Simulation and control of serviceable stratospheric balloons traversing a region via transport phenomena and PID
2016
Abstract Balloon systems can be used as alternatives to communication satellites for a number of applications. Launching, flight and safe landing of zero pressure high altitude stratospheric balloons were simulated in 3-D using transport phenomena, process control techniques and a flight gas Compress–Release-system. A model developed was numerically solved and the results were validated using NASA test flight data. The effect of PID control on Compress–Release mechanism is discussed in detail. It was found that with this model it is possible to place the balloons at target altitudes, extend flight time, ensure their horizontal flights over desired coordinates and interfere with the balloon system whenever needed for technical service without using ballast under varying environmental conditions. The simulation was applied to a set of balloons following several routes in Turkey using actual wind data. The results would be helpful for the design, operation and control of safe, reliable and serviceable high altitude stratospheric balloons.
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