SCALE: Enhancing Force-based Interaction by Processing Load Data from Load Sensitive Modules
summary
A portable toolkit of small black boxes houses 3D load cell modules wired to a Teensy microcontroller and C++ library, letting arrays beneath surfaces estimate touch position including height without prior geometry by sampling multiple force vectors and solving a matrix system. System outputs 6DoF force and torque, tracks objects by weight ID, and runs a simple classifier that reaches 90% motion-classification; current vertical resolution is about 7 cm vertical accuracy at 50 cm and workshops involved ~20 designers.
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chapters (11)
- 0:00Introduction to project
- 1:07Motivation for force-based sensing
- 3:43Scale toolkit design and features
- 6:383D touch detection without shape info
- 9:10Applications in workspace and post office
- 10:13Object detection and weight-based ID
- 11:41Motion pattern detection with 6DoF
- 12:47Technical evaluation results
- 13:52Workshop findings and challenges
- 15:41Project summary and future work
- 16:03Q&A session
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