Self-powered difunctional sensors based on sliding contact-electrification and tribovoltaic effects for pneumatic monitoring and controlling - ScienceDirect
Figure 1 from Soft Fabric-Based Pneumatic Sensor for Bending Angles and Contact Force Detection | Semantic Scholar
Pneumatic Sensor - Se-Kure Controls
Better Alternatives to Pneumatic Cylinder End-of-Stroke Detection - AUTOMATION INSIGHTS