I don't own enough $VPG
Continue to go down a $VPG rabbit hole, as they have so much literature on humanoid robotics and sensing, it's fascinating. Precision is the primary requirement for humanoid dexterity. Tesla’s $TSLA move to a 22-degree-of-freedom (DoF) hand for Optimus Gen 3 highlights this need. While actuators provide the movement to achieve DoF, sensors provide the intelligence that makes 22 DoF useful.
Micro-Measurements, a VPG brand, provides the sensing technology that acts as the nervous system for these machines. A 22 DoF hand requires a massive increase in feedback loops, and more than double the sensors of an 11 DoF hand (Optimus Gen 2). Each joint and tendon must communicate its position and force in real-time. Micro-Measurements enables this through miniature tactile force-sensing solutions. Their sensors are thin enough to fit into the restricted geometries of a humanoid fingertip. These sensors have a sub-gram mass. This low inertia is critical for maintaining the natural dynamics of a robotic limb.
The technical specifications of these sensors are impressive. They feature a natural frequency of 98 kHz. This allows the robot to respond to physical stimuli almost instantly. The sensors detect both tension and compression in a single, compact configuration. This dual-mode capability is essential for the tendon-driven architectures found in high-dexterity hands. It allows the robot to handle delicate objects with human-like precision.
VPG specializes in co-engineering and custom solutions. They work with robotics companies to design custom flexure geometries. These geometries ensure high sensitivity and long-term durability. VPG tailors everything from the mechanical interface to the electrical output. This partnership approach allows for the creation of a seamless tactile skin. This skin provides the high-fidelity force feedback needed for complex manipulation.
The scale of humanoid robotics is growing. Tesla is targeting millions of units annually. Scaling at this volume requires sensors that are both precise and manufacturable. VPG’s ability to integrate high-density sensing into moving systems makes them a leader in this space. Their technology turns a mechanical gripper into a sensitive, capable hand. Humanoid robots will soon perform tasks that require extreme fine motor skills. These robots will use VPG's Micro Measurements' technology to feel the world around them. Precision sensing is the foundation of robotic autonomy and I become more increasingly confident by the day that $VPG will provide that foundation.
Some reading material for those interested:
https://docs.micro-measurements.com/?id=17950&submissionGuid=fb60da98-a28c-40fa-b44b-00ad5040faf5
https://humanoidroboticstechnology.com/company/micro-measurements/#overview