We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

Abstract: A capacitive sensor has been developed for measuring the permittivity of wire insulation materials. The sensor consists of interdigital electrodes deposited on a thin polyimide substrate ...

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Abstract: This study presents an innovative approach to early detection of wire bond lift-off failures in power semiconductor modules (PSMs) using an integrated on-chip temperature sensor. Despite ...