Instruments and Tools for Engineering Education and Research Innovation
In both academic settings and professional laboratories, students, professors, and researchers aspire and endeavor to enhance discovery and expedite innovation and product development.
Research Paper
Investigation and Prediction of PWM-Induced Iron Loss in Lamination Steels Using High-Frequency Inverters with Wide-Bandgap Switches
Researchers from General Motors Global Propulsion Systems and Wisconsin Electric Machines and Power Electronics Consortium (WEMPEC), University of Wisconsin-Madison, use a WT1800 Power Analyzer and PX8000 Power Scope for high-stability measurements of voltage, current, and power loss.
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Research Paper
Sensing Methane in Air with a Mid-Infrared Frequency Comb Source
In the following research paper (originally a poster session at The European Conference on Lasers and Electro-Optics 2017 in Munich, Germany and now published on the Optica website), Texas A&M University, Texas A&M University at Qatar, and Florida A&M University use a Yokogawa Test&Measurement AQ6376 Optical Spectrum Analyzer to detect methane in the air.
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Research Paper
An H7 Current-Source Inverter using Wide Bandgap Bidirectional Switches to Achieve High Efficiency and Low Conducted Common-Mode EMI
Researchers from Wisconsin Electric Machines and Power Electronics Consortium (WEMPEC), University of Wisconsin-Madison, use a Yokogawa Test&Measurement WT1806 High-Performance Power Analyzer to measure the efficiencies of inverters used in the research.
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Enabling Student Engineers to Become Professional Engineers
Because engineering students need practical skills and experience to stand out in a competitive workforce, universities and colleges require tools for their teaching lab that enable applicable test and measurement learning. For undergrad, graduate, and academic research doctoral students alike, working directly with the test bench instruments they will use in their careers gives them an edge. Yokogawa Test&Measurement provides university engineering and technology instructors the educational test and measurement equipment that helps their students develop into the engineering trailblazers of tomorrow.
Industry-Grade Test and Measurement Solutions for Academia
Whether the curriculum focuses on engineering fundamentals or more advanced concepts, Yokogawa Test&Measurement instruments meet these needs. Using research-ready, custom-configured test and measurement education laboratory test benches, engineering educators and students can engage in hands-on study and put theory into practice. Students majoring in computer science, mechanical engineering, and electrical engineering acquire real-world solution development insights through practical measurement scenarios, systems simulations, example data analysis, and more, while academic researchers further progress prototypes in development.
White Paper
Superconducting Qubits: The Best Approach to Quantum Computing?
Quantum computers can address challenges of much greater complexity than what today's computers can solve. The race for who can produce the first practical, commercialized quantum computer is on. There are several approaches to build this sort of computer, and it all begins with creating and initializing quantum bits, also known as qubits.
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Case Study
Laval University Speeds Up Advanced Photonics Research
Researchers needed to measure the spectral performance of lasers and optics beyond traditional telecom wavelengths. They collaborated with Yokogawa to develop a breakthrough grating-based OSA that covers MWIR wavelengths to 5.5um, leading to dramatic productivity dramatically increased for precise characterization of laser sources and active/passive optical components.
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On-Demand Webinar
The Fundamentals of Power
AC power measurement complexities arise when dealing with distorted waveforms, fluctuating power factors, and multiple phases, which complicate an otherwise simple measurement process. This is an informative dive into fundamental aspects of power measurement and includes multi-phase measurements and techniques, practical applications, and examples.
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Accelerate Scientific Discovery and Research
For researchers in large-scale academic, industry, or commercial experimental research, test and measurement instrument quality in their labs can mean the difference between confident validation of theories or going back to the drawing board. When factoring in access to funding, budget cuts, and deadlines, building a laboratory test bench that researchers can trust to be precise, accurate, and reliable is no easy task.
Advanced Test and Measurement Solutions for Researchers
Yokogawa Test&Measurement provides researchers comprehensive solutions that enable them to advance their experiments and analyses, and go from proof-of-concept prototypes and designs to evidence-supported applications and production. Engineers and researchers in transportation, communications, optical, energy, decarbonization, well-being, quantum computing, and more trust Yokogawa Test&Measurement instruments for precise and accurate measurements and data analysis.
Advancing Market Capabilities
The extreme test requirements of our research called for an OSA with extended MIR spectrum bandwidth capabilities up to 5pm, but we couldn’t find one on the market capable of measuring optical inputs at these wavelengths. Yokogawa Test&Measurement rose to the challenge and developed a new OSA model for us that would. Not only do we now have an instrument that is practically custom-made for our needs, it provides repeatable, accurate, and trusted measurement outputs and is easy to learn and use. Their equipment and ability to create a new optical measurement solution has definitely increased the overall efficiency and productivity of our research team.
— Martin Bernier, PhD, P.Eng.
Full Professor, Centre de Optique, Photonique, et Laser, Université Laval
Full Professor, Centre de Optique, Photonique, et Laser, Université Laval
Overview:
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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This application note details the process for measuring and verifying proper motor function using a power analyzer, and how to troubleshoot common errors in the measured output.
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Designing an instrumentation system for high current measurement requires careful consideration of the trade-offs associated with each type of sensing device. The purpose of this application note is to help engineers understand the sensing choices available and the corresponding trade-offs with each technology.
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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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A new type of computer based on the theory of quantum mechanics, a quantum computer, is currently in development by researchers around the globe. The theory of quantum mechanics describes nature at the atomic and subatomic level. Quantum technology has the potential to build powerful tools that process information using the properties of atoms, photons, and electrons. These quantum computers could also address challenges of much greater complexity than what today's computers can solve, and help further advancements in science, technology, medicine, and more.
With countries spending billions of dollars, the race for who can produce the first practical, commercialized quantum computer is on. There are currently several approaches to build this sort of computer, and this all begins with creating and initializing quantum bits, also known as qubits.
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In the Chancellor’s Honors Program Projects research paper published on Tennessee Research and Creative Exchange (TRACE), researchers from the University of Tennessee Knoxville, with the Electric Power Research Institute (EPRI) and the Manufacturing Demonstration Facility (MDF), use a Yokogawa Test&Measurement Clamp-On Power Meter to easily capture three-phase power data.
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In a research paper published on the website IEEE Xplore, researchers from Wisconsin Electric Machines and Power Electronics Consortium (WEMPEC), University of Wisconsin-Madison, use a Yokogawa Test&Measurement WT1806 High-Performance Power Analyzer to measure the efficiencies of inverters used in the research.
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In research published by Yale University's Journal of Industrial Ecology (now owned and managed by the International Society of Industrial Ecology), researchers from the University of Nottingham and Dartmouth University use a Yokogawa Test&Measurement CW240 Clamp-On Power Analyzer to measure the real power consumption of the investigated printing systems.
Research Paper
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In dissertation published by the University of Central Florida on its STARS website, research is conducted using a Yokogawa Test&Measurement PZ4000 R&D Power Analyzer to measure the efficiency and total harmonic distortion (THD) of microinverter operating modes.
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In a research paper published on IEEE Xplore, researchers from Wisconsin Electric Machines and Power Electronics Consortium (WEMPEC), University of Wisconsin-Madison, use a Yokogawa Test&Measurement WT1800 High-Performance Power Analyzer to measure the losses and efficiencies of two inverters.
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In a research paper published in Optics Letters on the Optica (OPG) website, researchers from Harbin Engineering University, the University of Limerick, and the Technological University Dublin use a Yokogawa Test&Measurement AQ6370C Optical Spectrum Analyzer to test fiber components for potential use in integrated optical sources, including lasers.
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In research published on IEEE Xplore, researchers from Harbin Engineering University, the University of Limerick, and the Technological University Dublin use a Yokogawa Test&Measurement AQ6370C Optical Spectrum Analyzer to measure wavelengths when fiber is subjected to temperature changes.
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In a research paper published on IEEE Xplore, Electric Power Research Institute (EPRI) researchers use a Yokogawa Test&Measurement Advanced Digital Power Meter to consistently and accurately measure computer power supply dc output/input voltage, current, power, and power factor.
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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.
Research Paper
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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 a research paper published on Nature.com, a team of researchers from the University of Virginia, Peking University, Shanxi University, and California Institute of Technology use a Yokogawa Test&Measurement Optical Spectrum Analyzer in order to achieve spectrum measurements above 1200 nm.
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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 a research paper published on IEEE Xplore, researchers from Częstochowa University of Technology and University of Naples Federico II use a Yokogawa Test&Measurement WT310 Digital Power Analyzer to attain accurate and reliable power and energy measurements from the ccNUMA/SMP system.
Research Paper
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In the paper published on OpenUCT, a Cape Town University researcher uses a Yokogawa Test&Measurement High-Performance Power Analyzer to record instantaneous voltage and current of a three-phase, four-wire system.
Research Paper
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Researchers from Universidad de Zaragoza use a Yokogawa Test&Measurement PZ4000 Power Analyzer as an alternative to measure the converter output power of induction cooktops.
Research Paper
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In a research paper published by ISLPED '22: Proceedings of the ACM/IEEE International Symposium on Low Power Electronics and Design, researchers from Loyola University Chicago and Purdue University use a Yokogawa Test&Measurement WT310E Power Meter to measure the energy consumption of the various techniques presented.
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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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In a research paper published on IEEE Xplore, researchers from General Motors Global Propulsion Systems and Wisconsin Electric Machines and Power Electronics Consortium (WEMPEC), University of Wisconsin-Madison, use a Yokogawa Test&Measurement WT1800 High Performance Power Analyzer and PX8000 Precision Power Scope for high-stability measurements of voltage, current, and power loss.
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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 a research published in the SAE International Journal of Fuels and Lubricants, researchers from Georgia Southern University use a Yokogawa Test&Measurement DL850 ScopeCorder to record and monitor data from a piezoelectric pressure transducer in-cylinder, a pressure sensor for intake pressure, and an optical rotary encoder for engine rotational position and speed, and to test the combustion and emissions characteristics on an experimental engine.
Research Paper
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In a research paper published by Digital Commons @ Cal Poly, a researcher from California Polytechnic State University uses a Yokogawa Test&Measurement Digital AC Meter to measure the current and power of household devices in stand-by mode.
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In this poster session research from The European Conference on Lasers and Electro-Optics 2017, researchers from Texas A&M University, Texas A&M University at Qatar, and Florida A&M University use a Yokogawa Test&Measurement AQ6376 Optical Spectrum Analyzer to detect methane in the air.
Testimonial
Overview:
The extreme test requirements of our research called for an OSA with extended MIR spectrum bandwidth capabilities up to 5μm, but we couldn’t find one on the market capable of measuring optical inputs at these wavelengths. Yokogawa Test&Measurement rose to the challenge and developed a new OSA model for us that would. Not only do we now have an instrument that is practically custom-made for our needs, it provides repeatable, accurate, and trusted measurement outputs and is easy to learn and use. Their equipment and ability to create a new optical measurement solution has definitely increased the overall efficiency and productivity of our research team.
— Martin Bernier, PhD, P.Eng., Full Professor, Centre de Optique, Photonique, et Laser, Université Laval
Product Overviews
Overview:
The DLM5000HD Series High-Definition Oscilloscope is the latest addition to the Yokogawa Test&Measurement oscilloscope line-up that takes you beyond eight channels.
Adaptability is key in the development of high-performance and intelligent power semiconductor technologies and mechatronics in modern electric vehicles, motor controls, and energy efficient electronic designs. With up to 16 bits high resolution, best-in-class startup speed, the ability to support measurements up to 16 channels, high noise immunity for harsh environments, and more, the four-to-eight channel DLM5000HD Series enables easy touch navigation through a wealth of analysis features.
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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.
How-tos
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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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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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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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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.
Webinars
- 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
- Fundamental test solution principles for challenges in demanding environments
- Ensuring flawless and reliable operation of potentially life-critical components and systems over the entire life of the equipment
- Techniques and results of signals from both LiDAR and facial recognition lasers from different smartphones
- Experience how LiDAR manages (or mismanages) navigating metropolitan city streets in a truly driverless Level 4 Robotaxi
- 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!)
- A look at multi-phase measurements and measurement techniques
- A review of practical applications
- Real-world examples
- Key test methods and technologies
- Traditional and new applications
- Common testing oversights
- Measuring against industry standards
- Ensuring network element performance and reliability
- How to avoid the “gotcha's” of inverter-based measurements
- Computations for field-oriented control
- The integration of CAN bus communications
- Correlations in the frequency domain
- Other advanced motor and drive topics
Overview:
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:
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A vision of self-driving cars propels the research and development of automotive LiDAR, a vital hardware providing distance and velocity information of a vehicle’s surroundings. Some LiDAR concepts are already heading toward production for automotive ADAS and industrial markets. Two newer concepts promise the greatest potential yet: frequency-modulated continuous wave (FMCW) LiDAR and time-of-flight (TOF) flash LiDAR. However, there are engineering challenges impeding their full adoption. This webinar reviews operation principles and challenges of different LiDAR concepts, a brief discussion on the LiDAR market, and a review of critical optical components such as photodetectors and sources.
Key takeaways include:
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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:
Overview:
Although DC power measurements can be fairly straightforward, complexities with AC power measurements arise when dealing with distorted waveforms, fluctuating power factors, and multiple phases, which introduce intricacies that complicate an otherwise simple measurement process.
This on-demand webinar provides an informative dive into the various fundamental aspects of power measurement and includes:
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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:
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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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You know the basics of electrical power measurements, have set up your dyno, and made key measurements – which is great. But as your motor and drive projects progress, the complexities of system drive requirements can change frequently. Control algorithms, networked communications, and mechanical systems form a complex web of interactions that need sorting. This 60-minute webinar explains how to get past ground-level measurements and delve into comprehensive solutions that leverage test and measurement instruments including power analyzers, high-speed data acquisition, and real-time software.
Topics include:
The technical presentation includes an audience Q&A.
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