验证了可在金星云层飞行的气球机器人原型性能。
Flight Demonstration and Model Validation of a Prototype Variable-Altitude Venus Aerobot
- 用耐高温材料制造可调高度的气球机器人
- 在模拟金星云层密度下成功完成两次飞行
- 建立并验证了动力学模型，用于未来任务预测
本文详细描述了向成熟金星云层浮空飞行机器人（ aerobot）迈出了重要一步。我们展示了由耐金星环境材料制成的缩比高度可控气球机器人在内华达黑岩沙漠的两次飞行，其飞行环境大气密度与金星54至55公里云层高度一致。文中进一步提出了首个基于物理原理的气球机器人动力学模型，并利用内华达飞行数据进行了验证，随后用于预测未来金星气球机器人的性能。该气球机器人由喷气推进实验室（JPL）与Aerostar联合开发，旨在执行原位探测任务，在金星上完成多次环绕飞行，采样大气化学与物理特性，并遥感地表属性。
原文摘要 · Abstract (English)
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 and Aerostar 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.
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