phloSAR: Portable High-Flow Pressure Supply and Regulator for Large Pneumatic Soft Robots
Core Concepts
Untethered operation of large pneumatic soft robots enabled by a portable high-flow pressure supply and regulator.
Abstract
phloSAR is introduced as a solution to the portability issue faced by pneumatic soft robots due to tethering to heavy air compressors. The system leverages high-flow proportional valves, an integrated pressure reservoir, and Venturi vacuum generation for dynamic performance. Models are presented to describe system dynamics, experimentally validated, and discussed in terms of design parameters' influence on system operation. The phloSAR prototype is integrated with a soft robot arm mounted on an aerial vehicle to demonstrate its applicability in mobile robotics. The system enables untethered pneumatic supply and regulation for a wider range of soft robots.
phloSAR
Stats
PhloSAR mass: 0.84 kg.
Total mass (phloSAR + soft robot): 1.4 kg.
Reservoir pressure: 690 kPa.
Maximum flow rates: EVP - 23.5 SLPM; DVP - 67.0 SLPM.
Commanded pressure amplitude: TC4 - 21 kPa; TC5 - 34 kPa.
Quotes
"PhloSAR leverages high-flow proportional valves, an integrated pressure reservoir, and Venturi vacuum generation."
"Our system enables new opportunities in mobile soft robotics by making untethered pneumatic supply and regulation available."
"The phloSAR prototype is integrated with an aerial vehicle to demonstrate its applicability in mobile robotics."