on the DL350 Portable ScopeCorder.

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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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    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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    In this video we demonstrate the automotive bus decoding features of the DL850EV ScopeCorder.

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    Using the DL350 Memory Recorder Mode Easy Setup, combined with a 16-channel thermocouple input, it's easy to record hours, days, or weeks of data with a few simple settings. 

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