1. HOU Z X, YANG X X, QIAO K, et al. Stratospheric airship technology [M]. Beijing: Science Press, 2019 (in Chinese).
2. ONDA M, MORIKAWA Y. High-altitude lighter-than-air powered platform [R]. Warrendale: SAE Technical Paper, 1991: 687–694.
3. COLOZZA A, DOLCE J. Initial feasibility assessment of a high altitude long endurance airship: NASA CR-212724 [R]. Washington: NASA, 2003.
4. CHU A, BLACKMORE M, OHOLENDT R, et al. A novel concept for stratospheric communications and surveillance: The StarLight [C]//AIAA Balloon Systems Conference. Williamsburg: AIAA, 2007: 2601.
5. ZHENG W, YANG Y N, WU J. Survey of flight control for the stratosphere airship [J]. Flight Dynamics, 2013, 31(3): 193–197 (in Chinese).