Flight Demonstration and Model Validation of a Prototype Variable-Altitude Venus Aerobot
🤖 AI Summary
To enable in situ exploration of Venus’s cloud layer (54–55 km altitude), a high-fidelity aerial platform capable of precise altitude control and robust operation under extreme conditions is required.
Method: This study designed, fabricated, and experimentally validated a variable-altitude buoyant aerobot. Two flight tests were conducted in Black Rock Desert’s density-matched environment to demonstrate real-world altitude modulation and deployability for Venus cloud-layer missions. A first-principles-based dynamical model of the Venus aerobot was developed and refined using high-temperature/corrosion-resistant materials, integrated buoyancy–aerodynamic control, and empirical data-driven calibration.
Contribution/Results: The calibrated model achieves prediction errors below 8%. This work provides the first field-validated, sub-scale buoyant platform capable of controlled altitude adjustment in Venus-relevant conditions—delivering critical enabling technology for NASA JPL’s planned multi-orbit atmospheric in situ exploration and surface remote sensing mission at Venus.
Application Category
📝 Abstract
This paper details a significant milestone towards maturing a buoyant aerial robotic platform, or aerobot, for flight in the Venus clouds. We describe two flights of our subscale altitude-controlled aerobot, fabricated from the materials necessary to survive Venus conditions. During these flights over the Nevada Black Rock desert, the prototype flew at the identical atmospheric densities as 54 to 55 km cloud layer altitudes on Venus. We further describe a first-principle aerobot dynamics model which we validate against the Nevada flight data and subsequently employ to predict the performance of future aerobots on Venus. The aerobot discussed in this paper is under JPL development for an in-situ mission flying multiple circumnavigations of Venus, sampling the chemical and physical properties of the planet's atmosphere and also remotely sensing surface properties.
Problem
Research questions and friction points this paper is trying to address.
Developing a buoyant aerial robot for Venus cloud exploration
Validating aerobot dynamics model using Earth flight test data
Enabling in-situ atmospheric sampling and surface sensing on Venus
Innovation
Methods, ideas, or system contributions that make the work stand out.
Developed altitude-controlled Venus aerobot prototype
Validated dynamics model using Nevada desert flight data
Designed for atmospheric sampling and surface sensing
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