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Interface Validates Trends in Automotive Test and Measurement

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As a trusted supplier to automotive testing labs and automakers of precision sensor technologies for force, torque, and weighing applications, the depth of our product line is vital to support research, testing, and innovation in the industry. In particular, there is a high increase in the use of Interface torque transducers for automotive test and measurement use cases.

We strive to provide the latest sensor technology to help our customers move at the pace of automotive innovation. Over the years, we have developed new products for testing and monitoring advancements in all vehicles and supporting R&D into new automotive types like electric vehicles (EVs) and autonomous vehicles. Learn more in the case study: Accelerating Automotive Excellence with Interface Testing Lab Solutions.

Growing Demands for Torque Transducers in Auto Testing

Based on current demands for Interface measurement solutions, the auto industry is experiencing a high upsurge in using torque transducers. Specifically, EV manufacturers and parts makers are using torque measurement in testing the performance of electric motors and powertrains.

EVs have become a significant force and torque measurement sensor technology user, including our popular AxialTQ™ Rotary Torque Transducer product line. Many of our transducer models are also being used to test EV battery technology, including storage, capacity, and more.

Another growing use case requiring cutting-edge torque transducers is testing advanced driver assistance systems (ADAS) performance. ADAS systems rely on various sensors, including our torque transducers, to measure and control the vehicle’s dynamics. In these use cases, automotive engineers rely on supreme accuracy due to the critical nature of this safety feature. These types of use cases are pushing the requirement for accuracy further.

Finally, our torque transducers are being used in experiential automotive technologies such as fully autonomous and driver-assisted vehicle innovations. The accuracy of measurement is instrumental in bringing these inventions to market. Size, weight, and power (SWaP) is also a premium factor in these types of sensors. As more and more sensor technology is added to autonomous vehicles, the sensors must become more compact and efficient.

Specific products that Interface is supplying for these types of testing programs include high-accuracy reaction and rotary torque transducer technologies. This includes more miniature lightweight torque transducers to make integrating into test machines, production lines, and vehicles easier. Our expansion of Interface Mini Torque Transducers is helping with this requirement. We also provide more wireless torque transducer capabilities, eliminating the need for cables and wires and making testing more convenient and efficient.

Use Interface’s Torque Transducer Selection Guide to find the right product for your application requirements. Join Interface at the next Automotive Testing Expo to see live demonstrations of Interface measurement solutions.

Automotive Industry Applications Using Torque Transducers

Tire Force And Moment Using Contactless Force and Torque Transducer

A tire production company wants to put their tires under a stress test. They want to research the dynamic control capabilities of their tires. They want to measure both the torque and lateral force of the tire. Interface suggests using the AT105 Contactless Force and Torque Transducer to measure the tire lateral force and torque. Torque and force results can be displayed and graphed when connected to the SI-USB4 4-Channel USB Interface Module. After conducting a stress test on their tires, the tire production company could record and log the measurements of the torque and lateral forces implemented on their tires. Read Tire Force and Moment App Note

Vacuum Testing Using Rotary Torque Testing to Optimize Automotive Performance

The vacuum pump in a car plays an integral part in several systems, such as power brakes, HVAC, and sometimes even in the turbocharger or emissions control systems. Its primary function is to create a vacuum or negative pressure within a specific system. A torque test needs to be performed to ensure it is performing correctly. Interface’s T2 Ultra Precision Shaft Style Rotary Torque Transducer with torque couplings can be attached to the vacuum pump during performance testing. It will measure the amount of torque that is being used on the pump’s motor or drive system. When connected to the customer’s computer, results can be displayed, recorded, and logged using the SI-USB4 4-Channel USB Interface Module. Read Vacuum Testing for Automotive Performance

Torque Measurement For Electric Vehicles

Electric vehicle manufacturers need a torque measurement system for motor testing. These motors run at significantly higher rotational speeds than their internal combustion engine (ICE) counterparts and have much higher power densities due to their small size and lightweight. The system would be used to test the torque and speed of their electric motors to achieve and ensure optimum instant peak torque performance. Interface’s AxialTQ™ Wireless Rotary Torque Transducer is highly accurate with the highest quality torque measurement. This product comes with the AxialTQ™ Output Module and the provided AxialTQ™ Assistant software that can be installed on a test bench. Data results are calculated and collected in real time. Read Torque Measurement for Electric Vehicles App Note

Motor Test Stand Using Torque Transducer

In the quality control lab at a major automotive manufacturing company, a test engineer needed to test, record, and audit the torque produced by a new motor design under start load. Interface supplied our AAxialTQ™ Wireless Rotary Torque Transducer connected between the motor and the differential on the drive shaft that could measure and record these torque values. Based on the data collected using the AxialTQ, AxialTQ Output Module, and customer laptop, the Test Engineer recommended optimizing the torque of the new motor design.

ADDITIONAL RESOURCES

Anniversary of Interface Miniature Torque Transducers

Fuel Pump Optimization and Rotary Torque

Choosing the Right Torque Transducer

A Comparison of Torque Measurement Systems White Paper

Advancing Auto Testing with Interface Measurement Solutions

Automotive Window Pinch Force Testing

Automotive Head Rest Testing

Interface Powers Smart Transportation Solutions

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Smart transportation refers to integrating advanced technologies and intelligent systems in the transportation sector, including infrastructure and vehicles, improving efficiency, safety, and sustainability.

The transportation industry is getting smarter with advancements in autonomous driving and electric vehicles, unmanned aerial vehicles, electric airborne vehicles, high-speed trains and light rails, and transportation ways. Behind these innovations are critical test and monitoring solutions that help engineers ensure absolute safety and quality during development and in use for real-time monitoring.

Interface transducers measure force, torque, or weight for testing and integration into smart transportation systems. Our load cells, torque transducers, scales, load pins, tension links, and multi-axis sensors provide vital measurement data for design, development, testing, and performance monitoring in various smart transportation applications.

A few examples of smart transportation inventions and use cases that utilize Interface advanced sensor technologies include:

  • Smart Cargo Monitoring: Load cells are installed in trucks, trailers, or shipping containers to monitor the weight and distribution of cargo. These load cells provide real-time data on the load’s weight, ensuring compliance with weight limits and preventing overloading, which can lead to safety hazards and increased fuel consumption.
  • Structural Testing of Vehicles: During physical testing, load cells and torque transducers measure forces and loads applied to vehicle structures. This includes crash tests, structural integrity evaluations, and load capacity assessments. The data obtained helps engineers analyze vehicles’ structural performance and safety characteristics, enabling improvements in design and manufacturing processes for smart transport.
  • Infrastructure Load Data Acquisition: Load cells can be employed in roads, bridges, and other transport infrastructure as part of the load data acquisition systems. These systems measure the dynamic forces and loads experienced by vehicles. By attaching load cells to strategic points on the vehicle, such as suspension components or the chassis, engineers can capture data related to acceleration, braking, cornering forces, and road-induced vibrations. This information aids in vehicle development, durability testing, and optimization of suspension and chassis designs. They also help design durable civil engineering projects and infrastructure.
  • Intelligent Weighing Systems: Load cells can be incorporated into weighing systems at weigh stations or toll booths. By measuring the weight of vehicles passing through, these systems can accurately determine toll fees, enforce weight restrictions, and gather data for traffic management and planning purposes.
  • Smart Suspension Systems: Load cells are integrated into suspension systems of vehicles, such as trucks and buses, to monitor load distribution and adjust suspension settings accordingly. This helps optimize vehicle performance, enhance stability, and improve ride comfort.
  • Load Sensing Axles: Load cells can be installed in axles to measure the weight of individuals or sets of wheels. This information is crucial for load balancing, tire pressure monitoring, and detecting potential axle overload situations.

Since the beginning of “Smart Mobility,” Interface has supplied force-sensing solutions for electric or self-driving vehicles. Specifically in automotive, Interface has developed and supplied precision force and torque test and measurement systems that meet all components’ demands for superior testing requirements. The automotive market is subjected to extremely strict regulations. Therefore, testing and measurement are critical for safety, reliability, durability, and overall smart vehicle performance.

In the context of smart rail transport and railways, force measurement is crucial in testing and evaluating rail vehicles, including locomotives, passenger trains, and freight wagons. Load cells and force sensors are utilized in numerous ways. Load cells are used in braking systems to measure the forces exerted during braking maneuvers. This allows design engineers to assess the effectiveness of automated braking systems and ensure compliance with safety standards. The same types of sensors can be used to measure the vertical, lateral, and longitudinal forces acting on the bogies (wheelsets) of rail vehicles enabling smart operating conditional adjustments.

Smart Transportation Sensors for Stopping Train Derailment

Force measurement systems can measure the contact forces between the wheels and the track. This enables the assessment of wheel-rail interaction, including wheel-rail forces, lateral forces, and rolling resistance. Such data helps optimize track design, wheel profile selection, and maintenance practices to ensure safe and efficient railway operations. Our Pillow Block Load Bearing Load Cell is a great solution for monitoring trains on a track in motion. When our PBLC1 is installed on a track, and the train runs across it, the sensor can provide a signal to a station elsewhere in the world. If any force indicators suggest that there could be a problem with the weight the train is holding or the train itself, the sensor can also trigger an automatic shutdown of the train. These sensors could prevent major damage from train derailments and other train-related incidents by detecting errors before they inflict damage. This is a critically important application as innovators begin to release high-speed trains for cross-country travel.

Smart Trucking Weighing Solution

In this use case, a smart transportation trucking company truck company needs to record the weight or loads being carried precisely. They would like a wireless weighbridge to transmit, log, and display the results in real-time. Interface suggests installing multiple WTS 1200 LowProfile™ Load Cells under a weighing bridge. When a truck drives over it, the load cells will transmit the force results wirelessly to the WTS-BS-4 Industrial Base Station connected to the customer’s PC with the provided Log100 software. The WTS-LD2 Wireless Large LED Display can also display the weight inside of the driver monitor at all times.

Smart Vehicle Crash Walls

Improving vehicle safety is smart. Interface suggests using multiple 3A400 3-Axis Force Load Cells for this use case and attaching them to the back of a cement crash wall. When connected to the BX8-HD44 Interface BlueDAQ Series Data Acquisition System, force result measurements will be recorded and displayed on a computer. The sensors measure the force of impact for all their different vehicle crash testing demonstrations, providing high-accuracy data to make the vehicles safer.

Electric Vehicle Structural Battery Testing

As electric vehicles push advancements in efficiency gains, structural battery packaging is at the forefront for optimization in smart transportation. This drives the need to validate structural battery pack design in terms of life expectancy against design targets and crash test compliance and survivability.  Interface’s solution to this challenge included the 1100 Ultra-Precision LowProfile Load Cells in line with hydraulic or electromechanical actuators in the customer’s test stand. Also utilized were 6A 6-Axis Load Cells to capture reactive forces transmitting through pack structure. Multi-axis measurement brought greater system-level insight and improved product success. The structural tests validated the battery pack’s strong structural design using this solution.

Interface solutions for smart transportation are growing alongside the pace of innovation as we work with industry demands to provide solutions for what comes next.

Read more in our case study Interface’s Crucial Role in Vehicle and Urban Mobility Markets

ADDITIONAL RESOURCES

Making Products Smarter with Interface OEM Solutions

Testing Labs Choose Interface High Accuracy Products

Modernizing Infrastructure with Interface Sensor Technologies

Interface’s Steering Role in All Types of Transportation

Interface Weighing Solutions and Complete Systems

EV Battery Testing Solutions Utilize Interface Mini Load Cells

Bridge Seismic Force Monitoring Solution App Note

IoT Drone Parcel Delivery

Testing for Commercial Drones and Parcel Delivery

 

Force Measurement Solutions Demonstrations at Automotive Testing Expo

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Interface experts are returning to Novi, Michigan, to demonstrate new and popular force measurement solutions at the Automotive Testing Expo.  The focus of this year includes our multi-axis sensors, axial torsion and torque transducers, miniature load cells, wireless and testing rig solutions, instrumentation, along with our precision load cell technologies for all types of automotive testing and equipment used in the industry.

New SuperSC for Automotive Industry

One of the demonstrations will be Interface’s new SuperSC S-Type Miniature Load Cell. This new product is an economical general purpose load cell with a compact design that measures tension and compression in one unit. It offers high performance capacities in a form factor 80% smaller and 50% lighter than other models of s-type shear beam load cells.

The SuperSC is an ideal product in end of line validation testing for automotive, individual automotive component testing, and fatigue or life cycle testing. It is versatile for machines, component tests, integration into a manufacturing or assembly line for real-time force monitoring.

Many automotive testing labs rely on an actuator for fatigue or lifetime expectancy testing. Without force measurement, testers can only tell when the product reaches failure. The SuperSC can provide early warnings on component performance and life degradation.

SuperSC comes in 12 capacities ranging from 25 to 1K lbf and 100 N to 5 kN. Six designs for international standards of measurement (metric) and six for imperial standards. They are environmentally sealed with an IP66 rating and offer high stiffness with low detection and is insensitive to off-axis loading.

AxialTQ Demonstration

Another product that will be a focus is the revolutionary AxialTQ™ Wireless Rotary Torque Transducer. Designed for the automotive industry, this transducer is common for advanced torque tests and in the electric vehicle markets. Interface presented a new white paper that provides comparative research related to the AxialTQ product, demonstrating its performance related to other offerings. Read AxialTQ Technical White Paper Details Comparative Testing.

To learn more about AxialTQ, watch this video demonstration.

Automotive Testing Applications

Interface will also be showcasing brake pedal load cells, our robot using multi-axis sensors, digital and portable instrumentation and custom solutions designed specifically for auto test engineers. One of these solutions that we will be sharing is our Electric Vehicle Structural Battery Testing application.

EV Battery Structural Testing

Structural EV battery testing is core to optimization as innovation drives electric vehicle battery design and sustainability. Automotive manufacturers and component testing engineers need to validate structural battery pack design for life expectancy against design targets, as well as crash test compliance and survivability. Working with the EV battery maker, Interface’s recommendation is our 1100 Ultra-Precision LowProfile Load Cells for use in-line with hydraulic or electromechanical actuators within the test stand. Interface’s 6A Series 6-Axis Load Cells are also used to capture reactive forces transmitting through pack structure. Multi-axis measurement brings greater system level insight and improved product success.

Bluetooth® Brake Pedal Animated Application Note

Additional Automotive Solutions and Resources

EV Battery Testing Solutions Utilize Interface Mini Load Cells

Electric Vehicle Battery Monitoring App Note

Torque Measurement for Electric Vehicles

Automotive Head Rest Testing App Note

Fine-Tuning Testing Solutions for Championship Racing Vehicles

Automotive Window Pinch Force Testing

Automotive Head Rest Testing Animated Application Note

Automotive + Vehicle Brochure

 

Electric Vehicle Battery Load Testing Feature and Application

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The demand for quality load cell sensors and testing technology solutions in the electric vehicle market is high. This extends into the innovations and testing related to electric vehicle batteries. Design engineers and automotive manufacturers are looking for ways to extend the life of the EV battery, while also seeking ways to maximize overall vehicle performance.

Interface application engineers have been working to provide standard and custom solutions to EV battery manufacturers and testing labs for R&D, prototyping, and performance monitoring. It has sparked recent publications to reach out to Interface to discuss the types of force measurement devices that are being used, along with supportive instrumentation for various tests related to the electric vehicle market.

We’ve captured one of these use cases in the new application note, Electric Vehicle Structural Battery Testing.

The initial requirements for this application were to validate structural battery pack design, both in terms of life expectancy against design targets as well as crash test compliance and survivability.  Interface recommended utilizing 1100 Ultra-Precision LowProfile Load Cells in-line with hydraulic or electromechanical actuators within a structural test stand. The 6-Axis Load Cells were used to capture reactive forces transmitting through pack structure. These multi-axis sensors provide more measurement data and brings greater system level insight and improved product success. Using this configuration, the tests performed using Interface’s force measurement products validated the battery packs strong structural design. Read more here.

Recently we shared our experience in working with companies to provide load cells for testing batteries.  The details of this interview with DesignNews are highlighted in a brief excerpt below. Read the entire article here.

BATTERY LOAD TESTING PRESENTS NEW OPPORTUNITIES FOR INTERFACE

By Dan Carney at DesignNews

The Arizona force management specialist is finding new opportunities for its load cells testing batteries.  In addition to measuring the strength of the battery case, it is also important for automakers to measure the pressure of the cells inside the case. In both situations, force management solutions from Interface, Inc. (Scottsdale, Arizona) are beneficial.

“FEA and computerized modeling get the customer most of the way there,” observed Interface vice president of global sales Brian Peters in a phone interview with Design News. “Automotive OEMs are spending more time on various structural development testing,” he said. “They are push-pull, multi-axis similar to what we see with aerospace fuselage testing.”

This is important because, in addition to the torsional loads normally applied to the battery box in the course of normal driving, there is also the need to model for worst-case crash scenarios.

“You have basic (noise, vibration, and harshness) torsional rigidity requirements, but then you have the crash requirements,” Peters noted. “How do you model, test, and have successful test results? When you run the full system into the barrier, sometimes the outcome is hard to model.”

ADDITIONAL RESOURCES

Feature Article Highlights Interface Solutions for EV Battery Testing

EV Battery Testing Solutions Utilize Interface Mini Load Cells

Electric Vehicle Battery Monitoring

Interface Helps to Power the Electric Vehicle Market Forward

Test and Measurement for Electric Vehicles

Torque Measurement for Electric Vehicles App Note

The Future of Automotive is Electric

Feature Article Highlights Interface Solutions for EV Battery Testing

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In the recent article, Force sensors find opportunity in electric vehicles, battery assembly by Dan O’Shea of Fierce Electronics, the feature details increasing use of force measurement technologies in the EV industry.

In this must-read piece, Brian Peters was interviewed to share Interface’s role and growing support for the testing of electric vehicle components including electric vehicle battery testing.

In the article, the author highlights the different use cases for sensor technologies in the EV market. Interface shared our experience in supplying vehicle force measurement solutions for EV batteries chemical mixing, batch weighing scales, battery assembly machines, tension monitoring, material tests, structural tests and more.

Dan writes, “In the automotive sector, one of the most important areas where force sensor technology can play a role is in the manufacturing of electric vehicle batteries, as well as testing and monitoring batteries for quality assurance.”

He continues, “Brian Peters, vice president of global sales at Interface Force Measurement Solutions, told Fierce Electronics that the need for force sensors in EV battery applications has grown rapidly as more new automakers and battery manufacturers have appeared on the scene and consumer interest in EVs has risen.”

An example of one of these applications is detailed in use case of Electric Vehicle Battery Monitoring.

ELECTRIC VEHICLE BATTERY MONITORING

Interface’s customer was designing a system to monitor lithium-batteries used in electric vehicles. Typically, lithium-batteries are measured through ICV to monitor and analyze life and performance. Interface suggested using our LBM Compression Load Button Load Cell in between two garolite end plates, and measuring the force that is created from cell swelling or expansion. Instead of monitoring through voltage (ICV), this method is based on measured force (ICF). Paired with the 9330 Battery Powered High Speed Data Logging Indicator, force results can be displayed, recorded, and logged with supplied software. 

Additional Resources

Interface Automotive Force Measurement Solutions

Automotive + Vehicle Brochure

Advancing Auto Testing with Interface Measurement Solutions

Torque Measurement for Electric Vehicles App Note

Interface Helps to Power the Electric Vehicle Market Forward

The Future of Automotive is Electric

Test and Measurement for Electric Vehicles

 

 

EV Battery Testing Solutions Utilize Interface Mini Load Cells

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Automotive components undergo rigorous testing to meet regulatory standards, guarantee performance, and ensure consumer safety. These components continually require investment in innovation to meet the expressed governmental, consumer and commercial use requirements.

One of the vehicle components that is undergoing intense change is the battery. The market is heavily focused on increasing mileage use and life, which includes the shift from single-use lithium batteries to lithium-ion batteries which are rechargeable.

These customer sentiments are noticeable in the growing global electric vehicle (EV) and hybrid electric vehicle (HEV) demands for sustainable and longer-lasting battery solutions. Customer satisfaction and commercial applications are closely intertwined with a vehicle’s ability to travel longer distances without refueling or charging. The demands and changes drive robust test and measurement programs to bring new battery models and designs to market.

In 2021, it is estimated the EV battery market exceeded 38% of total battery sales. As technology continues to improve the lifecycle and reducing battery costs, Precedence Research estimates 32% CAGR through 2030. This translated to $46B in the US alone of market share, while Asia Pacific is leading the production of EVs and overall demand for the EV batteries. Based on global adoption of electric vehicles, supported by government initiatives and an intense focus on reduced carbon emissions, the EV battery market is expected to continue expanding around the world.

The testing of batteries is growing in complexity with the increase in number of cells, modern designs, materials, cycles, installation, vehicle models, certifications and charging equipment to name a few. Battery simulation and real battery integration testing are two examples of commonly used T&M programs used to validate battery adaptability and use requirements. In battery testing, accuracy and quality of the measurement devices are vital. The following are the most common battery types today:

  • Lithium-ion Battery
  • Lead-Acid Battery
  • Sodium-ion Battery
  • Nickel-Metal Hydride Battery
  • Others

Due to the market shift to EVs, the lithium-ion battery is the number one battery type today. The domination of the lithium-ion battery exceeded all other battery types in 2021. Manufacturers of EVs prefer partnering with OEMs of newer model Li-ion batteries because they are lighter in weight and have higher energy density. The following details one of many Interface solutions offered to automotive component and battery manufacturers.

Electric Vehicle Battery Monitoring

The EV battery manufacturer required a system to monitor their lithium-ion batteries. Normally, lithium-ion batteries are measured through voltage and current measurements or (ICV) to analyze and monitor the battery life. In consultation with the design and testing engineers, Interface recommended a solution that required installing the LBM Compression Load Button Load Cell in between two garolite end plates, and measuring the force due to cell swelling or expansion. Instead of monitoring through voltage (ICV), this method is based on measured force (ICF). To monitor the testing, the load cell was paired with the 9330 Battery Powered High Speed Data Logging Indicator. This instrumentation solution provides the ability to display, record and log the force measurement results with supplied software.  To review the results and complete application note, go here.

Interface has long partnered with auto manufacturers and suppliers of various parts and components to provide a large range of automotive industry test and measurement solutions.  This includes sensors and instrumentation solutions for the development, testing and performance monitoring of all types of batteries, with growing interest for lithium-ion battery testing.

Interface will be discussing this and other force measurement solutions at the upcoming Auto Test Expo in Europe. Join us in Stuttgart or contact our application engineers to collaborate on a testing solution that works for your next project.

Additional Automotive Industry Resources

Interface Automotive Force Measurement Solutions

Driving Force in Automotive Applications

Test and Measurement for Electric Vehicles

The Future of Automotive is Electric

AxialTQ Technical White Paper Details Comparative Testing

WTS Brake Pedal Force Testing

Automotive + Vehicle Brochure

Automotive Window Pinch Force Testing App Note

Automotive Head Rest Testing App Note

Advancing Auto Testing with Interface Measurement Solutions

Fueling Global Demand for Interface Solutions

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Increasing demand for quality, accurate and reliable sensor technologies is global.  Interface products are used on every continent and across all types of industries. As manufacturers and product innovators make advances in what they build and test, there is a direct correlation to the growth in precision test and measurement tool requirements we supply.

The overall sensor market in 2022 is expected to continue its fast past growth, estimated between 8-12% across all types of sensors. In force measurement, this pace is consistent with the experience in the global markets we serve in Africa, Asia, Australia and Oceania, Europe, Middle East, South and North America.

Represented by hundreds of sensors experts around the world, Interface distributors continue to experience growth in market share and Interface product users.  In fact, Interface’s fastest growing markets are represented in our global network.  Solutions that utilize our precision load cells, torque transducers, multi-axis load cells and instrumentation are all experiencing high growth worldwide.

What is impacting the greatest international growth for all types of sensors technologies?  According to market analysis and based on Interface’s experience, it’s being fed by:

  1. Miniaturization of Products and Sensors Used in Testing and OEMs
  2. Industrial Automation and Robotics
  3. Innovation in Aerospace and Automotive
  4. IoT – Internet of Things

Our direct experience in demand for Interface solutions outside of the US is related to these areas and specifically new products and expanding use cases. First, we recently launched our Global G Series products to meet this demand. This specialty product is sold exclusively outside the US. These products are designed and manufactured in the International System of Units (SI), with the same precision and accuracy of all Interface products.

The Global G Series is a global standard product line that is designed for applications that require miniature load cells and for OEM solutions used for automation of machines and components.  The markets that are experiencing the highest growth internationally include:

For example, innovative markets like electric vehicles and hydro-electric energy are growing rapidly domestically and in international markets. These industries rely on force testing to optimize these new technologies.

The Asia-Pacific market is currently our fastest growing market. Interface provides products for this market across all industries including automotive, aerospace, test and measurement and more. As mentioned above, the alternative energy, aerospace and electric vehicle market is a big area for Interface and the Asia-Pacific plays a big role in these areas.

Electric vehicle design and manufacturing requires a precise level of accuracy to improve energy efficiency, minimize weight and maximize vehicle range. For instance, battery technology is a major global focus; therefore, maximizing power output using force testing is the key to improving vehicle design. To achieve this, test and measurement solutions need to be as accurate as possible. Interface also provides high accuracy torque transducers, load cells, load washers and more for two areas of electric vehicle testing: laboratory testing to optimize system performance and production testing to ensure product quality.

Another application for force measurement in Europe is force testing on off-shore hydro-electric power plants. This is a great fit for Interface because we have developed an entire lineup of load cells and other products that are submersible. For this project specifically, we provided submersible WMC load cells. This is one example of an innovative application for renewable energies, and this is another market that is growing rapidly both domestically and internationally.

One of the consistent top selling products in both regions and industries are wireless load cells. In our 2022 Test and Measurement Industry Trends blog, detailed some of this growing demand for wireless force measurement solutions. Wireless systems are helping manufacturers simplify the integration process and create a cleaner safer test environment with far less wiring. It is especially helpful in industries like aerospace or automotive, where large factories want to transmit data across the facility without needing a mess of wires getting in the way.

For wireless needs, Interface supplies its Wireless Telemetry System (WTS) which offers sensor transmitters, receivers, and displays. High accuracy, high quality measurement is interfaced with simple yet powerful configuration and monitoring software and gives sensor manufacturers and integrators the complete flexibility to build their own sensor modules around it. The system easily replaces wired systems, reducing installation and maintenance costs.

One area that Interface is also investing in internally is recalibration services to serve all customers across the world. Many of our customers are becoming more aware of and utilizing these services, as we are continuing to grow this capability amongst international customers who are utilizing Interface products for the first time.

Interface’s presence in the international market is growing quickly. Interface is looking forward to seeing where and how we can supply the best in force measurement solutions to enable innovation around the world.

Source: Tyler Pettit, Application Engineer International Markets

Interface Helps to Power the Electric Vehicle Market Forward

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Any time innovation is introduced into the market, it takes many years to iterate and realize the full potential of the technology. In today’s automotive marketplace, electric vehicles (EV) are reaching a point where the technology and capabilities are fully realized and is primed for an outbreak on mass scale. In fact, a recent IEA report found that more than 10 million cars on the road in 2020 were electric, estimated to be 2% of the market.

There are currently 370 models of electric vehicles sold today, with the number growing. To facilitate the further growth of the EV market, Interface continues to play a pivotal role in supplying force and torque test and measurement systems that meet the demands for superior testing requirements of all components used to make these vehicles. The automotive market, and especially EVs, are subjected to extremely strict regulations. Therefore, test and measurement are critical for every part for safety, reliability, durability, and overall vehicle performance.

Interface saw the rise in the electric vehicle market long before is the exponential adoption and growth and started early in investing in the development of force measurement technologies designed specifically to support testing of EVs. Our products we’re already well-known within the automotive industry because of our ability to deliver superior quality and high accuracy solutions that auto manufacturers and testing labs rely upon.

One of the most important developments in our lineup of EV compatible testing equipment was the introduction of AxialTQ™ torque transducer system in 2018. The AxialTQ system was engineered in direct collaboration with end-users who shared operational priorities, user interface, design, features, real-world field issues and more. The AxialTQ torque measurement system redefines the torque transducer category in terms a crash-proof design for maximum reliability, versatile model for application flexibility, simultaneous analog and digital outputs, real-time control and data collection and interchangeable stators and output modules that minimize parts inventory. You can see it in action in this video, AxialTQ Engine Dynamometer Application Note.

The rotor sensing element and electronics are the heart of the system which will be offered in 8 torque capacities in 5 DIN sizes. With the flexible capability of stator and output module mounting, the AxialTQ system offers vast configurations capabilities to meet any application need, especially for testing of EV motors. Watch the latest webinar, The Latest Spin on AxialTQ, to learn more about this dynamic auto testing transducer.

Torque Measurement for Electric Vehicles

When an electric vehicle manufacturer needed a torque measurement system for their electric vehicle, they contacted us to inquire about a solution designed for the unique needs of EV motors. These motors run at significantly higher rotational speeds than their internal combustion engine (ICE) counterparts and have much higher power densities due to the small size and light weight. The preferred system would be used to test the torque and speed of their electric motors to achieve and ensure optimum instant peak torque performance.

Interface provided its AxialTQ Wireless Rotary Torque Transducer to provide the highest quality torque measurement. This product was delivered with the AxialTQ Output Module and the provided AxialTQ Assistant Software, that is installed on a test bench. This allows data results to be calculated and collected in real-time. Using AxialTQ, the customer ran tests to sense the electric vehicle’s motor with high accuracy. It both measured and calculated the electric vehicles torque and rotational speed (RPM), while collecting data. Results are then be reviewed on the customer’s PC or laptop with the included AxialTQ Assistant Software. Using this solution, the customer was able to achieve their required instant peak torque.

This is just one of the many test and measurement solutions Interface provides to automotive manufacturers and makers of electric vehicles components.  Interface will be showcasing additional products used for auto testing at the next Automotive Test Expo.  You can see a highlight of some of these products in this highlight video of popular Interface automotive testing products.

ADDITIONAL RESOURCES

Advancing Auto Testing with Interface Measurement Solutions

Driving Force in Automotive Applications

Auto Industry Applications

Automotive and Vehicle

Torque Measurement for Electric Vehicles

Test and Measurement for Electric Vehicles

Force Measurement Solutions for Mobility Markets

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One of the tenets in addressing urban mobility is innovation.  As populations grow around the world, addressing how people get from here to there is part of a challenge and opportunity.  Investments are growing in this sector, as experts and designers look to how to increase efficiency and performance in vehicle markets.

Interface has long been a supplier of test and measurement solutions to industries that play a critical role in mobility, from vehicle manufacturers to infrastructure planners and builders. In our latest case study, we look at some of the innovative ways our solutions are being used to advance technologies and capabilities in transportation.

If something moves, it likely needs force and torque testing for reliability, safety and performance. With the evolving trends in urban mobility, Interface is working with makers and builders of all types of transportation solutions for unmanned vehicles like drones and autonomous vehicles, as well as alternatively fueled and electric vehicles.

READ OUR NEW CASE STUDY: INTERFACE’S CRUCIAL ROLE IN VEHICLE AND URBAN MOBILITY MARKETS

Interface customers utilize our standard and custom products in the vehicle and mobility markets to:

  1. Test the force and torque of components for validation or for design improvements
  2. Integration of sensor technology into a component or product for functional real-time performance data

These products include Interface load cells, mini load cells and subminiature load button load cells, rotary and reaction torque transducers, instrumentation, and accessories. For the growing trends for digital requirements in testing and OEM solutions, our wireless and Bluetooth solutions are commonly used in these markets.  Interface is also frequently engaged on specific customer requests for engineer-to-order products and customized solutions.

Here are four use case scenarios of Interface solutions used in the vehicle and mobility markets:

Brake Pedal Testing

Interface’s Brake Pedal Load Cell BPL-300-C was installed on a brake pedal and then connected to a BTS-AM-1 Bluetooth Low Energy Strain Bridge Transmitter Module, which collects and transmits data to our BTS Toolkit Mobile App. This solution allowed the customer to record and review data from a mobile device while out on a test track. READ MORE HERE.

Drone Delivery Systems

Interface supplied four WMC Sealed Stainless Miniature Load Cells to measure the payload weight and  for the detection of in-motion shifting and uneven distribution of the package weight. As the load cells detect this data, it provides a signal to the propeller to increase RPMs on the propellers and adjust balance and weight distribution inflight. WATCH HERE.

Electric Vehicle (EV) Battery Testing

Compression testing performed on EV batteries is critical for performance and safety. As an EV battery is charged and stores more electrons, it swells. If the packaging housing the batteries does not compensate for this swelling in the design, failure is likely. 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. Read more about the future of EV markets and testing here.

Engine Performance Testing

Force and torque sensors are used with a dynamometer, which isolates the engine’s power output to help quantify its overall performance.  In this application, a  precision SSMF Fatigue Rated S-Type Load Cell is attached to a torque arm to “feels” the torque from an engine loading system. The fatigue rating on the load cell allows it to accurately measure performance for extended cycles. A signal conditioner is used to connect out from the load cell to a computer to ensure clear transmission of data to accurately measure torque being produced by the engine. Engineers analyze power transfer through the data output to tune the engine performance. Check out this engine dynamometer application note here.

Contact our experts to learn more about these types of testing applications, use cases and products used in urban mobility projects.