Test & measurement
PARTNERSHIP ADVANCES AEROSPACE TESTING TECHNOLOGY
T
he Kistler Group and TEST-FUCHS Aerospace Systems have announced they are partnering to develop measurement systems for the aerospace industry. This cooperation combines Kistler’s dynamic measurement technology with TEST-FUCHS’ system integration and certification expertise for safety-critical aviation applications. All process steps, from development to series production, will take place in Europe under the “Airborne Sensors Made in Europe” slogan.
powertrain characteristics as well as axle and rotational inertia are recorded.
Within these measurements, the determination of the operating loads of a vehicle acting on a wheel torque transducer such as the RoaDyn P1ST/MT/HT while driving is of great importance. Finally, the CO₂ emissions are calculated from the measured values using the EU’s standardised “VECTO” (Vehicle Energy Consumption Calculation Tool) calculation model. Manufacturers have a strong interest in component testing, as the precise measurements often yield values that exceed the standard values that would otherwise be used. The RoaDyn P1ST/MT/HT wheel torque transducers are the manufacturers’ preferred choice for these mandatory tests. In contrast to other technological approaches, they do not require complex brackets on the outside of the vehicle body, which also increase the flow resistance of the vehicles and can lead to a falsification of the measurement results.
MEASURING TRACTION TORQUE VIA TELEMETRIC SIGNAL TRANSMISSION Like all torque wheels of the flexible P1 series, the RoaDyn P1ST/MT/HT wheel torque transducers are quick and easy to install and can be replaced if necessary. The respective torque wheel replaces the center section of the rim, which is the
Instrumentation Monthly August 2026
most effective position for recording torques and at the same time offers optimum integration in the vehicle’s chassis system. The traction torque My is measured using piezoelectric quartz sensors. The electronics integrated in the wheel torque transducer amplify and process the signals. In addition, these torque wheels each have four channels for temperature measuring elements. The data is transmitted wirelessly using the KiRoad Wireless P1 data transmission system, the receiver of which can be positioned inside the vehicle. For further processing, this system can be connected to the KiDAQ from Kistler or any data acquisition system (DAQ system) from other manufacturers. The new RoaDyn P1 series wheel torque transducers are extremely versatile and indispensable for research and development, certification and testing.
PATENTED TECHNOLOGY Kistler holds a patent for the piezoelectric precision load cell for determining torques on wheels. Among other things, this further development means that this patented load cell delivers even more reliable, high-precision results thanks to the greatest possible protection and technical simplification.
Kistler
www.kistler.com
The collaboration focuses on developing pressure, force and acceleration sensors for use under extreme operating conditions. These include high-temperature environments in engine monitoring, cryogenic applications related to hydrogen propulsion and networked sensor components for structural monitoring of modern aircraft systems. The solutions are developed specifically for safety- critical, in-flight applications and must meet the aviation certification requirements. The cooperation addresses increasing demand from OEMs and Tier 1 suppliers for technologically outstanding, resilient European supply chain solutions in the aviation sector. Kistler will contribute its expertise in piezoelectric and piezoresistive sensor development and production. As an integration partner, TEST-FUCHS complements this expertise with experience in qualification and certification processes and series production of safety-critical aviation components, as well as an established customer base of leading aviation OEMs. In addition to joint product development, in future TEST-FUCHS will also act as an integration partner for measurement solutions for OEMs and open up additional fields of application. TEST-FUCHS already covers the level sensor and temperature measurement sectors with its own products. An initial common goal is to position the companies in key programs for the next generation of aircraft and to replace discontinued sensor components in existing programs. The “Airborne Sensors Made in Europe” initiative sends a clear signal from Kistler and TEST-FUCHS for a technologically independent European aviation industry.
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