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"IEEE Sensors Alert" is a pilot project of the IEEE Sensors Council. Started as one of its new initiatives, this weekly digest publishes teasers and condensed versions of our journal papers in layperson's language.
The tactile force sensor is the key enabling device for machines to interact with humans and objects. Due to the growing demand for smart-machine, metaverse, gaming, etc., miniaturized tactile force sensing chips have attracted attention and have also been developed through different detection and process technologies. The paper summarizes various tactile force sensors designed and fabricated based on the semiconductor CMOS processes.
Visual-inertial odometry (VIO) is increasingly used for autonomous navigation in unmanned aerial vehicles (UAVs). This study introduces a low-latency VIO system that integrates an on-camera optical flow accelerator with an existing state-of-the-art VIO pipeline. Offloading motion tracking to the sensor itself significantly reduces computational load (53.7%), energy consumption (14.24%), and latency (49.4%). This approach maintains, and in some cases even improves, tracking accuracy, making it ideal for resource-constrained UAVs.
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