Simulation of automatic rotorcraft nap-of-the-earth flight in graphics workstation environmentThis paper describes a three-dimensional (3D) helicopter flight simulation system. The simulation is designed to be a readily available tool for concept verification and tuning of automatic obstacle-avoidance guidance algorithms. The system has been implemented on networked workstations capable of interactive 3D graphics simulation. The simulation uses realistic terrain and obstacle models. The dynamics of the rotorcraft and the functional capabilities of the range sensors are simulated to provide all the components required to evaluate the guidance function. Standard graphics hardware available on the workstation is utilized to accelerate the range-data calculations for sensor simulation at the guidance rate. An example is given to demonstrate the performance of the obstacle-avoidance capability.
Document ID
19920069804
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Lam, T. (Sterling Software, Inc. Palo Alto, CA, United States)
Cheng, Victor H. L. (NASA Ames Research Center Moffett Field, CA, United States)