Software-In-The-Loop Simulation for Low-Speed, High-Altitude Platform

NAL has developed a sub-scale version of HAP for low-altitude flight. Operating subscale HAP is more susceptible to atmospheric disturbances and wind variations at low speedaltitude. Therefore, prior to the flight test using COTS, it is essential to assess the aircraft’s performance with different control modes in a simulation environment. This paper provides detail on developing a SILS setup comprising a flight dynamic model integrated with the ArduPilot, GCS interface and panoramic visualization software.