Rising powertrain speeds and complexity create new challenges for rotating instrumentation, while test engineers must capture higher‑fidelity temperature, strain and torque data to validate simulations and FEA models. Electric motors, gear trains and accessory drives often operate well beyond traditional test speeds. This presentation examines high‑speed slip ring assemblies for demanding rotating measurements, supporting operation to 20,000rpm and high channel counts with reliable signal transmission. While wireless telemetry is common, certain high‑speed, high‑bandwidth applications benefit from slip rings. Example applications include EV motor and EV/ICE powertrain testing. The presentation will address strain, torque and temperature measurements and EMI/signal‑integrity challenges.

• How increasing rotational speeds in modern EV and ICE powertrains drive new challenges in rotating instrumentation
• Where high‑speed slip ring assemblies remain advantageous compared to wireless telemetry for demanding measurement applications
• How slip rings enable reliable transmission of temperature, strain and torque signals at speeds up to 20,000rpm
• Practical examples of rotating measurements in high‑speed electric motors, geartrain shafts and other powertrain components
• Key instrumentation challenges at rotating electrical interfaces, including EMI and signal‑integrity issues, and techniques used to mitigate them