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Test and Measurement for Electric Vehicles

InterfaceIQ Blog
 |  November 10, 2020

Among the many technologies that are making a significant impact on our society over the last few years, very few compare to the impact of electrical vehicles. As the world addresses climate change, investments in electric vehicle technology have risen greatly across nearly all the world’s largest vehicle OEMs.

Investments in this vehicle market segment are global. According to a McKinsey report, the global electric vehicle (EV) market was valued at $162.34 billion in 2019, and is projected to reach $802.81 billion by 2027.

As with any technology, as the market potential rises the need for engineering, manufacturing, and testing technologies and suppliers rise as well. Here at Interface, we’ve been preparing for the EV market for many years. In 2018, Interface released the AxialTQ Wireless Rotary Torque Transducer, designed primarily for the automotive industry and specifically crafted to test some of the more unique requirements for engine testing on electric vehicles.

FierceElectronics outlined this need in an article on EV testing, saying “wireless rotary torque transducers are the critical link in a test rig used to develop next-generation technologies for electric and hybrid vehicle powertrains.” Interface has addressed this need with AxialTQ.

At the heart of AxialTQ’s innovation is the rotor and high-precision sensing element technology, which when combined with next-generation electronics, produces industry-leading accuracy. Unique features of AxialTQ also allow the system to be fully customizable and flexible include its ability to use simultaneous analog and digital outputs to enable real-time control and data collection. Additionally, the flexible capability of the stator and output module mounting offers an infinite number of configurations to meet any application needs, like those involved in the torque testing of EV.

The automotive industry, their subsidiaries and partners are known for stringent and comprehensive testing protocols necessary for safety, performance and quality.  Areas that require high-performing force and torque sensor technologies for test and measurement include:

  • ICE Lab Testing
  • ICE End of Line Testing
  • EV Lab Testing
  • EV Motor End of Line Testing
  • Drivetrain Lab Testing
  • Accessory Lab Testing

Read more about the EV testing use cases in our post, The Future of Automotive is Electric. 

One area that continues to expand testing is for EV batteries.  With the increase in EV battery capacity and the development in the charging technology, various parameters such as temperature, current, and pressure changes have to be monitored to ensure that any increase or decrease outside their range of functioning is detected and solved while driving the vehicle. These conditions lead to the utilization of electric vehicle sensors, which monitor such temperature, current, and pressure surges in EVs.

As outlined in our new Urban Mobility Case Study, one of the most integral pieces of technology is the battery used to run every piece of hardware and software in the car. One of the critical tests performed on EV batteries is compression testing. As an EV battery is charged and stores more electrons, it swells. If the packaging housing the batteries are not intelligently designed to compensate for this swelling, you could have a major problem. For this challenge, Interface can supply a WMC miniature load cell. The load cell will measure compression force as a battery goes through charge cycles on a test stand to determine the force given off as the battery swells. This allows our customers to design the proper packaging for the batteries.

Test and measurement and sensor technology are critical to optimizing parts and components in innovative and trending markets like the the electric vehicle market. Interface is proud to be a key supplier to these customers and we look forward to contributing to the continued growth of this important technology.

To learn more about Interface’s commitment to the automotive and EV industries, check out some of our top application notes and case studies here: www.interfaceforce.com/solutions/automotive-vehicle/.

 

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  • Solutions
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    • Medical and Healthcare
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    • OEM
    • Global Standard
    • Application Notes
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  • Products
    • Product Overview
    • QuickShip48®
    • Load Cells
      • LowProfile®
      • Fatigue Rated
      • Tension & Compression
      • Compression Only
      • Stainless Steel
      • Sealed
      • Load Washers
      • Load Buttons Load Cells
      • G Series
    • Interface Mini™
      • ConvexBT
      • S-Type
      • Overload Protected
      • Tension & Compression
      • Compression Only
      • Stainless Steel
      • Sealed
      • G Series
    • Load Button Load Cells
      • ConvexBT
      • LBM Compression
      • LBMP Overload Protected Compression
      • LBMU Ultra Precision Compression
      • MSC Miniature Column Compression
    • Multi-Axis Sensors
      • 3-Axis
      • 6-Axis
      • 2-Axis
      • Axial Torsion
      • Flange Mount
      • Moment Compensated
    • Torque Transducers
      • AxialTQ™
      • Reaction (Static)
      • Flange Mount
      • Rotary (Dynamic)
      • Shaft
      • Square Drive
      • USB Output Option
    • Load Pins, Tension Links, & Shackles
      • Load Pins
      • Tension Links
      • Load Shackles
      • Wireless
      • Self-Indicating
    • Instrumentation
      • Signal Conditioners
      • Digital Indicators
      • Data Acquisition
      • USB Interface Module
      • Digital Output
      • TEDS Ready
    • Digital Instrumentation
      • Signal Conditioners
      • Digital Indicators
      • Data Acquisition
      • USB Interface Modules
      • Digital Output
      • TEDS Ready
    • Wireless Telemetry System
      • Base Stations
      • Acquisition Modules
      • LED Display
      • ASCII Serial Output
    • Bluetooth® Telemetry System
    • Intrinsically Safe
      • LowProfile®
      • S-Type
      • Load Shackles
    • Calibration Systems
      • Load Frames
      • Precision mV/V Output
      • Portable Calibration Systems
    • Accessories
    • G Series
  • Services
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    • About Interface Technical Services
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    • Technical Information
    • ISO 17025 Scope of Accreditation
    • Load Cell Troubleshooting
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